Knowledge

Trophic level

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4292: 305: 897:. note that trophic levels peaked at 3.4 in 1970 in the northwest and west-central Atlantic, followed by a subsequent decline to 2.9 in 1994. They report a shift away from long-lived, piscivorous, high-trophic-level bottom fishes, such as cod and haddock, to short-lived, planktivorous, low-trophic-level invertebrates (e.g., shrimp) and small, pelagic fish (e.g., herring). This shift from high-trophic-level fishes to low-trophic-level invertebrates and fishes is a response to changes in the relative abundance of the preferred catch. They consider that this is part of the global fishery collapse, which finds an echo in the overfished Mediterranean Sea. 4988: 286: 267: 29: 324: 5014: 1229:
pairwise interactions (plant-herbivore plus herbivoreā€“predator, for example). Significant interactions can occur between the first trophic level (plant) and the third trophic level (a predator) in determining herbivore population growth, for example. Simple genetic changes may yield morphological variants in plants that then differ in their resistance to herbivores because of the effects of the plant architecture on enemies of the herbivore. Plants can also
5002: 365: 131: 417: 4620: 389:, so energy pyramids can also be viewed as biomass pyramids, picturing the amount of biomass that results at higher levels from biomass consumed at lower levels. However, when primary producers grow rapidly and are consumed rapidly, the biomass at any one moment may be low; for example, phytoplankton (producer) biomass can be low compared to the zooplankton (consumer) biomass in the same area of ocean. 662: 400:). For this reason, food chains rarely extend for more than 5 or 6 levels. At the lowest trophic level (the bottom of the food chain), plants convert about 1% of the sunlight they receive into chemical energy. It follows from this that the total energy originally present in the incident sunlight that is finally embodied in a tertiary consumer is about 0.001% 352:. Decomposers are often left off food webs, but if included, they mark the end of a food chain. Thus food chains start with primary producers and end with decay and decomposers. Since decomposers recycle nutrients, leaving them so they can be reused by primary producers, they are sometimes regarded as occupying their own trophic level. 1228:
One aspect of trophic levels is called tritrophic interaction. Ecologists often restrict their research to two trophic levels as a way of simplifying the analysis; however, this can be misleading if tritrophic interactions (such as plantā€“herbivoreā€“predator) are not easily understood by simply adding
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are only about 10%, it follows that the rate of biological production is much greater at lower trophic levels than it is at higher levels. Fisheries catch, at least, to begin with, will tend to increase as the trophic level declines. At this point the fisheries will target species lower in the food
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In general, each trophic level relates to the one below it by absorbing some of the energy it consumes, and in this way can be regarded as resting on, or supported by, the next lower trophic level. Food chains can be diagrammed to illustrate the amount of energy that moves from one feeding level to
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The trophic level of a species may vary if it has a choice of diet. Virtually all plants and phytoplankton are purely phototrophic and are at exactly level 1.0. Many worms are at around 2.1; insects 2.2; jellyfish 3.0; birds 3.6. A 2013 study estimates the average trophic level of human beings
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Food webs largely define ecosystems, and the trophic levels define the position of organisms within the webs. But these trophic levels are not always simple integers, because organisms often feed at more than one trophic level. For example, some carnivores also eat plants, and some plants are
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The FiB index is stable (zero) over periods of time when changes in trophic levels are matched by appropriate changes in the catch in the opposite direction. The index increases if catches increase for any reason, e.g. higher fish biomass, or geographic expansion. Such decreases explain the
348:, there is more than one food chain for most organisms, since most organisms eat more than one kind of food or are eaten by more than one type of predator. A diagram that sets out the intricate network of intersecting and overlapping food chains for an ecosystem is called its 893:. However, more recent work finds no relation between economic value and trophic level; and that mean trophic levels in catches, surveys and stock assessments have not in fact declined, suggesting that fishing down the food web is not a global phenomenon. However Pauly 356:
at 2.21, similar to pigs or anchovies. This is only an average, and plainly both modern and ancient human eating habits are complex and vary greatly. For example, a traditional Inuit living on a diet consisting primarily of seals would have a trophic level of nearly 5.
653:. This is because there is a consistent increase in the nitrogen isotopic composition at each trophic level caused by fractionations that occur with the synthesis of biomolecules; the magnitude of this increase in nitrogen isotopic composition is approximately 3ā€“4ā€°. 629:
In the case of marine ecosystems, the trophic level of most fish and other marine consumers takes a value between 2.0 and 5.0. The upper value, 5.0, is unusual, even for large fish, though it occurs in apex predators of marine mammals, such as polar bears and orcas.
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based on material eaten (plant: green shades are live, brown shades are dead; animal: red shades are live, purple shades are dead; or particulate: grey shades) and feeding strategy (gatherer: lighter shade of each color; miner: darker shade of each
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sets the values of trophic levels to one in plants and detritus, two in herbivores and detritivores (primary consumers), three in secondary consumers, and so on. The definition of the trophic level, TL, for any consumer species is:
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is a succession of organisms that eat other organisms and may, in turn, be eaten themselves. The trophic level of an organism is the number of steps it is from the start of the chain. A food web starts at trophic level 1 with
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Price, P. W. Price; Bouton, C. E.; Gross, P.; McPheron, B. A.; Thompson, J. N.; Weis, A. E. (1980). "Interactions Among Three Trophic Levels: Influence of Plants on Interactions Between Insect Herbivores and Natural Enemies".
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Gorlova, E. N.; Krylovich, O. A.; Tiunov, A. V.; Khasanov, B. F.; Vasyukov, D. D.; Savinetsk y, A. B. (March 2015). "Stable-Isotope Analysis as a Method of Taxonomical Identification of Archaeozoological Material".
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carnivores. A large carnivore may eat both smaller carnivores and herbivores; the bobcat eats rabbits, but the mountain lion eats both bobcats and rabbits. Animals can also eat each other; the
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Trophic levels can be represented by numbers, starting at level 1 with plants. Further trophic levels are numbered subsequently according to how far the organism is along the food chain.
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Both the number of trophic levels and the complexity of relationships between them evolve as life diversifies through time, the exception being intermittent mass extinction events.
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illustrates how much energy is needed as it flows upward to support the next trophic level. Only about 10% of the energy transferred between each trophic level is converted to
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web. In 2000, this led Pauly and others to construct a "Fisheries in Balance" index, usually called the FiB index. The FiB index is defined, for any year
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at level 4 or 5. The path along the chain can form either a one-way flow or a part of a wider food "web". Ecological communities with higher
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Branch, T.A.; Watson, Reg; Fulton, Elizabeth A.; Jennings, Simon; McGilliard, Carey R.; Pablico, Grace T.; Ricard, Daniel; Tracey, Sean R. (2010).
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In addition to observational studies of animal behavior, and quantification of animal stomach contents, trophic level can be quantified through
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and crayfish eat young bullfrogs. The feeding habits of a juvenile animal, and, as a consequence, its trophic level, can change as it grows up.
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that cannot manufacture their own food and need to consume other organisms. Animals that eat primary producers (like plants) are called
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Kareiva, Peter; Sahakian, Robert (1990). "Tritrophic effects of a simple architectural mutation in pea plants". Letters to Nature.
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have no predators (with members of their own species a possible exception) and are at the highest numbered level of their food web.
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The mean trophic level of the world fisheries catch has steadily declined because many high trophic level fish, such as this
4481: 3380: 1756:; Heald, E. J. (1975) "The detritus-based food web of an estuarine mangrove community". Pages 265ā€“286 in L. E. Cronin, ed. 1530: 4579: 4441: 3568: 166:. In this way, it is energy from the sun that usually powers the base of the food chain. An exception occurs in deep-sea 1547: 3321: 3144: 2985: 2397: 677:
In fisheries, the mean trophic level for the fisheries catch across an entire area or ecosystem is calculated for year
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Pauly, D.; Christensen, V.; Dalsgaard, J.; Froese, R.; Torres, F.C. Jr. (1998). "Fishing down marine food webs".
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Bonhommeau, S.; Dubroca, L.; le Pape, O.; Barde, J.; Kaplan, D.M.; Chassot, E. & Nieblas, A.E. (2013).
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but they are divided into separate populations that hunt specific prey, such as tuna, small sharks, and seals.
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The efficiency with which energy or biomass is transferred from one trophic level to the next is called the
4953: 4938: 3263: 4948: 3954: 3620: 2511: 1353: 1214:"backward-bending" plots of trophic level versus catch originally observed by Pauly and others in 1998. 5038: 4256: 3685: 3405: 2892: 2609: 2506: 1521: 1961: 4564: 4458: 3866: 3478: 3370: 3228: 3213: 3208: 2887: 2599: 890: 134: 2382: 5017: 4810: 4805: 4101: 3856: 3851: 3821: 3625: 3088: 2970: 1242: 3129: 2760: 2167:
Fishing Down the Mediterranean Food Webs? Executive Summary. (2000). Briand, F. and K.I. Stergiou
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at the higher trophic levels. Earlier reports found precipitous declines in mean trophic level of
4718: 4529: 4423: 4151: 4141: 3700: 3563: 3473: 3341: 3223: 3193: 3050: 3015: 2735: 2702: 2677: 1649:. Evolutionary Foundations of Human Behavior (2nd ed.). Transaction Publishers. p. 12. 385:. The energy transferred between levels can also be thought of as approximating to a transfer in 841: 4544: 4534: 4236: 4221: 3846: 3790: 3725: 3588: 3523: 3458: 3020: 2808: 2516: 2496: 177: 170:, where there is no sunlight. Here primary producers manufacture food through a process called 142:
The three basic ways in which organisms get food are as producers, consumers, and decomposers.
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Lisowski, M.; Miaoulis, I.; Cyr, M.; Jones, L.C.; Padilla, M.J.; Wellnitz, T.R. (2004).
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Fish at higher trophic levels usually have a higher economic value, which can result in
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Humans have a mean trophic level of about 2.21, about the same as a pig or an anchovy.
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the mean trophic level of the catch at the start of the series being analyzed, and
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The fungi on this tree feed on dead matter, converting it back to nutrients that
1984:"Global fishery development patterns are driven by profit but not trophic level" 1770:
Pimm, S. L.; Lawton, J. H. (1978). "On feeding on more than one trophic level".
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Human Ecology: The story of our place in nature from prehistory to the present
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Szpak, Paul; Orchard, Trevor J.; McKechnie, Iain; Grƶcke, Darren R. (2012).
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Behrenfeld, Michael J. (2014). "Climate-mediated dance of the plankton".
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eat rabbits at the second trophic level, so they are secondary consumers.
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is the transfer efficiency of biomass or energy between trophic levels.
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eat foxes at the third trophic level, so they are tertiary consumers.
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eat plants at the first trophic level, so they are primary consumers.
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Carnivores that eat other carnivores are called tertiary consumers.
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Carnivores that eat herbivores are called secondary consumers.
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Plants and algae make their own food and are called producers.
1815:"Standardized diet compositions and trophic levels of sharks" 1707:"Recovery from the most profound mass extinction of all time" 626:
of how much different trophic levels contribute to its food.
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Pauly, D.; Trites, A.; Capuli, E.; Christensen, V. (1998).
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Proceedings of the National Academy of Sciences of the USA
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Proceedings of the National Academy of Sciences of the USA
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Proceedings of the National Academy of Sciences of the USA
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Proceedings of the Royal Society B: Biological Sciences
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Herbivores eat plants and are called primary consumers.
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at level 3 or higher, and typically finish with
2286: 1217: 1935:Archaeology, Ethnology and Anthropology of Eurasia 1496: 1202: 1179: 1149: 1118: 1084: 1052: 866: 822: 787: 606: 569: 534: 1981: 1888:"Historical ecology of late Holocene sea otters ( 531: 5030: 2258:Pauly, D.; Christensen, V.; Walters, C. (2000). 1698: 1430: 2292: 1456: 1454: 1126:is the mean trophic level of the catch at year 1982:Sethi, S.A.; Branch, T.A.; Watson, R. (2010). 1511: 1320: 359: 114:The concept of trophic level was developed by 4252:Stable isotope analysis in aquatic ecosystems 3962: 3145: 2398: 2110: 2108: 2106: 1846: 1844: 1369: 1451: 830:is the annual catch of the species or group 577:is the fractional trophic level of the prey 411: 381:the next in a food chain. This is called an 192:. Animals that eat other animals are called 4317:Freshwater environmental quality parameters 1437:. 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(2004). 1376:Verh. Deutsch. Zool. Ges. 891:fishing down the food web 412:Fractional trophic levels 4811:Coastal biogeomorphology 4806:Marine coastal ecosystem 3857:Ecological stoichiometry 3822:Alternative stable state 1407:Science of Earth Systems 444:The fisheries scientist 67:. Within a food web, a 19:Not to be confused with 4719:Paradox of the plankton 4530:Diel vertical migration 4424:Freshwater swamp forest 4142:GIS and aquatic science 3990:General components and 3701:Ontogenetic niche shift 3564:Ideal free distribution 3474:Ecological facilitation 3224:Malthusian growth model 3194:Consumer-resource model 3051:Paradox of the plankton 3016:Energy systems language 2736:Chemoorganoheterotrophy 2703:Optimal foraging theory 2678:Heterotrophic nutrition 2226:10.1073/pnas.1305827110 2011:10.1073/pnas.1003236107 1596:10.1073/pnas.1305827110 1321:Lindeman, R.L. (1942). 607:{\displaystyle DC_{ij}} 168:hydrothermal ecosystems 4545:Large marine ecosystem 4237:Shoaling and schooling 3847:Ecological forecasting 3791:Marginal value theorem 3589:Landscape epidemiology 3524:Cross-boundary subsidy 3459:Biological interaction 2809:Microbial intelligence 2497:Green world hypothesis 2279:10.1006/jmsc.2000.0726 1872:10.1006/jmsc.1997.0280 1834:10.1006/jmsc.1999.0489 1723:10.1098/rspb.2007.1370 1370:Heinemann, A. (1926). 1204: 1181: 1180:{\displaystyle TL_{0}} 1151: 1120: 1119:{\displaystyle TL_{y}} 1086: 1054: 868: 824: 823:{\displaystyle Y_{iy}} 789: 674: 608: 571: 570:{\displaystyle TL_{j}} 536: 429: 377: 139: 52: 4964:Marine protected area 4891:Salt pannes and pools 4666:Marine larval ecology 4641:Census of Marine Life 4525:Deep scattering layer 4482:San Francisco Estuary 4447:Africa and Madagascar 4272:Underwater camouflage 4052:Aquatic biomonitoring 3992:freshwater ecosystems 3852:Ecological humanities 3751:Ecological energetics 3696:Niche differentiation 3559:Habitat fragmentation 3327:Ecological extinction 3274:Small population size 3026:Feed conversion ratio 3006:Ecological succession 2938:San Francisco Estuary 2852:Ecological efficiency 2794:Microbial cooperation 1672:Nature Climate Change 1463:Environmental Science 1385:"Also available in". 1248:Energy flow (ecology) 1222:Further information: 1205: 1182: 1152: 1150:{\displaystyle Y_{0}} 1121: 1092:is the catch at year 1087: 1085:{\displaystyle Y_{y}} 1055: 910:transfer efficiencies 869: 825: 790: 664: 609: 572: 537: 419: 394:ecological efficiency 367: 133: 31: 4699:Marine bacteriophage 4661:Marine invertebrates 3877:Evolutionary ecology 3842:Ecological footprint 3837:Ecological economics 3761:Ecological threshold 3756:Ecological indicator 3626:Sourceā€“sink dynamics 3579:Land change modeling 3574:Insular biogeography 3426:Species distribution 3165:Modelling ecosystems 2824:Microbial metabolism 2663:Intraguild predation 2452:Biogeochemical cycle 2418:Modelling ecosystems 1692:10.1038/nclimate2349 1253:Marine trophic level 1191: 1161: 1134: 1100: 1069: 926: 842: 804: 690: 585: 551: 458: 311:Fourth trophic level 273:Second trophic level 4575:Ocean fertilization 4384:Trophic state index 4342:Lake stratification 4072:Aquatic respiration 3927:Theoretical ecology 3902:Natural environment 3766:Ecosystem diversity 3736:Ecological collapse 3726:Bateman's principle 3681:Limiting similarity 3594:Landscape limnology 3416:Species homogeneity 3254:Population modeling 3249:Population dynamics 3066:Trophic state index 2309:1990Natur.345..433K 2217:2013PNAS..11020617B 2211:(51): 20617ā€“20620. 2131:1998Sci...279..860P 2099:on 9 February 2014. 2074:10.1038/nature09528 2066:2010Natur.468..431B 2002:2010PNAS..10712163S 1996:(27): 12163ā€“12167. 1910:2012JArSc..39.1553S 1813:CortĆ©s, E. (1999). 1784:1978Natur.275..542P 1684:2014NatCC...4..880B 1587:2013PNAS..11020617B 1581:(51): 20617ā€“20620. 1277:Trophic state index 292:Third trophic level 135:Consumer categories 33:First trophic level 21:Trophic level index 4841:Intertidal wetland 4836:Intertidal ecology 4704:Marine prokaryotes 4646:Deep-sea community 4540:Iron fertilization 4463:Specific examples 4389:Upland and lowland 4307:Freshwater biology 4172:Microbial food web 4082:Aquatic toxicology 4025:Aquatic adaptation 3978:Aquatic ecosystems 3938:Outline of ecology 3887:Industrial ecology 3882:Functional ecology 3746:Ecological deficit 3691:Niche construction 3654:Ecosystem engineer 3431:Speciesā€“area curve 3352:Introduced species 3167:: Other components 3099:Deimatic behaviour 3001:Ecological network 2933:North Pacific Gyre 2918:hydrothermal vents 2857:Ecological pyramid 2804:Microbial food web 2615:Primary production 2560:Foundation species 1758:Estuarine research 1279:ā€“ applied to lakes 1203:{\displaystyle TE} 1200: 1177: 1147: 1116: 1082: 1050: 878:as defined above. 864: 820: 785: 768: 721: 675: 657:Mean trophic level 604: 567: 532: 492: 430: 378: 140: 53: 5039:Fisheries science 5026: 5025: 5007:Oceans portal 4976: 4975: 4972: 4971: 4851:Hydrothermal vent 4787: 4786: 4676:Seashore wildlife 4507:Marine ecosystems 4496: 4495: 4492: 4491: 4262:Thermal pollution 4227:Ramsar Convention 4167:Microbial ecology 4127:Fisheries science 4067:Aquatic predation 3944: 3943: 3827:Balance of nature 3584:Landscape ecology 3469:Community ecology 3411:Species diversity 3347:Indicator species 3342:Gradient analysis 3219:Logistic function 3127: 3126: 3084:Animal coloration 3061:Trophic mutualism 2799:Microbial ecology 2590:Photoheterotrophs 2575:Myco-heterotrophy 2487:Ecosystem ecology 2472:Carrying capacity 2437:Abiotic component 2303:(6274): 433ā€“434. 2125:(5352): 860ā€“863. 2060:(7322): 431ā€“435. 1778:(5680): 542ā€“544. 1656:978-0-202-36660-9 1472:978-0-13-115090-4 1444:978-0-691-04929-8 1417:978-0-7668-3391-3 1387:Zool. Anz. Suppl. 1359:on 29 March 2017. 1048: 863: 847: 783: 759: 712: 483: 337:primary producers 164:primary producers 120:August Thienemann 99:derives from the 80:at level 2, 74:primary producers 45:primary producers 43:in the lake, are 5056: 5016: 5015: 5009: 5005: 5004: 4995: 4993:Lakes portal 4991: 4990: 4989: 4959:Marine pollution 4651:Deep-water coral 4634: 4633: 4622: 4555:Marine chemistry 4515: 4514: 4502: 4501: 4419:Freshwater marsh 4312:Freshwater biome 4294: 4010:Acoustic ecology 4000: 3999: 3986: 3985: 3971: 3964: 3957: 3948: 3947: 3644:Ecological niche 3616:selection theory 3436:Umbrella species 3421:Species richness 3357:Invasive species 3337:Flagship species 3244:Population cycle 3239:Overexploitation 3204:Ecological yield 3154: 3147: 3140: 3131: 3130: 3036:Mesotrophic soil 2976:Climax community 2908:Marine food webs 2847:Biomagnification 2648:Chemoorganotroph 2502:Keystone species 2462:Biotic component 2407: 2400: 2393: 2384: 2383: 2365: 2364: 2335: 2329: 2328: 2317:10.1038/345433a0 2290: 2284: 2283: 2281: 2255: 2249: 2248: 2238: 2228: 2194: 2188: 2187: 2176: 2170: 2165: 2159: 2158: 2112: 2101: 2100: 2098: 2092:. Archived from 2049: 2040: 2034: 2033: 2023: 2013: 1979: 1973: 1972: 1966: 1958: 1952: 1951: 1928: 1922: 1921: 1904:(5): 1553ā€“1571. 1883: 1877: 1876: 1874: 1848: 1839: 1838: 1836: 1810: 1804: 1803: 1792:10.1038/275542a0 1767: 1761: 1751: 1745: 1744: 1734: 1717:(1636): 759ā€“65. 1702: 1696: 1695: 1667: 1661: 1660: 1640: 1634: 1633: 1632:(Press release). 1618: 1608: 1598: 1564: 1558: 1557: 1548:"Table 3.5" 1544: 1538: 1537: 1535: 1518: 1509: 1494: 1493: 1486: 1477: 1476: 1458: 1449: 1448: 1428: 1422: 1421: 1401: 1395: 1394: 1383: 1367: 1361: 1360: 1358: 1352:. Archived from 1327: 1318: 1312: 1311: 1309: 1307: 1293: 1268:Trophic dynamics 1209: 1207: 1206: 1201: 1186: 1184: 1183: 1178: 1176: 1175: 1156: 1154: 1153: 1148: 1146: 1145: 1125: 1123: 1122: 1117: 1115: 1114: 1091: 1089: 1088: 1083: 1081: 1080: 1059: 1057: 1056: 1051: 1049: 1047: 1046: 1045: 1044: 1043: 1017: 1012: 1011: 1001: 1000: 999: 998: 997: 971: 966: 965: 955: 944: 943: 877: 873: 871: 870: 865: 861: 860: 859: 845: 837: 833: 829: 827: 826: 821: 819: 818: 794: 792: 791: 786: 784: 782: 781: 780: 767: 757: 753: 752: 737: 736: 720: 710: 705: 704: 680: 624:weighted average 613: 611: 610: 605: 603: 602: 576: 574: 573: 568: 566: 565: 541: 539: 538: 533: 527: 526: 508: 507: 491: 473: 472: 398:ten-per cent law 326: 307: 288: 269: 150:) are typically 116:Raymond Lindeman 5064: 5063: 5059: 5058: 5057: 5055: 5054: 5053: 5029: 5028: 5027: 5022: 4999: 4998: 4987: 4985: 4984: 4968: 4929:Coral bleaching 4915: 4896:Seagrass meadow 4793:Marine habitats 4783: 4757:Coral reef fish 4723: 4709:Marine protists 4685: 4623: 4614: 4585:Ocean turbidity 4560:Marine food web 4509: 4488: 4430: 4369:River ecosystem 4322:Freshwater fish 4295: 4286: 4092:Bioluminescence 4077:Aquatic science 3994: 3980: 3975: 3945: 3940: 3931: 3917:Systems ecology 3805: 3776:Extinction debt 3741:Ecological debt 3731:Bioluminescence 3712: 3705: 3674:marine habitats 3649:Ecological trap 3630: 3510: 3503: 3446: 3440: 3396:Rapoport's rule 3391:Priority effect 3332:Endemic species 3300: 3259:Population size 3175: 3168: 3158: 3128: 3123: 3076: 3070: 3056:Trophic cascade 2966:Bioaccumulation 2949: 2876: 2833: 2755: 2722: 2619: 2531: 2492:Ecosystem model 2425: 2411: 2373: 2368: 2336: 2332: 2291: 2287: 2256: 2252: 2195: 2191: 2178: 2177: 2173: 2166: 2162: 2113: 2104: 2096: 2047: 2041: 2037: 1980: 1976: 1964: 1960: 1959: 1955: 1929: 1925: 1884: 1880: 1849: 1842: 1811: 1807: 1768: 1764: 1752: 1748: 1703: 1699: 1678:(10): 880ā€“887. 1668: 1664: 1657: 1641: 1637: 1565: 1561: 1546: 1545: 1541: 1536:on 14 May 2013. 1533: 1516: 1510: 1497: 1488: 1487: 1480: 1473: 1459: 1452: 1445: 1429: 1425: 1418: 1402: 1398: 1384: 1368: 1364: 1356: 1342:10.2307/1930126 1325: 1319: 1315: 1305: 1303: 1295: 1294: 1290: 1286: 1263:Trophic cascade 1239: 1226: 1220: 1192: 1189: 1188: 1171: 1167: 1162: 1159: 1158: 1141: 1137: 1135: 1132: 1131: 1110: 1106: 1101: 1098: 1097: 1076: 1072: 1070: 1067: 1066: 1039: 1035: 1031: 1027: 1013: 1007: 1003: 1002: 993: 989: 985: 981: 967: 961: 957: 956: 954: 939: 935: 927: 924: 923: 906: 875: 855: 851: 843: 840: 839: 835: 831: 811: 807: 805: 802: 801: 773: 769: 763: 758: 745: 741: 732: 728: 716: 711: 709: 700: 696: 691: 688: 687: 678: 659: 618:in the diet of 595: 591: 586: 583: 582: 561: 557: 552: 549: 548: 519: 515: 503: 499: 487: 468: 464: 459: 456: 455: 420:Killer whales ( 414: 406: 362: 340: 334: 327: 318: 313: 308: 299: 294: 289: 280: 275: 270: 128: 112: 24: 17: 12: 11: 5: 5062: 5052: 5051: 5046: 5041: 5024: 5023: 5021: 5020: 5010: 4996: 4981: 4978: 4977: 4974: 4973: 4970: 4969: 4967: 4966: 4961: 4956: 4951: 4946: 4941: 4936: 4931: 4925: 4923: 4917: 4916: 4914: 4913: 4908: 4903: 4898: 4893: 4888: 4883: 4878: 4873: 4868: 4863: 4858: 4853: 4848: 4843: 4838: 4833: 4828: 4823: 4818: 4813: 4808: 4803: 4797: 4795: 4789: 4788: 4785: 4784: 4782: 4781: 4776: 4775: 4774: 4769: 4764: 4759: 4754: 4747:Saltwater fish 4744: 4742:Marine reptile 4739: 4733: 4731: 4725: 4724: 4722: 4721: 4716: 4714:Marine viruses 4711: 4706: 4701: 4695: 4693: 4691:Microorganisms 4687: 4686: 4684: 4683: 4681:Wild fisheries 4678: 4673: 4668: 4663: 4658: 4653: 4648: 4643: 4637: 4631: 4625: 4624: 4617: 4615: 4613: 4612: 4607: 4602: 4597: 4595:Thorson's rule 4592: 4587: 4582: 4577: 4572: 4567: 4562: 4557: 4552: 4550:Marine biology 4547: 4542: 4537: 4532: 4527: 4521: 4519: 4511: 4510: 4498: 4497: 4494: 4493: 4490: 4489: 4487: 4486: 4485: 4484: 4479: 4474: 4469: 4461: 4456: 4455: 4454: 4449: 4438: 4436: 4432: 4431: 4429: 4428: 4427: 4426: 4421: 4416: 4411: 4409:Brackish marsh 4406: 4396: 4391: 4386: 4381: 4376: 4371: 4366: 4361: 4360: 4359: 4349: 4344: 4339: 4337:Lake ecosystem 4334: 4329: 4327:Hyporheic zone 4324: 4319: 4314: 4309: 4303: 4301: 4297: 4296: 4289: 4287: 4285: 4284: 4279: 4274: 4269: 4264: 4259: 4254: 4249: 4244: 4239: 4234: 4229: 4224: 4219: 4214: 4209: 4204: 4199: 4194: 4189: 4184: 4179: 4177:Microbial loop 4174: 4169: 4164: 4159: 4154: 4149: 4144: 4139: 4134: 4129: 4124: 4122:Eutrophication 4119: 4114: 4109: 4104: 4102:Cascade effect 4099: 4094: 4089: 4084: 4079: 4074: 4069: 4064: 4059: 4054: 4049: 4048: 4047: 4042: 4037: 4030:Aquatic animal 4027: 4022: 4017: 4012: 4006: 4004: 3996: 3995: 3982: 3981: 3974: 3973: 3966: 3959: 3951: 3942: 3941: 3936: 3933: 3932: 3930: 3929: 3924: 3919: 3914: 3909: 3904: 3899: 3897:Microecosystem 3894: 3889: 3884: 3879: 3874: 3869: 3864: 3859: 3854: 3849: 3844: 3839: 3834: 3829: 3824: 3819: 3813: 3811: 3807: 3806: 3804: 3803: 3798: 3796:Thorson's rule 3793: 3788: 3783: 3778: 3773: 3768: 3763: 3758: 3753: 3748: 3743: 3738: 3733: 3728: 3723: 3721:Assembly rules 3717: 3715: 3707: 3706: 3704: 3703: 3698: 3693: 3688: 3683: 3678: 3677: 3676: 3666: 3661: 3656: 3651: 3646: 3640: 3638: 3632: 3631: 3629: 3628: 3623: 3618: 3606: 3604:Patch dynamics 3601: 3599:Metapopulation 3596: 3591: 3586: 3581: 3576: 3571: 3566: 3561: 3556: 3551: 3546: 3541: 3536: 3531: 3526: 3521: 3515: 3513: 3505: 3504: 3502: 3501: 3496: 3494:Storage effect 3491: 3486: 3481: 3476: 3471: 3466: 3461: 3456: 3450: 3448: 3442: 3441: 3439: 3438: 3433: 3428: 3423: 3418: 3413: 3408: 3403: 3398: 3393: 3388: 3383: 3378: 3376:Neutral theory 3373: 3368: 3363: 3361:Native species 3354: 3349: 3344: 3339: 3334: 3329: 3324: 3319: 3314: 3308: 3306: 3302: 3301: 3299: 3298: 3293: 3292: 3291: 3286: 3276: 3271: 3266: 3261: 3256: 3251: 3246: 3241: 3236: 3234:Overpopulation 3231: 3226: 3221: 3216: 3211: 3206: 3201: 3196: 3191: 3186: 3180: 3178: 3170: 3169: 3157: 3156: 3149: 3142: 3134: 3125: 3124: 3122: 3121: 3116: 3111: 3106: 3101: 3096: 3091: 3086: 3080: 3078: 3072: 3071: 3069: 3068: 3063: 3058: 3053: 3048: 3043: 3041:Nutrient cycle 3038: 3033: 3031:Feeding frenzy 3028: 3023: 3018: 3013: 3011:Energy quality 3008: 3003: 2998: 2993: 2988: 2983: 2978: 2973: 2971:Cascade effect 2968: 2963: 2957: 2955: 2951: 2950: 2948: 2947: 2946: 2945: 2940: 2935: 2930: 2925: 2920: 2915: 2905: 2900: 2895: 2890: 2884: 2882: 2878: 2877: 2875: 2874: 2869: 2864: 2859: 2854: 2849: 2843: 2841: 2835: 2834: 2832: 2831: 2826: 2821: 2816: 2814:Microbial loop 2811: 2806: 2801: 2796: 2791: 2786: 2781: 2779:Lithoautotroph 2776: 2771: 2765: 2763: 2761:Microorganisms 2757: 2756: 2754: 2753: 2748: 2743: 2738: 2732: 2730: 2724: 2723: 2721: 2720: 2718:Prey switching 2715: 2710: 2705: 2700: 2695: 2690: 2685: 2680: 2675: 2670: 2665: 2660: 2655: 2650: 2645: 2640: 2635: 2629: 2627: 2621: 2620: 2618: 2617: 2612: 2607: 2602: 2597: 2595:Photosynthesis 2592: 2587: 2582: 2577: 2572: 2567: 2562: 2557: 2552: 2550:Chemosynthesis 2547: 2541: 2539: 2533: 2532: 2530: 2529: 2524: 2519: 2514: 2509: 2504: 2499: 2494: 2489: 2484: 2479: 2474: 2469: 2464: 2459: 2454: 2449: 2444: 2442:Abiotic stress 2439: 2433: 2431: 2427: 2426: 2410: 2409: 2402: 2395: 2387: 2381: 2380: 2377:Trophic levels 2372: 2371:External links 2369: 2367: 2366: 2330: 2285: 2272:(3): 697ā€“706. 2250: 2189: 2171: 2160: 2102: 2035: 1974: 1953: 1942:(1): 110ā€“121. 1923: 1890:Enhydra lutris 1878: 1865:(3): 467ā€“481. 1840: 1827:(5): 707ā€“717. 1805: 1762: 1746: 1697: 1662: 1655: 1635: 1622: 1621: 1559: 1539: 1495: 1478: 1471: 1450: 1443: 1423: 1416: 1396: 1362: 1336:(4): 399ā€“418. 1313: 1287: 1285: 1282: 1281: 1280: 1274: 1265: 1260: 1255: 1250: 1245: 1243:Cascade effect 1238: 1235: 1219: 1216: 1199: 1196: 1174: 1170: 1166: 1157:is the catch, 1144: 1140: 1113: 1109: 1105: 1079: 1075: 1063: 1062: 1061: 1060: 1042: 1038: 1034: 1030: 1026: 1023: 1020: 1016: 1010: 1006: 996: 992: 988: 984: 980: 977: 974: 970: 964: 960: 953: 950: 947: 942: 938: 934: 931: 908:Since biomass 905: 902: 858: 854: 850: 817: 814: 810: 798: 797: 796: 795: 779: 776: 772: 766: 762: 756: 751: 748: 744: 740: 735: 731: 727: 724: 719: 715: 708: 703: 699: 695: 658: 655: 635:stable isotope 601: 598: 594: 590: 564: 560: 556: 545: 544: 543: 542: 530: 525: 522: 518: 514: 511: 506: 502: 498: 495: 490: 486: 482: 479: 476: 471: 467: 463: 426:apex predators 413: 410: 405: 402: 383:energy pyramid 370:energy pyramid 361: 358: 344:In real-world 342: 341: 328: 321: 319: 309: 302: 300: 290: 283: 281: 271: 264: 261: 260: 257:apex predators 253: 248: 245: 242: 239: 236: 233: 230: 227: 220: 219: 201: 175: 172:chemosynthesis 160:photosynthesis 127: 124: 111: 108: 86:apex predators 49:photosynthesis 15: 9: 6: 4: 3: 2: 5061: 5050: 5047: 5045: 5042: 5040: 5037: 5036: 5034: 5019: 5011: 5008: 5003: 4997: 4994: 4983: 4982: 4979: 4965: 4962: 4960: 4957: 4955: 4952: 4950: 4947: 4945: 4942: 4940: 4937: 4935: 4932: 4930: 4927: 4926: 4924: 4922: 4918: 4912: 4909: 4907: 4904: 4902: 4901:Sponge ground 4899: 4897: 4894: 4892: 4889: 4887: 4884: 4882: 4879: 4877: 4874: 4872: 4869: 4867: 4866:Marine biomes 4864: 4862: 4859: 4857: 4854: 4852: 4849: 4847: 4844: 4842: 4839: 4837: 4834: 4832: 4829: 4827: 4824: 4822: 4819: 4817: 4814: 4812: 4809: 4807: 4804: 4802: 4799: 4798: 4796: 4794: 4790: 4780: 4777: 4773: 4770: 4768: 4767:Demersal fish 4765: 4763: 4762:Deep-sea fish 4760: 4758: 4755: 4753: 4750: 4749: 4748: 4745: 4743: 4740: 4738: 4737:Marine mammal 4735: 4734: 4732: 4730: 4726: 4720: 4717: 4715: 4712: 4710: 4707: 4705: 4702: 4700: 4697: 4696: 4694: 4692: 4688: 4682: 4679: 4677: 4674: 4672: 4669: 4667: 4664: 4662: 4659: 4657: 4654: 4652: 4649: 4647: 4644: 4642: 4639: 4638: 4635: 4632: 4630: 4626: 4621: 4611: 4608: 4606: 4603: 4601: 4598: 4596: 4593: 4591: 4588: 4586: 4583: 4581: 4578: 4576: 4573: 4571: 4568: 4566: 4563: 4561: 4558: 4556: 4553: 4551: 4548: 4546: 4543: 4541: 4538: 4536: 4533: 4531: 4528: 4526: 4523: 4522: 4520: 4516: 4512: 4508: 4503: 4499: 4483: 4480: 4478: 4475: 4473: 4470: 4468: 4465: 4464: 4462: 4460: 4457: 4453: 4450: 4448: 4445: 4444: 4443: 4440: 4439: 4437: 4433: 4425: 4422: 4420: 4417: 4415: 4412: 4410: 4407: 4405: 4402: 4401: 4400: 4397: 4395: 4392: 4390: 4387: 4385: 4382: 4380: 4377: 4375: 4372: 4370: 4367: 4365: 4362: 4358: 4355: 4354: 4353: 4350: 4348: 4345: 4343: 4340: 4338: 4335: 4333: 4330: 4328: 4325: 4323: 4320: 4318: 4315: 4313: 4310: 4308: 4305: 4304: 4302: 4298: 4293: 4283: 4280: 4278: 4275: 4273: 4270: 4268: 4267:Trophic level 4265: 4263: 4260: 4258: 4255: 4253: 4250: 4248: 4245: 4243: 4240: 4238: 4235: 4233: 4232:Sediment trap 4230: 4228: 4225: 4223: 4220: 4218: 4215: 4213: 4210: 4208: 4207:Phytoplankton 4205: 4203: 4200: 4198: 4195: 4193: 4190: 4188: 4185: 4183: 4180: 4178: 4175: 4173: 4170: 4168: 4165: 4163: 4160: 4158: 4155: 4153: 4150: 4148: 4145: 4143: 4140: 4138: 4135: 4133: 4130: 4128: 4125: 4123: 4120: 4118: 4115: 4113: 4110: 4108: 4105: 4103: 4100: 4098: 4095: 4093: 4090: 4088: 4085: 4083: 4080: 4078: 4075: 4073: 4070: 4068: 4065: 4063: 4060: 4058: 4057:Aquatic plant 4055: 4053: 4050: 4046: 4043: 4041: 4038: 4036: 4033: 4032: 4031: 4028: 4026: 4023: 4021: 4020:Anoxic waters 4018: 4016: 4013: 4011: 4008: 4007: 4005: 4001: 3997: 3993: 3987: 3983: 3979: 3972: 3967: 3965: 3960: 3958: 3953: 3952: 3949: 3939: 3934: 3928: 3925: 3923: 3922:Urban ecology 3920: 3918: 3915: 3913: 3910: 3908: 3905: 3903: 3900: 3898: 3895: 3893: 3890: 3888: 3885: 3883: 3880: 3878: 3875: 3873: 3870: 3868: 3865: 3863: 3860: 3858: 3855: 3853: 3850: 3848: 3845: 3843: 3840: 3838: 3835: 3833: 3830: 3828: 3825: 3823: 3820: 3818: 3815: 3814: 3812: 3808: 3802: 3799: 3797: 3794: 3792: 3789: 3787: 3784: 3782: 3781:Kleiber's law 3779: 3777: 3774: 3772: 3769: 3767: 3764: 3762: 3759: 3757: 3754: 3752: 3749: 3747: 3744: 3742: 3739: 3737: 3734: 3732: 3729: 3727: 3724: 3722: 3719: 3718: 3716: 3714: 3708: 3702: 3699: 3697: 3694: 3692: 3689: 3687: 3684: 3682: 3679: 3675: 3672: 3671: 3670: 3667: 3665: 3662: 3660: 3657: 3655: 3652: 3650: 3647: 3645: 3642: 3641: 3639: 3637: 3633: 3627: 3624: 3622: 3619: 3617: 3615: 3611: 3607: 3605: 3602: 3600: 3597: 3595: 3592: 3590: 3587: 3585: 3582: 3580: 3577: 3575: 3572: 3570: 3567: 3565: 3562: 3560: 3557: 3555: 3554:Foster's rule 3552: 3550: 3547: 3545: 3542: 3540: 3537: 3535: 3532: 3530: 3527: 3525: 3522: 3520: 3517: 3516: 3514: 3512: 3506: 3500: 3497: 3495: 3492: 3490: 3487: 3485: 3482: 3480: 3477: 3475: 3472: 3470: 3467: 3465: 3462: 3460: 3457: 3455: 3452: 3451: 3449: 3443: 3437: 3434: 3432: 3429: 3427: 3424: 3422: 3419: 3417: 3414: 3412: 3409: 3407: 3404: 3402: 3399: 3397: 3394: 3392: 3389: 3387: 3384: 3382: 3379: 3377: 3374: 3372: 3369: 3367: 3364: 3362: 3358: 3355: 3353: 3350: 3348: 3345: 3343: 3340: 3338: 3335: 3333: 3330: 3328: 3325: 3323: 3320: 3318: 3315: 3313: 3310: 3309: 3307: 3303: 3297: 3294: 3290: 3287: 3285: 3282: 3281: 3280: 3277: 3275: 3272: 3270: 3267: 3265: 3262: 3260: 3257: 3255: 3252: 3250: 3247: 3245: 3242: 3240: 3237: 3235: 3232: 3230: 3227: 3225: 3222: 3220: 3217: 3215: 3212: 3210: 3207: 3205: 3202: 3200: 3197: 3195: 3192: 3190: 3187: 3185: 3182: 3181: 3179: 3177: 3171: 3166: 3162: 3155: 3150: 3148: 3143: 3141: 3136: 3135: 3132: 3120: 3117: 3115: 3112: 3110: 3107: 3105: 3102: 3100: 3097: 3095: 3092: 3090: 3087: 3085: 3082: 3081: 3079: 3073: 3067: 3064: 3062: 3059: 3057: 3054: 3052: 3049: 3047: 3044: 3042: 3039: 3037: 3034: 3032: 3029: 3027: 3024: 3022: 3019: 3017: 3014: 3012: 3009: 3007: 3004: 3002: 2999: 2997: 2994: 2992: 2989: 2987: 2984: 2982: 2979: 2977: 2974: 2972: 2969: 2967: 2964: 2962: 2959: 2958: 2956: 2952: 2944: 2941: 2939: 2936: 2934: 2931: 2929: 2926: 2924: 2921: 2919: 2916: 2914: 2911: 2910: 2909: 2906: 2904: 2901: 2899: 2896: 2894: 2891: 2889: 2886: 2885: 2883: 2879: 2873: 2872:Trophic level 2870: 2868: 2865: 2863: 2860: 2858: 2855: 2853: 2850: 2848: 2845: 2844: 2842: 2840: 2836: 2830: 2829:Phage ecology 2827: 2825: 2822: 2820: 2819:Microbial mat 2817: 2815: 2812: 2810: 2807: 2805: 2802: 2800: 2797: 2795: 2792: 2790: 2787: 2785: 2782: 2780: 2777: 2775: 2774:Bacteriophage 2772: 2770: 2767: 2766: 2764: 2762: 2758: 2752: 2749: 2747: 2744: 2742: 2741:Decomposition 2739: 2737: 2734: 2733: 2731: 2729: 2725: 2719: 2716: 2714: 2711: 2709: 2706: 2704: 2701: 2699: 2696: 2694: 2691: 2689: 2688:Mesopredators 2686: 2684: 2681: 2679: 2676: 2674: 2671: 2669: 2666: 2664: 2661: 2659: 2656: 2654: 2651: 2649: 2646: 2644: 2641: 2639: 2636: 2634: 2633:Apex predator 2631: 2630: 2628: 2626: 2622: 2616: 2613: 2611: 2608: 2606: 2603: 2601: 2598: 2596: 2593: 2591: 2588: 2586: 2583: 2581: 2578: 2576: 2573: 2571: 2568: 2566: 2563: 2561: 2558: 2556: 2553: 2551: 2548: 2546: 2543: 2542: 2540: 2538: 2534: 2528: 2525: 2523: 2520: 2518: 2515: 2513: 2510: 2508: 2505: 2503: 2500: 2498: 2495: 2493: 2490: 2488: 2485: 2483: 2480: 2478: 2475: 2473: 2470: 2468: 2467:Biotic stress 2465: 2463: 2460: 2458: 2455: 2453: 2450: 2448: 2445: 2443: 2440: 2438: 2435: 2434: 2432: 2428: 2423: 2419: 2415: 2408: 2403: 2401: 2396: 2394: 2389: 2388: 2385: 2378: 2375: 2374: 2362: 2358: 2354: 2350: 2346: 2342: 2334: 2326: 2322: 2318: 2314: 2310: 2306: 2302: 2298: 2297: 2289: 2280: 2275: 2271: 2267: 2266: 2261: 2254: 2246: 2242: 2237: 2232: 2227: 2222: 2218: 2214: 2210: 2206: 2205: 2200: 2193: 2185: 2181: 2175: 2169: 2164: 2156: 2152: 2148: 2144: 2140: 2136: 2132: 2128: 2124: 2120: 2119: 2111: 2109: 2107: 2095: 2091: 2087: 2083: 2079: 2075: 2071: 2067: 2063: 2059: 2055: 2054: 2046: 2039: 2031: 2027: 2022: 2017: 2012: 2007: 2003: 1999: 1995: 1991: 1990: 1985: 1978: 1970: 1963: 1957: 1949: 1945: 1941: 1937: 1936: 1927: 1919: 1915: 1911: 1907: 1903: 1899: 1898: 1893: 1891: 1882: 1873: 1868: 1864: 1860: 1859: 1854: 1847: 1845: 1835: 1830: 1826: 1822: 1821: 1816: 1809: 1801: 1797: 1793: 1789: 1785: 1781: 1777: 1773: 1766: 1759: 1755: 1750: 1742: 1738: 1733: 1728: 1724: 1720: 1716: 1712: 1708: 1701: 1693: 1689: 1685: 1681: 1677: 1673: 1666: 1658: 1652: 1648: 1647: 1639: 1631: 1627: 1620: 1619: 1616: 1612: 1607: 1602: 1597: 1592: 1588: 1584: 1580: 1576: 1575: 1570: 1563: 1555: 1554: 1549: 1543: 1532: 1528: 1524: 1523: 1515: 1508: 1506: 1504: 1502: 1500: 1491: 1485: 1483: 1474: 1468: 1464: 1457: 1455: 1446: 1440: 1436: 1435: 1427: 1419: 1413: 1409: 1408: 1400: 1392: 1389:(in German). 1388: 1381: 1378:(in German). 1377: 1373: 1366: 1355: 1351: 1347: 1343: 1339: 1335: 1331: 1324: 1317: 1302: 1298: 1292: 1288: 1278: 1275: 1273: 1269: 1266: 1264: 1261: 1259: 1256: 1254: 1251: 1249: 1246: 1244: 1241: 1240: 1234: 1232: 1225: 1215: 1211: 1197: 1194: 1172: 1168: 1164: 1142: 1138: 1129: 1111: 1107: 1103: 1095: 1077: 1073: 1040: 1036: 1032: 1024: 1021: 1014: 1008: 1004: 994: 990: 986: 978: 975: 968: 962: 958: 951: 948: 945: 940: 936: 932: 929: 922: 921: 920: 919: 918: 916: 911: 901: 898: 896: 892: 888: 884: 879: 856: 852: 848: 815: 812: 808: 777: 774: 770: 764: 760: 749: 746: 742: 738: 733: 729: 725: 717: 713: 706: 701: 697: 693: 686: 685: 684: 683: 682: 672: 668: 663: 654: 652: 648: 644: 640: 636: 631: 627: 625: 621: 617: 599: 596: 592: 588: 580: 562: 558: 554: 523: 520: 516: 512: 509: 504: 500: 496: 488: 484: 480: 477: 474: 469: 465: 461: 454: 453: 452: 451: 450: 447: 442: 440: 436: 427: 423: 418: 409: 401: 399: 395: 390: 388: 384: 375: 371: 366: 357: 353: 351: 347: 338: 333: 332: 325: 320: 316: 315:Golden eagles 312: 306: 301: 297: 293: 287: 282: 278: 274: 268: 263: 262: 258: 254: 252: 251:Apex predator 249: 246: 243: 240: 237: 234: 231: 228: 225: 224: 223: 217: 213: 209: 205: 202: 199: 195: 191: 187: 183: 179: 176: 173: 169: 165: 161: 157: 153: 149: 145: 144: 143: 136: 132: 123: 121: 117: 107: 105: 102: 98: 93: 91: 87: 83: 79: 75: 70: 66: 62: 58: 57:trophic level 50: 46: 42: 41:phytoplankton 38: 34: 30: 26: 22: 4921:Conservation 4772:Pelagic fish 4752:Coastal fish 4656:Marine fungi 4394:Water garden 4277:Water column 4266: 4222:Productivity 4197:Pelagic zone 4157:Macrobenthos 4147:Hydrobiology 4117:Ecohydrology 3907:Regime shift 3892:Macroecology 3613: 3609: 3549:Edge effects 3519:Biogeography 3464:Commensalism 3312:Biodiversity 3189:Allee effect 2928:kelp forests 2881:Example webs 2871: 2746:Detritivores 2585:Organotrophs 2565:Kinetotrophs 2517:Productivity 2421: 2347:(1): 41ā€“65. 2344: 2340: 2333: 2300: 2294: 2288: 2269: 2263: 2253: 2208: 2202: 2192: 2183: 2174: 2163: 2122: 2116: 2094:the original 2057: 2051: 2038: 1993: 1987: 1977: 1956: 1939: 1933: 1926: 1901: 1895: 1889: 1881: 1862: 1856: 1824: 1818: 1808: 1775: 1771: 1765: 1757: 1749: 1714: 1710: 1700: 1675: 1671: 1665: 1645: 1638: 1629: 1578: 1572: 1562: 1551: 1542: 1531:the original 1526: 1520: 1489: 1462: 1433: 1426: 1406: 1399: 1390: 1386: 1379: 1375: 1365: 1354:the original 1333: 1329: 1316: 1304:. Retrieved 1300: 1291: 1271: 1227: 1212: 1127: 1093: 1064: 914: 907: 899: 894: 880: 799: 676: 669:, have been 632: 628: 619: 615: 578: 546: 446:Daniel Pauly 443: 431: 407: 391: 379: 354: 343: 329: 310: 291: 272: 256: 244:Level 4 238:Level 3 232:Level 2 226:Level 1 221: 208:detritivores 182:heterotrophs 141: 113: 96: 94: 90:biodiversity 56: 54: 32: 25: 5044:Food chains 4906:Sponge reef 4881:Rocky shore 4876:Oyster reef 4846:Kelp forest 4729:Vertebrates 4629:Marine life 4605:Viral shunt 4570:Marine snow 4472:Maharashtra 4379:Stream pool 4282:Zooplankton 4202:Photic zone 4162:Meiobenthos 4015:Algal bloom 3544:Disturbance 3447:interaction 3269:Recruitment 3199:Depensation 2991:Copiotrophs 2862:Energy flow 2784:Lithotrophy 2728:Decomposers 2708:Planktivore 2683:Insectivore 2673:Heterotroph 2638:Bacterivore 2605:Phototrophs 2555:Chemotrophs 2527:Restoration 2477:Competition 1754:Odum, W. E. 883:overfishing 331:Decomposers 204:Decomposers 146:Producers ( 5033:Categories 4886:Salt marsh 4821:Coral reef 4610:Whale fall 4590:Photophore 4467:Everglades 4435:Ecoregions 4374:Stream bed 4347:Macrophyte 4300:Freshwater 4132:Food chain 4045:Water bird 3912:Sexecology 3489:Parasitism 3454:Antibiosis 3289:Resistance 3284:Resilience 3174:Population 3094:Camouflage 3046:Oligotroph 2961:Ascendency 2923:intertidal 2913:cold seeps 2867:Food chain 2668:Herbivores 2643:Carnivores 2570:Mixotrophs 2545:Autotrophs 2424:components 1967:(Report). 1284:References 671:overfished 346:ecosystems 194:carnivores 190:herbivores 148:autotrophs 82:carnivores 78:herbivores 69:food chain 4911:Tide pool 4816:Cold seep 4600:Upwelling 4364:Rheotaxis 4357:Fish pond 4332:Limnology 4257:Substrate 4242:Siltation 4112:Dead zone 3817:Allometry 3771:Emergence 3499:Symbiosis 3484:Mutualism 3279:Stability 3184:Abundance 2996:Dominance 2954:Processes 2943:tide pool 2839:Food webs 2713:Predation 2698:Omnivores 2625:Consumers 2580:Mycotroph 2537:Producers 2482:Ecosystem 2447:Behaviour 1297:"Trophic" 952:⁡ 904:FiB index 887:fisheries 761:∑ 739:⋅ 714:∑ 510:⋅ 485:∑ 404:Evolution 198:omnivores 178:Consumers 95:The word 5018:Category 4944:HERMIONE 4861:Mangrove 4671:Seagrass 4217:Pleuston 4212:Plankton 4192:Particle 4137:Food web 3872:Endolith 3801:Xerosere 3713:networks 3529:Ecocline 3075:Defense, 2751:Detritus 2653:Foraging 2522:Resource 2361:53137184 2325:40207145 2245:24297882 2184:Phys.org 2082:21085178 2030:20566867 1741:18198148 1630:Phys.org 1615:24297882 1553:FishBase 1393:: 29ā€“79. 1306:16 April 1272:Food web 1237:See also 834:in year 651:collagen 439:crayfish 435:bullfrog 350:food web 339:can use. 212:bacteria 126:Overview 65:food web 61:organism 5049:Ecology 4871:Mudflat 4831:Estuary 4801:Bay mud 4779:Seabird 4535:f-ratio 4518:General 4399:Wetland 4187:Neuston 4152:Hypoxia 4097:Biomass 4087:Benthos 4003:General 3862:Ecopath 3669:Habitat 3539:Ecotype 3534:Ecotone 3511:ecology 3509:Spatial 3445:Species 3305:Species 3176:ecology 3161:Ecology 3109:Mimicry 3077:counter 3021:f-ratio 2769:Archaea 2457:Biomass 2430:General 2422:Trophic 2414:Ecology 2305:Bibcode 2236:3870703 2213:Bibcode 2147:9452385 2127:Bibcode 2118:Science 2090:4403636 2062:Bibcode 2021:2901455 1998:Bibcode 1906:Bibcode 1800:4161183 1780:Bibcode 1732:2596898 1680:Bibcode 1606:3870703 1583:Bibcode 1350:1930126 1330:Ecology 649:, bone 387:biomass 374:biomass 277:Rabbits 186:species 110:History 97:trophic 4856:Lagoon 4182:Nekton 4040:Mammal 4035:Insect 2893:Rivers 2789:Marine 2359:  2323:  2296:Nature 2243:  2233:  2155:272149 2153:  2145:  2088:  2080:  2053:Nature 2028:  2018:  1798:  1772:Nature 1739:  1729:  1653:  1613:  1603:  1469:  1441:  1414:  1348:  1065:where 862:  846:  838:, and 800:where 639:muscle 581:, and 547:where 424:) are 184:) are 152:plants 138:color) 59:of an 4247:Spawn 3810:Other 3711:Other 3664:Guild 3636:Niche 2888:Lakes 2357:S2CID 2321:S2CID 2151:S2CID 2097:(PDF) 2086:S2CID 2048:(PDF) 1965:(PDF) 1796:S2CID 1534:(PDF) 1517:(PDF) 1357:(PDF) 1346:JSTOR 1326:(PDF) 917:, by 895:et al 437:eats 296:Foxes 216:fungi 156:algae 104:Ļ„ĻĪæĻ†Ī® 101:Greek 37:algae 4352:Pond 2898:Soil 2241:PMID 2143:PMID 2078:PMID 2026:PMID 1737:PMID 1651:ISBN 1611:PMID 1467:ISBN 1439:ISBN 1412:ISBN 1308:2017 681:as: 667:tuna 647:hair 643:skin 422:orca 214:and 55:The 39:and 4414:Fen 4404:Bog 2349:doi 2313:doi 2274:doi 2231:PMC 2221:doi 2209:110 2135:doi 2123:279 2070:doi 2058:468 2016:PMC 2006:doi 1994:107 1944:doi 1914:doi 1867:doi 1829:doi 1788:doi 1776:275 1727:PMC 1719:doi 1715:275 1688:doi 1601:PMC 1591:doi 1579:110 1338:doi 949:log 368:An 154:or 5035:: 3359:/ 3163:: 2420:: 2416:: 2355:. 2345:11 2343:. 2319:. 2311:. 2301:35 2299:. 2270:57 2268:. 2262:. 2239:. 2229:. 2219:. 2207:. 2201:. 2182:. 2149:. 2141:. 2133:. 2121:. 2105:^ 2084:. 2076:. 2068:. 2056:. 2050:. 2024:. 2014:. 2004:. 1992:. 1986:. 1940:43 1938:. 1912:. 1902:39 1900:. 1894:. 1863:55 1861:. 1855:. 1843:^ 1825:56 1823:. 1817:. 1794:. 1786:. 1774:. 1735:. 1725:. 1713:. 1709:. 1686:. 1674:. 1628:. 1609:. 1599:. 1589:. 1577:. 1571:. 1527:76 1525:. 1519:. 1498:^ 1481:^ 1453:^ 1380:31 1344:. 1334:23 1332:. 1328:. 1299:. 1270:ā€“ 1130:, 1096:, 645:, 641:, 3970:e 3963:t 3956:v 3614:K 3612:/ 3610:r 3153:e 3146:t 3139:v 2406:e 2399:t 2392:v 2363:. 2351:: 2327:. 2315:: 2307:: 2282:. 2276:: 2247:. 2223:: 2215:: 2157:. 2137:: 2129:: 2072:: 2064:: 2032:. 2008:: 2000:: 1950:. 1946:: 1920:. 1916:: 1908:: 1875:. 1869:: 1837:. 1831:: 1802:. 1790:: 1782:: 1743:. 1721:: 1694:. 1690:: 1682:: 1676:4 1617:. 1593:: 1585:: 1475:. 1420:. 1391:2 1340:: 1198:E 1195:T 1173:0 1169:L 1165:T 1143:0 1139:Y 1128:y 1112:y 1108:L 1104:T 1094:y 1078:y 1074:Y 1041:0 1037:L 1033:T 1029:) 1025:E 1022:T 1019:( 1015:/ 1009:0 1005:Y 995:y 991:L 987:T 983:) 979:E 976:T 973:( 969:/ 963:y 959:Y 946:= 941:y 937:B 933:i 930:F 915:y 876:i 857:i 853:L 849:T 836:y 832:i 816:y 813:i 809:Y 778:y 775:i 771:Y 765:i 755:) 750:y 747:i 743:Y 734:i 730:L 726:T 723:( 718:i 707:= 702:y 698:L 694:T 679:y 673:. 620:i 616:j 600:j 597:i 593:C 589:D 579:j 563:j 559:L 555:T 529:) 524:j 521:i 517:C 513:D 505:j 501:L 497:T 494:( 489:j 481:+ 478:1 475:= 470:i 466:L 462:T 376:. 206:( 200:. 180:( 174:. 23:.

Index

Trophic level index

algae
phytoplankton
primary producers
photosynthesis
organism
food web
food chain
primary producers
herbivores
carnivores
apex predators
biodiversity
Greek
Ļ„ĻĪæĻ†Ī®
Raymond Lindeman
August Thienemann

Consumer categories
autotrophs
plants
algae
photosynthesis
primary producers
hydrothermal ecosystems
chemosynthesis
Consumers
heterotrophs
species

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.

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