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Definition
| The production of new organic matter by autotrophs in an ecosystem; the amount of energy fixed by photosynthesis |
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Definition
| [the rate of primary production] – [amount of energy fixed (biomass produced) in a given area over some interval of time (e.g., g/m2/yr)] |
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Definition
| Limited by primary productivity; usually expressed as grams of carbon per meter square per year |
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Definition
| The amount of accumulated organic matter found in an area at a given time (e.g., g/m2) |
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Definition
| An abstraction describing the network of feeding relationships in a community as a series of links of trophic levels, such as primary producers, herbivores, and primary carnivores; a linear connection of organisms to show the feeding linkages of predators and prey |
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Definition
| Amount of energy or some other quantity extracted from a trophic level, divided by the amount of energy produced by the next-lower trophic level |
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Definition
| A network describing the feeding interactions of the species in an area |
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Definition
| Pathways between one tropic level in a food chain to the next |
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Definition
| Where multiple links in a food chain come together |
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Definition
| Fundamental organisms around which an ecosystem exists |
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Definition
| Species formed in a reaction consisting of more than one step |
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Definition
| Predator capable of consuming trophic levels beneath it while not being consumed itself |
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