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From Wikipedia, the free encyclopedia
Trophic species are a scientific grouping of organisms according to their shared trophic (feeding) positions in a food web or food chain. Trophic species have identical prey and a shared set of predators in the food web. This means that members of a trophic species share many of the same kinds of ecological functions [1][2]. The idea of trophic species was first devised by Frederic Briand and Joel Cohen in 1984 when investigating scaling laws applying to food webs [3]. The category may include species of plants, animals, a combination of plants and animals, and biological stages of an organism. When assigning groups in a trophic manner, relationships are linear in scale, which allowed the same authors to predict the proportion of different trophic links in food webs [4]. Furthermore grouping similar species according to feeding habit rather than genetics results in a ratio of predator to prey that is generally 1:1 in food webs[5].
This article may require cleanup to meet Wikipedia's quality standards. The specific problem is: Distinguish from Trophic level. (December 2021) |
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