Trophic, from Ancient Greek τροφικός (''trophikos'') "pertaining to food or nourishment", may refer to: *

Trophic cascade Trophic cascades are powerful indirect interactions that can control entire ecosystems, occurring when a trophic level in a food web is suppressed. For example, a top-down cascade will occur if predators are effective enough in predation to reduce t ...

* Trophic coherence *

Trophic egg A trophic egg, in most species that produce them, usually is an unfertilised egg because its function is not reproduction but nutrition; in essence it serves as food for offspring hatched from viable eggs. The production of trophic eggs has been ob ...

* Trophic function *

Trophic hormone Trophic hormones are hormones of the anterior lobe of the pituitary. These hormones affect growth, function, or nutrition of other endocrine cells. Trophic hormones can be found in body systems including the endocrine, gastrointestinal, urinary, a ...

* Trophic level index *

Trophic level The trophic level of an organism is the position it occupies in a food web. A food chain 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 ...

Trophic mutualism Trophic mutualism is a key type of ecological Mutualism (biology), mutualism. Specifically, "trophic mutualism" refers to the transfer of energy and nutrients between two species. This is also sometimes known as resource-to-resource mutualism. Troph ...

* Trophic pyramid *

Trophic species Trophic species are a scientific grouping of organisms according to their shared trophic (feeding) positions in a food web or food chain A food chain is a linear network of links in a food web starting from producer organisms (such as gras ...

Trophic state index The Trophic State Index (TSI) is a classification system designed to rate water bodies based on the amount of biological productivity they sustain. Although the term "trophic index" is commonly applied to lakes, any surface water body may be inde ...

See also