Trophic Levels

Some articles on trophic levels, trophic level, level, trophic, levels:

Integrative Levels, Scope, and Scale of Organization - Ecosystem Ecology - Trophic Levels
... Main article Trophic level A trophic level (from Greek troph, τροφή, trophē, meaning "food" or "feeding") is "a group of organisms acquiring a considerable majority of its energy from the adjacent level nearer ... Biodiversity within ecosystems can be organized into trophic pyramids, in which the vertical dimension represents feeding relations that become further removed ... abundance or biomass of each species is sorted into its respective trophic level, they naturally sort into a 'pyramid of numbers' ...
Current Applications of The Regime Shift Concept
... variables and propagate through several trophic levels” Bakun 2004 (in Collie et al. 2004) “persistent radical shift in typical levels of abundance or productivity of multiple important components of marine biological community structure, occurring at multiple trophic ... shifts can be defined as abrupt changes on several trophic levels leading to rapid ecosystem reconfiguration between alternative states” Cumming Norberg, 2008 "the ...
Lake Ecosystem - Trophic Relationships - Lentic Food Webs
... As noted in the previous sections, the lentic biota are linked in complex web of trophic relationships ... organisms can be considered to loosely be associated with specific trophic groups (e.g ... of prey taxa is dependent upon the actions of consumers from higher trophic levels ...
Mesopredator Release Hypothesis - Criticism
... possible impacts that bottom-up control could have on higher trophic levels ... as apex predators that produce top-down effects on lower trophic levels ... More importantly, the hypothesis does not take into account that higher trophic levels are affected by primary productivity ...

Famous quotes containing the word levels:

    The word which gives the key to the national vice is waste. And people who are wasteful are not wise, neither can they remain young and vigorous. In order to transmute energy to higher and more subtle levels one must first conserve it.
    Henry Miller (1891–1980)