نتایج جستجو برای: body size
تعداد نتایج: 1237080 فیلتر نتایج به سال:
Fisheries stock assessments increasingly account for size-dependence in natural mortality rates, usually by modeling as a power function of body length. Various empirical studies have indicated scaling with length the range ? 0.84 to 1.11, but substantially different exponents ranging from 0.75 1.5 been proposed on theoretical grounds or derived some models. To resolve these controversies and p...
Trophic cascades are indirect positive effects of predators on resources via control of intermediate consumers. Larger-bodied predators appear to induce stronger trophic cascades (a greater rebound of resource density toward carrying capacity), but how this happens is unknown because we lack a clear depiction of how the strength of trophic cascades is determined. Using consumer resource models,...
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