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WebMar 14, 2015 · THE mean of reported annual world fisheries catches for 1988-1991 (94.3 million t) was split into 39 species groups, to which fractional trophic levels, ranging from 1.0 (edible algae) to 4.2 ... WebJul 12, 2010 · 1. Climate change impacts beyond individual species. Climate change is real. It is expected to be the major threat to biodiversity and one of the main factors affecting human health and well-being over the coming decades (Thomas et al. 2004; ME Assessment 2005; Schröter et al. 2005; Pimm 2009).Recent studies suggest CO 2 … WebAug 12, 2024 · Biotic and abiotic factors both impact ecosystems by limiting the quantities of the organisms that can live there. The carrying capacity, or the largest number of individuals of a species in a ... triathlon taden 2023