BIOL 3060 Study Guide - Final Guide: Species Richness, Biogeography, Stoichiometry
20 Apr 2017
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Document Summary
Community ecology: study of how the abundance, diversity and distributions of species vary due to interactions with other organisms and variation in abiotic conditions. Species that assemble to form a community are determined by: Diversity: the # of species in any one community (total species richness) Diversity: the change in what species you encounter as you move from community to community in the region. (i. e. types of different species across communities) Biogeography: study of variation in species composition and diversity among geographic locations. Wallace"s line: runs through indonesia, with the faunas on each side being very different. Mid domain effect: for anything that affects organisms ranges, more organisms will be found in the middle of the gradient, which is part of why the equator has the highest species diversity. (colwell) Historical perturbations: places that have been disturbed have fewer species because of: Climate stability: stable climate may promote more specialization and reduce extinctions. Harshness: harsh conditions may limit species numbers.
