ES 100 Lecture Notes - Lecture 4: Giant Panda, Niche Differentiation, Primary Production
11 Sep 2018
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Document Summary
Suitable by chance: niche, role played by the species in a biological comm or the total set of env factors that determined a species distribution, generalist: broad niche, ex: black bear. Specialist: narrow niche: ex: giant panda, competition, competitive exclusion: no two species occupy same niche, resource partitioning. Species co exist in a habitat by utilizing different part of a single resource: ex: darwin"s finches, competition led to shifts in size of the beak of finch species. Infraspecific competition: can reduce it by, distribute young, exhibit strong territoriality, resource partitioning. Interspecific: among different species, allopatric, geographic isolation, sympathize speciation. Secondary: community disrupted and new one later develops on same site, climax community, develops last and lasts longest. Some landscapes never reach this b: disturbances. Force that interrupts established pattern of species: disrupts competition the most, allows for less competitive species to persist vs the superior.
