UNI101Y1 Study Guide - Species Pool, Gamma Diversity, Beta Diversity
16 Feb 2013
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Bio120h lisa zhao 2011 | page 2 larger islands are better targets for potential immigrants, and support larger pop. s which may persist longer owing to their genetic diversity. Lar ge-sc ale pat t er n s o f di ver sit y r eflec t lat i t ude, En vir o n men t al h et er o gen eit y, an d pr o duc t ivit y. Greater heterogeneity of envmt in western us provides more suitable consitions for a greater # of species. More productive (complex) habitat = more species. Solar nrg input influences species richness n of 15 . Water availability had more influence on species richness in tropics through to sh. Diff. in envmts mostly manifested through differences in precip. Ppootteennttiiaall eevvaappoottrraannssppiirraattiioonn (ppeett): the amount of water that could be transpired by plants and evaporated from the soil, given the local temperature and humidity, if water were not limited.
