8 Alternative Android App Stores From China. Just as the entire Android system is largely open, so the method of getting apps onto Googleâs mobile OS is also unfettered. In most of the rest of the world, the official Android Market suffices as the primary app source â but in China, the situation has evolved quite differently.
Biodiversity can be measured and monitored at several spatial scales. Alpha Diversity = richness and evenness of individuals within a habitat unit. For example in the figure below, Alpha Diversity of Site A = 7 species, Site B = 5 species, Site C = 7 species. Beta Diversity = expression of diversity between habitats.
Alpha (uppercase Î±, lowercase Î±; Ancient Greek: Î¬Î»ÏÎ±, Ã¡lpha, modern pronunciation Ã¡lfa) is the first letter of the Greek alphabet. In the system of Greek numerals it has a value of 1. It was derived from the Phoenician and Hebrew letter aleph - an ox or leader.