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alpha-diversityalpha-Diversität (ger.)

  • Diversity within a local community. (HWB)  

    The two phenomena involved [“diversity of individual stands, and relative differentiation of vegetation patterns along topographic moisture gradients”] suggest the need for distinguishing three aspects or levels of species-diversity in natural comnmunities: (1) The richness in species of a particular stand or community, or a given stratum or group of organisms in a stand. Fisherʼs (1943) alpha index is one means of measuring this, which may be designated primary or “alpha” diversity.

    Whittaker, R.H. (1960). Vegetation of the Siskiyou Mountains, Oregon and California. Ecol. Monogr. 30, 279-338: 320.


    alpha diversity The diversity of species within a particular habitat or community; cf. beta diversity, gamma diversity. 

    Lincoln, R.J., Boxshall, G.A. & Clark, P.F. (1982). A Dictionary of Ecology, Evolution and Systematics: 11.