A METHOD FOR DESCRIBING AND COMPARING AVIAN HABITATS.

作者: John T. Emlen

DOI: 10.1111/J.1474-919X.1956.TB01449.X

关键词: Selection (genetic algorithm)CartographyEcologyVegetationField (geography)Ecological distributionGeographyHabitatSet (abstract data type)Animal Science and ZoologyEcology, Evolution, Behavior and Systematics

摘要: Summary. Detailed studies of ecological distribution and habitat specificity require objective, quantitative data which are rarely available in the reference system customarily used for designating relations. A scheme description was developed tested a variety situations Africa North America based on selection set measurable features or dimensions, each graduated qualitative evaluation. A procedure recording measurements field is described. Examples presented showing how may be applied erecting vegetation formulae various degrees refinement, making semi-pictorial diagrams, analyzing subtle differences by different species populations.

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