Detecting Change in the Composition of a Multispecies Community

This paper describes an approach to extracting a trend from a time series of the composition of a multispecies community. The approach is based on a modification of a method for trend extraction from ordinary multiple time series. Two applications to a Northwest Atlantic ecosystem are described.

Related Organizations

Woods Hole Oceanographic Institution
United States

Keywords

Principal Component Analysis, Population Dynamics, Fishes, Applications of statistics to biology and medical sciences; meta analysis, Animals, Maine, Factor Analysis, Statistical, Atlantic Ocean, Ecosystem

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