Testing for simple structure in a spatial time series with an application to the distribution of Alexandrium resting cysts in the Gulf of Maine

We describe a test of the goodness of fit of a simple model for the mean of a spatial time series. Under this model, the mean consists of a temporally varying scaling of a fixed spatial map. The test is applied to the distribution of cysts of the harmful algal bloom organism Alexandrium fundyense in...

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Bibliographic Details
Published in:Marine ecology. Progress series (Halstenbek) 2014-03, Vol.501, p.291-296
Main Authors: Solow, Andrew R., Beet, Andrew R., Keafer, Bruce A., Anderson, Donald M.
Format: Article
Language:English
Subjects:
Alexandrium fundyense
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Summary:We describe a test of the goodness of fit of a simple model for the mean of a spatial time series. Under this model, the mean consists of a temporally varying scaling of a fixed spatial map. The test is applied to the distribution of cysts of the harmful algal bloom organism Alexandrium fundyense in the top 1 cm of sediment in the Gulf of Maine over the period 2004 to 2012. The analysis, which was motivated by a practical problem encountered when designing an annual cyst survey, supports this simple model. The test has broad applicability in marine ecology and related fields.
ISSN:0171-8630
1616-1599
DOI:10.3354/meps10705