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Variance and the large scale spatial stability of aphids, moths and birds



Variance and the large scale spatial stability of aphids, moths and birds



Journal of Animal Ecology 49(3): 831-854



Data are given on 97 species of aphids, 263 species of Lepidoptera and 111 species of birds that were sampled at up to 210 sites (mainly in the UK) for up to 15 years. Aphids were sampled by suction traps in farmland, and moths by light-traps in diverse sites. By analogy with temporal variance, spatial variance (S2S) was used as a measure of spatial stability and in most species was found to be proportional to a fractional power of mean population density (mS).

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Accession: 001030253

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DOI: 10.2307/4230


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