Role of Abiotic Factors in Governing Susceptibility to Invasion : a Test with Argentine Ants

  title={Role of Abiotic Factors in Governing Susceptibility to Invasion : a Test with Argentine Ants},
  author={David A. Holway and Andrew V Suarez and Ted J. Case},
Hypotheses concerning community-level vulnerability to invasion often emphasize biotic interactions but fail to consider fine-scale variation in the physical environment. In this study, the interplay between interspecific competition and abiotic factors is examined with respect to whether scrub habitats in southern California become invaded by the Argentine ant (Linepithema humile). Argentine ants penetrate further into and attain higher abundances in mesic scrub fragments than they do in xeric… CONTINUE READING
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