Associational resistance in a multiple herbivore system: differential effects of mammal versus insect herbivores

作者: E. P. Axelsson , J. A. Stenberg

DOI: 10.1007/S11284-012-0985-X

关键词:

摘要: Recent studies have suggested that associational resistance (AR) should be more effective in protecting plants from grazing by mammals than herbivorous insects. We tested this hypothesis a multiple-herbivore system comparing herbivory on, and reproductive success of, fireweed growing within meadowsweet stands with fireweeds outside abandoned fields Northern Sweden. showed mediates AR against shared mammal grazers, but not insect herbivores. The risk of being browsed when the absence was at least double (41 % affected) patches (17.5 affected). also whereas browsing had negative effect on performance, negligible. Our results support is

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