Development of a subtidal epibenthic community: factors affecting species composition and the mechanisms of succession

作者: Denise L. Breitburg

DOI: 10.1007/BF00379215

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摘要: Macroinvertebrate grazers and temporal variability were found to strongly influence species composition of communities that developed subtidally on plexiglas panels. On panels exposed the naturally high densities sea urchins stars, only grazer-resistant algal crusts, a diatom/blue-green film short-lived filamentous algae became abundant. those protected from grazers, however, other sessile invertebrates also common. Both effects grazing abundance individual taxa differed immersed at different times year.Resident affected subsequent recruitment. Some colonists more frequently with established than recently plates. Others abundant younger older Considerable small-scale spatial variation in was among within treatments appeared persist throughout 13 months study.I suggest since interactions determine which mechanisms are important succession occur between individuals (generalized here species), not successional stages, factors such as examined can will interact, indirectly mechnaisms development community. Models deal stages may lack detail neccessary predict or explain changes diverse communities.

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