Marine Biology

, Volume 21, Issue 2, pp 122-126

Long-term variability in the structure of subtidal benthic communities in Puget Sound, Washington, USA

  • U. LieAffiliated withBiological Station Espegrend
  • , R. A. EvansAffiliated withBiological Station Espegrend

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Data on benthic infauna from 4 permanent stations in Puget Sound off Seattle, USA, collected during 1963–1964, 1967, and 1969, revealed considerable stability in numbers of species and specimens and in diversity within stations among sampling dates. The species composition of the faunal assemblages also remained rather constant during the period of investigation, but the relative dominance among the numerically important species varied somewhat. Biomass data did not differ significantly in 1964 and 1969, but the 1967 data were considerably lower at all stations.