, Volume 184, Issue 1–2, pp 1–6 | Cite as

Relative importance of temporal and spatial heterogeneity in the zooplankton community of an artificial reservoir

  • Jotaro Urabe


Zooplankton samples were collected monthly at three stations in Ogochi Reservoir during 1980, and the temporal and horizontal variations in the density of dominant taxa were evaluated by a standard 2-way ANOVA with random effects. The analysis revealed that horizontal is greater than temporal variation in the warm water season (> 18 °C), whereas temporal variation is greater in the cold water season (< 18 °C). Horizontal heterogeneity of the zooplankton community found in the warm water season seems to be associated with differences in site-specific conditions.

Key words

reservoir ecology zooplankton community structure spatial heterogeneity temporal variation 


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Copyright information

© Kluwer Academic Publishers 1989

Authors and Affiliations

  • Jotaro Urabe
    • 1
  1. 1.Natural History Museum and InstituteCHIBAChibaJapan

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