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- Title
Hydrodynamics-driven plankton community in a shallow lake.
- Authors
Luciana de Souza Cardoso; David da Motta Marques
- Abstract
Abstract Canonical correspondence analysis (CCA) was used to test the hypothesis that the wind-governed hydrodynamics of a shallow coastal lake is responsible for the spatial and temporal gradients of biotic and abiotic variables. Certain environmental variables, such as turbidity, suspended solids, and water level, formed seasonal spatial gradients in Itapeva Lake, southern Brazil, in response to wind action. Physical variables formed gradients more easily than did most of the plankton community, although the densities of certain species did respond to wind-driven oscillations. The results of this analysis indicate that the spatial and temporal gradients experienced by the physical, chemical, and biological descriptors displayed a characteristic property of this type of wind-driven environment. Moreover, CCA revealed that water dynamics may govern the plankton community of Itapeva Lake.
- Subjects
AQUATIC biology; PLANKTON; HYDRODYNAMICS; SEDIMENTATION &; deposition
- Publication
Aquatic Ecology, 2009, Vol 43, Issue 1, p73
- ISSN
1386-2588
- Publication type
Article
- DOI
10.1007/s10452-007-9151-x