Coastal oceanography sets the pace of rocky intertidal community dynamics
| Autor: | Michael S. Webster, Tess L. Freidenburg, Heather M. Leslie, Duncan N. L. Menge, Matthew E. S. Bracken, Francis Chan, C. Krenz, R. Russell, Jane Lubchenco, Melissa M. Foley, Bruce A. Menge, Gregory Hudson, Steve Gaines |
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| Jazyk: | angličtina |
| Rok vydání: | 2003 |
| Předmět: |
Marine biology
Multidisciplinary Food Chain Ecology media_common.quotation_subject Community structure Intertidal zone Marine Biology Biology Biological Sciences Plankton Invertebrates Models Biological Competition (biology) Rocky shore Disturbance (ecology) Predatory Behavior Upwelling Animals Ecosystem media_common New Zealand |
| Popis: | The structure of ecological communities reflects a tension among forces that alter populations. Marine ecologists previously emphasized control by locally operating forces (predation, competition, and disturbance), but newer studies suggest that inputs from large-scale oceanographically modulated subsidies (nutrients, particulates, and propagules) can strongly influence community structure and dynamics. On New Zealand rocky shores, the magnitude of such subsidies differs profoundly between contrasting oceanographic regimes. Community structure, and particularly the pace of community dynamics, differ dramatically between intermittent upwelling regimes compared with relatively persistent down-welling regimes. We suggest that subsidy rates are a key determinant of the intensity of species interactions, and thus of structure in marine systems, and perhaps also nonmarine communities. |
| Databáze: | OpenAIRE |
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