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Coastal-marine discontinuities and synergisms: implications for biodiversity conservation

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Coastal-marine biodiversity conservation must focus increasingly at the level of the land- and seascape. Five cases illustrate discontinuities and synergisms and how system changes may take place. For Caribbean coral reefs, the result of overfishing and disease has been a ‘shrinkage’ in the entire system, the effects of which may cascade through the coastal seascape. For Beringia, patterns of benthic diversity are best understood in a manner that matches the multiscale, integrated dynamics of weather, ice, marine mammal feeding, and community structure. In the case of US East Coast estuaries, oyster reefs may be keystone elements, with important effects on functional diversity. Large-scale coastal systems depend upon the connectivity of fresh and marine waters in the coastal zone, having implications for the apparent stochasticity of coastal fisheries. And, for a coastal barrier-lagoon site, a state change may be described in terms of a combination of succession, the attainment of a quasi-equilibrium state, and disturbance. A profound problem for conservation is that there is very little information about the relationship between species diversity and ecological function. Coastal-marine biodiversity conservation is best addressed at the level of the land- and seascape.

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  1. Department of Environmental Sciences, Clark Hali, University of Virginia, 22903, Charlottesville, VA, USA

    G. Carleton Ray

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Carleton Ray, G. Coastal-marine discontinuities and synergisms: implications for biodiversity conservation. Biodivers Conserv 5, 1095–1108 (1996). https://doi.org/10.1007/BF00052719

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