Connectivity and Management of Caribbean Coral Reefs

Author:

Roberts Callum M.1

Affiliation:

1. Environment Department, University of York, York YO1 5DD, UK.

Abstract

Surface current patterns were used to map dispersal routes of pelagic larvae from 18 coral reef sites in the Caribbean. The sites varied, both as sources and recipients of larvae, by an order of magnitude. It is likely that sites supplied copiously from “upstream” reef areas will be more resilient to recruitment overfishing, less susceptible to species loss, and less reliant on local management than places with little upstream reef. The mapping of connectivity patterns will enable the identification of beneficial management partnerships among nations and the design of networks of interdependent reserves.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference38 articles.

1. G. W. Boehlert in Reef Fisheries N. V. C. Polunin and C. M. Roberts Eds. (Chapman & Hall London 1996) pp. 61–84.

2. Major surface current patterns in the wider Caribbean are well understood and have been modeled at a regional scale (G. A. Maul and C. N. K. Mooers Eds. Circulation of the Intra-Americas Sea: Abstracts Chapman Conference of the American Geophysical Union La Parguera Puerto Rico January 1995). These currents play a key role in facilitating connections among populations of marine organisms in different areas. Local and nearshore current patterns are much more variable and less well known ( ibid. ) but it is into these currents that eggs and larvae are first released. However nearshore patterns have been described for many parts of the region and these descriptions were used to supplement data on large-scale flows. Figure 1A shows current patterns compiled from the following sources: J. T. Bracks Bull. Mar. Sci. 21 455 (1971)

3. R. K. Cowen and L. R. Castro ibid. 54 228 (1994)

4. J. Darbyshire I. Bellamy B. Jones Cayman Islands Natural Resources Study Part III: Results of the Investigations into the Physical Oceanography (Ministry of Overseas Development London 1976)

5. C. P. Duncan S. G. Schladow W. G. Williams Int. Hydrogr. Rev. 59 67 (1982);

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