期刊
CORAL REEFS
卷 34, 期 2, 页码 403-417出版社
SPRINGER
DOI: 10.1007/s00338-014-1244-0
关键词
Intra-American Sea; Connectivity; Large-scale circulation
资金
- NSF [OCE 1029841]
- Directorate For Geosciences
- Division Of Ocean Sciences [1029841] Funding Source: National Science Foundation
- Directorate For Geosciences
- Division Of Ocean Sciences [1155609] Funding Source: National Science Foundation
A major challenge in marine ecology is to describe patterns of larval dispersal and population connectivity, as well as their underlying processes. We re-assessed broad-scale population connectivity with a focus on the 18 coral reef hot spots in the Intra-American Seas described in Roberts (Science 278:1454-1457, 1997), by including seasonal and inter-annual variability in potential larval dispersal. While overall dispersal patterns were in agreement with previous findings, further statistical analyses show that dispersal patterns driven by mean circulation initially described by Roberts (Science 278:1454-1457, 1997) can significantly underestimate particle connectivity envelopes. The results from this study indicate that seasonal and inter-annual variability in circulation are crucial in modulating both dispersal distance and directional anisotropy of virtual larvae over most coral reef sites and that certain larval hotspots are likely more strongly connected than originally thought. Improved larval dispersal transport envelopes can enhance the accuracy of probability estimates which, in turn, may help to explain episodic larval settlement in certain times and places, and guide spatial management such as marine protected areas.
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