期刊
TRENDS IN ECOLOGY & EVOLUTION
卷 28, 期 6, 页码 359-366出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tree.2013.01.018
关键词
biodiversity feedback; biogeography; center of accumulation; center of speciation; ecological opportunity; marine speciation; phylogeography.
资金
- National Science Foundation [OCE-0453167, OCE- 0929031, OCE-0623678]
- University of Hawaii Sea Grant College Program
- Seaver Institute
- National Geographic Society
- NOAA Office of National Marine Sanctuaries
- California Academy of Sciences
- Directorate For Geosciences
- Division Of Ocean Sciences [1260169, 0929031] Funding Source: National Science Foundation
Recent phylogeographic studies have overturned three paradigms for the origins of marine biodiversity. (i) Physical (allopatric) isolation is not the sole avenue for marine speciation: many species diverge along ecological boundaries. (ii) Peripheral habitats such as oceanic archipelagos are not evolutionary graveyards: these regions can export biodiversity. (iii) Speciation in marine and terrestrial ecosystems follow similar processes but are not the same: opportunities for allopatric isolation are fewer in the oceans, leaving greater opportunity for speciation along ecological boundaries. Biodiversity hotspots such as the Caribbean Sea and the Indo-Pacific Coral Triangle produce and export species, but can also accumulate biodiversity produced in peripheral habitats. Both hotspots and peripheral ecosystems benefit from this exchange in a process dubbed biodiversity feedback.
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