The central role of dispersal in the maintenance and persistence of seagrass populations
Verduin, Jennifer J., Van Dijk, Jent Kornelis, Kendrick, Gary A., Waycott, Michelle, Carruthers, Tim J. B., Cambridge, Marion L., Hovey, Renae, Krauss, Siegfried L., Lavery, Paul S., Les, Donald H., Lowe, Ryan J., Mascaro I Vidal, Oriol, Ooi, Jillian L. S., Orth, Robert J., Rivers, David O., Ruiz-Montoya, Leonardo, Sinclair, Elizabeth A., and Statton, John (2012) The central role of dispersal in the maintenance and persistence of seagrass populations. Bioscience, 62 (1). pp. 56-65.
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Global seagrass losses parallel significant declines observed in corals and mangroves over the past 50 years. These combined declines have resulted in accelerated global losses to ecosystem services in coastal waters. Seagrass meadows can be extensive (hundreds of square kilometers) and long-lived (thousands of years), with the meadows persisting predominantly through vegetative (clonal) growth. They also invest a large amount of energy in sexual reproduction. In this article, we explore the role that sexual reproduction, pollen, and seed dispersal play in maintaining species distributions, genetic diversity, and connectivity among seagrass populations. We also address the relationship between long-distance dispersal, genetic connectivity, and the maintenance of genetic diversity that may enhance resilience to stresses associated with seagrass loss. Our reevaluation of seagrass dispersal and recruitment has altered our perception of the importance of long-distance dispersal and has revealed extensive dispersal at scales much larger than was previously thought possible.
|Item Type:||Article (Refereed Research - C1)|
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|Keywords:||seagrass, long-distance dispersal, microsatellite DNA diversity, pollen, seed|
|FoR Codes:||06 BIOLOGICAL SCIENCES > 0604 Genetics > 060411 Population, Ecological and Evolutionary Genetics @ 100%|
|SEO Codes:||96 ENVIRONMENT > 9699 Other Environment > 969999 Environment not elsewhere classified @ 100%|
|Deposited On:||29 Jun 2012 02:11|
|Last Modified:||18 Oct 2013 01:32|
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