The Central Role of Dispersal in the Maintenance and Persistence of Seagrass Populations

被引：248

作者：

Kendrick, Gary A. ^{[1
]}

Waycott, Michelle ^{[2
]}

Carruthers, Tim J. B. ^{[3
]}

Cambridge, Marion L. ^{[1
]}

Hovey, Renae ^{[1
,4
,10
]}

Krauss, Siegfried L. ^{[5
]}

Lavery, Paul S. ^{[6
,7
]}

Les, Donald H. ^{[8
]}

Lowe, Ryan J. ^{[1
,10
]}

Mascaro I Vidal, Oriol ^{[9
]}

Ooi, Jillian L. S. ^{[1
,10
,11
]}

Orth, Robert J. ^{[12
,13
]}

Rivers, David O. ^{[1
]}

Ruiz-Montoya, Leonardo ^{[1
,4
]}

Sinclair, Elizabeth A. ^{[5
]}

Statton, John ^{[1
]}

van Dijk, Jent Kornelis ^{[14
]}

Verduin, Jennifer J. ^{[15
]}

机构：

[1] Univ Western Australia, Oceans Inst, Sch Plant Biol, Crawley, WA, Australia

[2] Univ Adelaide, Sch Earth & Environm, Adelaide, SA 5005, Australia

[3] Univ Maryland, Ctr Environm Sci, Integrat & Applicat Network, Cambridge, England

[4] Univ Western Australia, Sch Earth & Environm, Crawley, WA, Australia

[5] Bot Gardens & Pk Author, Kings Pk & Bot Garden, Perth, WA, Australia

[6] Edith Cowan Univ, Ctr Marine Ecosyst Res, Joondalup, WA, Australia

[7] Edith Cowan Univ, Sch Nat Sci, Joondalup, WA, Australia

[8] Univ Connecticut, Dept Ecol & Evolutionary Biol, Storrs, CT USA

[9] Univ Barcelona, Dept Ecol, E-08007 Barcelona, Spain

[10] Univ Western Australia, Sch Earth & Environm, Crawley, WA, Australia

[11] Univ Malaya, Dept Geog, Kuala Lumpur, Malaysia

[12] Coll William & Mary, Sch Marine Sci, Gloucester Point, VA USA

[13] Coll William & Mary, Virginia Inst Marine Sci, Gloucester Point, VA 23062 USA

[14] James Cook Univ, Sch Marine & Trop Biol, Townsville, Qld, Australia

[15] Murdoch Univ, Sch Environm Sci, Perth, WA, Australia

来源：

BIOSCIENCE | 2012年 / 62卷 / 01期

基金：

澳大利亚研究理事会;

关键词：

seagrass; long-distance dispersal; microsatellite DNA diversity; pollen; seed; LONG-DISTANCE DISPERSAL; ZOSTERA-MARINA; POSIDONIA-OCEANICA; GENETIC-STRUCTURE; CYMODOCEA-NODOSA; SEED DISPERSAL; PROPAGULE DISPERSAL; POLLEN; POLLINATION; ANGIOSPERM;

D O I：

10.1525/bio.2012.62.1.10

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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.

引用

页码：56 / 65

页数：10

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