Influence of New Zealand cockles (Austrovenus stutchburyi) on primary productivity in sandflat-seagrass (Zostera muelleri) ecotones
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- 作者：Andrew M. Lohrera ; drew.lohrer@niwa.co.nz" class="auth_mail" title="E-mail the corresponding author ; Michael Townsenda ; Sarah F. Hailesa ; Ivá ; n F. Rodila ; b ; c ; Katie Cartnera ; Daniel R. Pratta ; Judi E. Hewitta ; b
- 关键词：Bivalves ; Gross primary production (GPP) ; Intertidal ; Macrofauna ; Nutrient flux ; Species interactions
- 刊名：Estuarine, Coastal and Shelf Science
- 出版年：2016
- 出版时间：5 November 2016
- 年：2016
- 卷：181
- 期：Complete
- 页码：238-248
- 全文大小：1346 K
文摘
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Various habitat types occur as a patchwork on intertidal flats in New Zealand.
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Transitions between cockle beds and seagrass meadows contain both species.
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Transitional gradients in sediment properties and fauna affect nutrient dynamics.
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Cockles have an indirect positive effect on seagrass primary productivity.
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Cockles bioturbate sediment and impact productivity most at intermediate densities.