Benthic–Pelagic Links along the Atlantic Canadian Coast

Ricardo A. Scrosati; Julius A. Ellrich

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Benthic–Pelagic Links along the Atlantic Canadian Coast

机译：加拿大大西洋沿岸的底栖—远古联系

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Benthic rocky intertidal species are irregularly distributed along marine coast-lines. Nearshore pelagic conditions often explain such variation, but such studieshave overwhelmingly been done on eastern ocean boundary coasts. We inves-tigated the Atlantic coast of Nova Scotia, a western ocean boundary coast. Westudied wave- exposed, rocky intertidal habitats spanning 415 km of coastline. Thespring recruitment of barnacles and mussels (the two main filter- feeders) variedirregularly along the coast. Coastal phytoplankton, particulate organic carbon, andsea surface temperature explained, to varying degrees, the geographic structureof recruitment. In turn, the summer abundance of barnacles and mussels waspositively related to their spring recruitment. Ultimately, predator (dogwhelk)abundance was positively related to the recruitment and/or abundance of barna-cles and mussels (the main prey of dogwhelks). Overall, these data support theoccurrence of benthic–pelagic coupling and bottom- up forcing on this westernocean boundary coast.

机译：底栖岩石潮间带物种沿海洋海岸线不规则分布。近岸中上层条件通常可以解释这种变化，但绝大多数研究是在东部海洋边界海岸进行的。我们研究了新斯科舍省的大西洋海岸，即西部海洋边界海岸。经过研究的波浪暴露的岩石潮间带生境，横跨415公里的海岸线。沿海岸，藤壶和贻贝（两个主要的滤食器）的春季募集不规则。沿海浮游植物，颗粒状有机碳和海面温度在不同程度上解释了征聘的地理结构。反过来，藤壶和贻贝的夏季丰富度与春季招聘有关。最终，捕食者（犬w）的丰度与藤壶和贻贝（犬w的主要猎物）的招募和/或丰度成正相关。总体而言，这些数据支持了该西部海洋边界海岸底栖-上层耦合的发生和自下而上的强迫。

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《Bulletin of the Ecological Society of America》 |2018年第4期|共3页
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Ricardo A. Scrosati; Julius A. Ellrich;
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Benthic–Pelagic Links along the Atlantic Canadian Coast

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