干旱区生态环境知识资源中心(Arid): Mesoscale eddies release pelagic sharks from thermal constraints to foraging in the ocean twilight zone

Arid

DOI	10.1073/pnas.1903067116
	Mesoscale eddies release pelagic sharks from thermal constraints to foraging in the ocean twilight zone
	Braun, Camrin D.1,2,3,5; Gaube, Peter 3; Sinclair-Taylor, Tane H.; Skomal, Gregory B.4; Thorrold, Simon R.2
通讯作者	Braun, Camrin D.
来源期刊	PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
ISSN	0027-8424
出版年	2019
卷号	116 期号:35 页码:17187-17192
英文摘要	Mesoscale eddies are critical components of the ocean's internal weather system. Mixing and stirring by eddies exerts significant control on biogeochemical fluxes in the open ocean, and eddies may trap distinctive plankton communities that remain coherent for months and can be transported hundreds to thousands of kilometers. Debate regarding how and why predators use fronts and eddies, for example as a migratory cue, enhanced forage opportunities, or preferred thermal habitat, has been ongoing since the 1950s. The influence of eddies on the behavior of large pelagic fishes, however, remains largely unexplored. Here, we reconstruct movements of a pelagic predator, the blue shark ( Prionace glauca), in the Gulf Stream region using electronic tags, earth-observing satellites, and data-assimilating ocean forecasting models. Based on > 2,000 tracking days and nearly 500,000 high-resolution time series measurements collected by 15 instrumented individuals, we show that blue sharks seek out the interiors of anticyclonic eddies where they dive deep while foraging. Our observations counter the existing paradigm that anticyclonic eddies are unproductive ocean deserts and suggest anomalously warm temperatures in these features connect surface-oriented predators to the most abundant fish community on the planet in the mesopelagic. These results also shed light on the ecosystem services provided by mesopelagic prey. Careful consideration will be needed before biomass extraction from the ocean twilight zone to avoid interrupting a key link between planktonic production and top predators. Moreover, robust associations between targeted fish species and oceanographic features increase the prospects for effective dynamic ocean management.
英文关键词	remote sensing oceanographic model satellite telemetry marine predator mesopelagic
类型	Article
语种	英语
国家	USA
开放获取类型	Green Submitted, Green Published, hybrid
收录类别	SCI-E
WOS记录号	WOS:000483396800014
WOS关键词	GULF-STREAM RING ; DYNAMIC OCEAN ; FRICTIONAL DECAY ; MOVEMENTS ; PATCHINESS ; MANAGEMENT ; FEATURES ; BIOMASS
WOS类目	Multidisciplinary Sciences
WOS研究方向	Science & Technology - Other Topics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/218183
作者单位	1.Massachusetts Inst Technol Woods Hole Oceanog Ins, Cambridge, MA 02139 USA; 2.Woods Hole Oceanog Inst, Dept Biol, Woods Hole, MA 02543 USA; 3.Univ Washington, Appl Phys Lab, Air Sea Interact & Remote Sensing Dept, Seattle, WA USA; 4.Massachusetts Div Marine Fisheries, New Bedford, MA 02744 USA; 5.Univ Washington, Sch Aquat & Fishery Sci, Seattle, WA 98105 USA
推荐引用方式 GB/T 7714	Braun, Camrin D.,Gaube, Peter,Sinclair-Taylor, Tane H.,et al. Mesoscale eddies release pelagic sharks from thermal constraints to foraging in the ocean twilight zone[J],2019,116(35):17187-17192.
APA	Braun, Camrin D.,Gaube, Peter,Sinclair-Taylor, Tane H.,Skomal, Gregory B.,&Thorrold, Simon R..(2019).Mesoscale eddies release pelagic sharks from thermal constraints to foraging in the ocean twilight zone.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,116(35),17187-17192.
MLA	Braun, Camrin D.,et al."Mesoscale eddies release pelagic sharks from thermal constraints to foraging in the ocean twilight zone".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 116.35(2019):17187-17192.