Optimal wind patterns for biological production in shelf ecosystems driven by coastal upwelling

被引：19

作者：

Yokomizo, Hiroyuki ^{[1
,2
,3
]}

Botsford, Louis W. ^{[4
]}

Holland, Matthew D. ^{[2
]}

Lawrence, Cathryn A. ^{[5
]}

Hastings, Alan ^{[2
]}

机构：

[1] Natl Inst Environm Studies, Res Ctr Environm Risk, Tsukuba, Ibaraki 3058506, Japan

[2] Univ Calif Davis, Dept Environm Sci & Policy, Davis, CA 95616 USA

[3] CSIRO Sustainable Ecosyst, St Lucia, Qld 4067, Australia

[4] Univ Calif Davis, Dept Wildlife Fish & Conservat Biol, Davis, CA 95616 USA

[5] Univ Calif Davis, Dept Land Air & Water Resources, Davis, CA 95616 USA

来源：

THEORETICAL ECOLOGY | 2010年 / 3卷 / 01期

基金：

日本学术振兴会;

关键词：

Upwelling; Phytoplankton; Zooplankton; Variable winds; Cross-shelf transport; Mixed layer conveyor model; NORTHERN CALIFORNIA; PLANKTON DYNAMICS; MODEL; EVENTS; SYSTEM; BAY;

D O I：

10.1007/s12080-009-0053-5

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Major upwelling systems around the world provide marine productivity and fishery yield out of proportion to their area. Upwelling winds have the counteracting effects that stronger winds upwell more nutrients to the surface for higher production, but they also transport that production off continental shelves where it may not be consumed by shelf-dwelling species. Because the patterns of wind fluctuations vary in these systems, we determined the conditions for maximal biological production using a simple conveyor belt model. The conditions are that: (1) the average cross-shelf velocity produced by the winds be the value that provides the maximum production with constant winds and (2) that the wind pattern be periodic with period equal to the cross-shelf transport time that results from maximizing production with constant winds. Examination of an example using winds in central California indicated wind patterns optimal for phytoplankton occurred more frequently than those for zooplankton.

引用

页码：53 / 63

页数：11

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