Assumptions behind size-based ecosystem models are realistic

被引：30

作者：

Andersen, Ken H. ^{[1
]}

Blanchard, Julia L. ^{[2
]}

Fulton, Elizabeth A. ^{[3
]}

Gislason, Henrik ^{[1
]}

Jacobsen, Nis Sand ^{[1
]}

van Kooten, Tobias ^{[4
]}

机构：

[1] Tech Univ Denmark, Ctr Ocean Life, Natl Inst Aquat Sci, Jaegersborg Alle 1, DK-2920 Charlottenlund, Denmark

[2] Univ Tasmania, Inst Marine & Antarctic Studies, 20 Castray Esplanade, Battery Point, Tas 7004, Australia

[3] CSIRO Oceans & Atmosphere, GPO Box 1538, Hobart, Tas 7001, Australia

[4] Inst Marine Res & Ecosyst Studies IMARES, POB 68, NL-1970 AB Ijmuiden, Netherlands

来源：

ICES JOURNAL OF MARINE SCIENCE | 2016年 / 73卷 / 06期

关键词：

balanced harvesting; cohort biomass; size-spectrum model; MARINE ECOSYSTEMS; BODY-SIZE; FISH; FISHERIES; CONSTRAINTS; COMMUNITY; SPECTRA;

D O I：

10.1093/icesjms/fsv211

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

A recent publication about balanced harvesting (Froese et al., ICES Journal of Marine Science; 73:1640-1650) contains several erroneous statements about size-spectrum models. We refute the statements by showing that the assumptions pertaining to size-spectrum models discussed by Froese et al. are realistic and consistent. We further show that the assumption about density-dependence being described by a stock recruitment relationship is responsible for determining whether a peak in the cohort biomass of a population occurs late or early in life. Finally, we argue that there is indeed a constructive role for a wide suite of ecosystem models to evaluate fishing strategies in an ecosystem context.

引用

页码：1651 / 1655

页数：5

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