| 来源类型 | Article |
| 规范类型 | 其他 |
| DOI | 10.1111/j.1752-4571.2009.00081.x |
| Quantifying selection differentials caused by recreational fishing: Development of modeling framework and application to reproductive investment in pike (Esox lucius). | |
| Arlinghaus R; Matsumura S; Dieckmann U | |
| 发表日期 | 2009 |
| 出处 | Evolutionary Applications 2 (3): 335-355 |
| 出版年 | 2009 |
| 语种 | 英语 |
| 摘要 | Methods for quantifying selection pressures on adaptive traits affected by size-selective fishing are still scarce, and none have as yet been developed for recreational fishing. We present an ecologically realistic age-structured model specifically tailored to recreational fishing that allows estimating selection differentials on adaptive life-history traits. The model accounts for multiple ecological feedbacks, which result in density-dependent and frequency-dependent selection. We study selection differentials on annual reproductive investment under size-selective exploitation in a highly demanded freshwater recreational fish species, northern pike ([[Esox lucius]] L.). We find that recreational angling mortality exerts positive selection differentials on annual reproductive investment, in agreement wit predictions from life-history theory. The strength of selection increases with the intensity of harvesting. We also fid that selection on reproductive investment can be reduced by implementing simple harvest regulations such as minimum-size limits. The general, yet computationally simple, methods introduced here allow evaluating and comparing selection pressures on adaptive traits in other fish populations and species, and thus have the potential to become a tool for evolutionary impact assessment of harvesting. |
| 主题 | Evolution and Ecology (EEP) |
| 关键词 | Angling Fisheries-induced evolution Life history Minimum-size limit Size-selective exploitation |
| URL | http://pure.iiasa.ac.at/id/eprint/8823/ |
| 来源智库 | International Institute for Applied Systems Analysis (Austria) |
| 引用统计 | |
| 资源类型 | 智库出版物 |
| 条目标识符 | http://119.78.100.153/handle/2XGU8XDN/128901 |
| 推荐引用方式 GB/T 7714 | Arlinghaus R,Matsumura S,Dieckmann U. Quantifying selection differentials caused by recreational fishing: Development of modeling framework and application to reproductive investment in pike (Esox lucius).. 2009. |
| 条目包含的文件 | ||||||
| 文件名称/大小 | 资源类型 | 版本类型 | 开放类型 | 使用许可 | ||
| Arlinghaus_et_al-200（265KB） | 智库出版物 | 限制开放 | CC BY-NC-SA | 浏览 | ||
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