| 来源类型 | Article |
| 规范类型 | 其他 |
| DOI | 10.1046/j.1467-2979.2003.00112.x |
| Fluctuation in stock properties of north-east Arctic cod related to long-term environmental changes. | |
| Godoe OR | |
| 发表日期 | 2003 |
| 出处 | Fish and Fisheries 4 (2): 121-137 |
| 出版年 | 2003 |
| 语种 | 英语 |
| 摘要 | From a historic perspective, the north-east Arctic cod stock, which is found in the Barents SeaSvalbard region, has been the most productive gadoid stock in the Atlantic. Variation in catch has always been large, but during the last 1015 years catch and stock abundance have reached the lowest level on record. Three major causes of variation have been discussed: (i) stock reduction through exploitation; (ii) environmental influences on recruitment; and (iii) species interaction effects on maturation, growth and mortality. In addition, interactions among these three sources might be important. The influence of each specific factor is difficult to evaluate from incidental observations and short-term time series. In this respect, the time series on catches and on biological and environmental information of this stock, which partly extend back to the 19th century, occupy a unique position in comparison to data on most other stocks. |
| 主题 | Adaptive Dynamics Network (ADN) |
| 关键词 | Cod and climate Growth Long-term fluctuation Recruitment Temperature |
| URL | http://pure.iiasa.ac.at/id/eprint/6792/ |
| 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/128192 |
| 推荐引用方式 GB/T 7714 | Godoe OR. Fluctuation in stock properties of north-east Arctic cod related to long-term environmental changes.. 2003. |
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