| 洞庭湖鱼类资源研究进展 |
| |
| 引用本文： | 李杰钦,王德良,丁德明.洞庭湖鱼类资源研究进展[J].安徽农业科学,2013,41(9):3898-3900. |
| |
| 作者姓名： | 李杰钦 王德良 丁德明 |
| |
| 作者单位： | 中南林业科技大学,湖南长沙,410004;湖南省水产研究所,湖南长沙,410000 |
| |
| 基金项目： | 湖南省科技计划课题项目 |
| |
| 摘 要： | 参阅了近50年对洞庭湖鱼类研究的文献资料,对洞庭湖鱼类资源的研究进行了综述。洞庭湖鱼类物种数一般稳定在110～120种,但是近10年来有减少的趋势;洞庭湖的鱼类区系属于长江鱼类区系的一部分,洞庭湖鱼类区系是以第三世纪现代中国平原复合体为主体;洞庭湖鱼产量有逐年下降的趋势,洄游型和半洄游型鱼类数量和所占鱼获物比重急剧下降;洞庭湖主要经济鱼类个体低龄化、小型化。最后,分析了鱼类资源衰退的主要因素并提出保护对策。
|
| 关 键 词： | 鱼类资源 鱼类区系 洄游 洞庭湖 |
Research Progress of Fish Resources in Dongting Lake |
| |
| Institution: | LI Jie-qin et al ( Central South University of Forestry ＆ Technology, Changsha, Hunan 410004) |
| |
| Abstract: | Consulting a large number of materials, documents of fish resource in Dongting Lake in recent 50 years, the main results were giv- en as follows： The number of fish species are basically in 110 -120, but there is a decreasing trend in recent 10 years; Dongting Lake fish fauna is a part of the Yangzi River fish fauna; The fish production of Dongting Lake decreased gradually; The main economic fish individuals are younger age miniaturization. Finally, the major factors of fish resource decline were analyzed and several protection countermeasure were put forward. |
| |
| Keywords: | Fish resources Fish fauna Migration Dongting Lake |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
