1.
Hydroacoustic assessment of fish resources in the Lake Qinghai with EY60 echosounder
EY60回声探测仪在青海湖鱼类资源量评估中的应用
2.
deplete a lake of fish
使湖中的鱼类资源枯竭
3.
Study of a Method for Estimating Fish Natural Mortality Coefficient Based on Catch and Abundance Index
一种基于渔获量和资源量指数求算鱼类自然死亡系数方法的研究
4.
The situation of fish resources and selection of releasing fishes in Heilongjiang drainage basin
黑龙江流域鱼类资源现状及放流鱼类选择
5.
because fish are a much needed food resource.
因为鱼类是更为需要的食物资源。
6.
Studies on the Fisheries Resources and Fish Stocking Model of Wuhu Lake;
武湖渔业资源及鱼类放养模式的研究
7.
A Preliminary Investigation on Fish-District and the Existing State of Resources of Jinhua-River;
金华江鱼类区系和资源状况初步调查
8.
Investigation on Fish Resources and Analysis of Species Diversity in Lijiang River
漓江鱼类资源调查及物种多样性分析
9.
Investigation of Fish Resources in Hechi Prefecture of Guangxi Province,with Comparison of Fish Biodiversity Between Two Tributaries
广西河池地区鱼类资源调查及两支流的鱼类多样性比较
10.
EVERYBODYknows that global fish stocks are heading for collapse.
人人都知道全球的鱼类资源正面临枯竭的威胁。
11.
Acoustic assessment of commercial fish resources in the northern waters of South China Sea
南海北部海域重要经济鱼类资源声学评估
12.
Some advice on conservation and utilization of fish resource is offered.
就骆马湖鱼类资源的保护和利用,提出几点建议。
13.
Studies on Fishery Resources in the Three Gorges of the Yangtze River;
长江三峡库区蓄水后鱼类资源现状的研究
14.
An Investigation of Resources of Economic Fish in Meizhou and an Analysis of Fishery Condition
梅州经济鱼类的资源调查及渔业状况分析
15.
Ecological Protection of Fishery Resources Based on Development of Hydropower in Yalona River
水电开发背景下雅砻江鱼类资源的生态保护
16.
Suggestion on Reasons and Countermeasures for Fishery Resources to Decline of Liuchong River
六冲河鱼类资源衰退的原因与对策建议
17.
Survey of Fishery Resources in Xingkai Lake and its Protection Strategy
中国兴凯湖鱼类资源调查及保护策略研究
18.
China has the world's richest freshwater fish resources, totalling over 700 species, including 40 to 50 species of major cash fish.
中国淡水鱼资源居世界之首, 淡水鱼类有七百多种, 主要经济鱼类有四五十种。