越冬场

渤海越冬场渔业生物资源量和群落结构的动态特征

Dynamic characteristics of abundance and community structure of fishery species in the overwintering ground of the Bohai Sea

“渔业水域”是指鱼虾类的产卵场、索饵场、越冬场、回游通道和鱼虾贝藻类的养殖场。

" Fishing areas " means spawning grounds , feeding grounds , wintering grounds and migration channels of fish and shrimp as well as aquacultural grounds of fish , shrimp , shellfish and aquatic plants .

10月下旬（底层水温18&19℃）为交尾盛期，11月上旬交尾结束，虾群分散进入越冬场。

The last ten days of October ( bottom water temperature 18-19 ℃) is the peak of spawning season , which ends in the first ten days of November , then the prawn groups disperse and enter the overwintering grounds .

第二章针对目标离散分布和目标集群分布两种情况，以2010年1月黄海鳀越冬场声学调查数据为例，研究了声学数据处理中积分阈的选择和优化问题。

In the second chapter , the methods on the determination and optimization of integration threshold were studied for both scattered target and schooling target using the data collected during the survey of the wintering anchovy in the Yellow Sea in January 2010 .

越冬期土壤温度场及其影响因素初探

Study on Soil Temperature and Effect Factors During Winter and Spring