%0 Journal Article %T Hydrological characteristics and fishery resources status of mid-lower Hanjiang River
汉江中下游水文特点与渔业资源状况 %A HE Li %A ZHANG Bin %A LIU Shao-ping %A DUAN Xin-bin %A WANG Xue-guang %A CHEN Da-qing %A
何力 %A 张斌 %A 刘绍平 %A 段辛斌 %A 王雪光 %A 陈大庆 %J 生态学杂志 %D 2007 %I %X Based on the investigation of hydrological characteristics and fishery resources status of mid-lower Hanjiang River,this paper studied the relationships among the hydrology,food organisms,and fishery resources in this region.The results showed that the hydrological status of the mid section of mid-lower Hanjiang River was suitable for the reproduction of floating eggs-laying fish.Because of the hydrological status,the spawning and growth seasons started later in mid-lower Hanjiang River than in the main stream of Yangtze River.From April to June,the hydrological status in the lower section of mid-lower Hanjiang River favored the growth of food organisms.The abundant food organisms provided a good condition for fish growth and reproduction.The age composition of the main economic fish species in the lower section of mid-lower Hanjiang River was quite simple,with small fish as dominant in the population. %K mid-lower Hanjiang River %K hydrological characteristics %K fishery resources %K reproduction %K food organisms
汉江中下游 %K 水文特点 %K 渔业资源 %K 繁殖 %K 饵料生物 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=B04840A985D251F36078BD07A90EF003&aid=3477C24EE39EC19F5D4CCB2F118AD493&yid=A732AF04DDA03BB3&vid=96C778EE049EE47D&iid=708DD6B15D2464E8&sid=DC8E8C328836185A&eid=2326CE64312F50FD&journal_id=1000-4890&journal_name=生态学杂志&referenced_num=0&reference_num=13