摘要
为了明确黑河珍稀水生野生动物国家级自然保护区内秦岭细鳞鲑的主要饵料生物——拉氏鱥的种群特征和季节变化规律,采取电赶以及布设小型粘网的方式进行拉氏鱥标本采集和基础数据收集。研究结果显示,共捕获拉氏鱥795尾,拉氏鱥的资源量呈8月>4月>12月的特征。3次采样中,所有采样点溪流中都发现拉氏鱥,其体型较小但数量较多。
Lagowskiella lagowskii is the main bait organism for Brachymystax lenok tsinlingensis in National Natural Reserves of Rare Aquatic Wildlife of Heihe River,this paper is to clarify the population characteristics and seasonal variation of Lagowskiella lagowskii.We mainly drived by electricity and set up small fishing nets to carry out the specimen and basic data collection.The resulted showed that the total amount of Lagowskiella lagowskii was 795.As the resource,the largest quantity of Lagowskiella lagowskii was in August,and the quantity in April was more than that in December.In the three samples,Lagowskiella lagowskii were found in all the sampling points,they were smaller in body but were more in number.
作者
苟妮娜
靳铁治
张建禄
边坤
王开锋
GOU Nina;JIN Tiezhi;ZHANG Jianlu;BIAN Kun;WANG Kaifeng(Shaanxi Key Laboratory for Animal Conservation,Shaanxi Institute of Zoology,Xi’an 710032,China)
出处
《西北农业学报》
CAS
CSCD
北大核心
2018年第9期1258-1264,共7页
Acta Agriculturae Boreali-occidentalis Sinica
基金
陕西省科学院科技计划(2018K-10)
陕西省重点研发计划(2017SF-395)
陕西省科学院科技计划(2013K-01)
陕西省自然科学基础研究计划(2018JM3037)。
关键词
黑河
拉氏鱥
鱼类资源
季节变化
Heihe river
Lagowskiella lagowskii
Fish resource
Seasonal change
