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当前位置: 首页 > 文章 > 4种高原裂腹鱼类对水流和底质的趋性研究 安徽农业科学 2020 (9) 117-120+124
Position: Home > Articles > A Preference Study on the Four Species of Plateau Schizothorax to Flow and Sediment Journal of Anhui Agricultural Sciences 2020 (9) 117-120+124

4种高原裂腹鱼类对水流和底质的趋性研究

作  者：
姜昊;陆波;蔡跃平
单  位：
水电水利规划设计总院
关键词：
裂腹鱼类;感应流速;底质;趋性;诱鱼
摘  要：
通过开展异齿裂腹鱼、拉萨裸裂尻、拉萨裂腹鱼和巨须裂腹鱼对水流和底质的趋性试验,测定4种裂腹鱼感应流速,获得其对不同粒径大小底质的偏好,以期为高原鱼道进口诱鱼措施的设计提供参考。结果表明:在11.3～15.2℃条件下,4种裂腹鱼相对感应流速范围和均值分别为0.26～0.49(0.37)、0.39～0.61(0.45)、0.26～0.46(0.37)、0.19～0.50(0.33)BL/s。异齿裂腹鱼和拉萨裸裂尻趋性在流速为0.07和0.42 m/s时偏好底质粒径为5～7 cm的卵石;拉萨裂腹鱼和巨须裂腹鱼在流速为0.42 cm/s时偏好底质粒径为9～13 cm的卵石。因此,以这4种裂腹鱼类为主要过鱼对象的鱼道进口设计流速至少应大于0.45 BL/s,使鱼类能感应到进口流速而上溯;将5～13 cm粒径的卵石作为鱼道入口和槽身底部的铺装材料,以达到诱鱼的目的。
译  名：
A Preference Study on the Four Species of Plateau Schizothorax to Flow and Sediment
作  者：
JIANG Hao;LU Bo;CAI Yue-ping;China Renewable Energy Engineering Institute;Power China Eco Environmental Technology Co.,Ltd.;
关键词：
Schizothorax;;Induced velocity;;Sediment;;Preference;;Fish lure
摘  要：
In order to provide reference for the design of fish luring measures at the entrance of the plateau fishway,this study carried out the experiments on the water flow and sediment of four species of Schizothorax,including Schizothorax oconnori, Schizothorax waltoni,Schizothorax macropogon and Schizopygopsis younghusbandi.The results showed that:under the condition of 11.3～15.2 ℃,the range and mean of relative induced velocity of four kinds of Schizothorax were 0.26～0.49(0.37),0.39～0.61(0.45),0.26～0.46(0.37),0.19～0.50(0.33) BL/s,respectively. When the velocity of flow was 0.07 and 0.42 m/s,the fish preferred pebbles with bottom plasmid diameter of 5-7 cm.When the velocity of flow was 0.42 cm/s,the fish preferred pebbles with bottom plasmid diameter of 9-13 cm.Therefore,the design flow velocity at the entrance of the fishway with the four kinds of Schizothorax fish as the main passing objects should be at least greater than 0.45 BL/s,so that the fish can sense the flow velocity at the entrance and trace upward.The pebbles with the particle size of 5-13 cm were used as the paving materials at the entrance of the fishway and the bottom of the groove body in order to achieve the purpose of attracting fish.

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