保安湖主要经济鱼类产卵场调查

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3月底至4月初,当水温超过16℃,水位持续上涨4cm以上时,保安湖鲤鱼第1次集群产卵。鲤产卵场小而分散且极不稳定,以保安口区较大,卵主要附着于“草排”上。缺乏良好的附卵基质是影响保安湖鲤资源增殖的主要因素。鲫在保安湖沿岸均可产卵。保安湖鳜鱼繁殖季节为4月末至7月下旬,产卵场主要在扁担塘区东岸与东北岸以及南岸与主体湖接邻的石坝一线。团头鲂在保安湖尚未形成较大规模的产卵群体,未发现其产卵场。 The end of March to early April, when the water temperature exceeds 16 ℃, the water level continued to rise more than 4cm, the first time Baoan Lake carp spawning. Small and scattered carp spawning ground and very unstable, to protect the mouth area larger, the main egg attached to the “straw” on. Lack of good oviposition matrix is ​​the main factor that affects the conservation of larch resources. Crucian carp Lake can be spawned along the shore. The breeding season for the anchovy lake is from the end of April to the end of July. The spawning grounds are mainly on the east and north-east coasts of the Pindatang area and on the dam line adjacent to the main lake on the south bank. Tuan Tau has not yet formed a large-scale spawning population in Bao’an Lake and no spawning grounds have been found.
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