产卵场是指鱼虾贝等交配、产卵、孵化及育幼的水域,是水生生物生存和繁衍的重要场所,对渔业资源补充具有重要作用。
产卵前,亲鱼群集产卵场 (spawning ground),一般在下雨天于微流水的浅滩或较浅处的水草丛中产卵,产卵多在夜间进行。鳜雄鱼1龄成熟,成熟最小个体长15.6cm,体重78g。
基于78个网页-相关网页
产卵场所 spawning ground ; spawning place
鱼的产卵场 spawning ground
人工产卵场 artificial spawning ground ; kuenstlicher laichplatz ; sztuczne tarlisko ; aree di ovideposizione artificiale
鱼类产卵场 fishing spawning area
沿海产卵场 inshore spawning ground
鳀鱼产卵场 Anchovy Spawning Ground
鱼产卵场 spawning site for fish
中华鲟产卵场 Chinese sturgeon spawning ground
The riverbed topography of Huyatan spawning area was very different from the perfect spawning area. Maybe it was one of important reasons why A. sinensis did not spawn there every year.
虎牙滩产卵场的河床地形与理想产卵场的相似度较差,这可能就是中华鲟为何不能每年在此产卵的重要原因。
参考来源 - 中华鲟自然繁殖的非生物环境·2,447,543篇论文数据,部分数据来源于NoteExpress
安吉利斯港的木材和造纸厂也封锁了通往上游产卵场的通道。
The lumber and paper mills in Port Angeles also block access to upstream spawning beds.
海洋旅游资源十分丰富,是世界仅存的大黄鱼产卵场。
Sea travel resource is rich here, for example, it is the only spawning field of big yellow-fin tuna in the world.
渔业水域,是指鱼虾类的产卵场、索饵场、越冬场、洄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 fishes and shrimps , and the mariculture waters of fishes, shrimps shellfishes and algae.
应用推荐