陆封 land-lock 海产动物生活在与海完全隔离或几乎完全隔离的湖泊中、世世代代在湖泊中完成整个生活史,这种现象称为陆封。这种海产动物称为海产遗留种。日本的Leucopsarion petersi就是其中的一例。此外,对某些回游于海和淡水之间的鱼,由于某种原因而世世代代在淡水中完成整个生活史的现象,一般也常称为陆封。例如大麻哈鱼(Oncorhynchus)、红点鲑(Salvelinus)分别称为各该属的陆封鱼。也有人认为,这种鱼应该为淡水型,而不应为陆封鱼。
由于阿拉伯海北面陆封,所以大规模的洋流对此处作用不大,而季风在此可以大显身手。
Because the Arabian Sea is landlocked to the north, it is less influenced by large-scale ocean circulation and more strongly influenced by the monsoon winds.
预计洄游型香鱼在水库大坝建成后将在飞云江流域消失,但库区中也有可能出现陆封型香鱼种群。
It can be expected that the ayu of migration type will be completely vanish in Feiyun river after building the DAMS across the river.
幻想乡是个被博丽大结界围绕,方圆至少有数十公里以上的陆封区域。不过,在官方资料中并没有提及幻想乡的具体大小。
Gensokyo, the area encompassed by the Hakurei Border, is a landlocked territory at least some tens of kilometers in diameter, although its exact size has not been mentioned in Canon materials.
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