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these warmer conditions have reportedly led to increased colonization by plants in certain areas and to a decline in sea ice, which could be responsible for a considerable drop in antarctic krill.
据报,气候转暖使某些地区的植物群落扩大,海冰减少,这可能是南极磷虾大幅度减少的原因。
65. antarctic krill (euphausia superba) is considered underexploited because catches are well below the precautionary catch limit established by ccamlr.
65. 南极大火燐虾(euphausia superba)被认为低度开发,因为渔获量远远低于南极海生委规定的限量。
197. antarctic marine biodiversity is characterized by a short food chain from primary production to the top predators, the small number of species involved and high dependence on a single species, krill.
197. 南极海洋生物多样性的特点是:从初级生产量到最高一级捕食动物之间的食物链很短、生存的物种较少、以及高度依赖磷虾这一单一物种。
but what makes the ross sea important is the vast sea of pack ice that in the spring and summer provides a wealth of phytoplankton and krill that supports what, till recently, has been a virtually intact near-shore ecosystem.
但是罗斯海如此重要 是因为广袤海域由浮冰构成。 浮冰在春季和夏季 提供养分给浮游生物和磷虾。 直到近年它们仍支持着 一个完整的 近海生态系统。
key species are antarctic krill, antarctic rock cod, antarctic toothfish, crabs, mackerel icefish, patagonian toothfish, sevenstar flying squid and sub-antarctic lantern fish.
重要物种有南极磷虾、南极石斑、鳞头犬牙南极鱼、螃蟹、鳄头冰鱼、小鳞犬牙南极鱼、七星飞乌贼和亚南极灯笼鱼。