Global S&T Development Trend Analysis Platform of Resources and Environment
Effect from the king- and snow crab on Barents Sea benthos. Results and conclusions from the Norwegian-Russian Workshop in Tromsø 2010 | |
Jørgensen, Lis Lindal; Spiridonov, Vassily | |
2013 | |
出版年 | 2013 |
语种 | 英语 |
国家 | 挪威 |
出版者 | Havforskningsinstituttet |
领域 | 气候变化 |
英文摘要 | The king crab move further out in the sea in Russian waters compared to the Norwegian waters. This might have important implications on the distribution of feeding pressure and impact of crabs on benthic communities making them different in different areas. Though the king crab population is still spreading along the coast, the snow-crab population, spreading on the seafloor of the open sea, is expected to increase beyond the standing stock of king crab. The king crab has a measurable effect from foraging on large visible sea stars, brittle stars and bivalves and preferable prey will decrease while species, not preferred, will become dominant together with “hide or flight” bottom animals. Some areas show sign of almost extinction of large prey, and borrowing fauna inside the sediment might have decreased due to the foraging from the crab, and consequently left the sediment environment low in oxygen. Areas with refuge still have high biodiversity. |
英文关键词 | Barents Sea Barentshavet benthos bentos introduced species introduserte arter king crab kongekrabbe snow crab snøkrabbe VDP::Mathematics and natural science: 400::Zoology and botany: 480::Marine biology: 497 VDP::Mathematics and natural science: 400::Zoology and botany: 480::Ecology: 488 |
URL | 查看原文 |
来源平台 | Center for International Climate and Environmental Research-Oslo (CICERO) |
文献类型 | 科技报告 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/1821 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Jørgensen, Lis Lindal,Spiridonov, Vassily. Effect from the king- and snow crab on Barents Sea benthos. Results and conclusions from the Norwegian-Russian Workshop in Tromsø 2010:Havforskningsinstituttet,2013. |
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