国 | Norway | エコシステム | Barents Sea |
現場 | western Barents Sea | Depth | |
導入された | Year Intro. | ||
生命段階 | not specified | unsexed | |
Quantitative | 1017 | Unit | number |
Semi Quantitative | 1000-50000 | Unit | number |
Qualitative | abundant | ||
年 | 2000 - 2000 | 周期 | 1975-2000 |
データ | 20/07/00 - 19/08/00 | Record Type | field sample |
Record Type | field sample | ||
Seasonal | not specified | 方法 | swept area |
意見 | There were 257 trawl hauls during the sampling in the area within 70-76°N and 16-40°E. Campelen 1800 shrimp trawl, with 40-m sweeps ans a cod-end equipped with a 22 mm mesh size inner lining was used. The standard trawling time was 30 mins at 3 knots. At 23 stations however, a towing time of 15 min was employed. |