ประเทศ | Alaska | ระบบนิเวศ | East Bering Sea |
ถิ่นที่อยู่ | Southern Bering Sea | Depth | 50 m |
แนะนำ | Year Intro. | ||
ระยะของช่วงชีวิต | not specified | unsexed | |
Quantitative | 30 | Unit | kg/m2 |
Semi Quantitative | <100 | Unit | kg/m2 |
Qualitative | abundant | ||
ปี | 2004 - 2004 | ระยะเวลา | 2001-present |
วัน | 01/01/04 - 01/12/04 | Record Type | survey |
Record Type | survey | ||
Seasonal | yes | วิธีการ | swept area |
ข้อสังเกต | Quantitative data was extracted from a figure using an online digitization software. Exact date of surveys were not specified. Samples from surface trawls during the fall Bering Sea-Aleutian Salmon International Survey (BASIS). Catch rates of Clupea pallasii pallasii during the BASIS surveys were much higer north of 60 °N latitude than at lower latitudes of the Easten Bering Sea shelf. (Ref. 121517). |