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Coefficient de diffusion acoustique par mille nautique (NASC) attribué à la s...

B2FIND2026-03-19 收录

渔业声学调查

鱼类资源评估

数据链接：

https://b2find.eudat.eu/dataset/c313992f-260d-547a-9084-7fc1ae502712 数据链接链接失效反馈

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资源简介：

Cette carte présente les valeurs du coefficient de diffusion acoustique par mille nautique (NASC ; nautical area scattering coefficient) attribué à la sardine (Sardina...

应用场景：

渔业声学调查

声学反向散射

This record describes ME 70 scientific multibeam fisheries echosounder data collected on RV Investigator voyage IN2017_E03, Equipment Commissioning Sea Trials, which departed Brisbane on the 20th Augu

Research Data Australia50

Spatially explicit estimates of length and biomass of Clupea harengus (Norwegian spring spawning herring) from acoustic and trawl surveys in the North-East Atlantic in May 2004@en

渔业声学调查

鱼类资源评估

Acoustic estimates of herring and blue whiting abundance were obtained during the surveys using the Simrad ER60 scientific echosounder. The allocation of NASC-values to herring, blue whiting and other

DataONE2026-02-15 更新20

Muddy Creek (2003).

淡水生态监测

鱼类资源评估

Muddy Creek, electro-fishing survey (2003). Type of waterbody: River Variables: Area Fished; Distance fished; EF % range; EF Range; EF current; EF pulse rate; Fish Species

Figshare2022-02-02 更新10

1952 - 1952 Centre for Environment, Fisheries & Aquaculture Science (Cefas) Survey : EHOLT/05/1952 (part of Historic Arctic Survey Series)

海洋生物学

鱼类资源评估

This survey was undertaken by Cefas as part of the Historic Arctic Survey Series; *Gadus morhua* (Atlantic Cod) stocks in the Barents Sea are currently at levels not seen since the 1950s. Causes...

data.gov.uk2020-09-16 更新30

Norfish French North East Atlantic Cod Fishery 1520–1829

历史渔业统计

鱼类资源评估

The French cod fishery “may” be sourced as early as the 12th century when Basques crossed the Atlantic in search of whales. In the 15th century, following the Basques, Bretons and Normans were active

Figshare2021-07-07 更新10

Coefficient de diffusion acoustique par mille nautique (NASC) attribué à la s...

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