Spatially explicit estimates of length and biomass of Micromesistius poutasso...
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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,...
本调查期间采用Simrad ER60型科学回声测深仪获取了鲱鱼与蓝鳕资源量的声学估测值。将NASC(Net Area Scattering Coefficient,净面积散射系数)值分配至鲱鱼种群的相关工作……



