Spatially explicit estimates of length and biomass of Clupea harengus (Norweg...
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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,...
本次调查期间,研究人员采用Simrad ER60科学回声测深仪,获取了鲱鱼与蓝鳕种群丰度的声学估测数据。将NASC值(Net Area Backscattering Cross Section)分配至鲱鱼的相关工作……



