Maps of sardine and anchovy length distributions in the Bay of Biscay in spri...

The anchovy (Engraulis encrasicolus) and sardine (Sardina pilchardus) populations in the Bay of Biscay are jointly surveyed each year in May since 2000 and in September since...

自2000年起，科研人员每年5月对比斯开湾（Bay of Biscay）内的欧洲鳀（Engraulis encrasicolus）与欧洲沙丁鱼（Sardina pilchardus）种群开展联合调查，且自原文未完整呈现的后续起始时间起，于每年9月同步开展该类调查。