Species and habitats - Merlangius merlangus - Age 0 - Recurrence - IBTS Q3 (1...
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Species habitat occupation, observed during the third quarter IBTS from 1980 to 2010, has been expressed as rare, occasional, frequent, recurrent depending on density levels and...
1980年至2010年第三季度国际底层拖网调查（International Bottom Trawl Survey，IBTS）期间观测得到的物种栖息地占用（Species habitat occupation）情况，已依据种群密度水平被划分为稀有、偶见、常见、频发四个等级，划分依据包括种群密度水平及……
