Species and habitats - Spondyliosoma cantharus - Age 0 - Recurrence, (CGFS 19...

Species habitat occupation has been expressed as rare, occasional, frequent, recurrent depending on density levels and variability over time.物种栖息地占用（Species habitat occupation）可依据种群密度水平及随时间变化的波动特征，被划分为稀有、偶见、常见、频发四类。