Species and habitats - Spondyliosoma cantharus - Age 1+ - Recurrence, (CGFS 1...

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推移的变异性，被划分为罕见、偶见、常见与反复出现四类。