Reef Life Survey Fish Mediterranean sample

This dataset is a Mediterranean subset of the GLobal reef fish dataset
who contains records of bony fishes and elasmobranchs collected by Reef
Life Survey (RLS) divers along 50m transects on shallow rocky and coral
reefs, worldwide. Abundance information is available for all records
found within quantitative survey limits (50 x 5 m swathes during a
single swim either side of the transect line, each distinguished as a
Block), and out-of-survey records are identified as presence-only
(Method 0). Although surveys are undertaken as part of monitoring
programs at particular locations (mostly in Australia), this dataset
contains does not include repeat surveys of sites.

本数据集为全球礁鱼数据集（Global reef fish dataset）的地中海子集。该数据集包含由礁生命调查（Reef Life Survey, RLS）潜水员在全球浅海岩礁与珊瑚礁的50米样带上采集的硬骨鱼与软骨鱼记录。所有处于定量调查范围内（沿样带线两侧单次巡游形成的50×5米区块（Block））的记录均配有丰度信息；调查范围外的记录则被标记为仅存在型数据（Method 0）。尽管这些调查原本是部分特定地点（多位于澳大利亚）的监测项目的组成部分，但本数据集未包含同一监测点的重复调查记录。