"SHARK - National Ringed seal monitoring in Sweden since 1995"
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"Data from Swedish environmental monitoring of abundance of Ringed seal. Swedish monitoring of Ringed seals started in 1995. The monitoring program was initiated by the Swedish...
本数据集为瑞典针对环斑海豹（Ringed seal）种群丰度实施的环境监测所得数据。瑞典环斑海豹监测工作始于1995年，该监测计划由瑞典...发起
