哪吒机器人提醒：
提醒：The Globe and Mail - British Columbia News
【标题】Experts find a way to track onslaught of sea lice
【摘要】dna research at the university of guelph has provided insight into a perplexing environmental problem on british columbia's west coast, where fish farms have been blamed for lice epidemics that have devastated wild salmon stocks.
... (04-09 19:21)
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