Large numbers of sea lions and dolphins wash ashore, harmful algae grow offshore California, USA
米カリフォルニア州南部の海岸に、死んだり具合が悪くなったりしたアシカやイルカが大量に打ち上げられています
Hundreds of dead or sick sea lions and dolphins washed up on southern California coast
Dolphins and sea lions have washed up on beaches ranging from Santa Barbara to San Diego County, with more than 1,000 calls from tourists and residents in recent weeks.
海洋生物の専門家によると、まだ確認はされていないものの、アシカやイルカの被害は同地の沖合いで繁殖している有毒藻類が原因とみられます
Although not yet confirmed, the sea lions and dolphins are likely to have been caused by toxic algae growing offshore, marine life experts say.
この種の藻類はドウモイ酸という神経毒を生成し、海鳥や魚が食べると毒になります
This type of algae produces a neurotoxin called domoic acid that is toxic to seabirds and fish when eaten.
The venom can travel through the food chain to poison large mammals such as dolphins and sea lions, as well as humans.
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