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West Coast waters shift toward productive conditions

机译:西海岸水转向生产性条件

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Burgeoning populations of anchovy and a healthy crop of California sea lion pups reflected improved productivity off parts of the West Coast in 2019. However, lingering offshore heat worked against recovery of salmon stocks and reduced fishing success, a new analysis reports.The California Current Ecosystem Status Report explains that ocean conditions off the West Coast remain unusually variable. This has been the case since the arrival of a major marine heatwave in 2014 known as "the Blob." NOAA's two West Coast laboratories, the Northwest Fisheries Science Center and Southwest Fisheries Science Center, issue the report each year to the Pacific Fishery Management Council."There is not a real clear picture here," said Chris Harvey, co-editor of the report. "On the one hand, we have a lot of anchovy out there. On the other hand, we also have a lot of warm water. That is not usually a sign of improved productivity."
机译:凤尾鱼和加州海狮普通健康作物的蓬勃发展群体反映了2019年西海岸地区的提高生产力。然而,挥之不去的海上热量恢复鲑鱼股,减少钓鱼成功,一个新的分析报告。加州目前的生态系统 状态报告介绍了西海岸的海洋条件仍然异常变量。 这是自2014年主要海洋热浪的到来以来的情况是“Blob”。 Noaa的两个西海岸实验室,西北部渔业科学中心和西南渔业科学中心,每年向太平洋渔业管理委员会发出报告。“这里没有真正清晰的画面,”报告的共同编辑Chris Harvey说 。 “一方面,我们有很多凤尾鱼。另一方面,我们也有很多温水。这不是提高生产力的迹象。”

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