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Episode 41: Tree Mortality from a Bird's-Eye View
Manage episode 407275213 series 3559202
内容由USDA Forest Service and Pacific Southwest Region提供。所有播客内容（包括剧集、图形和播客描述）均由 USDA Forest Service and Pacific Southwest Region 或其播客平台合作伙伴直接上传和提供。如果您认为有人在未经您许可的情况下使用您的受版权保护的作品，您可以按照此处概述的流程进行操作https://zh.player.fm/legal。
When it comes to getting perspective on forest health, sky-high observations are a big help in California. With over 30 million acres of forested land throughout the state, there is a lot of ground to cover. So, each summer, Forest Service aerial tree survey specialists spend several weeks in the aircraft gathering observations on tree mortality in lands of all ownerships.
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