已选(0)清除
条数/页: 排序方式: |
| USDA Updates Available Functions During Lapse in Funding 新闻 来源平台:United States Department of Agriculture. 发布日期:2018 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:5/0  |  提交时间:2019/04/16 |
| Perdue Applauds USDA’s 2018 Accomplishments 新闻 来源平台:United States Department of Agriculture. 发布日期:2018 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:3/0  |  提交时间:2019/04/16 |
| Secretary Perdue Details USDA Functions in the Event of a Lapse in Federal Funding 新闻 来源平台:United States Department of Agriculture. 发布日期:2018 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:2/0  |  提交时间:2019/04/16 |
| Statement of Secretary Perdue on President Trump’s Forest Management Executive Order 新闻 来源平台:United States Department of Agriculture. 发布日期:2018 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:4/0  |  提交时间:2019/04/16 |
| Accuracy of aerial detection surveys for mapping insect and disease disturbances in the United States 期刊论文 FOREST ECOLOGY AND MANAGEMENT, 2018, 430: 321-336 作者: Coleman, Tom W.; Graves, Andrew D.; Heath, Zachary; Flowers, Robbie W.; Hanavan, Ryan P.; Cluck, Daniel R.; Ryerson, Daniel
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:6/0  |  提交时间:2019/04/09 Bark beetles Defoliators Dendroctanus Pinus Remote sensing Visual detection survey |
| USDA, WGA Collaborative to Address Land Management Challenges 新闻 来源平台:United States Department of Agriculture. 发布日期:2018 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:0/0  |  提交时间:2019/04/16 |
| Secretary Perdue Names NRCS Chief 新闻 来源平台:United States Department of Agriculture. 发布日期:2018 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:5/0  |  提交时间:2019/04/16 |
| A fresh look at winter footprints: Environmental DNA improves tracking of rare carnivores 新闻 来源平台:Science X network. 发布日期:2018 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:1/0  |  提交时间:2019/04/17 |
| Better forest management won't end wildfires, but it can reduce the risks – here's how 新闻 来源平台:Science X network. 发布日期:2018 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:5/0  |  提交时间:2019/04/17 |
| USDA Forest Service Supports California Fire Suppression Efforts 新闻 来源平台:United States Department of Agriculture. 发布日期:2018 作者: admin
![](/C666/themes/default/image/downing1.png) 收藏  |  浏览/下载:0/0  |  提交时间:2019/04/16 |