Fitxer:2015. MCH flakes. MCH is an anti-aggregation pheromone used to protect trees from attack by the Douglas-fir beetle. Wenatchee, Washington. (23630477478).jpg
Fitxer original (2.448 × 2.448 píxels, mida del fitxer: 842 Ko, tipus MIME: image/jpeg)
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Resum
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MCH flakes. MCH is an anti-aggregation pheromone used to protect trees from attack by the Douglas-fir beetle. Photo by: Connie Mehmel Date: May 11, 2015 Photo credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Service Center. Source: Connie Mehmel collection. Wenatchee, Washington. For more information about MCH see: Ross, Darrell W., Kenneth Edward Gibson, and Gary E. Daterman. 2015. Using MCH to protect trees and stands from Douglas-fir beetle infestation. Forest Health Technology Enterprise Team, US Department of Agriculture, Forest Service. <a href="https://www.fs.fed.us/foresthealth/technology/pdfs/MCH_handbook_11_15_508.pdf" rel="nofollow">www.fs.fed.us/foresthealth/technology/pdfs/MCH_handbook_1...</a> Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: <a href="https://www.fs.usda.gov/main/r6/forest-grasslandhealth" rel="nofollow">www.fs.usda.gov/main/r6/forest-grasslandhealth</a> |
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| Font | 2015. MCH flakes. MCH is an anti-aggregation pheromone used to protect trees from attack by the Douglas-fir beetle. Wenatchee, Washington. |
| Autor | R6, State & Private Forestry, Forest Health Protection |
| Posició de la càmera |  | Aquesta i altres imatges properes a: OpenStreetMap |  |
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.jpg¶ms=047.439419_N_-120.345056_E_globe:Earth_type:camera_source:Flickr_&language=ca){kind=link}
Llicència
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This image or file is a work of a United States Department of Agriculture employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.
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This image was originally posted to Flickr by USDA Forest Service at https://flickr.com/photos/151887236@N05/23630477478 (archive). It was reviewed on 8 de maig de 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
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This image or file is a work of a United States Department of Agriculture employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.
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| Data/hora | Miniatura | Dimensions | Usuari/a | Comentari | |
|---|---|---|---|---|---|
| actual | 21:56, 8 maig 2018 | | 2.448 × 2.448 (842 Ko) | OceanAtoll | Transferred from Flickr via #flickr2commons |
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