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USDA: United States Department of Agriculture
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In this CLEARINGHOUSE post you can find a list of USDA`s (US Department of Agriculture) new guidance products on urban tree monitoring. These guides are designed around the collection of longitudinal field data – tracking the fate of individual trees – and will enable urban tree professionals to assess mortality and survival rates, tree growth rates, vigor changes, and population size changes.
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CLEARING HOUSE © 2020
http://clearinghouseproject.eu/
USDA: United States Department of Agriculture
https://www.usda.gov/
Gen. Tech. Rep. PSW-GTR-266. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 132 p.
Gen. Tech. Rep. NRS-194. Madison, WI: U.S. Department of Agriculture, Forest Service, Northern Research Station. 48 p.
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- Free, no licence