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This metadata record describes the annual average number of occurrences of dry and wet events during the 30-year period 1981 – 2010 for the conterminous United States. A wet event is defined as a period when the number of consecutive days with precipitation equals or exceeds 1 millimeter. A dry event is defined as a period when the number of consecutive days with precipitation equals 0 millimeters. The source data was produced and acquired from DAYMET (2018) and is presented here as a 1-kilometer resolution GeoTIFF file.
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Chronic Wasting Disease (CWD) is a fatal, contagious, neuro-degenerative disease affecting multiple members of the Family Cervidae. First detected in 1967, the disease has, as of March 2021, been documented in free-ranging and/or captive cervid populations in 26 states, three Canadian provinces, the Republic of South Korea, Norway, Sweden, and Finland. The data provided here contains information on the known, available, documented distribution of CWD in the United States that is current as of the publication date. The USGS National Wildlife Health Center (NWHC) tracks changes to the known distribution of CWD in the form of a map (available on the NWHC website at https://www.usgs.gov/centers/nwhc/science/expanding-distribution-chronic-wasting-disease.
Categories: Data; Types: Citation; Tags: Alabama, Alaska, American Samoa, Arizona, Arkansas, All tags...
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Dead and downed wood in any forest serves an important ecological function with regards to decomposition and nutrient cycling in forest ecosystems. It also provides critical habitat for many reptile and amphibian species, such as the red-backed salamander (Plethodon cinereus), in addition to providing an important food source for insects and detritivores upon which many other species in the system depend. The GCPO LCC Integrated Science Agenda (ISA) targets density of down wood around one 6’ dead/down log of ≥8” dbh per acre, essentially saying that on every acre there needs to be at least one sizable down log. The U.S. Forest Service (USFS) Forest Inventory and Analysis program does not collect plot-level data...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: BIOSPHERE, BIOSPHERE, ECOSYSTEMS, ECOSYSTEMS, FORESTS, All tags...


    map background search result map search result map Chronic Wasting Disease distribution in the United States by state and county Dead-down wood (tons carbon/acre) in the GCPO LCC geography 30 year (1981 - 2010) annual average number of occurrences of dry and wet events for the Conterminous United States and District of Columbia Dead-down wood (tons carbon/acre) in the GCPO LCC geography 30 year (1981 - 2010) annual average number of occurrences of dry and wet events for the Conterminous United States and District of Columbia Chronic Wasting Disease distribution in the United States by state and county