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Articles 151 - 180 of 429
Full-Text Articles in Natural Resource Economics
U.S. Drought Monitor, May 17, 2016, David Simeral
U.S. Drought Monitor, May 17, 2016, David Simeral
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for May 17, 2016 (5/17/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, May 10, 2016, Brian Fuchs
U.S. Drought Monitor, May 10, 2016, Brian Fuchs
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for May 10, 2016 (5/10/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, May 3, 2016, Brian Fuchs
U.S. Drought Monitor, May 3, 2016, Brian Fuchs
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for May 3, 2016 (5/3/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, April 19, 2016, Richard Tinker
U.S. Drought Monitor, April 19, 2016, Richard Tinker
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for April 19, 2016 (4/19/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, April 12, 2016, Richard Tinker
U.S. Drought Monitor, April 12, 2016, Richard Tinker
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for April 12, 2016 (4/12/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, April 5, 2016, Richard Tinker
U.S. Drought Monitor, April 5, 2016, Richard Tinker
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for April 5, 2016 (4/5/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
Plant Community Composition And Structure Monitoring For Agate Fossil Beds National Monument, 2011-2015 Summary Report, Isabel W. Ashton, Christopher J. Davis
Plant Community Composition And Structure Monitoring For Agate Fossil Beds National Monument, 2011-2015 Summary Report, Isabel W. Ashton, Christopher J. Davis
United States National Park Service: Publications
Executive Summary
The Northern Great Plains Inventory & Monitoring Program and Fire Effects Program have been monitoring vegetation in Agate Fossil Beds National Monument for over 18 years. While methods have changed slightly, this report summarizes data from over 80 locations from 1998-2015. We use these data to explore status and trends in upland and riparian plant communities, the occurrence of rare plants, and the effects of the Fossil Hills trail installation on the surrounding vegetation. A summary of the current condition (2011-2015) and trends (based on 1998-2015) in plant communities at Agate Fossil Beds NM (AGFO) is found in …
U.S. Drought Monitor, March 29, 2016, Brad Rippey
U.S. Drought Monitor, March 29, 2016, Brad Rippey
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for March 29, 2016 (3/29/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
Environmental Variables Affecting The Performance Of Large-Scale Solar Photovoltaic Power Plants, Parikhit Sinha
Environmental Variables Affecting The Performance Of Large-Scale Solar Photovoltaic Power Plants, Parikhit Sinha
Climate Sustainability Lecture Series
The environmental sciences have been critical to identifying global environmental challenges such as climate change, but they have been less extensively utilized in deploying solutions to those challenges, such as solar energy. Environmental variables such as temperature, humidity, aerosols, clouds, soiling, and snowfall have important effects on solar PV performance, and these effects can vary regionally. The current status of large-scale solar PV deployment will be discussed along with the role of environmental variables on PV performance.
U.S. Drought Monitor, March 22, 2016, Brad Rippey
U.S. Drought Monitor, March 22, 2016, Brad Rippey
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for March 22, 2016 (3/22/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, March 15, 2016, Richard R. Heim Jr.
U.S. Drought Monitor, March 15, 2016, Richard R. Heim Jr.
United States Agricultural Commodities in Drought Archive
Drought map of the United States for March 15, 2016 (3/15/16) plus: United States crop areas experiencing drought (map), the approximate percentage of crop located in drought by state (bar graph), and the percentage of crop area located in drought during past 52 weeks (line graph) for corn, soybeans, hay, cattle, and winter wheat.
U.S. Drought Monitor, March 8, 2016, David Miskus
U.S. Drought Monitor, March 8, 2016, David Miskus
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for March 8, 2016 (3/8/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, March 1, 2016, David Miskus
U.S. Drought Monitor, March 1, 2016, David Miskus
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for March 1, 2016 (3/1/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
Plant Community Composition And Structure Monitoring For Scotts Bluff National Monument, 2011-2015 Summary Report, Isabel W. Ashton, Christopher J. Davis
Plant Community Composition And Structure Monitoring For Scotts Bluff National Monument, 2011-2015 Summary Report, Isabel W. Ashton, Christopher J. Davis
United States National Park Service: Publications
Executive Summary
The Northern Great Plains Inventory & Monitoring Program and Fire Effects Program have been monitoring vegetation in Scotts Bluff National Monument for over 18 years. While methods have changed slightly, this report summarizes data from over 80 locations from 1998-2015. Below, we list the questions we asked using these data and provide a summarized answer. For more details see the full report. A summary of the current condition (2011-2015) and trends (based on 1988-2015) in plant communities at Scotts Bluff is found in Table ES-1.
1. What is the current status of plant community composition and structure of …
Air Quality Related Values (Aqrvs) For Northern Great Plains Network (Ngpn) Parks, Effects From Ozone; Visibility Reducing Particles; And Atmospheric Deposition Of Acids, Nutrients And Toxics, Timothy J. Sullivan
United States National Park Service: Publications
Summary
This report describes the Air Quality Related Values (AQRVs) of the Northern Great Plains Network (NGPN). AQRVs are those resources sensitive to air quality and include streams, lakes, soils, vegetation, fish and wildlife, and visibility. This report also describes air pollutant emissions and air quality in NGPN, and their effects on AQRVs. The primary pollutants likely to affect AQRVs include nitrogen (N) and sulfur (S) compounds (nitrate [NO3-], ammonium [NH4+], and sulfate [SO42-]); ground-level ozone (O3); haze-causing particles; and airborne toxics.
The 13 parks that are included in …
U.S. Drought Monitor, February 23, 2016, Eric Luebehusen
U.S. Drought Monitor, February 23, 2016, Eric Luebehusen
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for February 23, 2016 (2/23/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, February 16, 2016, Eric Luebehusen
U.S. Drought Monitor, February 16, 2016, Eric Luebehusen
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for February 16, 2016 (2/16/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, February 9, 2016, Anthony Artusa
U.S. Drought Monitor, February 9, 2016, Anthony Artusa
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for February 9, 2016 (2/9/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, February 2, 2016, Anthony Artusa
U.S. Drought Monitor, February 2, 2016, Anthony Artusa
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for February 2, 2016 (2/2/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, January 26, 2016, Mark D. Svoboda
U.S. Drought Monitor, January 26, 2016, Mark D. Svoboda
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for January 26, 2016 (1/26/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, January 19, 2016, Mark D. Svoboda
U.S. Drought Monitor, January 19, 2016, Mark D. Svoboda
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for January 19, 2016 (1/19/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, January 12, 2016, Brian Fuchs
U.S. Drought Monitor, January 12, 2016, Brian Fuchs
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for January 12, 2016 (1/12/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, January 5, 2016, Brian Fuchs
U.S. Drought Monitor, January 5, 2016, Brian Fuchs
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for January 5, 2016 (1/5/16) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
Late Holocene Expansion Of Ponderosa Pine (Pinus Ponderosa) In The Central Rocky Mountains, Usa, Jodi R. Norris, Julio L. Betancourt, Stephen T. Jackson
Late Holocene Expansion Of Ponderosa Pine (Pinus Ponderosa) In The Central Rocky Mountains, Usa, Jodi R. Norris, Julio L. Betancourt, Stephen T. Jackson
United States National Park Service: Publications
Aim: Ponderosa pine (Pinus ponderosa) experienced one of the most extensive and rapid post-glacial plant migrations in western North America. We used plant macrofossils from woodrat (Neotoma) middens to reconstruct its spread in the Central Rocky Mountains, identify other vegetation changes coinciding with P. ponderosa expansion at the same sites, and relate P. ponderosa migrational history to both its modern phylogeography and to a parallel expansion by Utah juniper (Juniperus osteosperma).
Location: Central Rocky Mountains, Wyoming and Montana, and Black Hills, Wyoming and South Dakota, USA.
Methods: Plant macrofossils were analysed in …
U.S. Drought Monitor, December 22, 2015, Richard R. Heim Jr.
U.S. Drought Monitor, December 22, 2015, Richard R. Heim Jr.
United States Agricultural Commodities in Drought Archive
Drought map of the United States for December 22, 2015 (12/22/15) plus: United States crop areas experiencing drought (map), an approximate percentage of crop located in drought by state (bar graph), and the percentage of crop area located in drought during the past 52 weeks (line graph) for corn, soybeans, hay, cattle, and winter wheat.
U.S. Drought Monitor, December 15, 2015, Richard Tinker
U.S. Drought Monitor, December 15, 2015, Richard Tinker
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 15, 2015 (12/15/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, November 24, 2015, Richard R. Heim Jr.
U.S. Drought Monitor, November 24, 2015, Richard R. Heim Jr.
United States Agricultural Commodities in Drought Archive
Drought map of the United States for November 24, 2015 (11/24/15) plus: United States crop areas experiencing drought (map), an approximate percentage of crop located in drought by state (bar graph), and the percentage of crop area located in drought during the past 52 weeks (line graph) for corn, soybeans, hay, cattle, and winter wheat.
U.S. Drought Monitor, November 17, 2015, Richard R. Heim Jr.
U.S. Drought Monitor, November 17, 2015, Richard R. Heim Jr.
United States Agricultural Commodities in Drought Archive
Drought map of the United States for November 17, 2015 (11/17/15) plus: United States crop areas experiencing drought (map), an approximate percentage of crop located in drought by state (bar graph), and the percentage of crop area located in drought during thepast 52 weeks (line graph) for corn, soybeans, hay, cattle, and winter wheat.
U.S. Drought Monitor, November 10, 2015, Richard Tinker
U.S. Drought Monitor, November 10, 2015, Richard Tinker
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for November 10, 2015 (11/10/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, November 3, 2015, David Miskus
U.S. Drought Monitor, November 3, 2015, David Miskus
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for November 3, 2015 (11/3/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.