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1. A GIS-coupled hydrological model system for the watershed assessment of agricultural nonpoint and point sources of pollution

Description:
Includes references
Author:
Di Luzio, Mauro , Srinivasan, Raghavan , Arnold, Jeffrey G.
Subject:
agricultural watersheds , nonpoint source pollution , point source pollution , geographic information systems , Soil and Water Assessment Tool model , watershed hydrology , Texas
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

2. A technique to estimate nitrate-nitrogen loss by runoff and leaching for agricultural land, Lancaster County, Nebraska

Description:
Includes references
Author:
Elrashidi, M.A. , Mays, M.D. , Peaslee, S.D. , Hooper, D.G.
Subject:
soil surveys , nitrate nitrogen , agricultural runoff , leaching , losses from soil , equations , models , infiltration (hydrology) , vegetation cover , agricultural land , USDA , spatial distribution , geographic information systems , risk assessment , Nebraska
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

3. Canopy spectra of giant reed and associated vegetation

Description:
Includes references
Author:
Everitt, J.H. , Yang, C. , Alaniz, M.A. , Davis, M.R. , Nibling, F.L. , Deloach, C.J.
Subject:
Arundo donax , riparian areas , invasive species , near-infrared reflectance spectroscopy , aerial photography , geographic information systems , Texas
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

4. Characterization of western corn rootworm (Coleoptera: Chrysomelidae) population dynamics in relation to landscape attributes

Description:
Includes references
Author:
Beckler, A.A. , French, B.W. , Chandler, L.D.
Subject:
Diabrotica virgifera virgifera , population dynamics , population density , spatial distribution , Zea mays , corn , Glycine max , soybeans , cropping systems , soil texture , altitude , insect pests , pest monitoring , geographic information systems , South Dakota
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

5. Computer-based tools for decision support in agroforestry: current state and future needs

Description:
In the special issue: New vistas in agroforestry: a compendium for the 1st World Congress of Agroforestry, 2004 / edited by P.K.R. Nair, M.R. Rao and L.E. Buck.
Author:
Ellis, E.A. , Bentrup, G. , Schoeneberger, M.M.
Subject:
agroforestry , decision support systems , computer software , geographic information systems , databases , simulation models , information technology , information management , expert systems , literature reviews
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

6. Cost-effective BMP placement: optimization versus targeting

Description:
Includes references
Author:
Veith, T.L. , Wolfe, M.L. , Heatwole, C.D.
Subject:
best management practices , agricultural watersheds , pollution control , nonpoint source pollution , algorithms , cost effectiveness , watershed management , sediment yield , water erosion , geographic information systems , agricultural land , cost benefit analysis , Virginia
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

7. Defining yield goals and management zones to minimize yield and nitrogen and phosphorus fertilizer recommendation errors

Description:
Includes references
Author:
Chang, J.Y. , Clay, D.E. , Carlson, C.G. , Reese, C.L. , Clay, S.A. , Ellsbury, M.M.
Subject:
precision agriculture , Glycine max , soybeans , Zea mays , corn , crop rotation , grain yield , geographic information systems , fields , agricultural soils , electrical conductivity , soil fertility , fertilizer requirements , phosphorus , phosphorus fertilizers , nitrogen , nitrogen fertilizers , fertilizer application , topography , landscapes , South Dakota
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

8. Environmental effects on vector competence and virogenesis of bluetongue virus in Culicoides: interpreting laboratory data in a field context

Description:
Includes references
Author:
Mullens, B.A. , Gerry, A.C. , Lysyk, T.J. , Schmidtmann, E.
Subject:
Bluetongue virus , disease vectors , insect vectors , Culicoides sonorensis , vector competence , insect development , environmental factors , vectorial capacity , life history , geographical variation , latitude , air temperature , geographic information systems , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

9. From the field: integrating GPS, GIS, and avian call-response surveys using pocket PCs

Description:
Includes references
Author:
Stoleson, Scott H. , Kirschbaum, Kari Jensen , Frank, Jack , Atwood, Chad J.
Subject:
Fringillidae , songbirds , wild birds , animal communication , vocalization , spatial distribution , wildlife habitats , global positioning systems , geographic information systems , microcomputers , portable equipment , surveys , wildlife management , monitoring , Pennsylvania
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

10. Genetic diversity in and conservation strategy considerations for Navajo Churro sheep

Description:
Includes references
Author:
Maiwashe, A.N. , Blackburn, H.D.
Subject:
sheep , sheep breeds , animal genetic resources , animal breeding , genetic variation , pedigree , inbreeding , geographic information systems , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004