Results 111 to 120 of about 26,415 (223)

Evaluating LANDSAT wildland classification accuracies [PDF]

open access: yes
Procedures to evaluate the accuracy of LANDSAT derived wildland cover classifications are described. The evaluation procedures include: (1) implementing a stratified random sample for obtaining unbiased verification data; (2) performing area by area ...
Toll, D. L.
core   +1 more source

Temporal and Spatial Variation of Nitrogen in Wyoming Big Sagebrush [PDF]

open access: yes, 2014
Sagebrush steppe systems represent one of North America’s greatest conservation challenges. Shrinking habitat and declining animal populations have prompted researchers to fill gaps in our understanding of the ecology of this system, particularly at a ...
Gehlken, Kristina   +4 more
core   +1 more source

Does Experience with Sagebrush In utero and Early in Life Influence the Use of Sagebrush by Sheep?

open access: yes, 2016
Learning from mother begins early in the developmental process and can have lifelong effects when it comes to forage preferences. Recent research suggests that mothers are a powerful and positive influence before birth. Pregnancy is not an incubation period buy a staging period for well-being and disease later in life.
openaire   +2 more sources

The application of remote sensing to resource management and environmental quality programs in Kansas [PDF]

open access: yes
There are no author-identified significant results in this ...
Barr, B. G., Martinko, E. A.
core   +1 more source

The comparative evaluation of ERTS-1 imagery for resource inventory in land use planning [PDF]

open access: yes
The author has identified the following significant results. Multidiscipline team interpretation and mapping of resources for Crook County is complete on 1:250,000 scale enlargements of ERTS imagery and 1:120,000 hi-flight photography.
Cornwell, J. A.   +9 more
core   +1 more source

RANCH OPERATORS' PERCEPTIONS OF LEAFY SPURGE [PDF]

open access: yes
A survey of 459 ranchers was conducted to evaluate managerial, institutional, and social factors that may affect the rate and extent of implementation of various leafy spurge (Euphorbia esula L.) controls in a five-county region in Montana, North Dakota,
Bangsund, Dean A.   +3 more
core   +1 more source

DO ALL THE RESOURCE PROBLEMS IN THE WEST BEGIN IN THE EAST? [PDF]

open access: yes
Economics can make good policy better and bad policy go away- a message often constrained by the political realities surrounding federal resource policy toward the West.
Shogren, Jason F.
core   +1 more source

Density dependence of songbird demographics in grazed sagebrush steppe. [PDF]

open access: yesPLoS One, 2023
Ruth KA   +3 more
europepmc   +1 more source

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