Results 111 to 120 of about 39,380 (263)
An accuracy assessment of satellite-derived rangeland fractional cover
Ecological IndicatorsSatellite-derived maps of vegetation cover provide detailed information about vegetation spatiotemporal patterns and are increasingly used to better understand and manage rangelands. Despite their utility, questions remain regarding the regional and site
Georgia R. Harrison +5 more
doaj +1 more source
Land use maps of the Tanana and Purcell Mountain areas, Alaska, based on Earth Resources Technology Satellite imagery [PDF]
The author has identified the following significant results. ERTS imagery in photographic format was used to make land use maps of two areas of special interest to native corporations under terms of the Alaska Native Claims Settlement Act.
Anderson, J. H.
core +1 more source
Restoration Ecology, EarlyView.Abstract Introduction Restoration outcomes in cold desert ecosystems like sagebrush steppe are affected by weather variability, particularly during the spring, a critical time period for seedling establishment. Seedling emergence phenology is also highly variable among species in these ecosystems.
Stella M. Copeland +3 more
wiley +1 more source
Restoration Ecology, EarlyView.Abstract Introduction Globally, livestock grazing is a key driver of vegetation degradation in arid rangelands. This degradation tends to be most severe near artificial water points which are focal points for livestock activity. Conservation reserves have been established on former rangelands; however, the timeframes for vegetation recovery following ...
Neil D. Ross, Adrian Fisher, Mike Letnic
wiley +1 more source
Restoration Ecology, EarlyView.Restoration increasingly operates in rapidly transforming landscapes shaped by human‐driven global change, where historical reference states no longer represent achievable or even desirable targets. Yet, ecological restoration and conservation management still rely on composition‐based definitions of ecosystem integrity that assume stable reference ...
Jens‐Christian Svenning
wiley +1 more source
The use of high altitude, color and spectrozonal imagery for the inventory of wildland resources. Volume II - The range resource Annual progress report [PDF]
High altitude multispectral imagery for identifying and mapping rangeland ...
Carneggie, D. M. +2 more
core +1 more source
Cutting, herbicide, and fire: a case study for managing woody plants in tallgrass prairies
Restoration Ecology, EarlyView.Abstract Introduction The removal of clonal and resprouting woody plants expanding into mesic grasslands like tallgrass prairies can be expensive based on the types of treatments applied and subsequent retreatments. Objective We aimed to determine how combined herbicide application, mechanical treatments, and annual prescribed fire influenced grassland
Rory C. O'Connor +5 more
wiley +1 more source
Estimating Woody Vegetation Cover in Arid and Semi-Arid Rangelands
Ecological IndicatorsMeasuring woody vegetation cover (WVC) is an essential part of ecological monitoring in rangelands. While continental-scale products that map vegetation cover from satellite remote sensing are available, it is uncertain whether these products are well suited for analyses at the sub-catchment and property scale. We evaluated a novel approach to regional-
Jaume Ruscalleda-Alvarez +3 more
openaire +2 more sources
Restoration Ecology, EarlyView.Abstract Introduction Restoring native plant diversity in crested wheatgrass (Agropyron cristatum)‐dominated rangelands is a persistent challenge in ecological restoration across western North America. Dense, long‐lived stands of this exotic grass suppress native seedling recruitment, hinder habitat restoration, and reduce ecosystem resilience ...
Peter Bugoni, Jane Mangold
wiley +1 more source
VEGETATIONAL SUCCESSION ON COASTAL RANGELAND OF POINT REYES PENINSULA
, 1974 (Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Elliott, Henry W, Wehausen, John D
openaire +2 more sources