نتایج جستجو برای: ecoregion

تعداد نتایج: 734  

Journal: :Water Resources Research 2022

Satellite imagery is commonly used to map surface water extents over time, but many approaches yield discontinuous records resulting from cloud obstruction or image archive gaps. We applied the Dynamic Surface Water Extent (DSWE) model downscaled (250-m) daily Moderate Resolution Imaging Spectroradiometer (MODIS) data in Google Earth Engine generate monthly maps for conterminous United States (...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Joern Fischer Jenny Stott Andre Zerger Garth Warren Kate Sherren Robert I Forrester

Global food demand is growing rapidly. Livestock grazing can provide a valuable source of protein, but conventional grazing is often unsustainable. We studied an 800,000-ha section of a threatened ecoregion in southeastern Australia. Conventional management in the region involves continuous livestock grazing with few rest periods and regular fertilizer application. By using remotely sensed data...

Journal: :Diversity and Distributions 2021

Aims In the sagebrush ecosystems of western United States, identifying and enhancing habitat for large ungulates has become an increased priority many management agencies, as indicated by Department Interior Secretarial Order 3362. Estimating understanding current future suitability connectivity is important successful long-term these species. Location Great Basin ecoregion, USA. Methods We foc...

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