نتایج جستجو برای: arid rangeland

تعداد نتایج: 21136  

Journal: :Journal of animal science 2004
R K Heitschmidt L T Vermeire E E Grings

The objective of this paper is to examine the sustainability of rangeland agriculture (i.e., managed grazing) on a world-wide basis, with a focus on North America. Sustainability is addressed on three fronts: 1) ecological, 2) economic, and 3) social acceptance. Based on previous and on-going research, we suggest that employment of science-based rangeland grazing management strategies and tacti...

ژورنال: مرتع 2023
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Background and objectives A large area of Iran rangelands is located in arid and semi-arid areas which a significant percentage of them have been degraded and are not in good condition. In these areas, vegetation restoration is not easy due to the water scarcity. Water harvesting operations are among the necessary management measures to restore and develop the rangelands of these areas. Water ...

Journal: :Landscape Ecology 2022

Abstract Context Combining field-based assessments with remote-sensing proxies of landscape patterns provides the opportunity to monitor terrestrial ecosystem health status in support sustainable development goals (SDG). Objectives Linking qualitative field data quantitative imagery map (SDG15.3.1 “land degradation neutrality”). Methods A approach using Interpreting Indicators Rangeland-Health ...

Journal: :Remote Sensing 2021

This study aimed at investigating the potential of vegetation indices and precipitation-related variables derived from remote sensing to assess rangeland production in arid environment Moroccan Oriental region identifying challenges linked that particular biome. Vegetation (VIs) Standardized Precipitation Index (SPI) computed various aggregation periods were first integrated into a Random Fores...

1998
STEVE ARCHER DAVID A. PYKE

The role of ungulate grazing in shaping rangeland ecosystems is well known relative to other important plant-animal interactions such as pollination, seed dispersal, granivory, and belowground herbivory. Successful rangeland revegetation may be enhanced by strategies that favor certain groups of animals and discourage others. Many perennial forbs and shrubs require animals for successful pollin...

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