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sur le développement des zones arides et semi-arides

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United States Department of Agriculture (USDA) 2003

WHAT IS NEEDED TO DEVELOP, VALIDATE, AND TEST METHODS FOR MONITORING RANGELAND, WATERSHED, AND RIPARIAN ECOSYSTEMS OF THE SEMI-ARID WEST ?

Monitoring Rangelend Watershed Riparian

United States Department of Agriculture (USDA) Research, Education & Economics Information System (REEIS)

Titre : WHAT IS NEEDED TO DEVELOP, VALIDATE, AND TEST METHODS FOR MONITORING RANGELAND, WATERSHED, AND RIPARIAN ECOSYSTEMS OF THE SEMI-ARID WEST ?

Identification : RMRS-4302-3

Pays : Etats Unis

Durée : Sep 11, 2003 à Sep 11, 2008

Domaine : Watershed Protection and Management ; Management and Sustainability of Forest Resources ; Appraisal of Soil Resources ; Management of Range Resources ; Rangelands and grasslands, general ; Conifer forests of the West ; Soil and land, general ; Watersheds ;

Partenaire : ROCKY MOUNTAIN RESEARCH STATION 240 WEST PROSPECT ROAD FORT COLLINS,CO 80526-2098

Objectifs
There is a lack of validated models and monitoring protocols to describe ecosystem function and processes of riparian and rangeland habitats. The development of monitoring methods requires knowledge of habitat reference conditions for many semi-arid Intermountain riparian and rangeland ecosystems. Some States have complete classifications of riparian habitats, but several others (e.g. Arizona, Utah, Nevada) have only limited classifications. Where this information is lacking, vegetation, soils, and channel data will be collected and used to classify riparian habitats. Many forms of monitoring require this reference information in order to evaluate the status and trend of ecological sites. Where this information is lacking, research will be conducted to identify and describe reference conditions for riparian ecosystems.

Descriptif
This work will entail development and validation of soil and vegetation monitoring for riparian health, inclusive of aquatic zones. An integral part of the research approach will be to develop monitoring schemes and protocols to help evaluate the condition of streams containing threatened and endangered populations. This research will build upon previous work, but will focus specifically on refinement of monitoring tools to evaluate aquatic and terrestrial relationships between fish and their habitats.

Présentation : USDA

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