نتایج جستجو برای: degradation indicators

تعداد نتایج: 258369  

آجرلو, مجید, بشری, حسین, جوزقیان, امیر, پهلوانروی, احمد,

This study evaluates the impacts of clay and gypsum mining on ecosystem structure and function using Landscape Function Analysis (LFA) in Segzi plain, Isfahan. The length and width of patches and inter-patches length were recorded along the 18 established 50-meters transects in mining and reference sites. Eleven soil surface indicators were evaluated using LFA method in these patches and inter-...

2011
Christopher P. Johnstone Alan Lill Richard D. Reina

Habitat fragmentation and degradation seriously threaten native animal communities. We studied the response of a small marsupial, the agile antechinus Antechinus agilis, to several environmental variables in anthropogenically fragmented Eucalyptus forest in south-east Australia. Agile antechinus were captured more in microhabitats dominated by woody debris than in other microhabitats. Relative ...

2004
Andrew Dougill Mark Reed

There have been few attempts to develop, test or apply sustainability indicators for natural resource management at a farm-level, and even fewer have fully consulted land users from the initiation of this process. While environmental sustainability indicators need to be accurate and reliable, land users also need them to be rapid, cost-effective and easy to use, in addition to being linked to m...

Journal: :تحقیقات مهندسی کشاورزی 0
فرزاد پاسیار کارشناس ارشد دانشگاه تربیت مدرس محمدجواد منعم دانشیار دانشکدة کشاورزی دانشگاه تربیت مدرس

an important problem in performance evaluations of irrigation systems is the difficulty of the determining share of structural and operational elements and determining improvement solutions. in most studies, the combined impact of structural and operational elements on the performance of irrigation systems is assessed. some researchers try to separate the effects of structural and operational e...

Journal: :European journal of public health 2014
Gaëlle Gusto Sylviane Vol Gérard Lasfargues Christian Guillaud Olivier Lantieri Jean Tichet

BACKGROUND Association between deprivation and health is well established, particularly among unemployed or fixed-term contract or temporary contract subjects. This study aimed to assess if this relationship existed as well in full-time permanent workers. METHODS Biometrical, biological, behavioural and psychosocial health risk indicators and an individual deprivation score, the Evaluation of...

2012
Gufu Oba

This article reports a rapid method for rangeland assessments in Kenya, Ethiopia and Uganda by harnessing pastoralists’ indigenous knowledge among the Orma, Afar and Karamojong pastoralists. The study developed and evaluated a methodological framework for conducting joint assessments with pastoralist range scouts. The framework has four components: selection of ecological and anthropogenic indi...

Journal: :Open Journal of Applied Sciences 2022

In recent years, grassland degradation has become one of the most important ecological problems in China under interwoven influence environmental and human factors. Based on analysis spatial-temporal characteristics driving factors order to deeply understand research status monitoring methods evaluation index system, this paper mainly investigates progress remote sensing indicators. Furthermore...

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