نتایج جستجو برای: ecosystem services

تعداد نتایج: 369182  

Journal: :international journal of environmental research 2011
l. lei l. jian w. yutao w. nvjie w. renqing

the value of wetlands is receiving increasing attention and the cost–benefit analyses (cba) is essential to evaluate the long-term effects of wetland rehabilitation projects. in order to guarantee the water quality of the south-to-north water diversion project of china (east route), the government of shandong province started a huge lakeshore wetland rehabilitation project in 2008. the cba appr...

Journal: :international journal of environmental research 2010
l. jing r. zhiyuan

in this paper, we report an investigation of changes in land use and ecosystem services on loess plateau in northern shaanxi province from 1978 to 2004. we used three landsat tm and/or etm data sets to estimate changes in the size of five land-cover/land-use categories, and we also used previously published value coefficients to estimate changes in the value of ecosystem services delivered by e...

Journal: :Current Biology 2005

Journal: :Current Biology 2005
Heather Tallis Peter Kareiva

Humans have always depended on nature for environmental assets like clean water, nutrient cycling and soil formation. These have been called by different names through human history, but are presently gaining global attention as 'ecosystem services'. Gretchen Daily defines ecosystem services as " the conditions and processes through which natural ecosystems, and the species that make them up, s...

Journal: :International Journal of Sustainable Built Environment 2015

Journal: :Annals of the New York Academy of Sciences 2010

Journal: :Current Biology 2017

Journal: :بوم شناسی کشاورزی 0
علیرضا کوچکی مهدی نصیری محلاتی افسانه امین غفوری منصوره محلوجی راد فرنوش فلاح پور

introduction due to its multifunctional nature agriculture play important roles in ecological processes such as carbon sequestration, flood control, groundwater recharge, nutrient cycling, and purifying water, soil and air in addition to providing food, feed and fiber. these cover almost all ecological services provided by natural ecosystems, including provisioning services, regulating services...

Forage is one of the main products of rangeland ecosystems, which is threatened by different anthropogenic disturbances. This study was conducted to assess the impact of urbanization, rural development, agriculture extension, road construction and industry on forage production in an arid and semiarid rangeland using InVEST habitat quality model in spring 2018. In 14 rangeland types, thirty 2×1m...

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