نتایج جستجو برای: Management ecosystem

تعداد نتایج: 919084  

Journal: مدیریت شهری 2015
Ali Asghar Ehsani Fard, Mohammad Zarqani, Zohreh Farshi Haqqi,

In response to the facts that some Asian developing countries were experiencing the fastest rate of industrialisation and urbanisation, several international initiatives called for a better and ‘sustainable’ urban management. Development of management tools including strategic environmental assessment (SEA), life cycle assessment (LCA), cost benefit analysis (CBA), and environmental managemen...

Gholam Ali Heshmati, Zahra Mohebbi

The main objective of an ecosystem sustainable management is to preserve itscapacity to respond and adapt to current disturbances and/or future changes, and maintain theprovision of environmental goods and services. Two very important properties linked to thisobjective are the ecosystem resilience and resistance to disturbance factors. The objective ofthis paper is to recommend conceptual modif...

Journal: :international journal of advanced biological and biomedical research 2013
vahed kiyani

for an optimum use of natural resources in the sustainable development trend, there is a need to identify ecological resources in the shortest period of time and minimum possible cost. in this article, we aimed management ecosystem by assessment of plant covers changes at taleghan township in a twenty year period. percentage of landscape and number of patch were among the metrics that were calc...

Journal: :journal of rangeland science 2011
mohammad hassan jouri dina askarizadeh vahid rahimi mohammad mahdavi

mountainous rangeland ecosystems have a highly delicate position in ecologic areabecause of severe environmental conditions and having wildlife and livestock. knowing andrealizing the biotic and abiotic components, which have an interaction with each other in thisecosystem, perform the most important role in to desirable management of it. the systematicmanagement is one of the managing features...

 Ecosystem services are fundamental for human well-being and are the basis of rural livelihoods, particularly for poor people. Rainwater harvesting can serve as an opportunity to enhance ecosystem productivity, thereby improving livelihoods, human well-being, and economies. Rainwater harvesting has been shown to create synergies between landscape management and human well-being. These synergi...

Journal: :journal of rangeland science 2013
gholam ali heshmati zahra mohebbi

the main objective of an ecosystem sustainable management is to preserve itscapacity to respond and adapt to current disturbances and/or future changes, and maintain theprovision of environmental goods and services. two very important properties linked to thisobjective are the ecosystem resilience and resistance to disturbance factors. the objective ofthis paper is to recommend conceptual modif...

2010
Anna Pujadas Botey Theresa Garvin Rick Szostak

Global environmental deterioration demands the involvement of the academic community. Ecosystem management is a discipline within ecology that is especially concerned about doing interdisciplinary research in order to solve environmental problems. However, it is not clear what interdisciplinary work means, what its purpose is, and how it is practiced among ecosystem management researchers. The ...

2013
Christopher R. Kelble Dave K. Loomis Susan Lovelace William K. Nuttle Peter B. Ortner Pamela Fletcher Geoffrey S. Cook Jerry J. Lorenz Joseph N. Boyer

There is a pressing need to integrate biophysical and human dimensions science to better inform holistic ecosystem management supporting the transition from single species or single-sector management to multi-sector ecosystem-based management. Ecosystem-based management should focus upon ecosystem services, since they reflect societal goals, values, desires, and benefits. The inclusion of ecosy...

2001
J. Walter Milon Clyde F. Kiker Donna J. Lee

Within the past decade ecosystem management has become a central theme in state and federal environmental resource management and a powerful issue in environmental policy debates. A recent survey showed that more than 600 projects related to ecosystem management are underway around the U.S. (Yaffee et al.,). Under the Clinton Administration, a high level of federal commitment to an ecosystem ma...

2005
Martin F. Quaas Stefan Baumgärtner

The ecological literature suggests that biodiversity reduces the variance of ecosystem services. Thus, conservative biodiversity management has an insurance value to risk-averse users of ecosystem services. We analyze a conceptual ecological-economic model in which such management measures generate a private benefit and, via ecosystem processes at higher hierarchical levels, a positive external...

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