نتایج جستجو برای: management ecosystem

تعداد نتایج: 919084  

1994
Eric Schneider Daniel Goodman

As environmental degradation and change continues, decision makers and managers feel significant pressure to rectify the situation. Scientists, in turn, find themselves under pressure to set out simple and clear rules for proper ecosystem management. The response has been one of frustration. Michael Soule and Laurence Slobdokin both loudly complain that ecology is an intractable science, immatu...

Journal: :CSIMQ 2017
Christophe Feltus Eric Grandry François-Xavier Fontaine

Risk-based regulation and risk governance gain momentum in most sectorial ecosystems, should they be the finance, the healthcare or the telecommunications ecosystems. Although there is a profusion of tools to address this issue at the corporate level, worth is to note that no solution fulfils this function at the ecosystem level yet. Therefore, in this article, the Business Service Ecosystem (B...

اسدی نلیوان, امید, زاهدی امیری, قوام الدین, محسنی ساروی, محسن, نظری سامانی, علی اکبر,

Sustainable development is a comprehensive approach to improve Human life quality to meet economical, social and environmental needs of anthropological residents. When sustainable development is achieved an overlapping is created between ecological, economical and social classes. The most principle goal for this research is to determine sustainability criteria and indices and to measure sustain...

2012
Martin Lindegren Vasilis Dakos Joachim P. Gröger Anna Gårdmark Georgs Kornilovs Saskia A. Otto Christian Möllmann

Critical transitions between alternative stable states have been shown to occur across an array of complex systems. While our ability to identify abrupt regime shifts in natural ecosystems has improved, detection of potential early-warning signals previous to such shifts is still very limited. Using real monitoring data of a key ecosystem component, we here apply multiple early-warning indicato...

Journal: :Trends in ecology & evolution 2015
Tom H Oliver Matthew S Heard Nick J B Isaac David B Roy Deborah Procter Felix Eigenbrod Rob Freckleton Andy Hector C David L Orme Owen L Petchey Vânia Proença David Raffaelli K Blake Suttle Georgina M Mace Berta Martín-López Ben A Woodcock James M Bullock

Accelerating rates of environmental change and the continued loss of global biodiversity threaten functions and services delivered by ecosystems. Much ecosystem monitoring and management is focused on the provision of ecosystem functions and services under current environmental conditions, yet this could lead to inappropriate management guidance and undervaluation of the importance of biodivers...

Journal: :محیط شناسی 0
الهه کولایی استاد گروه مطالعات منطقه ای دانشگاه تهران مهدی شایسته دانشجوی دکتری علوم سیاسی واحد علوم و تحقیقات

introduction a considerable percentage of the world’s population is living in the coastal areas. thus, there are many different kinds of problems in these regions. because of the large amount of the people in these areas, their ecosystems are confronted with huge and serious problems. there are different types of arrangements for preventing destruction of ecosystems around the seas. unified man...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم کشاورزی و منابع طبیعی گرگان - دانشکده مرتع و آبخیزداری و شیلات و محیط زیست 1386

چکیده ندارد.

Journal: :Philosophical Transactions of the Royal Society B: Biological Sciences 2015

2008
Youhua Zhang Li Sa Fanlun Xiong Bobo Cheng Lijun Zhu

This paper describes research using an agent-based artificial agro-ecosystem model to simulate the interaction between pest movements and trap crop physical design. The result of simulation shows that artificial agro-ecosystem model has a broad application prospect in the field of agro-ecosystem management.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده فنی 1392

due to lack of knowledge management system in the organization of technical and vocational university of iran (tvuni) and losing good employees because of retirement and substitution causes huge amount of costs to replace the similar expertise. there is no any suitable system in the tvuni to store, to document, and to distribute knowledge. based on the university’s features such as it has diffe...

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