نتایج جستجو برای: ecological classification of the coastal zone

تعداد نتایج: 22827132  

Continual access to precise information about the land use/land cover (LULC) changes of the Earth’s surface is extremely important for any sustainable development program in which LULC serves as one of the major input criteria. In this study, a supervised classification was applied to three Landsat images collected in 1986, 1998and 2018, providing mangrove forests change data in the coastal are...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه هرمزگان - دانشکده کشاورزی و منابع طبیعی 1392

این تحقیق طی یک دوره یکساله و در 3 فصل از سال با هدف شناسائی ، طبقه بندی اکولوژیکی و کد دهی زیستکاه های ساحلی-دریائی جزیره هرمز انجام شد . جزیره هرمز در مدخل ورودی خلیج فارس از دریای عمان واقع شده است . با توجه به اینکه طبقه بندی سواحل اساسی ترین مرحله برای مدیریت ایستکاه های ساحلی می باشد ، مطالعه بر اساس طبقه بندی استاندارد اکولوژیک ساحلی-دریائی cmecs iii (coastal and marine ecological classi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم انسانی 1391

from 1950s onward, new theories and critical approaches burgeoned across humanities. these theories were context-oriented; as a result, the analysis of discursive practices gained significance. thus, social, political, historical and cultural discourses that have been hitherto marginalized and considered inferior to literary texts, were introduced as important texts to be analyzed by critics. o...

Journal: :Marine pollution bulletin 2006
Sergej Olenin Jean-Paul Ducrotoy

The term "biotope" was introduced by a German scientist, Dahl in 1908 as an addition to the concept of "biocenosis" earlier formulated by Möbius (1877). Initially it determined the physical-chemical conditions of existence of a biocenosis ("the biotope of a biocenosis"). Further, both biotope and biocenosis were respectively considered as abiotic and biotic parts of an ecosystem. This notion ("...

2009
A. M. Nobre J. G. Ferreira

Nobre, A.M and Ferreira, J.G., 2009. Integration of ecosystem-based tools to support coastal zone management. Journal of Coastal Research, SI 56 (Proceedings of the 10th International Coastal Symposium), pg – pg. Lisbon, Portugal, ISBN Over the past decades policy makers have defined new legislative and policy instruments to address coastal ecosystem degradation. It is important to provide coas...

درفشی, خبات, صدوق, سید حسن,

Abstract Coastal areas are dynamic and complex multi-function systems. A wide number of often conflicting human socio-economic activities occur in these areas. These include urbanization, tourism and recreational activities, industrial production, energy production and delivering, port activities, shipping, and agriculture. Coastal systems are also characterized by important ecological and ...

2011
A. M. Nobre

Anthropogenic activity has a negative impact on many coastal ecosystems, compromising the significant direct and indirect socio-economic benefits provided in these areas. Maintaining activities that depend on coastal zones while preserving the ecological state of the ecosystems represents a management challenge. Management of coastal zones requires scientifically based knowledge, due to the com...

Journal: :تحقیق در علوم شیلاتی 0
e.n lakmali w.g.a deshapriya k.g.a. ishara jayawardene r.m.p raviranga n.p ratnayake h.m.r premasiri

coastal zone of sri lanka is a key to sustainable development of the country. the erosion of country’s coastal zone has been identified as a long standing problem. therefore, coastal sediment dynamics around the country has to be identified to develop an appropriate coastal zone management plan. remote sensing and gis techniques can be used for quantitative and qualitative analyses of coastal p...

Journal: :محیط شناسی 0
فائزه ترکیانفر کارشناس ارشد برنامه ریزی و مدیریت محیط زیست، دانشکدة محیط زیست، دانشگاه تهران حمیدرضا جعفری دانشیار دانشکدة محیط زیست، دانشگاه تهران امیرحسین صادقپور مربی دانشکدة معماری، دانشگاه کاشان

in this research, in order to investigate risks land hazards involved in land use, overlay method was employed, check list method was used to assess the environmental impacts, and to determine the adverse effects and relative priority of modifications, matrix method was applied. the process includes understanding technical specifications of the proposed projects and the environment under threat...

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