alburnus chalcoides , caspian shemaya, is found in the river systems of the aral, black and caspian sea basins and is an economically valuable cyprinid from the southern caspian sea. this species has been reported as near threatened species in this basin due to damming, over and illegal fishing, destruction of its spawning grounds and water pollution. the caspian shemaya is an important species...

following annual report of new cases of cutaneous leishmaniasis from different areas of kuhpayeh district, esfahan county, an investigation was carried out on some ecological aspects of phlebotomine sand flies during 2000-2002. sand flies were collected biweekly from outdoor and indoor resting places with the aid of 30 sticky traps from the be ginning to the end of the active season. female san...

the notion of sustainable development has rapidly gained considerable attention since the lastdecades of the twentieth century. it has become a locus for global paradigm shift on environment and development issues particularly after rio conference in 1992. the comparative analysis of agenda 21 and major un documents, mdg, and rio+20 as well as some major sources are made to provide a context fo...

a two-year field study was conducted at punjab agricultural university, ludhiana, india, to study the relative abundance of mustard/turnip aphid, lipaphis erysimi (kaltenbach) (hemiptera: aphididae) and the associated resident natural enemies on 10 different rapeseed-mustard genotypes which included: brassica juncea: rh 7846, rh 9501, rk 9501, jmm 927, purple mutant; b. napus: hyola pac 401 (hy...

CASPER H. A. VAN LEEUWEN* , †, , NAOMI HUIG*, GERARD VAN DER VELDE †, § , THEO A. VAN ALEN , CORNELIS A. M. WAGEMAKER** , CRAIG D. H. SHERMAN , MARCEL KLAASSEN ††, ‡‡, § § AND JORDI FIGUEROLA Aquatic Ecology, Netherlands Institute of Ecology, Royal Netherlands Academy of Arts and Sciences (NIOO-KNAW), Wageningen, The Netherlands Radboud University Nijmegen, Institute for Water and Wetland Resea...

Ecolinguistics: language and ecology delivers an overall view and a critical approach on ecolinguistic studies. This book is an excellent resource to students, researchers, linguists and those working in the area of discourse analysis as well as ecology. The book claims presenting a news course for ecolinguistics including a framework for understanding the theory of ecolinguistics, exploration ...

Department of Behavioural Ecology, Institute of Ecology and Evolution, University of Bern Animal Ecology Group, Centre for Ecological and Evolutionary Studies, University of Groningen, The Netherlands Department of Ecology and Evolution, University of Lausanne, Switzerland Department of Evolution, Ecology and Organismal Biology, The Ohio State University, U.S.A. Animal and Plant Sciences, Unive...

1 Ecology and Biodiversity, Department Biology, Vrije Universiteit Brussel, Brussels, Belgium, Department of Aquatic Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, Netherlands, Department of Terrestrial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, Netherlands, 4 Faculty of Science and Engineering, Groningen Institute for Evolutionary Life Sciences, Univ...

map is the most important tool for cognizance in the field of geography and is the best instrument for presentation of geographic information. the study of ecology in general, which means the study of relationship between man and his environment, is only possible by means of maps. as a tool for ecology and manifestation of human sovereignty over environment, the map has served political power-h...

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