نتایج جستجو برای: poitevin marshland
تعداد نتایج: 197 فیلتر نتایج به سال:
Schistosoma japonicum remains highly endemic in many counties in China and has recently re-emerged, to a large extent, in previously controlled areas. To test the hypothesis that small rodents and less agriculturally important domestic animals such as dogs and cats may play an important role in the transmission and potential re-emergence of this disease, an annual investigation of S. japonicum ...
Global climate change is a major threat to biodiversity, posing increasing pressures on species to adapt in situ or shift their ranges. A protected area network is one of the main instruments to alleviate the negative impacts of climate change. Importantly, protected area networks might be expected to enhance the resilience of regional populations of species of conservation concern, resulting i...
BACKGROUND Schistosomiasis remains a major public health problem in China. The major endemic areas are located in the lake and marshland regions of southern China, particularly in areas along the middle and low reach of the Yangtze River. Spatial analytical techniques are often used in epidemiology to identify spatial clusters in disease regions. This study assesses the spatial distribution of ...
Cet article analyse la façon dont se structure, en ces temps de contestation l’agriculture conventionnelle et l’aménagement vertical, une particulière gouverner pénurie d’eau pour l’irrigation agricole dans le Marais poitevin. De l’analyse l’élaboration dispositifs gestion à réserves substitution, il s’agit comprendre comment l’action publique, hésitant entre par diminution son prélèvement main...
The Iraqi (Mesopotamian) Marshes, an extensive wetlands system in Iraq, has been heavily impacted by both human and climate forces over the past decades. In the period leading up to the Second Gulf War in 2002, the marshlands were shrinking due to both a policy of draining and water diversion in Iraq and construction of dams upstream on the Tigris and Euphrates rivers. Following the war through...
classification. But her excellent use of aggregate data effectively sets the agenda for future research in this field. There was clearly a link between the epidemiological history of pre-industrial England and the topography of individual localities. Significantly, a number of vicars in the eighteenth century refused to reside in their marshland parishes because of "unhealthy air": given the pr...
Spotted flapshell turtle, Lissemys punctata was found in all types of habitats of Bangladesh. Of the 9 categories of habitats studied, the highest number (17.42%) of the turtle species was found in marshland followed by puddles (17.26%), agriculture fields (17.12%), streams (12.1%), canals (10.54%), tanks (10.39%), derelict ponds (9.18%) and domestic ponds (6.08%). Most of the time the turtle w...
Lemur social systems have the striking social feature, that adult females consistently evoke submissive behaviour of adult males. In the Alaotran gentle lemur, Hapalemur griseus alaotrensis, however, female dominance has not been studied yet. Here we con rm female dominance over males on the basis of a 5-month eld study of the social behaviour of four groups, in the Lake Alaotra marshland of...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید