نتایج جستجو برای: Ramsar wetlands
تعداد نتایج: 10608 فیلتر نتایج به سال:
A country-wide inventory of important wetlands was undertaken in Lithuania in 19961999, covering more than 80 wetlands with a total area of about 130 000 ha. Intensive field surveys (land-based, aerialand boat-surveys) were performed at all sites. The Ramsar Information Sheet and data recording methodology was used as the basis for the structure of the inventory. Results of the field surveys r...
Nepal houses only inland freshwater wetlands, ranging from floodplains of snow-melt-fed cold Himalayan rivers, warm rivers originating in the mid hills, high altitudinal glacial lakes to hot springs, ponds, ox-bow lakes, marshes and swamps. These wetlands support several endemic and globally threatened species of flora and fauna. Besides, wetland sites have significant recreational, religio-cul...
Conservation and wise use of wetlands has been given priority world over. India harbours diverse types of wetlands. This study highlights the findings of the national-level inventory and assessment of wetlands carried out using RESOURCESAT-1 LISS-III data of 2006–07 at 1 : 50,000 scale. A hierarchical system comprising 19 classes based on Ramsar definition has been used to classify the wetlands...
Alligator weed Alternanthera philoxeroides (Mart.) Griseb (Amaranthaceae) is being reported for the first time from Kashmir, India. Alternanthera philoxeroides was collected in 2008 during the vegetation survey of Wular Lake, a wetland of international importance under Ramsar convention. Alternanthera philoxeroides is a noxious invasive weed widespread throughout the world. We suggested that al...
Wetlands are critical habitats for birds. However, wetlands are being degraded at an accelerating rate due to global human activity, and a disproportionate fraction of wetland-dependent bird species are in decline. We evaluated the conservation value of a new Ramsar site, Guangdong Haifeng Wetlands, China, for birds, by comparing bird communities (using line transect data) in 3 different distri...
Determination of environmental water rights of Amirkalayeh wetland is one of goals for improving of water quality environmental protection and ecosystem restoration dependent on it. This tends to preserve the natural environment and biological values of wetlands. Amirkalayeh wetland is one of important international wetlands recorded in the International Convention for the Protection of Wetla...
The Ramsar Convention (or the on Wetlands), signed in 1971, was one of first international conservation agreements, promoting global wise use wetlands. It has three primary objectives: national designation and management wetlands importance; general wetlands; cooperation. We examined lessons learnt for improving wetland after Ramsar’s nearly five decades operation. number Site Network grown ove...
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