Henan Danjiang Wetland National Nature Reserve

History

In 1997, the county established and Dan Nature Reserve was established.

In August 2001, approved the establishment of Henan Province Xichuan Danjiangkou Reservoir Wetland Provincial Nature Reserve.

In April 2007, the State Council approved the construction of Henan Dan River Wetland National Nature Reserve.

geography

Location

Henan Dan River Wetland National Nature Reserve is located in the southwest of Xichuan County of Henan Province, it is located in Henan, Shaanxi, Hubei provinces at the junction, north of Xixia County, east and Dengzhou Neixiang County, adjacent to the south by Danjiangkou City of Hubei Province and Laohekou, West County, Shaanxi Province and Hubei Yun County. Geographical coordinates east longitude 111 ° 12'34 "~ 111 ° 39'49", latitude 32 ° 45'25 "~ 33 ° 05'27".

Dan River Wetland National Nature Reserve Management Office Dan River Bridge station

Climate

protection belonged to the north sub-tropical continental monsoon climate. The average annual wind speed 1.8 m / sec. The annual average temperature is 15.8 ℃, extreme maximum temperature of 42.6 ℃, extreme minimum temperature of -13.2 ℃. January average temperature 2.4 ℃, the average July temperature of 28.4 ℃. Of greater than 0. ℃ accumulated temperature above 5600 deg.] C; accumulated more than 5 ℃ 5500 deg.] C; average more than 10 ℃ accumulated temperature is 5123.2 ℃, frost-free period of 228 days, from about early frost in early November, about the end of March frosty In late. Average annual precipitation is 804.3 mm, and more concentrated at 7--9 months, evaporation is 1743.8 mm.

topography_geomorphy

protected areas located in the Qinling Mountains Mountains southeast extension of the lot, terrain from northwest to southeast tilt, turn presents three kinds of landforms mountains, hills, river plain. There are about 900 meters above sea Monkey Mountain, Xianglushan, Kaneko mountain, Xiao Shan, slot Hill, Xichuan west and south-west Qinling and Daba Mountains, Hubei junction of Taishan Department Zoumaling was something the two peaks, respectively altitude 1033 meters and 1086 meters, is the highest peak in Xichuan county. Zhu Hill Library, Nanshan District, the three Eagle's Nest, Ma Tau mountain, at an elevation of 450-500 meters, storage East South-West edge of the Nanyang Basin, northwest projection eastward expansion of the formation of horseshoe-shaped terrain.

soil

protected areas since generations Xing ditch - Yuhuangding - head monk mountain line as the boundary is divided into north and south two, the north mostly ancient metamorphic rocks, mainly gneiss ; deep south, mostly sedimentary rocks, limestone-based soil mostly for ballast soil cinnamon soil subclass. Dan River, River to River irrigation sedimentary rocks. Soil leaching into the soil, soil fertility beginning, half water into the soil three soil orders, warm and moist soil leaching, soil fertility rocky beginning, half light water into the soil three subclasses, yellow brown, cinnamon soil, purple soil, soil types Chao soil 4, a typical yellow brown typical cinnamon soil, soil neutral purple, purple calcareous soils, typical soil, gray damp soil 6 subgroups.

River

protected areas have Danjiangkou Reservoir, and Dan River and its tributaries Tao River, Qihe, stork River, Diao River. Danjiangkou Reservoir water mainly for Dan River and its tributaries, water imported Han River, the water source for the water diversion project midline.

regional

64,027 hectares of the total area. The core area of ​​21,358 hectares, the buffer area of ​​17,609 hectares, the experimental area of ​​25,060 hectares. Covering large Shiqiao Township Xichuan County Tao Xiang, gold town, Shengwan Zhen, the old town, the town barns and stirrup town seven towns.

protected areas to the east border town stirrup quadrangular Village (531 meters elevation points) southwards through the mother cliff, too Baizhai Dong stirrup to town with flowers town boundaries, along the surface of the water dividing line to the barn Town Village ridge beam; southern boundary to the ridge beam barn Town Village by Shigaoshan 285 meters elevation point, complete home camp 197 meters elevation point, Pham Gia camp 245 meters elevation wangzhuang point to point only 323 meters elevation;

< p> Henan-Hubei provincial boundary to the west, north through Taibaiyan 1010.6 elevation point to the female flower Village 1086 meters elevation points only by Yangjianao 789 meters, 896 meters, 881 meters elevation to a shady spot along the river by Yang Gang 362 meters elevation point, the government Shengwan Zhen Dong 289 meters elevation points to Song Bay 210 meters elevation points, Northwestern again by Tao Tau Village Township 363 meters elevation point, Henan-Hubei provincial boundaries, Phoenix head elevation point 303 Tai southern Gulf of 321.6 meters Shiqiao Township mill valley summit ended;

bounded on the north to the south east large Shiqiao Township 321.6 m peak Bay mill valley Village by Phoenix 713 meters elevation point, Lei Feng Pass 621 meters elevation point, Ma ditch 286 meters elevation 300.7 meters elevation seedling point to point along the large Shiqiao Township - old town old town by road southwest of South government 210 meters elevation point, Patio Man elevation 482.5 points to Golden Bay town Du Du to the northwest ridge beam ridge beam across the Bay, south to the town of rectangular stirrup Village (531 meters elevation point) only.

conservation goals

protected

Dan River Wetland National Nature Reserve belongs to the type of wetland and water ecosystems of protected areas, the main object of protection: Typical full secondary inland estuary wetland ecosystems; North water Transfer project water sources and water conservation forest; black stork, white crane, represented by rare waterfowl and their habitats; rare animal and plant resources and rich biodiversity.

Plant Resources

As of 2004, 63 families protected areas have 461 kinds of woody plants, shrubs jujube, holly, lespedeza and other 156 kinds, vines have multiflora rose, green vine, 26 kinds of strips Ge, Pennisetum 410 kinds of herbaceous plants, grass, sedges and the like.

which included two national key protected wild plants there are seven Cercidiphyllum, incense trees, Eucommia, ginkgo.

Animal Resources

As of 2004, 20 species of mammals in protected areas, bird poultry leopard, deer, roe deer, wolves, jackals, which are vultures, owls, red-bellied pheasants Osprey, quail and other 23 species of amphibians, there marsh frog, giant salamander, gargarizans, otter, turtle, turtle 6 species of reptiles cauliflower snake, 8 yellow lever snakes, vipers and other aquatic class of silver carp, carp , carp and other 13 kinds of insects ladybugs, earthworms, spider, butterflies 500 kinds.

wherein, included in the national level to protect birds white stork, black stork bustard; embodiment included in the national birds II are duck, swan, Little Swan, crane, and bird protection agreement included Japan has mallard, green-winged duck, Baikal Teal, Gadwall and so on.

management measures

authority

Dan River Management Unit Henan Wetland National Nature Reserve Wetland National Nature Reserve Management Office Henan Dan River, deputy department level institutions. Set up the office, Resource Conservation Section, Division of Community Affairs, Science and Education Division, under the jurisdiction of Dan River Bridge, Old Town, stirrup, suburban, Sheng Bay, warehouse management station 6 and 9 protection point.

Administration Regulations

core area of ​​absolute protection, the experimental zone right amount of bioavailable activities; determine specialized agencies and staff to draw up regulations, technical standards and management rules of protected areas ; develop a list of protected wildlife sanctuary, grasp the laws of growth and decline of biological resources; closing hillsides to facilitate the development of hunting system, rare species protection systems, terrestrial wildlife protection, forest fire control system; forest fire lookout tower built in the region, protection station and office space and other infrastructure, equipped with scientific equipment, fire equipment and other facilities.

utilization

Henan Dan River wetlands and the implementation of fast-growing forest shelterbelt construction of national nature reserves, carry out economic forest planting, reeds and reed bamboo processing industry, aquaculture, farm music and other projects reduce resource dependency protected areas and destruction of communities. As of 2010, a total protected area of ​​the main tourism resources in eight major categories, 23 subcategories, out of 49 basic types. Landscape of which 29, 20 at the water scenery, biological landscape 33 and the like.

conservation value

Henan Dan River Wetland National Nature Reserve is a typical secondary inland estuary wetland ecosystem, rare wild plant and animal species, it is to carry out monitoring of wetland ecosystems and educating the natural evolution of the field of laboratory research. Protected areas as North Water Transfer Project source region, protected areas are of great strategic significance to ensure sustainable social and economic development of the people of Beijing and Tianjin drinking water quality, water resources and strategic security in North China, the protection of endemic species resources, a healthy ecosystem circulation, of great practical significance.