Understand the migratory birds and wetland
Apr. 30, 2009
The wetland and migratory birds of hometown
How much do you know about our hometown’s ecological environment? What do you know about migratory birds and wetlands? What important parts do wetlands play in maintaining the ecological health of the earth? What is unique about our hometown’s Jingxin Wetland? Let us go and discover!
Tomorrow our teacher will take us to the Jingxin Wetland.What will we see there?I am expecting!
Apr. 13, 2009
Wetlands are located in terrestrial ecology and aquatic ecosystems of the transitional zone between, immersion in water in the soil of a particular environment, the growth of many of the characteristics of wetland plants. Widely distributed in wetlands all over the world, has many resources of wild animals is an important ecosystem. Many cherish the waterfowl breeding and migration can not be separated from the wetlands, the wetlands known as "birds of paradise."
Broadcasting from www.baidu.com
Apr. 12,2009
Apr. 12, 2009
Wetland and forests, oceans and called three nature ecosystem. Wetland ecosystem has many important ecological functions, such as: adjusting the climate, water conservation and biodiversity protection peak, slowing, environment pollution, so called the nature of the kidney.
Apr. 09, 2009
Jingxin Huichun wetlands located in the South, East and Russia Primorsky Territory border, southwest of the Tumen River and separated from the Democratic People's Republic of Korea Qing Xing male-based across the two counties, with a total area of about 21,000 hectares. According to records, wetlands have 32 kinds of fish, the vast and diverse humid environment for a wide variety of bird migration, proliferation and dwelling places, every year tens of thousands of waterfowl to the thriving here. (From Internet)
Apr. 06, 2009
The role of the wetland (1) : wetlands often provide water for residents living water, industrial production and agricultural irrigation water. Streams, rivers, and ponds, lakes have can directly use of water. Other wetland, like peat swamp forests can be shallow Wells of water.
(2) : we usually use supplementary groundwater water from underground mining there are many, but for the wetlands can supplement aquifers deep underground water. From the water wetland to aquifers can become part of the groundwater system, and can provide the surrounding area and water. If the wetland is damaged or lost, the inability to aquifers deep underground water, groundwater resources will decrease.
(3) adjust flow, flood control, wetland is a huge reservoir, can rise in heavy rains and rivers of water storage of excessive rainfall, period of the runoff out evenly, abate the downstream flooding, thus endangering wetlands protection is to protect the natural water system.
(4) protect embankment, wind.
Apr. 06, 2009