The reporter saves place of atmosphere scientific research to understand from Qinghai, 3 rivers sourceWet protective rehabilitate technology studies the task is checked and accept through the spot recently. This one task considered to master differ to protect the executive effect with repair technology wetly, for farther formulate area of 3 rivers source protected countermeasure wetly to provide scientific basis.
Qinghai saves Li Fengxia of director of institute of atmosphere scientific research to introduce, 3 rivers sourceWetProtective rehabilitate technology studies the task was started in Feburary 2007. The researcher is in the Long Bao of area of 3 rivers source, lake that plunge into hill - sea of E Ling lake, star built a many mus 1000 demonstrative division each. In these demonstrative areas, the researcher adds rain, crawl to seal Yo, pilot a ship into a harbour to irrigate artificially respectively, kind group built 4 wet protection such as establish and repair technology to have a test artificially.
Pass a test, the researcher mastered different technique to be opposite the repair effect of the grazing crop of wet ground, biomass and edaphic humidity. Add rain artificially wet to increasing precipitation, wet biomass and edaphic humidity have apparent effect; Crawl Feng Yoke raises grazing considerably existent quantity, existent quantity is grazing of the area that seal Yo to put a pasturing area freely 4 times much; Pilot a ship into a harbour irrigates can increase careless field primary productivity; Plant group of artificial prooves that build plant area of 3 rivers source degrades wet vegetation restores to be able to pass meadow of establish of person type of work get resumptive, degrade clearly aptly of wet rehabilitate hang down spic wraps around the species such as alkaline grass and cold early standing grain.
Area of 3 rivers source is the highland with important Qinghai-Tibet Platean wet ground distributinging area. Highland wet ground is China's peculiar wet type, basically distributing in altitude the area of 3 rivers source of 3300 meters of above is mixed bottom of the cereal between hill and lake group flat. The water system birthplace such as the Yangtse River, Yellow River and river of billows dark blue, angry river distributings those who have large area is laky and downy marsh and fenny meadow, make Chinese height above sea level one of high cold wet ground with highest, the largest area.
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