达日县

青海省达日县棘球蚴病流行病学调查

Epidemiological Survey on Echinococcosis in Darlag County of Qinghai Province

以青海省达日县建设乡为例，简要介绍了应用MapInfo软件制作草地畜牧业各类专题统计地图的主要过程和基本方法。

The main process and basic method to making all kinds of thematic map of pastoral animal husbandry with Map Info were introduced with Dari County of Qinghai Province as an example .

近50a来达日县降水年增加率为0.557mm/a，而该县最大可能蒸散发量的年增加率为0.132mm/a，气候总体趋势是由干旱向湿润方向发生转变；

The main conclusions are as follow : 1 . During the past nearly 50 years , the increase rate of precipitation and evapotranspiration is 0.557mm/a and 0.132mm / a , so the climate of Dari changed from drought to moist .

青海省达日县退化草地研究Ⅱ退化草地成因分析与评估

Causes of Grassland Degradation in Dari County of Qinghai Province

过牧是达日县草地退化的主要原因；

Overgrazing is the main reason of grassland degradation in Dan County ;

青海省达日县草地状况遥感调查及退化原因研究

The Investigation of Grassland Degradation and Analysis about Degradation Reason in Dari County of Qinghai Province

青海省果洛州达日县在国家政策的扶持下，电线、公路通到了牧区的门口，当地在日新月异的变化。

Wires and roads has reached the door of pasture region , Dari County , Guo Luo State , Qinghai Province is changing quickly by the support of government policies .