(二)云南淡水湖泊治理中的矛盾1.云南淡水湖泊的现状云南是一个神奇美丽的地方,是集生物多样性、地理气候多样性以及民族文化多样性于一身的多民族大省,是祖国的生态屏障,同时,云南还是一个山地面积占全省土地面积的95%的省份,也是西南地区淡水湖泊多的省份,面积大于1 km2的淡水湖泊有300多个,总面积达1 060 km2,其中面积大于30 km2的高原湖泊就有9个:滇池、洱海、抚仙湖、泸沽湖、异龙湖、程海、阳宗海、杞麓湖、星云湖,简称“九大高原湖泊”,其面积虽然只占全省面积39.4万 km2的2%,
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BALDOR BC154 DC MOTOR ADTABLE SPEED CONTROL DRIVE 10.2A AMP RATED 63152
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但每年创造的国内生产总值却占全省的1/3以上。九湖流域还是云南粮食的主产区,汇集全省70%以上的大中型企业,云南的经济中心、重要城市大多位于九湖流域内。因此,水资源的保护尤其是淡水湖泊的水环境质量对云南经济社会的发展举足轻重,具有不可替代的作用然而,由于工业化进程、城市人口的增长和生活方式的变化,日益严重的湖泊污染以及水资源短缺问题日益成为制约其经济社会发展的重大问题。如今,九大湖泊中除泸沽湖为一类水,抚仙湖、洱海和阳宗海为二类(后者2008年9月变为劣五类),其余四大湖受到严重污染,水质劣于Ⅴ类,水体富营养化严重,蓝藻暴发频繁,甚至不能灌溉农田。环保部门认定,工业废水、生活污水、化肥残留物、垃圾等是污染湖泊的元凶。
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NO: FIF1OO2C-OO * 460V,15H,1/2/3HP,1,DYN TRANS/RES,FUJI
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BALDOR ID15H402-E ADTABLE SPEED DRIVE
NO: FIF1OO2C-OO * 460V,15H,1/2/3HP,1,DYN TRANS/RE

