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ÔÎÄ£º±¾ÏîÄ¿Äâ´ÓÈýÏ¿¿âÇøÈýÆÚÊàŦ¹¤³ÌÕý³£ÐîË®(175mˮλ)ÑéÊպ󣬷ÖÎö¿âÊ×Ò˲ýïö¹éÖÁ¿âÎ²ÖØÇì½½ò½¶ÎË®ÖÊ¡¢Ë®ÎÄÌØÐÔ¡¢Äàɳº¬Á¿¡¢¸¡ÓÎÖ²ÎïµÄÖÖÀà×é³É¡¢Ãܶȡ¢ÓÅÊÆÖÖ¼°¶àÑùÐԳ̶ȵÄʱ¿Õ±ä»¯£¬½Òʾ¸¡ÓÎÖ²Îï¶Ôˮɳ¹ý³Ì±äÒìµÄÏìÓ¦»úÖÆ£¬»Ø´ð´óÐÍË®ÀûÊàŦ½¨Éè¶ÔÈýÏ¿¿âÇøÉú̬»·¾³Ó°ÏìµÄ¿ÆÑ§ÎÊÌâ¡£ ÉÏÃæÊÇÎÒÃǵÄÎÄÕÂÔÎÄ£¬ÏÂÃæÊÇÎҵķÒ룬Çë´ïÈ˰ïæÐÞ¸ÄÏ£¬¶àл¡£ ÒëÎÄ£ºThe project intends to be carried out when the water level of the Three Gorges Reservoir rose to 175 m in three stages. Water quality, hydrological characteristics, sediment concentration, phytoplankton species composition, density, dominant species and diversity, temporal and spatial variation will be analysed range from Yichang Zigui upstream to Chongqing JiangJin downstream. The date will indicate the mechanisms of phytoplankton responding to the flow and sediment process variation. The impact on ecological environmental in the three gorges reservoir area resulting from large water conservancy hub will be expounded. |
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- ×¢²á: 2006-12-16
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