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. bao hu sheng wu xue. botany. 第17ç« ä¸-å½ä¿æ¤å¤§çç«åå ¶æ æ¯å°å·¥ç¨ 207. å¾17-1大çç«çåå²åå¸ å¹¶å¨è¯¥åä½ç 究çåºç¡ä¸å ±åç¼å¶äºãä¸-å½å¤§çç«åå ¶æ æ¯å°ä¿æ¤ç®¡ç计åãï¼MOFï¼ WWF 1989b)ï¼ä¸ºå¤§çç«çä¿æ¤ä¸ç®¡çæä¾äºç§å-¦çä¾æ®ãä¸-å½å级å¸æ³é¨é¨ä¹åäºå¤§éå·¥ä½ï¼å¯¹ çæ大çç«åååãèµ°ç§å¤§çç«ç®çç¯ç½ªæ´»å¨ç»äºä¸¥åçæå»ï¼ä¸ºå¤§çç«çä¿æ¤å·¥ä½ä½åºäº éè¦çè´¡ç®ã 尽管ä¸-å½å¨å¤§çç«çä¿æ¤æ¹é¢ä½åºäºæ大çåªå并åå¾äºä¸äºææï¼ä½æ¯è¿äºåªåä¸æ æåæªè½éå¶ä½å¤§çç«ç§ç¾¤æ°éä¸éåæ æ¯å°ç ´åä¸ç段åçæ¶åè¶å¿ã80年代è¿è¡çéå¤ è°æ¥è¡¨æï¼æä¸éä¼ãåèå¦èç-人类çç产活å¨ä¸ä» 使å¾å¤§çç«çæ æ¯å°é¢ç§¯ç±70年代ç 25 000km2åå°å°13 900km2ï¼çç«åå¸çèå´ä¹ç±45个å¿åå°è³34个ï¼å¾17-2ï¼å¾17-3) (æä¸é¨ï¼WWF 1989b)ãæ´ä¸ºä¸¥éçæ¯ï¼è¿äºç°å-çæ æ¯å°è¢«å²è£æåå 个ç¸äºéç»çå° åºï¼1 000å¤åªå¤§çç«è¢«éè·¯ãæ²³æµã森æçä¼å°åºãåç°åäººç±»å± ä½å°åå²æ20å¤ä¸ªå°ç¾¤ä½ï¼ æçå°ç¾¤ä½ä» æ3ã5åªå¤§çç«ï¼MOFï¼ WWF 1989a)ãè¿äºå°ç§ç¾¤å¯¹å½±åç§ç¾¤æ°éååç éæºå ç´ ååææï¼ææå¨å±é¨å°åºç-ç»ãæ æ¯å°çç段åä¹éå¶äºçç«ç¾¤ä½é´çåºå 交æµï¼ å éäºå è¿äº¤åéä¼ æ¼åé æçç§ç¾¤éä¼ å¤ææ§éä½çé度ï¼ç»å¤§çç«ç§ç¾¤çæ¢å¤é æäºå°. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration
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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectbotany
