. bao hu sheng wu xue. botany. 第2ç«. å¾ä½äºä¸-å½å¤§éæå端çæ¹æ±å¾é»ççç¤ç¾¤è½ï¼ä¸-å½ç§å-¦é¢åæµ·æµ·æ´ç 究ææä¾ï¼ ç群è½çå ¨é¢ç 究åç¸å ³ä¿æ¤æªæ½çå®æ½ä»¥åæ³è§çå¶å®è¿«å¨çç«ã 温带çä¸åèæ¬ç¾¤è½çé«å¤æ ·æ§å¯è§äºæ¾³å¤§å©äºè¥¿åé¨ãåéå¼æ®æ¦å°åºãç¾å½å å© ç¦å°¼äºå·ãæºå©ä¸-é¨åå°ä¸-æµ·çå°ãè¿äºå°åºé½å ·æå°ä¸-æµ·æ°åï¼å³å¬å¤©æ½®æ¹¿ãå¤å¤©å¹²ç- (Rundel 2001)ãå°ä¸-æµ·çå°çé¢ç§¯æå¤§ï¼ x 106 km2)ï¼æ¤ç©ç©ç§ä¹æå¤ï¼ä¸ç§ï¼ï¼è åéå¼æ®æ¦å°åºï¼å¨ä¸ä¸ªç¸å¯¹è¾å°çé¢ç§¯å ï¼7 x 104 km2)éä¸-çé¿çç¬ç¹çæ¤ç©ç±»ç¾¤ï¼8 550 ç§ï¼ãç±äºå¤æçå°çç¯å¢ç»å以åä¸¥é ·çç¯å¢æ¡ä»¶ï¼é¢ç¹çå¹²æ±åç«ç¾ï¼ï¼è¿äºå°åºçç ä¸åèæ¬ç¾¤è½çç©ç§ä¸°å¯åº¦é½å¾é


. bao hu sheng wu xue. botany. 第2ç«. å¾ä½äºä¸-å½å¤§éæå端çæ¹æ±å¾é»ççç¤ç¾¤è½ï¼ä¸-å½ç§å-¦é¢åæµ·æµ·æ´ç 究ææä¾ï¼ ç群è½çå ¨é¢ç 究åç¸å ³ä¿æ¤æªæ½çå®æ½ä»¥åæ³è§çå¶å®è¿«å¨çç«ã 温带çä¸åèæ¬ç¾¤è½çé«å¤æ ·æ§å¯è§äºæ¾³å¤§å©äºè¥¿åé¨ãåéå¼æ®æ¦å°åºãç¾å½å å© ç¦å°¼äºå·ãæºå©ä¸-é¨åå°ä¸-æµ·çå°ãè¿äºå°åºé½å ·æå°ä¸-æµ·æ°åï¼å³å¬å¤©æ½®æ¹¿ãå¤å¤©å¹²ç- (Rundel 2001)ãå°ä¸-æµ·çå°çé¢ç§¯æå¤§ï¼ x 106 km2)ï¼æ¤ç©ç©ç§ä¹æå¤ï¼ä¸ç§ï¼ï¼è åéå¼æ®æ¦å°åºï¼å¨ä¸ä¸ªç¸å¯¹è¾å°çé¢ç§¯å ï¼7 x 104 km2)éä¸-çé¿çç¬ç¹çæ¤ç©ç±»ç¾¤ï¼8 550 ç§ï¼ãç±äºå¤æçå°çç¯å¢ç»å以åä¸¥é ·çç¯å¢æ¡ä»¶ï¼é¢ç¹çå¹²æ±åç«ç¾ï¼ï¼è¿äºå°åºçç ä¸åèæ¬ç¾¤è½çç©ç§ä¸°å¯åº¦é½å¾é«ï¼Richardson et al. 2001)ã ä¸è¬èè¨ï¼æ¥è¿ç-带å°åºï¼ææçç©ç±»ç¾¤çå¤æ ·æ§é½è¡¨ç°åºå¢å çè¶å¿ãä¾å¦ï¼æ¥æ 大è´ç¸åå½åé¢ç§¯çæ³°å½åæ³å½ï¼å¨æ³°å½æ265ç§åºä¹³å¨ç©ï¼èæ³å½å´åªæ93ç§ï¼è¡¨ )ã é对æ æ¨åå ¶ä»æè±æ¤ç©çæ¯è¾æ´ä¸ºææ¾ï¼å¨äºé©¬éæ²³æµåçç§é²æ巴西ï¼é¢ç§¯10hm2ç 森æå¯è½ä¼æ300ææ´å¤çæ ç§ï¼ç¶èå¨æ¬§æ´²æç¾å½ç¸åé¢ç§¯ç森æå¯è½åªæ30ç§çè³ æ´å°çæ ç§ã æµ·æ´ç©ç§å¤æ ·æ§ä¸éå°ç©ç§å¤æ ·æ§çåå¸æ ¼å±ç¸ä¼¼ï¼ä¹æ¯è¶é è¿ç-带å°åºç©ç§å¤æ ·æ§ è¶ä¸°å¯(Worm et al. 2005)ã举ä¾æ¥è¯´ï¼æ¾³å¤§å©äºå¤§å ¡ç¤å端é è¿ç-带æ50个å±çé ç¤ç


Size: 1823px × 1371px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcollectionbiodiversity, bookcontributorli, booksubjectbotany