. du jiang yan sheng wu duo yang xing yan jiu yu bao hu. botany. å¾2-3é½æ±å °å壤类åéæµ·æåå ' The Vertical Soil Variation of Dujiangyan å壤çå½¢æåè¯ä»· æ ¹æ®å°è²ç±»ååºçæ°´ç-æ¡ä»¶åå壤形æãå壤类åãå壤å©ç¨ç-åºæ¬æ¡ä»¶ï¼å ¨å·¿çå 壤å¯å为4个å壤åºå7个äºåºã (1) 'fWJMå²æ´ªç§¯æ°´ç¨»l:K » æ¬åºæµ·æ为600 ~ 750 mï¼å¯å为两个äºåºã 1) ç°è²æ½®æ§æ°´ç¨»åäºåºä¸»è¦åç§å æ¬æ²¹ç ã大åæ²¹ç ãåæ³¥ç ãäºæ³¥ç ç°ãç´«æ½®åã ç°è²å¤§æ½®åãæ¼ç°ãäºæ¼ç°ãç ç°ç-10ç§ã主è¦åå¸å¨é马河ã走马河ãæ±å®æ²³ãè²é³æ²³ãæ æ¡æ²³çä¸çº§å°å°ãä¸è¬é«åºæ²³åº3 ~5 mãå å°å¤å²·æ±å²ç§¯æ顶é¨ï¼å¨æ²³æµåºå£ï¼æµéæµ éåè¾å¤§ï¼æ æ²ç§¯çæ¾


. du jiang yan sheng wu duo yang xing yan jiu yu bao hu. botany. å¾2-3é½æ±å °å壤类åéæµ·æåå ' The Vertical Soil Variation of Dujiangyan å壤çå½¢æåè¯ä»· æ ¹æ®å°è²ç±»ååºçæ°´ç-æ¡ä»¶åå壤形æãå壤类åãå壤å©ç¨ç-åºæ¬æ¡ä»¶ï¼å ¨å·¿çå 壤å¯å为4个å壤åºå7个äºåºã (1) 'fWJMå²æ´ªç§¯æ°´ç¨»l:K » æ¬åºæµ·æ为600 ~ 750 mï¼å¯å为两个äºåºã 1) ç°è²æ½®æ§æ°´ç¨»åäºåºä¸»è¦åç§å æ¬æ²¹ç ã大åæ²¹ç ãåæ³¥ç ãäºæ³¥ç ç°ãç´«æ½®åã ç°è²å¤§æ½®åãæ¼ç°ãäºæ¼ç°ãç ç°ç-10ç§ã主è¦åå¸å¨é马河ã走马河ãæ±å®æ²³ãè²é³æ²³ãæ æ¡æ²³çä¸çº§å°å°ãä¸è¬é«åºæ²³åº3 ~5 mãå å°å¤å²·æ±å²ç§¯æ顶é¨ï¼å¨æ²³æµåºå£ï¼æµéæµ éåè¾å¤§ï¼æ æ²ç§¯çæ¾ãé¢ç²è¾ç²ãç±äºæ¯è´¨åæ°´è´¨çå½±åï¼å壤å¤å±ä¸-æ§å微碱ï¼æ轻微 çç¢³é ¸çååºãå ¶æåæ¯è´¨ç¿è´¨å »å丰å¯ï¼çåç¨åº¦é«ï¼å èè¥åé«ï¼éç§åº¦å¹¿ãå ¶åè å°å å ¨å¸åèé¢ç§¯ç70% ï¼æ¯ä¸»è¦çç²®é£äº§åºã 2) 洪积æ§é»æ³¥æ£ç´«æ³¥æ°´ç¨»åäºåºä¸»è¦åç§æ夹ç ç°ãé»æ³¥til ãç 111 ãæ-»é»æ³¥ãç½è® æ³¥ãåç æ³¥ãæ¼ç°ãäºæ½¸m ãåµä¸« 1^æ³¥ãå°åé»æ³¥ç-31ç§ãåå¸å¨æ²æ²³æ²ä»¥Iå¡1ï¼ä»¥åéå¤ãè² é³ã驾è¹ãé马ãå´ä¹ç-å°çæµ ä¸å°å¸¦æ¬åºæ¯æ²¿å±±å¹³å洪积ç©ãç±äºæ´ªæ°´æ¬è¿åå°å½¢å½± Elevation æµ·æm 4800 4200 3600 3000 2400 1800 1200 600 èç¸ å ï¼3 500~ 4200 m)' æ²¹ç½é¡¶Top Yoiiguan ï¼å±±å°ç°ååï¼2600 ~ 3500 m) å±±å°æ'


Size: 3585px × 697px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcollectionbiodiversity, bookcontributorli, booksubjectbotany