. di li xue zi liao. botany. 162 å° På©. ^r- -?t P\ 1958å¹´ mmmt,æ°´^^åæè¶ã竹ãæ¡æ±ãæ¼ãWiã+nä»ç-帶ç¶æµæ æ¨ä»¥åå¯ä¾^èçæ¡æ ã (6 )é«å±±æ£®æ^:Xï¼å^æ¯é°å°åºSéè¦ç§å ´æå¨ï¼åå¸æ¼å¹¿å¤§çæµ·æ3ï¼000ç±³ 以ä¸çé«å±±åå,å°å¿é«å¯(大é¨åå°åºç¡éæä¸å°100天ï¼ãæ°´åå 足(å¹´é¨é300 â 500 ^ç±³ï¼ï¼ä»¥èå¯ç&è为丰ï¼å¨ç¡éæä¸-ç§èç^ä¹ç°flVè¿ é"ãä¸è¬å°åºä¸å®å èï¼ä¼¹å¨å±é¨æµ·æ3,000米以ä¸çå±±åä½^åæ²³æµå ©æä¹è¿ '^å°ï¼"æå°çå¹µè¾2)ãé½å¡ å¤ç´ä¸ºèå±±ï¼æ¥ç §å¼ºç,è質ä¼è¯ï¼ç²çé£åææ¼ä¸èï¼^被度50%以ä¸,æ¡¢æ ª^ 30â50 åç±³,以禾æ¬ç§çç¾½è 屬(Stipa spp.),å® ç¬¼èãæè(Aneurolepidium dmydachys [Trin.] Nevaki)åç©èè{Elymm
. di li xue zi liao. botany. 162 å° På©. ^r- -?t P\ 1958å¹´ mmmt,æ°´^^åæè¶ã竹ãæ¡æ±ãæ¼ãWiã+nä»ç-帶ç¶æµæ æ¨ä»¥åå¯ä¾^èçæ¡æ ã (6 )é«å±±æ£®æ^:Xï¼å^æ¯é°å°åºSéè¦ç§å ´æå¨ï¼åå¸æ¼å¹¿å¤§çæµ·æ3ï¼000ç±³ 以ä¸çé«å±±åå,å°å¿é«å¯(大é¨åå°åºç¡éæä¸å°100天ï¼ãæ°´åå 足(å¹´é¨é300 â 500 ^ç±³ï¼ï¼ä»¥èå¯ç&è为丰ï¼å¨ç¡éæä¸-ç§èç^ä¹ç°flVè¿ é"ãä¸è¬å°åºä¸å®å èï¼ä¼¹å¨å±é¨æµ·æ3,000米以ä¸çå±±åä½^åæ²³æµå ©æä¹è¿ '^å°ï¼"æå°çå¹µè¾2)ãé½å¡ å¤ç´ä¸ºèå±±ï¼æ¥ç §å¼ºç,è質ä¼è¯ï¼ç²çé£åææ¼ä¸èï¼^被度50%以ä¸,æ¡¢æ ª^ 30â50 åç±³,以禾æ¬ç§çç¾½è 屬(Stipa spp.),å® ç¬¼èãæè(Aneurolepidium dmydachys [Trin.] Nevaki)åç©èè{Elymm Nistans)ãèºè©ï¼Poa sphondylodei)ãç«å°¾è dHordmm vidaceum Bains et Huet)ç-为主ï¼èç§åèèç§è类次ä¹ï¼å¨å±±æºåï¼&ç 以èèç§ç§èè¼å¤ï¼ç¦¾æ¬ç§æ¬¡ä¹ï¼èåç¹å¥ä¸°èï¼å¤è¢«åº¦æ¥è¿100%ï¼ä¼¹å±é¨çªªæ¹¿å°^ç è«è¼å¤ï¼ç²çåæææè è¹ç ãé°å¡å¨æµ·æ3,200米以ä¸ä¸ºé«å±±èååéé¥å¶^交æï¼ æ帶ä¹ä¸å为æ³æ¡ï¼Sflto spp.)æ¨æ¬é»è±å§éµèï¼PoteMWa f ruticora Linn.)ç-çæ¨ä»¥ å飾QPotentilla reptanOãè³èãé¹ å é¼ï¼Affropyron spP.)ç-ä¼è¯ç§èï¼å¤è¢«åº¦70%以 ä¸ï¼ç¥¯å§é«50â100åç±³ï¼å¯^çä¹å¨80%以ä¸ãæ ¹æ®å½è¥ä¸è§åç¾å ´èª¿æ»ï¼è©²å ´è½ï¼å° (æµ·æ2ï¼900â3ï¼600ç±³)å¹³å^亩ä¸æ¬¡å¯å©ç¨éèéå¨é½å¡ä¸º259å ¬æ¤ï¼å¹³ç251å ¬æ¤ï¼ ^å¡302å ¬æ¤ï¼æ¹¿ç324å ¬æ¤ï¼éç
Size: 2345px × 1066px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectbotany
