. bei zi zhi wu de qi yuan he zao qi yan hua 被å-æ¤ç©çèµ·æºåæ©ææ¼å. botany. çæ åµç¸å(Scott, BarghoornåLeopold, 1960; Hughes, 1961; Pierce, 1961)ã å ¶æ¬¡ï¼å¨è®¨è®ºå°ä¸-ç½å ä¸çä¸äºè±ç²ç»åçä½è ï¼Pacltov6ï¼ 1961ï¼ Pierce, 1961ï¼ Bren- ner, 1963, Kemp, 1968)æ¾æ³¨æå°è¢«å-æ¤ç©è±ç²ç±»åçååï¼è¿è¿å°äºæ ¹æ®å¤§åç³ é´å®èç¡®å®çç±»åãæåï¼å¹¿æ³å°å°ä¸çä¸åå°åºçä¸-ç½å©ä¸å°å±å±åºï¼ä½æ´æ·±å ¥çç 究ï¼å·³ç»è¡¨æå¨è¢«å-æ¤ç©è±ç²åºç³»çå½¢æå¤æ ·æ§ä¸-ï¼éçå°å±çæ-£å¸¸æ¬¡åºèå¢å ï¼è¿æ ·ï¼ä»¥ è³äºä¸äºè¿ç»-åºç°çç±»åï¼è½å¤ç¬¦åäºåççè¿å次åºï¼èä¸æ¯ä¸äºæ å ³çãé便åºç°çã 被ä½ä¸ºæ¥èªæäºå ¶å®åå¸é¢å·³ç»ååçç§ç¾¤ç§»å± è çå è¿ç±»åï¼Doyle,
. bei zi zhi wu de qi yuan he zao qi yan hua 被å-æ¤ç©çèµ·æºåæ©ææ¼å. botany. çæ åµç¸å(Scott, BarghoornåLeopold, 1960; Hughes, 1961; Pierce, 1961)ã å ¶æ¬¡ï¼å¨è®¨è®ºå°ä¸-ç½å ä¸çä¸äºè±ç²ç»åçä½è ï¼Pacltov6ï¼ 1961ï¼ Pierce, 1961ï¼ Bren- ner, 1963, Kemp, 1968)æ¾æ³¨æå°è¢«å-æ¤ç©è±ç²ç±»åçååï¼è¿è¿å°äºæ ¹æ®å¤§åç³ é´å®èç¡®å®çç±»åãæåï¼å¹¿æ³å°å°ä¸çä¸åå°åºçä¸-ç½å©ä¸å°å±å±åºï¼ä½æ´æ·±å ¥çç 究ï¼å·³ç»è¡¨æå¨è¢«å-æ¤ç©è±ç²åºç³»çå½¢æå¤æ ·æ§ä¸-ï¼éçå°å±çæ-£å¸¸æ¬¡åºèå¢å ï¼è¿æ ·ï¼ä»¥ è³äºä¸äºè¿ç»-åºç°çç±»åï¼è½å¤ç¬¦åäºåççè¿å次åºï¼èä¸æ¯ä¸äºæ å ³çãé便åºç°çã 被ä½ä¸ºæ¥èªæäºå ¶å®åå¸é¢å·³ç»ååçç§ç¾¤ç§»å± è çå è¿ç±»åï¼Doyle, 1969a; Mul- ler, 1970)ãå·²ç»å¹¿æ³æ¿è®¤ç被å-æ¤ç©è±ç²å¨ç½å©çºªæ²ç§¯çå°å±å ³ç³»ä¸-çä½ç¨ï¼æ¯è¿äºå åå¾æ¡ä¸è´æ§çå®ç¨ææ (Zaklinskaya, 1962a,b; Couper, 1964; Pacltov^ 1971)ã æ们巳çæå½åçç 究ï¼å 为æ们ç¸ä¿¡éæ°ä¼°è®¡æ©æ被å-æ¤ç©å¤§åç³è®°å½ï¼ä¹è®¸ä¼æ å©äºè§£å³è±ç²åå¶å-论æ®é´çææ¾çç¾ï¼åæ¶ï¼ä¹è®¸å¯ä»¥äº§çæ°çæ´å¯è¢«å-æ¤ç©çåç åæ©æçè¿åãè´åäºä¸é¡¹è¾æ©çæè®®ï¼Doyle, 1969a,第22â23页ï¼ï¼æ们已æ¾å¼ä»¥ ç°ä»£çç§ç¾¤æ¥ä½ç³»ç»çé´å®ï¼ä½æ¯ï¼å´ä»¥å°å±åæ¯è¾å½¢æçæ¹æ³è®ºæ¥ä»£æ¿ï¼é ·ä¼¼äºå¶å®ä¸ 个解éææ©éå°æ¤ç©å¯è½çè¿åéå¾ï¼Banks, 1968, 1972ï¼ Chaloner, 1970)ã æ们ç¸ä¿¡ï¼ç¨Hickey (1973)çå¶å-ç»æå¾ç¶
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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectbotany
