. bao hu sheng wu xue. botany. 48 ä¿æ¤çç©å-¦ ææçç©ç§å¯¹å ¶åè½çæ-£å¸¸åæ¥é½æè´¡ç®èä¸æ¯ä¸è½äºç¸æ¿ä»£çï¼Ehrlich, Ehrlich 1981)ã æ-£åç±ééåºå®çå¤ææºå¨ä¸æ ·ï¼ä»»ä½ä¸ä¸ªééç丢失é½ä¼ä½¿è¯¥æºå¨çä½ç¨åå°å½±åï¼è§å¾ 4-4b)o (3) ç¹å¼ååºå说ï¼Idiosyncratic response hypothesis):ç¹å¼ååºå说认为çæç³»ç»ç åè½éçç©ç§å¤æ ·æ§çååèååï¼ä½ååç强度åæ¹åæ¯ä¸å¯é¢æµçï¼å 为è¿äºç©ç§çä½ ç¨æ¯å¤æèå¤åçï¼è§å¾4-4C) (Lawton 1994)ã (4) é¶å说ï¼Null hypothesis):é¶å说认为çæç³»ç»çåè½ä¸ç©ç§å¤æ ·æ§æ å ³ï¼å³ç©ç§ çå¢åä¸å½±åçæç³»ç»åè½çæ-£å¸¸åæ¥ï¼è§å¾4-4d)ã. ç©ç§æ°ç® å¾4-4çæç³»ç»è¿ç¨ï¼å¦å级ç产ãæ¯è½ç©å解ç-ï¼çè¿å±éçä¸ç©ç§ä¸°å¯åº¦ä¹é´çå ³
. bao hu sheng wu xue. botany. 48 ä¿æ¤çç©å-¦ ææçç©ç§å¯¹å ¶åè½çæ-£å¸¸åæ¥é½æè´¡ç®èä¸æ¯ä¸è½äºç¸æ¿ä»£çï¼Ehrlich, Ehrlich 1981)ã æ-£åç±ééåºå®çå¤ææºå¨ä¸æ ·ï¼ä»»ä½ä¸ä¸ªééç丢失é½ä¼ä½¿è¯¥æºå¨çä½ç¨åå°å½±åï¼è§å¾ 4-4b)o (3) ç¹å¼ååºå说ï¼Idiosyncratic response hypothesis):ç¹å¼ååºå说认为çæç³»ç»ç åè½éçç©ç§å¤æ ·æ§çååèååï¼ä½ååç强度åæ¹åæ¯ä¸å¯é¢æµçï¼å 为è¿äºç©ç§çä½ ç¨æ¯å¤æèå¤åçï¼è§å¾4-4C) (Lawton 1994)ã (4) é¶å说ï¼Null hypothesis):é¶å说认为çæç³»ç»çåè½ä¸ç©ç§å¤æ ·æ§æ å ³ï¼å³ç©ç§ çå¢åä¸å½±åçæç³»ç»åè½çæ-£å¸¸åæ¥ï¼è§å¾4-4d)ã. ç©ç§æ°ç® å¾4-4çæç³»ç»è¿ç¨ï¼å¦å级ç产ãæ¯è½ç©å解ç-ï¼çè¿å±éçä¸ç©ç§ä¸°å¯åº¦ä¹é´çå ³ç³»ç¤ºæå¾ a.åä½ç§å说ï¼L.ééå说ï¼C.ç¹å¼ååºå说ï¼d.é¶å说 è¿äºå说对äºè§£éç©ç§å¨çæç³»ç»ä¸-çä½ç¨æ¯å¾æå¯åçãè½ç¶ç¨è¯éªæ¥éªè¯ä¸æ¯ä¸ä»¶ 容æçäºï¼ä½è¿æ¯æ人å¨èªç¶å人工çæç³»ç»ä¸-å¼å±è¿æ ·çå®éªå·¥ä½ï¼å¹¶åå¾äºä¸å®çè¿å±ã Lawton (1994)å¨è±å½Silwoodå ¬å-è¿è¡äºäººå·¥æ§å¶çæç³»ç»ï¼Ecotron)å®éªãä»ä»¬é æ©31ç§å¨ç©åæ¤ç©ï¼åå«ç»åæ3个å¤æ ·æ§æ°´å¹³ççæç³»ç»ï¼å æ¬9ã 15å31个ç©ç§ãæµ å®ççæç³»ç»è¿ç¨æ5个æ¹é¢ï¼â 群è½çå¼å¸ï¼C02æµéï¼ï¼â¡æ¯è½ç©å解ï¼å æ¬ç-æçï¼æ¾å¨ å°è¡¨çæ¯è½ç©è¢ï¼åé¿æçï¼åå¨åä¸-çç²æï¼ï¼â¢åå£¤å »åï¼éæNã Pã K);â£åå级ç 产åï¼â¤ä¿æ°´
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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectbotany
