Environment °æ (¾«»ªÇø)

·¢ÐÅÈË: ignorance (¹Â¶ÀÒ»½£), ÐÅÇø: Environment
±ê  Ìâ: Öйú21ÊÀ¼ÍÓÅÏÈÏîÄ¿¼Æ»®(2.2)
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (Fri Jul  2 08:52:46 1999), ×ªÐÅ

2-2 »Æ »´ º£ Æ½ Ô­ Å© Òµ Óë Å© ´å ¿É ³Ö Ðø ·¢
                               Õ¹ 



0 Ïî Ä¿ Óë ¡¶ ÖР¹ú 21 ÊÀ ¼Í Ò頳̠¡· ÎÄ ±¾ µÄ ¹Ø Ïµ 

¸Ã Ïî Ä¿ À´ ×Ô ¡¶ ÖР¹ú 21 ÊÀ ¼Í Ò頳̠¡· 11A ¡¢ 11D ¡¢
11E ¡¢ 11FÓ렸àÏî Ä¿ ÓР¹Ø µÄ ¡¶ ÖР¹ú 21 ÊÀ ¼Í Òé ³Ì
¡· Áì Óò Îª :11B ¡¢11C ¡¢ 11G

1 ±³ ¾° 

1.1 Òâ Òå 

»Æ »´ º£ Æ½ Ô­ ÊÇ ÖР¹ú ×î ´ó µÄ Æ½ Ô­ £¬ ÊÇ ÓÉ »Æ ºÓ ¡¢
»´ ºÓ ¡¢ º£ ºÓ µÈ Öî ºÓ Ï ÓΠ³Á »ý ¶ø ³É ¡£ µØ ¿ç ºÓ ±±
¡¢ºÓ ÄÏ ¡¢É½ ¶« ¡¢½­ ËÕ ¡¢°² »Õ ¡¢±± ¾© ¡¢Ìì ½ò Æß Ê¡ ¶þ
ÊР¡£ º£ °Î ÔÚ 50 ¡ª 150 Ã× Ö® ¼ä £¬ Ãæ »ý 32 Íò Æ½ ·½
¹« Àï £¬ Õ¼ ÖР¹ú Æ½ Ô­ Ãæ »ý µÄ 30% ¡£ ÓР¸û µØ 2.7 ÒÚ
Ķ £¬ ½ü È« ¹ú µÄ 1/5 ¡£ 

¸Ã Æ½ Ô­ Êô Å¯ Î ´ø °ë Êª Èó Æø ºò £¬ ¹â ÈÈ Ë® ×Ê Ô´ ·á
¸» ¡£ 1949 Äê ÒÔ À´ £¬ ¿ª Õ¹ ÁË ÖР¹ú ×î ´ó µÄ ¹à ¸È ¹¤
³Ì ½¨ Éè £¬ÏÖ ¹à ¸È Ãæ »ý Õ¼ ¸û µØ 56% ¡£ Âó Ìï Êµ ÐРһ
Äê Á½ Êì £¬ ¸´ ÖÖ Ö¸ Êý ½ü 160% ÒÔ ÉÏ ¡£ Ö÷ ²ú Âó ¡¢Óñ
Ã× ¡¢ ÃÞ »¨ ¡¢ ´ó ¶¹ ¡¢ »¨ Éú µÈ £¬ ÔÚ È« ¹ú Å© ²ú Æ· ÖÐ
µÄ ·Ý ¶î Ð¡ Âó Õ¼ 40% £¬ ÃÞ »¨ 56% £¬ Óñ Ã× ¡¢ ´ó ¶¹ Õ¼
1/4 £¬ ÔÚ ÖР¹ú Å© Òµ Éú ²ú ÖР£¬ ¾ß ÓР¾Ù ×ã Çá ÖØ µÄ
µØ Î» ¡£ ¸Ã Æ½ Ô­ Å© Òµ Óë Å© ´å µÄ ³Ö Ðø ·¢ Õ¹ ¶Ô ÖР¹ú
µÄ ³Ö Ðø ·¢ Õ¹ ¾ß ÓРÖØ ´ó µÄ ×÷ Óà¡£ 

1.2 »ù ´¡ Óë Ìõ ¼þ 

¸Ã Æ½ Ô­ µØ ´¦ ÖР¹ú µÄ ÖРÐÄ ¡£ ±± ÓР¾© ¡¢ ½ò Á½ ´ó ³Ç
ÊР£¬ ÄÏ ÒÀ ³¤ ½­ ¾­ ¼Ã ´ø £¬ ¶« °ø ²³ º£ Ó렻Ơº£ £¬ ¾­
¼Ã ¡¢ Íâ Ã³ ¡¢ ÎÄ »¯ ¡¢ ½» Í¨ ¡¢ ¹¤ Òµ ¡¢ ÉÌ Òµ ·¢ ´ï ¡£
Å© Òµ Óë Å© ´å ¾­ ¼Ã ·¢ Õ¹ ÓР¾Þ ´ó Ç± Á¦ ¡£ 

´Ó Îå Ê® Äê ´ú Æ𠣬 ¹ã ´ó ¿Æ ¼¼ ÈË Ô± ÒÑ ¿ª Ê¼ ¶Ô ¸Ã Çø
ÑΠ×Õ ÍÁ ¡¢ É³ ÍÁ ¡¢ É° ½ª ºÚ ÍÁ µÈ ½ø ÐРÍÁ ÈÀ ¸Ä Á¼ £¬
¹ú ¼Ò ÈϠʶ µ½ ¸Ã Çø Å© Òµ µÄ ÖØ Òª ÐÔ Óë ¾Þ ´ó Ç± Á¦ £¬
´Ó µÚ Áù ¸ö Îå Ä꠼Ơ»® ¿ª Ê¼ £¬ Áì ÏÈ ÓÚ ÖР¹ú Æä Ëü Å©
Òµ Çø Óò ÂÊ ÏÈ ½ø ÐР¹ú ¼Ò ¼¶ µÄ ¿Æ ¼¼ ¹¥ ¹Ø ÐР¶¯ ¡£ 
° Æß Îå ¡± ÆÚ ¼ä »ù ±¾ Í꠳ɠÍÁ ÈÀ ¸Ä Á¼ ¡¢ ÖРµÍ ²ú Ìï
¸Ä Ô젺͠Çø Óò Å© Òµ ×Û ºÏ ÖΠÀí ½× ¶Î ºó £¬ ¡° °Ë Îå ¡±
¿ª Ê¼ ½ø ÐР»Æ »´ º£ Æ½ Ô­ Å© Òµ ³Ö Ðø ·¢ Õ¹ ×Û ºÏ ¼¼ Êõ
ÑР¾¿ ¡£ Ä¿ Ç° £¬ ÒÑ °´ ²» Í¬ Éú Ì¬ Ìõ ¼þ Àà ÐÍ ½¨ Á¢ Æð
12 ¸ö ¿Æ ¼¼ ÏÈ µ¼ ÐÍ ÊÔ Ñé Çø £¬ Åä ±¸ ÓР±Ø Òª µÄ ÒÇ Æ÷
Éè ±¸ ¡¢ Éú »î Ìõ ¼þ ºÍ Ò° Íâ Êµ Ñé Õ¾ ¡£ Ä¿ Ç° Ô¼ ÓÐ
370 ¶à Ãû ÓР¸ß ¼¶ Ö° ³Æ µÄ ¿Æ Ñ§ ¼Ò ²Î ¼Ó ´Ë Ïî ÑР¾¿
Óë ¿ª ·¢ ¹¤ ×÷ ¡£ ¹ú ¼Ê ³Ö Ðø Å© Òµ Ð­ »á (WSAA) ¡¢ ÃÀ
¹ú Å© Òµ ²¿ ³Ö Ðø Å© Òµ ÑР¾¿ ºÍ ½Ì Óý Ïî Ä¿ (SARE ¡¢
USDA) Óë ´Ë Ïî Ä¿ ÒÑ ¿ª Ê¼ ³õ ²½ ºÏ ×÷ ¡£ 

1.3 ´æ ÔÚ ÎÊ Ìâ 

¸Ã Æ½ Ô­ Å© Òµ ÈÔ Ãæ ÁÙ ×Å Ó° Ïì ³Ö Ðø ·¢ Õ¹ µÄ Ò» Ð© ÑÏ
ÖØ ÎÊ Ìâ ¡£ Ò» ÊÇ ÊÜ ¼¾ ·ç Æø ºò Ó° Ïì £¬ ºµ ÀÔ Íþ Ð² ÈÔ
½Ï ÑÏ ÖØ £¬ ¿¹ Óù ×Ô È» ÔÖ º¦ µÄ ÄÜ Á¦ ½Ï ´à Èõ £» ¶þ ÊÇ
Ëæ ×Å ¾­ ¼Ã Óë Å© Òµ µÄ ·¢ Õ¹ £¬ Ë® ×Ê Ô´ ÑÏ ÖØ ²» ×ã ÒÑ
³É Îª ¸Ã µØ Çø Å© Òµ ³Ö Ðø ·¢ Õ¹ µÄ ÖØ ´ó Íþ Àß ¡£ Ò» Ð©
µØ Çø Ç³ ²ã Óë É㠵ؠÏ ˮ ²» ¶Ï Ï ½µ £¬ ³ö ÏÖ Ðí ¶à
© ¶· ÏÖ Ïó ¡£ ÔÚ Å© Òµ ¡¢ ³Ç ÊР¹¤ Òµ Óë Ïç Õò Æó Òµ ·¢
Õ¹ µÄ Í¬ Ê± £¬ Å© ´å Å© Ìï ¡¢ Å© ²ú Æ· µÄ Î۠Ⱦ ÎÊ Ìâ Ò²
ÈÕ Ç÷ ÑÏ ÖØ £» Èý ÊÇ Ðí ¶à Å© ´å ÈÔ ´¦ ÔÚ ´« Í³ Å© Òµ µÄ
×Ô È» ¾­ ¼Ã ½× ¶Î £¬ Å© Òµ ½á ¹¹ µ¥ µ÷ ¡¢ Ïç Õò Æó Òµ Âä
ºó ¡¢ Å© Ãñ ÊÕ È렵͠£¬ Ðí ¶à µØ Çø Å© Ãñ ÈË ¾ù ´¿ ÊÕ Èë
µÍ ÓÚ È« ¹ú Æ½ ¾³Ö Ðø ·¢ Õ¹ ·½ Ãæ £» 
      ¼¼ Êõ ×ɠѯ Óë ÈË Ô± Åà Ñµ £» 
      ¾ö ²ß ºÍ ÐŠϢ Ö§ ³Ö Ïµ Í³ µÄ Èí ¼þ Óë Ó² ¼þ ¡£ 

¼¼ Êõ ºÏ ×÷ Óë ½» Á÷ : 

      ºÏ ×÷ ÑР¾¿ »Æ »´ º£ µØ Çø Å© Òµ ³Ö Ðø ·¢ Õ¹ µÄ Õ½
      ÂÔ Óë ÓÅ »¯ Ä£ Ê½ £» 
      ½Ú Ë® Å© Òµ ¼¼ Êõ £» 
      Éú Ì¬ »· ¾³ ±£ »¤ ¼¼ Êõ £» 
      ¶à Ê져ߠ²ú ¸ß Ð§ ¼¼ Êõ µÈ 

ʾ ·¶ »ù µØ ½¨ Éè : 

      Å© Ìï Ìõ ¼þ ½¨ Éè ¡¢ ÍÁ µØ ¿ª ·¢ Àû Óà¡¢ ¼Ó ¹¤ Éè
      ±¸ ½¨ É蠵Ƞ¡£ 
      ×Ê ½ð Õù È¡ ¹ú ¼Ê Ôù ¿î »ò µÍ Ï¢ ´û ¿î ¡£ 

4.3 ·Ñ ÓàԤ Ëã 

Ö´ ÐРÉÏ Êö ¼Æ »® ÐР¶¯ ¹² Ðè ¾­ ·Ñ £· £¸ £¸ £° Íò ÃÀ Ôª
¡£ ¸÷ Ïî ·Ñ Óà¼û Ï ±í :

¡¡

                                                ( °Ù Íò ÃÀ Ôª )

       Ðж¯ 
              ¹ú ÄÚ ×Ê
                 ½ð 
                        ¹ú ¼Ê
                        Ôù ¿î 
                               ¹ú ¼Ê Èí
                                 ´û 
                                        ×ܼƠ
                                              ¹ú ¼Ê Ôù ¿î
                                                 Ô¤ Ëã 
          1
                0.8
                         0.6
                                  ¡¡
                                         1.4
                                               ×¨ ¼Ò ·Ñ
                                                Óà0.4
          2
                2.0
                         1.4
                                 2.0
                                         3.4
                                               Éè ±¸ ·Ñ
                                                Óà0.4
          3
                1.2
                         0.8
                                  ¡¡
                                         2.0
                                               Åà Ñµ ·Ñ
                                                Óà0.3
          4
                36.0
                         ¡¡
                                 34.0
                                        70.0
                                               °ì ¹« ·Ñ
                                                Óà0.15
         ¡¡
                 ¡¡
                         ¡¡
                                  ¡¡
                                         ¡¡
                                               Æä Ëü ·Ñ
                                                Óà0.15
       ×Ü ¼Æ
                40.0
                         2.8
                                 36.0
                                        78.8
                                                  ¡¡


¡¡

5 Ð§ Òæ 

5.1 Ö´ ÐР¸Ã Ïî Ä¿ ºó ½« Îª »Æ »´ º£ µØ Çø Å© Òµ Óë Å©
´å ³Ö Ðø ·¢ Õ¹ Ê÷ Á¢ Ñù °å £¬ ´Ù ½ø ¸Ã Æ½ Ô­ µÄ Å© Òµ ÏÖ
´ú »¯ ½ø ³Ì ¡£ Í¬ Ê± Ò² Îª È« ¹ú ´ó ·¶ Î§ µÄ Å© Òµ Óë Å©
´å ¾­ ¼Ã ·¢ Õ¹ Ìá ¹© Ê¾ ·¶ ×÷Óà¡£ 

5.2 ±¾ Ïî Ä¿ Í꠳ɠºó £¬ Ô¤ ¼Æ Ê¾ ·¶ Çø Á¸ Ê³ ×÷ Îï Ã¿
¹« Çê ²ú Á¿ ½« Ôö ¼Ó 1500 ¡ª 2250 ¹« ½ï ÒÔ ÉÏ £¬ Æ¤ ÃÞ
Ôö ²ú 225 ¡ª 300 ¹« ½ï ÒÔ ÉÏ £¬ Ðó ÄÁ Òµ Õ¼ Å© Òµ ×Ü ²ú
Öµ µÄ ±È ÖØ ½« Ôö ¼Ó Ô­ ÓР»ù ´¡ µÄ 50% ÒÔ ÉÏ £¬ Å© Ãñ
ÈË ¾ù ´¿ ÊÕ Èë Ôö ¼Ó 1 ±¶ ÒÔ ÉÏ ¡£ 

5.3 Ê¾ ·¶ Çø µÄ Éú Ì¬ »· ¾³ ½« µÃ µ½ ÏÔ Öø µÄ ¸Ä ÉÆ £¬
×Û ºÏ Éú ²ú ÄÜ Á¦ Óë µÖ Óù ×Ô È» ÔÖ º¦ ÄÜ Á¦ ÏÔ Öø Ìá ¸ß
£¬ Å© Òµ Óë Å© ´å ¾­ ¼Ã ·¢ Õ¹ µÄ »· ¾³ Ç÷ ÓÚ ÎÈ ¶¨ ¡£ 

5.4 ¿Æ Ñ§ ¼¼ Êõ Ë® Æ½ ¡¢ ¼¼ Êõ ´¢ ±¸ ¡¢ Å© Ãñ ËØ ÖÊ ½«
ÓРÃ÷ ÏÔ µÄ Ìᠸߠ£¬ Ê¹ Ö® ÄÜ ÊÊ Ó¦ ¸ß ²ú ¸ß Ð§ Óë ³Ö Ðø
·¢ Õ¹ Å© Òµ Óë Å© ´å ¾­ ¼Ã µÄ Ðè Òª ¡£ 

¿É ÒÔ Ô¤ ¼û £¬ ±¾ Ïî Ä¿ µÄ Í꠳ɠ½« ÔÚ »Æ »´ º£ µØ Çø ÒÔ
ÖÁ È« ÖР¹ú ²ú Éú ÖØ ´ó µÄ É砻ᠡ¢ ¾­ ¼Ã Óë Éú Ì¬ Ð§ Òæ
£¬ ²¢ ¶Ô ·¢ Õ¹ ÖР¹ú ¼Ò ²ú Éú »ý ¼« µÄ Ó° Ïì ¡£


                                                                  ÉÏÒ»Ò³ ·µ»Ø ÏÂÒ»Ò³ 


--
÷öÈ»Ïú»êÕߣ¬Î¨±ð¶øÒÑÒ²¡£
cks@263.net À¶Ìì        
              ¿ÕÆø      
                Ö²Îï    
                  ÍÁµØ  
                    ÈËÀà

¡ù À´Ô´:¡¤BBS Ë®Ä¾Ç廪վ bbs.net.tsinghua.edu.cn¡¤[FROM: 162.105.20.216]

--
¡î À´Ô´:£®¹þ¹¤´ó×϶¡Ïã bbs.hit.edu.cn£®[FROM: ignorance.bbs@bbs.ne]
[°Ù±¦Ïä] [·µ»ØÊ×Ò³] [Éϼ¶Ä¿Â¼] [¸ùĿ¼] [·µ»Ø¶¥²¿] [Ë¢ÐÂ] [·µ»Ø]
Powered by KBS BBS 2.0 (http://dev.kcn.cn)
Ò³ÃæÖ´ÐÐʱ¼ä£º199.772ºÁÃë