24СʱÈÈÃŰæ¿éÅÅÐаñ    

Znn3bq.jpeg
²é¿´: 821  |  »Ø¸´: 5
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

eaglesea2008

ľ³æ (ÕýʽдÊÖ)

[½»Á÷] ÇóÖúÒ»¸öÓ¢Óï´Ê»ã·­Ò루Éú̬ѧ£©

Latitudinal gradients in geographic range size have received such attention largely because of their possible implications for the mechanisms underlying spatial variation
in species richness, and particularly the tendency for richness to be much greater in the tropics. Indeed, Stevens [2] argued that there may be a connection between the two. Temperate species may have larger geographic range sizes than tropical species, due to their tolerance of a broader range of environmental conditions, necessitated by greater variance in such conditions at individual sites. This could then promote higher levels of species coexistence in the tropics
through a ¡®¡®mass effect¡¯¡¯ [32], whereby some of the occurrence of species is maintained by immigration of individuals into communities outside their restricted microhabitats.

ÏëÎÊÒ»ÏÂ×îºóÒ»¾äÖÐmass effectÔõô·­Ò룿

» ²ÂÄãϲ»¶

I_have_a_dream.
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

eaglesea2008

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
Originally posted by cfk580713 at 2010-11-02 18:05:13:
ÖÊÁ¿Ð§Ó¦/³ß´çЧӦ

ÊÇʲôÒâË¼ÄØ£¿ÎÒ×Ô¼ºÉÏÍø²éµÄÒ²ÊÇ£¬¿´ÆðÀ´ÓëǰºóÎIJ»´óÏà·û¡£ÄܽâÊÍÒ»ÏÂÂð£¿
I_have_a_dream.
3Â¥2010-11-02 18:09:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

cfk580713

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

ÖÊÁ¿Ð§Ó¦/³ß´çЧӦ
2Â¥2010-11-02 18:05:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cfk580713

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

eaglesea2008(½ð±Ò+1):¶àл 2010-11-03 14:40:47
ºóÃæÄǸö32 ÊÇÎÄÏ×°É Äã²éÏÂÄÇÎÄÏײ»¶¼Çå³þÁË ÌØ±ðÊÇ´øÒýºÅµÄ ¿Ï¶¨ÌØÖ¸°¡
4Â¥2010-11-02 19:00:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

petrocatal

ľ³æ (ÕýʽдÊÖ)

eaglesea2008(½ð±Ò+2, ·­ÒëEPI+1):ºÃµÄ£¬Ð»Ð»¡£ 2010-11-03 14:39:32
ÎÒ¾õµÃÓ¦¸ÃÊÇ·­ÒëΪ¡±¹æÄ£Ð§Ó¦¡°£¬Ó¦¸Ã½²µÄͨ£¡Ö®Ç°µÄÉÏÏÂÎÄ£¬Ìáµ½ÎïÖֵĶàÉÙÖ®²îÒ죡
³ÕÃÔ¿ÆÑÐ
5Â¥2010-11-02 20:45:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] »¯¹¤Ñ§Ë¶294·Ö£¬Çóµ¼Ê¦ÊÕÁô +18 yzyzx 2026-04-12 18/900 2026-04-13 10:20 by sophia_93
[¿¼ÑÐ] 297Çóµ÷¼Á +18 ORCHID1 2026-04-10 19/950 2026-04-13 09:21 by lhj2009
[¿¼ÑÐ] 290µ÷¼ÁÉúÎï0860 +28 ÍÛ¹þ¹þ£¬¡£ 2026-04-11 31/1550 2026-04-13 01:16 by ÐÒÃâ ..
[¿¼ÑÐ] 0856ר˶Çóµ÷¼Á Ï£ÍûÊÇaÇøÔºÐ£ +22 ºÃºÃÐÝÏ¢ºÃ²»ºÃ 2026-04-09 25/1250 2026-04-12 17:09 by ajpv·çÀ×
[¿¼ÑÐ] µ÷¼Á +25 ²»·ê´º 2026-04-07 26/1300 2026-04-12 11:53 by ´óÁ¦Ë®ÊÖÁ¦´óÎÞÇ
[¿¼ÑÐ] 0854µ÷¼Á +12 ³¤¹­°Á 2026-04-09 13/650 2026-04-12 09:56 by ÄæË®³Ë·ç
[¿¼ÑÐ] 327Çóµ÷¼Á +5 ʰ¹âÈÎȾ 2026-04-06 5/250 2026-04-12 02:29 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] 332Çóµ÷¼Á +14 ½¶½¶123 2026-04-10 14/700 2026-04-12 00:27 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ũѧ0904 312Çóµ÷¼Á +3 Say Never 2026-04-11 3/150 2026-04-11 17:22 by daydayup2005
[¿¼ÑÐ] 0859£¬337Çóµ÷¼Á +4 ÑÐs. 2026-04-10 4/200 2026-04-11 11:34 by caotw2020
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤329·ÖÇóµ÷¼Á +16 Ò¶zilin 2026-04-10 16/800 2026-04-11 11:04 by may_ÐÂÓî
[¿¼ÑÐ] Ò»Ö¾Ô¸±±Àí¹¤298Ó¢Ò»Êý¶þÒÑÉϰ¶£¬¸Ðл¸÷λÀÏʦ +14 Reframe 2026-04-10 16/800 2026-04-10 23:07 by caotw2020
[¿¼ÑÐ] 263ÄÜÔ´¶¯Á¦×¨Ë¶Çóµ÷¼Á +3 ¼Ó´óºÅ·¹ºÐ´ü 2026-04-10 3/150 2026-04-10 22:23 by 286640313
[¿¼ÑÐ] 284Çóµ÷¼Á +19 èó@@ 2026-04-06 21/1050 2026-04-10 21:12 by zhouxiaoyu
[ÂÛÎÄͶ¸å] mdpiСÐÞrvrʱ¼äËÄÎåÌìÁË 20+3 ¹þ¹þhigh 2026-04-08 5/250 2026-04-10 16:02 by ±±¾©À³ÒðÈóÉ«
[¿¼ÑÐ] 298Çóµ÷¼Á +13 ¶¤¶£ß˶¬¹Ï 2026-04-09 13/650 2026-04-10 15:49 by jiajinhpu
[¿¼ÑÐ] 344Çóµ÷¼Á +7 ؼ·çѩҹ¹éÈËØ¼ 2026-04-09 7/350 2026-04-10 12:05 by pengliang8036
[¿¼ÑÐ] 085601³õÊÔ330·ÖÕÒµ÷¼Á +10 Á÷ÐÄÄ̻ưül 2026-04-09 10/500 2026-04-10 08:14 by Sammy2
[¿¼ÑÐ] 348Çóµ÷¼Á +3 candyyyi 2026-04-09 3/150 2026-04-09 17:20 by ¶ÎΰÑÞ
[¿¼ÑÐ] ¼ÆËã»ú11408 287 Çóµ÷¼Á +3 LiLe5 2026-04-07 3/150 2026-04-07 23:15 by shanqishi
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û