Elevational Gradation of Mammals in Tropical Forest Journal of ature Studies 8(1) JanuaryApril 2009 ELEVATIOAL GRADATIO OF MAMMALS I TROPICAL FOREST OF MT. HAMIGUITA RAGE, DAVAO ORIETAL Richel E. Relox, Fritzie B. Ates)Camino and Severo T. Bastian Jr College of Science and Mathematics University of the Philippines Mindanao Mintal, Tugbok District, Davao City 2000 For correspondence E#mail: chelox_8224@yahoo.com Emmanuel P. Leano College of Arts and Sciences, Central Mindanao University , Musuan, Bukidnon ABSTRACT                              !  !   !        " #$$%   #$$&                         ’#  ()#*       !   (+   , *     !  (’,*              (%&*         -     %$. +++.  /$.   !  !     0!                             #$.   !  +++.   !   #$.           1     (2234’$*   !        (2234$%&*   !        (2234$%&*           -5                0!  (64#% 74$)&*    (64+, 74$&*                     Keywords: bats, biodiversity, biological indicator, conservation, mammals, Mt. Hamiguitan ITRODUCTIO  8            7  2 9       -         ’’$$    ’&#   ’’’ (%/.*       -         !             ( et al ’::)*            8 ;   2  0 (8;20*  6 < (1 = > ’::%*  /:     -   -  6 < ( 2    - ’::&*   ,#                   ?  (25 et al. ’::’@  et al. ’::,@ A  2 ’:)%* 9              ?BB    C          2 8 (28*        DB (E et al #$$#*                                                             ! !                 - !   9   et al. (’::+*                   !              !      9                         !            "  0  )(’*F #&!+/ 80F ’%,,!+’&: