鸟类鸣声中的高频成分分析.pdfVIP

.. ... ... 10. 5122/ cbi r ds . 2011. 0019 Hi gh f r equency component s i n avi an vocal i zat i ons J i a nqi ang LI Yanyun ZHANG Zhengwang ZHANG Mi ni st r y of Educat i on, Key Labor at or y f or Bi odi ver si t y Sci ences and Ecol ogi cal Engi ne er i ng, Col l ege of Li f e Sc i ences , Bei j i ng Nor mal Uni ve r si t y, Be i j i ng 100875, Chi na Ul t r as oni c communi c at i on i n ver t ebr at e s i s a t t r act i ng i ncr ea si ng r ese ar c h i nt e r es t . To det er mi ne i f ul t r as oni c vo cal i zat i on i s common i n bi r ds , we r ecor ded t hei r vocal izat i ons wi t h ul t r asound det ect or s i n t he Dongzha i Nat i ona l Nat ur e Res er ve of He nan Pr ovi nce , Chi na . We f ound var yi ng degr ees of hi gh f r e que ncy component s i n t he voc al i zat i ons of 14 s peci es and i n s ever al of t hese s peci es , t he f r equency of har mon i cs was up t o t he r ange o f ul t r as ound. We s ugges t t hat mor e s t u di es ar e r equir ed t o det er mi ne whet her t he hi gh f r equency component s i n avi an vocal i zat i ons have f unct i ons and what t hese f unct i ons ar e. I n ad di t i on, t he abi l i t y of bi r ds t o hear sounds i n t he hi gh f r equency r ange al so r equi r es r e- exami nat i on. avi an vocal i zat i on; hi gh f r equency co mponent s ; ul t r as ound; f un ct i ons 2011- 04- 06 2011- 07- 16 .. ... ... 1 2