Ilimin kimiyyar dabbobi ilimin kimiyya ne wanda ya samo asali a tsakaitaccen ilimin dabbobi, ilimin halittu da kuma yanayin kasa. Tana nazarin rayuwar nau'o'in dabbobi daban-daban dangane da yanayin. Tunda dabbobi suna daga cikin halittun da ke rayuwa, suna da mahimmanci don ci gaba da rayuwa a wannan duniyar tamu. Sun bazu zuwa duk kusurwowin duniya: suna rayuwa ne a cikin dazuzzuka da hamada, a cikin matattakala da ruwa, a cikin tsaunukan tsaunuka, suna shawagi a sararin samaniya suna ɓoyewa a ɓoye.
Mafi kankantar dabba ita ce Kitty mai kumburin hanci, wanda jikinsa ya kai daga 2.9 zuwa 3.3 cm kuma yana da nauyinsa ya kai g 2. Daga cikin dukkan dabbobin da ke rayuwa a duniya, babban wakilin dabbobi shi ne shuɗin whale, wanda ya kai tsawon 30 m, yana da nauyin tan 180. Duk wannan yana nuna irin ban mamaki da banbancin duniyar fauna.
Matsalar kiyayewa ta Fauna
Abun takaici, kowane minti 20 wani nau'in fauna yana bacewa a duniya. Tare da irin wannan adadin, akwai barazanar bacewar kowane nauin 4 na dabbobi masu shayarwa, kowane nau'in tsuntsaye na 8, da kowane na 3 na amphibian. Mutane ba sa ma yin tunanin yadda girman bala'in ɓatar da dabbobi daga fuskar duniya.
Yana da mahimmanci ga kimiyyar halittar dabbobi ta fahimci wace irin duniya ce ta fauna, kuma bacewarta zata haifar da mutuwar duniyarmu baki daya, tunda dabbobi suna yin wasu muhimman ayyuka:
- daidaita yawan ciyayi;
- rarraba pollen, 'ya'yan itatuwa, tsaba na flora;
- sashin abinci ne;
- shiga cikin tsarin samar da ƙasa;
- shafi samuwar shimfidar wurare.
Matsalar ilimin halittu
Tunda muhallin yana fama da matsalolin muhalli, ba su zama baƙon ga dabbobi ba. Gurbatar iska na taimaka wa kasancewar dabbobi suna shakar iska mai datti, kuma amfani da gurbataccen ruwa yana haifar da cututtuka da mutuwar dabbobi daban-daban. Soilasa mai datti, ruwan sama na ruwa da ƙari da yawa suna taimakawa ga gaskiyar cewa abubuwa masu sinadarai da na rediyo suna shiga jiki ta cikin fata, wanda kuma ke haifar da mutuwar dabbobi. Lokacin da aka lalata halittu (aka sare dazuzzuka, aka fadama fadama, gadajen kogi suka canza), sa'annan duk mazaunan yankin ana tilasta musu su nemi sabon gida, canza mazauninsu, kuma wannan yana haifar da raguwar yawan jama'a, tunda ba kowa ke da lokacin da zai dace da yanayin sabon yanayin ba.
Don haka, dabbobi sun dogara sosai da yanayin muhalli. Ingancin sa ya ta'allaka ne ba kawai kan yawan wasu jinsin halittu ba, har ma a kan hanyoyin rayuwa, ci gaban al'ada da ci gaban dabbobi. Tunda mutum yana tsoma baki tare da yanayi, yana iya lalata nau'ikan dabbobi da yawa ba tare da yuwuwar dawo da su ba.
