Yawan duniyar tamu na karuwa daga shekara zuwa shekara, amma adadin namun daji, akasin haka, yana raguwa.
An Adam na tasiri kan ɓarkewar adadi mai yawa na nau'in dabbobi ta hanyar faɗaɗa biranenta, ta haka yana ɗaukar wuraren zama na asali daga dabbobi. Matsayi mai mahimmanci shine gaskiyar cewa mutane koyaushe suna sare dazuzzuka, haɓaka ƙasashe da yawa don amfanin gona da gurɓata yanayi da jikin ruwa da shara.
Ya kamata a lura cewa wasu lokuta fadada na megacities yana da tasiri mai tasiri akan wasu nau'ikan dabbobi: beraye, tattabarai, hankaka.
Kula da bambancin halitta
A halin yanzu, yana da matukar mahimmanci a kiyaye dukkanin bambancin halittu, saboda ya samo asali ne daga yanayi miliyoyin shekaru da suka gabata. Dabbobin da aka gabatar da su bawai kawai bazuwar haɗuwa ba ne, amma haɗin haɗin aiki guda ɗaya ne. Arshen kowane nau'i zai haifar da manyan canje-canje a cikin dukkanin yanayin halittu. Kowane jinsi yana da matukar mahimmanci kuma babu irin sa ga duniyar mu.
Dangane da dabbobi da tsuntsaye na musamman masu hatsari, ya kamata a basu kulawa ta musamman da kariya. Tunda sune mafiya rauni kuma dan adam na iya rasa wannan nau'in a kowane lokaci. Kula da ƙananan nau'in dabbobi ne ya zama babban aiki ga kowace jiha da mutum musamman.
Babban dalilan da suka haddasa asarar nau'ikan dabbobin daban-daban sune: gurɓata yanayin gidan dabbobi; farauta mara izini a yankunan da aka hana; lalata dabbobi don ƙirƙirar kayayyaki; ƙazantar da mazauninsu. A duk kasashen duniya akwai wasu dokoki da zasu kare kariya daga kisan dabbobin daji, masu tsara farautar hankali da kamun kifi, a Rasha akwai doka akan farauta da amfani da duniyar dabbobi.
A halin yanzu, akwai abin da ake kira Red Book na Unionungiyar forasashen Duniya don Kula da Yanayi, wanda aka kafa a 1948, inda aka jera duk dabbobi da tsire-tsire masu wuya. A cikin Tarayyar Rasha akwai irin wannan Red Book, wanda ke adana bayanan nau'ikan halittu masu hatsari a cikin kasarmu. Godiya ga manufofin gwamnati, ya yiwu a ceci sabulu da saigas daga halaka, waɗanda ke gab da ƙarewa. Yanzu ma an basu izinin farauta. Yawan kulans da bison sun ƙaru.
Saigas na iya ɓacewa daga fuskar Duniya
Damuwa game da bacewar nau'ikan halittu ba mai nisa bane. Don haka idan muka dauki lokacin daga farkon karni na sha bakwai zuwa karshen na ashirin (wasu shekaru dari uku), nau'ikan dabbobi masu shayarwa 68 da tsuntsaye 130 sun bace.
Dangane da ƙididdigar da Unionungiyar forungiyar Internationalasashen Duniya don Kula da Yanayi take sarrafawa, ana lalata jinsuna ɗaya ko ƙananan dabbobi a kowace shekara. Mafi yawan lokuta akwai wani abin mamaki idan akwai wani ɓangare na ƙarewa, ma'ana, ƙarewa a wasu ƙasashe. Don haka a cikin Rasha a cikin Caucasus, mutane sun ba da gudummawa ga gaskiyar cewa jinsuna tara sun riga sun ɓace. Kodayake wannan ya faru a baya: bisa ga rahotanni na masu binciken kayan tarihi, shanu na musk suna cikin Rasha shekaru 200 da suka gabata, kuma a Alaska an rubuta su tun kafin 1900. Amma har yanzu akwai nau'ikan da zamu iya rasa cikin kankanin lokaci.
Jerin dabbobin da ke cikin hatsari
Bison... Bikin Bialowieza ya fi girma girma kuma an lalata launin gashi mai duhu a shekarar 1927. Bishon Caucasian ya kasance, wanda yawansu yakai kawunan dozin da yawa.
Red Wolf Babbar dabba ce mai launin lemu. Akwai nau'ikan ragi kusan goma a cikin wannan nau'in, ana samun biyu daga cikinsu a yankin ƙasarmu, amma sau da yawa ƙasa da haka.
Sterkh - wani katako wanda ke zaune a arewacin Siberia. Sakamakon rabewar dausayi, yana saurin mutuwa.
Idan muka yi magana dalla-dalla game da takamaiman nau'ikan dabbobin da ke cikin hatsari, tsuntsaye, kwari, to cibiyoyin bincike suna ba da ƙididdiga da ƙimomi daban-daban. A yau, fiye da 40% na flora da fauna suna cikin haɗari. Wasu nau'ikan jinsunan dabbobin da ke cikin hatsari:
1. Koala... Rage nau'ikan yana faruwa ne saboda yankewar eucalyptus - tushen abincinsu, tsarin biranen birni da hare-haren karnuka.
2. Amur damisa... Babban dalilan da suka kawo koma baya a yawan jama'a shi ne farauta da wutar daji.
3. Galapagos zaki teku... Lalacewar yanayin muhalli, da kamuwa da cuta daga karnukan daji, yana cutar da haifuwar zakunan teku.
4. Cheetah... Manoma suna kashe su kamar yadda dabbobin daji ke cin ganimar dabbobi. Hakanan mafarauta suna farautar su don fatunsu.
5. Chimpanzee... Rage jinsin yana faruwa ne saboda lalacewar mazauninsu, fataucin haramtattun 'ya' yansu, da gurbacewar cuta.
6. Western gorilla... Yawan mutanensu ya ragu ta hanyar sauya yanayin canjin yanayi da farauta.
7. Abin kwala... Yawan jama'a na raguwa sakamakon sare dazuzzuka na wurare masu zafi.
8. Karkanda... Babbar barazanar ita ce mafarautan da ke sayar da kahon karkanda a kasuwar bayan fage.
9. Panda mai girma... Ana tilasta nau'in daga wuraren da suke. Dabbobi suna da ƙarancin haihuwa a ƙa'ida.
10. Giwar Afirka... Wannan nau'in ma ana cutar shi da farauta saboda hauren giwa na da matukar daraja.
11. Zebra Grevy... An farautar wannan nau'in don gasar fata da makiyaya.
12. Polar bear... Canje-canje a mazaunin beyar saboda dumamar yanayi yana shafar koma bayan jinsin.
13. Sifaka... Yawan jama'a na raguwa sakamakon sare dazuzzuka.
14. Grizzly... Nau'in ya ragu saboda farauta da hatsarin beyar ga mutane.
15. Zakin Afirka... Ana lalata nau'in saboda rikice-rikice da mutane, farauta mai aiki, cututtuka masu saurin yaduwa da canjin yanayi.
16. Galapagos kunkuru... An lalata su sosai, sun canza mazauninsu. Haihuwar da aka kawo Galapagos ya cutar da haifuwarsu.
17. Komodo dragon... Nau'in yana raguwa sakamakon bala'o'in da suka faru da kuma farauta.
18. Whale shark... Rage jama'a saboda hakar ma'adinai.
19. Karen Hyena... Jinsin yana mutuwa saboda kamuwa da cututtuka da canje-canje a mazaunin.
20. dorina... Cinikin haramtaccen nama da kashin dabbobi ya haifar da raguwar mutane.
21. Penguin na Magellanic... Jama'a na fama da malalar mai koyaushe.
22. Whale mai tsalle-tsalle... Nau'in yana raguwa saboda whaling.
23. Sarki Cobra... Nau'in ya zama abin ɓarna da farauta.
24. Rakumar yara... Dabbobi suna wahala saboda rage mazaunin.
25. Orangutan... Yawan jama'a yana raguwa saboda tsarin birane da sare bishiyar.
Jerin dabbobin da ke cikin haɗari ba'a iyakance ga waɗannan nau'in ba. Kamar yadda kake gani, babbar barazanar ita ce mutum da sakamakon ayyukansa. Akwai shirye-shiryen gwamnati don kiyaye dabbobi masu hatsari. Haka kuma, kowa na iya bayar da gudummawarsa wajen kiyaye nau'ikan dabbobi masu hadari.