Merganser na Brazil (Octosetaceus mergus) na dangin agwagwa ne, umarnin Anseriformes.
Alamomin waje na merganser na Brazil
Merganser na Biritaniya duhu ne, siririn duhu tare da doguwar ɗorawa mai nauyin 49-56 cm. Hoto mai duhu sananne tare da baƙin ƙarfe mai launin kore-kore. Kirjin yana da launin toka-toka, tare da ƙananan ɗigon duhu, a ƙasa da launi ya zama mai haske kuma ya zama cikin farin ciki. A saman duhu ne mai duhu. Fuka-fuki suna fari, sun fadada. Bakin bakin yana da tsawo, duhu. Kafafuwan ruwan hoda ne da lilac. Doguwa, mai tsattsauran ra'ayi, galibi ya fi guntu a cikin mace.
Saurari muryar mai haɗin gwiwar Brazil
Muryar tsuntsu tana da zafi kuma ta bushe.
Me yasa aka shigar da sojojin cikin kasar Brazil cikin hatsari?
Gan kasuwar Brazil na gab da halaka. Rubuce-rubucen kwanan nan daga Brazil sun nuna cewa matsayin wannan nau'in na iya zama ɗan kyau fiye da yadda ake tsammani. Koyaya, sauran sanannun yawan jama'a har yanzu suna da ƙanƙan da yawa kuma an rarrabasu. Kasancewar madatsun ruwa da gurbataccen kogi na iya zama babban dalilan ci gaba da raguwar lambobi. Meran kasuwar Biritaniya suna rayuwa a cikin ƙananan lambobi a yankin da ke ɓarke sosai a kudu da tsakiyar Brazil. Ana samun raƙuman rake a cikin Serra da Canastra Park, inda ake lura da su a cikin iyakantaccen yanki.
A kan raƙuman ruwa na Rio San Francisco zuwa West Bahia, ba a sami masu haɗakar Brazil ba. Kwanan nan, an sami wasu agwagwa da yawa a cikin gundumar Patrosinio, Minas Gerais, amma ga alama waɗannan jiragen tsuntsaye ne na ɗan lokaci. Har ila yau, sojojin haya na Brazil suna zaune a kusa da wurin shakatawa a Rio das Pedras. An gano ƙananan populationan Mergansers na Brazil a 2002 a Rio Novo, a Jalapão Park, Jihar Tocantins.
An lura da nau'ikan nau'i-nau'i uku a kan nisan kilomita 55 a Rio Nova, kuma an lura da nau'i-nau'i huɗu kilomita 115 daga garin a cikin 2010-2011.
A cikin Ajantina, a Misiones, an sami mutane 12 a kan Arroyo Uruzú a 2002, wannan shi ne rikodin na farko a cikin shekaru 10, duk da zurfin bincike a yankin.
A cikin Paraguay, da alama sojojin haya na Brazil sun bar waɗannan wuraren. Dangane da ƙididdigar kwanan nan, suna faruwa a manyan yankuna uku a wurare 70-100. Yawan raƙuman agwagwa a halin yanzu bai wuce mutanen da suka manyanta ba 50-249.
Mahalli na haɗin haɗin Brazil
Merasoshin Brazil suna zaune cikin raƙuman ruwa, koguna masu sauri tare da hanzari da ruwa mai tsabta. Suna zaɓar manyan rafuffukan ruwa na ruwa, amma kuma suna zaune a cikin ƙananan koguna tare da facin gandun daji da ke kewaye da "serrado" (savannas na wurare masu zafi) ko kuma a cikin gandun dajin Atlantic. Yana da nau'ikan zama, kuma a ɓangaren kogi, tsuntsaye suna kafa ƙasarsu.
Kiwo dan kasar Brazil din Merganser
Nau'in haɗin haɗin haɗin Brazil don gida suna zaɓar yanki mai faɗi daga nisan kilomita 8-14. Mahalli ya ɗauka kasancewar saurin ɓarkewa a kan kogin, raƙuman ruwa mai ƙarfi, yalwa da kiyaye ciyayi. An shirya gida gida a cikin ramuka, koguna, a cikin ɓacin rai a bakin kogin. Lokacin kiwo yana cikin watan Yuni da Agusta, amma lokacin na iya bambanta dangane da yankin. Shiryawa yana ɗaukar kwanaki 33. Ana hango kananan tsuntsaye daga watan Agusta zuwa Nuwamba.
Abincin Merganser na Brazil
Masu ba da haɗin kai na Brazil suna ciyar da kifi, ƙaramin eels, ƙwarin kwari, kudaje da katantanwa. A cikin Serra da Canastra, tsuntsaye suna cin lambari.
Dalilan raguwar adadin merger din na Brazil
Adadin masu shiga tsakani na kasar Brazil yana ta raguwa cikin sauri a cikin shekaru 20 da suka gabata (tsararraki uku), saboda asara da lalacewar muhalli a cikin kewayon, da kuma fadada gina masana'antun samar da wutar lantarki, amfani da wurare don noman waken soya da hakar ma'adinai.
Wataƙila merganser ɗan Brazil ɗin yana rayuwa har yanzu a cikin bishiyoyi, wuraren da ba a taɓa su ba a bakin kogin a Cerrado.
Gurbatar kogi daga sare dazuzzuka da karuwar ayyukan noma a yankin Serra da Canastra da hakar lu'u-lu'u sun haifar da raguwar adadin masu shigar kasar ta Brazil. A baya can, wannan nau'in yana boye a cikin dazukan hoto, wanda, duk da cewa doka ta kiyaye su a cikin Brazil, amma duk da haka ba tare da rahama ba.
Ginin madatsar ruwa ya riga ya haifar da mummunar lalacewa ga mazaunan haɗakarwa a cikin yawancin kewayon.
Ayyukan yawon bude ido a cikin sanannun yankuna da kuma cikin wuraren shakatawa na ƙasa suna ƙara damuwa.
Matakai don kariyar merganser ta Brazil
Ana kiyaye Mergansers na Brazil a wuraren shakatawa uku na ƙasar Brazil, biyu daga cikinsu na jama'a ne ɗayan kuma yanki ne mai tsaro mai zaman kansa. An wallafa wani shirin aiwatar da kiyayewa wanda ke bayani dalla-dalla game da matsayin Merganser na kasar Brazil a yanzu, yanayin halittu, barazanar da kuma matakan kiyayewa. A Argentina, ana kiyaye sashin Arroyo Uruzú na haɗin gwiwar Brazil a cikin Yankin Gundumar Uruguay. Ana lura da Serra da Canastra a kai a kai.
A wani wurin shakatawa na kasa a Brazil, mutane 14 aka buga, kuma biyar daga cikinsu sun karbi masu watsa rediyo don bin diddigin yadda tsuntsaye ke tafiya. An shigar da gidajan roba a yankin da aka kiyaye. Ana gudanar da binciken kwayar halitta a cikin jama'a, wanda zai taimaka wajen kiyaye jinsunan. Wani shirin kiwo da aka kamashi da aka fara a shekarar 2011 a garin Pocos de Caldes a cibiyar kiwo a Minas Gerais yana nuna sakamako mai kyau, tare da ɗimbin agwagin matasa da yawa sun sami nasarar taruwa an sake su cikin daji. An fara aiwatar da ayyukan ilimantar da muhalli tun a 2004 a San Roque de Minas da Bonita.
Matakan kiyayewa sun hada da kimanta matsayin jinsin a cikin Serra da Canastra da kuma gudanar da bincike a yankin Jalapão don nemo sabbin mutane. Ci gaba da haɓakawa da aiwatar da hanyoyin bincike ta amfani da hotunan tauraron ɗan adam. Ana buƙatar kariya ga kamuwa da wuraren zama na kogin jama'a, musamman a Bahia. Wayar da kan al'umar yankin don tabbatar da rahotanni na cikin gida na kasancewar nau'ikan nau'ikan. Ara yankin ƙasar shakatawa a ƙasar Brazil. Ci gaba da shirin kiwo na fursunoni don 'yan merger na Brazil. A cikin 2014, an karɓi umarnin ƙa'idodi waɗanda ke hana kowane aiki a wuraren da aka samo masu haɗin Brazil.
