Duniyar tekun cike take da ɗimbin mazaunan, waɗanda mutane ke kamawa don cin abinci. Baya ga duk kifayen da suke gundura a bakin ruwa, zaku iya samun mazaunan wurin da ba a saba dasu ba, kuma sun daɗe suna neman buƙatun gourmets. Daga cikinsu akwai clam jagoran (geoduck), wanda za'a tattauna a wannan labarin.
Bayanin
Guidac babban abincin teku ne, mai nauyinsa wanda zai iya kaiwa kilogram 7. Sunansa yana tsaye don zurfin tono. Godiya ga wannan fasalin na musamman, hakika yana da dogon hanta. Rashin zurfafa a cikin ƙasa, mollusk yana haifar da yanayin rashin zaman lafiya kuma ya zama wanda ba zai iya kaiwa ga maƙiyin ba.
Ban sha'awa! A matsakaici, tsammanin rayuwarsa na iya zama sama da shekaru 100.
Yanayi ya ba da umarni cewa geoduck mollusk yana da bayyanar da sifa mai ban sha'awa sosai. Duk wanda yasan hoton sa to kadan yayi mamaki, saboda a bayyanar shi yayi kama da azzakari yayi kama da na bangaren maza. Ya ƙunshi harsashi da tsohuwar jiki da ke fitowa daga gare ta, wanda kuma ake kira wutsiya, siphon, da dai sauransu. Wannan tsari yana fitowa daga bayan mollusk, shima yayi kama da gangar jikin giwayen. Sun faɗi cewa siphon na iya girma zuwa ingantaccen, kuma wani lokacin ma har mamaki, girman.
Kowane sashi na mollusk yana da nasa manufa. Misali, tsari ya kunshi bangarori biyu wadanda suke hade jikin mutum zuwa duniyar waje. Ofayansu shine shigarwar kuma ɗayan yana fitarwa. Tare da taimakon bututu na farko, ruwa yana wanke mayukan yana shiga jikin mollusk. Sashin cirewa, bi da bi, yana aiki don kwantar da ruwa da barbashi mai ƙyalli. Hakanan, ana buƙatar clam siphon don motsi da haifuwa.
Rayuwa & Habitat
Ko da yawancin mollusks, alal misali, dangin Guidac, scallops, ba za su iya yin ba tare da motsi ba kuma suna da ikon yin iyo sosai. Dole ne suyi wannan don kada su zama abincin dare ga masu farautar. Koyaya, jagora anan shima yana zama mai farin ciki banda dangi masu aiki.
Wannan kwayar halitta mai zurfi mai zurfi, wacce ba ta bar layin tekun bahar ba duk rayuwarta, tana iya ɗaukar shekaru, shekarun da suka gabata, ƙarni a wuri guda. Kuma idan yana da wani abu da zai yi tunani a kai, tabbas zai ɗauki falsafa akan tsarin duniya. Daga ɓoye daga maƙiyansa, an binne shi, ta hanyar mita ɗaya ko fiye, a cikin yashi, ya zama mai nutsuwa, marar ganuwa kuma ba a iya ji da shi.
Saboda haka, waɗannan halittun suna cikin haɗari a cikin yanayi kawai idan suka tsaya siphon ɗin su a farfajiya. A cikin irin waɗannan halayen, suna isa ga hare-hare daga kifin kifayen, har ma da bakin teku da ƙananan kifayen kifayen da za su tono su daga ƙasa.
Amma gano "gangar jikin" wannan halitta bashi da sauki. Kari akan haka, jagororin na iya fidda hanjinsu da sauri kuma suka zama sanannen abu ga mai kare, yana ɓoye a cikin yashi.
Abin da ya rage ga wannan halittar mai kunya yanzu shi ne a sake yin shuru a cikin yashi kuma a hankali a hankali. Abin da ya sa wasun su kai masu girman rakodi. Babban jagora tare da rayuwarsa "taƙasa", ya sami damar ciyar da kansa har zuwa kilogram 9, yayin da yake haɓaka "gangar jikinsa" zuwa mitir biyu.
Abinci mai gina jiki
Wadannan halittun ba lallai ne suyi aiki mai tsawo ba don neman abinci. Kamar kowane bivalves, hanyar ciyarwa tana wucewa, watau, ta hanyar ƙazanta. Wannan yana nufin cewa ta hanyar siphonsu kawai suna jawo ruwa a bakin teku suna tace ta. A zahiri, tsarin narkewa na jagora a wannan batun ya shahara saboda kayan aikinsa da yawa.
Ruwa yana shiga biyu, a cikin nau'i na triangular, dogon magana na baka, wanda akan sami ɗumbin ɗanɗano. Bayan haka, ta hanyar ƙananan tsagi, ƙananan abubuwan abinci suna shiga cikin bakin. Batun shine cewa, tare da ruwa, karamin plankton ya shiga jiki. Wani mai jagora ba tare da ruwa ba, kuma don haka ya zama babban abincin sa.
Daga bakin, abin da yake samarwa ya shiga ciki daga ciki har sai ya shiga ciki. A can ana rarrabewa: ƙaramin yana narkewa, babba kuma yana shiga kai tsaye zuwa hanjin, daga nan sai a jefa shi cikin dubura, wanda, a hanya, a cikin waɗannan halittu, kamar yadda a cikin dukkanin kwayoyin farko, kusan iri ɗaya suke da bakin. Dukkanin abubuwan gina jiki na halittun da aka bayyana suna da nasu rukunin wanda ya dace da Ebbs da gudana daga yanayin ruwan teku inda suke rayuwa.
Sake buguwa da tsawon rai
Tekun Guidac ba ya da sha'awar sha'awa. Kuma tana sake haifuwa ta hanyar da babu laifi, mara hulɗa da kuma hanyar waje, dukda cewa rabuwa da jima'i tsakanin irin waɗannan kwayoyin har yanzu tana nan.
Wannan wani abu ne kamar haka. Sau da yawa a shekara, lokacin da lokaci ya yi, galibi a farkon bazara ko a ƙarshen kaka, mai jagora, gwargwadon jinsi, jefa kowane ɗaya daga cikin kayan tarihinsu yayin babban tarko a cikin ruwan teku, da kuma adadi mai yawa.
A cikin abubuwan da aka fitar, akwai kwayayen kwai da yawa wadanda suke bukatar kwari. Lura cewa mata kan samar da kusan miliyan miliyan a kowace kakar, kuma kimanin biliyan biyar a duk rayuwarsu. Kuma ban da su, maza suna daɗaɗano da yawan gizagizai iri a cikin yanayin ruwa.
Wannan hanyar haihuwa ba ta da tasiri, saboda galibin kayan suna mutuwa kawai. Amma idan sel masu akasin haka suka hadu da farin ciki, to haɗuwar su tana faruwa, wanda ke nufin cewa sabbin mutane sun tashi kuma suka fara haɓaka.
Kwana biyu kacal ya isa isa gaɗa ƙanƙara tare da ƙananan ƙwayoyin mollusks da suka fito daga ƙwai hadu. Kuma bayan 'yan makonni sai suka zama mai iya ƙarfi har suka nitse zuwa gaɓar tekun, suna ƙoƙari su nutsa cikin yashi daidai da yanayinsu.
Shekarun jagororin jagora kusan ƙarni ɗaya da rabi ne. A matsakaici, yana da shekaru 146. Amma akwai daga cikin samfurann da suka yi fice musamman wadanda shekarunsu, a cewar masana kimiyya, an kiyasta cewa basu kai shekaru 160 ba.
Mafi yawanci, irin waɗannan mollusks suna rayuwa har zuwa tsufa, saboda kusan ba su da abokan gaba a yanayin yanayi, sun gamsu da abinci, kayan adon da sauran kayan more rayuwa, sabili da haka babu abin da ke cutar da rayuwarsu.
Wani bayanin kuma ana samun ci gaba don tsawon tsawon rikodin - ƙananan raunin metabolism a cikin ƙananan ƙwayoyin su. Daga wannan ne suke zaune lafiya, cikin salama da dadewa. Maimakon haka, sun rayu, saboda kasancewa amincin su ya ƙare, kuma a cikin yanayi maƙiyi mai ƙarfi ya bayyana.
Canje-canje na lalacewa a cikin makomar waɗannan halittu masu ƙyalƙyali sun fara faruwa shekaru 40 da suka gabata, lokacin da ba zato ba tsammani mutane suka ga a cikin waɗannan mollusks mai ɗanɗano mai kyau, kodayake har zuwa wannan lokacin, saboda wasu dalilai, babu wanda ya ɗauki irin wannan abincin.
The, ɗanɗanar shiriya piquant kuma kama da kifin kifin sau da yawa mutane cinyewa - bakin teku. Gaskiya ne, naman da ke cike da laushi na mazaunin tsibirin teku ba wai kawai yana da wuyar zama ba ne, har ma da baƙon gani. Koyaya, wannan bai hana mutane sanya hannu kan hukuncin kisa ga miliyoyin irin waɗannan halittun ba.
Yanzu ja-gora, ɓoye ne daga duniya ƙarni da ƙarni, ya zama sananne, amma shaharar ba ta kawo masa kwanciyar hankali ba kuma bai ƙara tsawon rai ba. Kamfanonin kamun kifi sun dauki halitta baƙon abu da mahimmanci, sabili da haka, kawai a cikin Kanada da Amurka yanzu ana haɓaka su a kowace shekara har zuwa miliyan biyu.
Idan mutum ya fara wani abu, to ya yi ƙoƙarin kawo ƙarshen shi. Musamman idan wannan karshen bai cika kyau ba. "Shekaru" Golden "na jagororin, wanda yaci gaba akan Duniya na miliyoyin shekaru sabanin dokokin juyin halitta, da alama ya ƙare. Kuma yanzu, mutane zasuyi gyara kuskuren yanayi, da gajartawa da lalata rayuwar wannan rayuwar, duk da cewa kyawawan halittu masu kyawu.
Ku ci jagora daban. Masu dafaffen Asiya suna ba da naman clam kusan raw, amma da farko cire fata daga cikin akwati. Don yin wannan, bayan riƙe samfurin a cikin ruwan zãfi na rabin minti, nan da nan sai su tsoma shi daga wuta zuwa cikin kan kan ruwa.
Bayan wannan jiyya, fatar ta sauko tare da ƙaramin ƙoƙari, kusan kamar safa. Bayan haka, sai a yanyanka naman a yanka aka ba shi ga mai ciniki tare da kayan zaki da soya.
A cikin Amurka, wato, a cikin mahaifar mollusk, al'ada ce a yi gyada da gyada barkono daga gare ta, soyayyen tare da albasa. Wani lokacin takan saka giya da yankakken kwano tare da kwanon shinkafa. Gourmets na Rasha sun gwammace wani kifi mai kifi mai tsami a cikin ɗaki tare da albasa, kayan yaji, doused tare da cream.
Kudin jagoran kwari, sabanin halittar da babu cutarwa, kuma kusan $ 60 ne kacal. A cikin shagunan kan layi, ana ba da irin wannan naman clam, wanda za'a iya siyan shi akan 1000 rubles, ana samarwa da yawa. kuma kasa. Amma samfurin gaske mai inganci yafi tsada.
Asalin gani da kwatancin
Wannan nau'in mollusk ana cinye shi daga ambaton lokaci. Amma bayanin kimiyya da rarrabe jagorar an kawo shi ne kawai a ƙarshen ƙarni na 19. A lokacin, zai yiwu ba wai kawai mu bayyana kamannin halittar kawai ba, har ma don fahimtar yadda yake ci da kuma haifuwa.
Bidiyo: Guidac
A halin yanzu, jagoran, a matsayin jinsin halitta, an haife shi shekaru miliyan da yawa da suka gabata, kuma masana kimiyyar cutar cizon sauro suna da'awar cewa wannan mollusk daidai yake da dinosaur. Akwai tsoffin tarihin kasar Sin da suka ambaci waɗannan mollusks, bayyanar su ta ban mamaki har ma girke-girke na dafuwa don dafa abinci.
Gaskiya mai ban sha'awa: Akwai ra'ayi cewa a cikin zamanin Cretaceous akwai jagoran, wanda girmansa ya wuce mita 5. Canjin yanayi mai saurin canzawa a doron kasa da kuma bacewar kayan abinci ya haifar da cewa katuwar mollusks sun mutu a cikin wasu 'yan shekaru. Amma ƙananan jinsinsu sun sami damar daidaitawa da yanayin canji kuma sun tsira har zuwa yau.
Guidac yana da fasalulluka masu zuwa wadanda suka banbance ta da sauran bizirin:
- girman clam harsashi shine kusan 20-25 santimita,
- tsayin jikin mutum zai iya kaiwa mita 1.5,
- nauyin nauyin mai jagoran yana daga kilogiram 1.5 zuwa 8.
Wannan wata halitta ce mai ban mamaki, kuma ba kamar yawancin mollusks a cikin wannan rukuni ba, harsashi yana kare ba kwata-kwata na jikin mutum ba.
Bayyanar fasali da fasali
Hoto: Wannan jagorar tana kama da
Ta hanya ce kawai cewa jagorar ta karɓi lakabi mafi kyawun halitta a duniya. Haƙiƙar ita ce cewa mollusk yana kama da kusancin garkuwar mutum na girman girmansa. Misalin yana da girma wanda har yanzu ba a daɗe da amfani da hoton jagora a cikin kundin sani na dalla-dalla, tun da dai aka ɗauki hotunan abin ƙi.
Hankalin kwandon biyun yana kunshe da yadudduka da yawa (ƙwayoyin ƙwayoyin cuta a waje da kuma uwar lu'u-lu'u a ciki. Jikin mollusk ɗin yana da girma sosai har ma a cikin manyan samfurori yana kare kawai suturar jiki.
Tufafin, rigar ruwa ta rufe, ya ƙunshi sassan hagu da dama. An haɗa su da ƙarfi tare kuma suna samar da abin da ake kira "ciki" na jagorar. Akwai rami daya kawai a cikin alkyabbar - wannan ita ce ƙofar shiga wanda ƙafafun clam ke motsawa. Mafi yawancin jikin mai jagora ana kiranta siphon. Yana amfani duka don abinci da kuma cire kayan sharar gida.
A halin yanzu, ana bambanta nau'ikan jagororin:
- Pacific. Shine wanda aka lasafta shi a matsayin na gargajiya, kuma idan suka ambaci suna "mai jagoranci", suna nufin daidai yanayin mollusk na Pacific. Wannan nau'in mollusk ya kai kusan kashi 70% na yawan mutanen. Guidac da ke zaune a tekun Pasifik ana daukar shi mafi girma kuma yawanci ana kama samfurori waɗanda ke kai tsayin mita kuma suna auna kimanin kilo 7,
- Dan kasar Argentina. Kamar yadda kuke tsammani, wannan nau'in mollusk yana zaune a bakin Tekun Argentina. Yana zaune a wani zurfin zurfin, sabili da haka girman irin wannan jagorar yana da ƙanana. Babu fiye da santimita 15 ba tsawon kuma kusan kilogram 1 na nauyi,
- Ostiraliya Mahallacin ruwan Australia. Hakanan ya bambanta da ƙananan girma. Matsakaicin da girman mollusk na manya ba ya wuce kilogram 1.2 da santimita 20 a jere,
- Rum. Tana zaune a Tekun Bahar Rum, kusa da Fotugal. A cikin girmansa kusan babu bambanci da Pacific. Koyaya, an gama kashe mazauninta cikin sauri, saboda jagorar Bahar Rum wani yanki ne na masunta da masamman a gidajen abinci,
- Jafananci. Yana zaune a cikin Tekun Japan, da kuma a kudancin Tekun Okhotsk. Girman mollusk na tsoho bai wuce santimita 25 ba kuma tsawonsa kilo 2 cikin nauyi. Hukumomin Japan da China suna sarrafa kifin Guidaka, saboda a tsakiyar ƙarni na 20 wannan nau'in ya kusan ƙarewa.
Dole ne in faɗi cewa duk nau'in mollusks na bivalve ya bambanta da juna kawai a girma da nauyi. Dangane da salon rayuwa da bayyanar, daidai suke iri ɗaya.
Gaskiya mai ban sha'awa: Masana ilimin ilimin halayyar dalilai suna da'awar cewa a cikin shekaru 100 da suka gabata, kusan nau'ikan jagorar 10 sun lalace ko lalata. A wani ɓangare, wannan ya faru ne saboda canji a cikin ma'aunin ƙwayoyin halitta a cikin tekuna da teku, kuma a wani ɓangaren, mutane suna kama mollusks kuma sun kasa dawo da ajiyar su.
A ina jagorar take?
Hoto: Clam Guidac
Masu binciken sun yarda cewa ruwan tekun Asiya shine wurin haifuwa na jagora, amma bayan wani lokaci, mollusk din ya zauna akan ragowar tekuna da tekun.
Af, wannan bivalve mollusk ba ma whimsical. Babban yanayin kasancewar sa yana da ɗumi kuma ba ruwa mai gishiri sosai. Mollusk yana jin daɗi sosai a cikin yankin yana farawa daga yammacin gabar Amurka da yin famfo ta cikin Tekun Japan mai dumi da kuma gabar tekun Fotugal. Yawancin lokaci, ana samun manyan wurare na kananun ruwa a cikin tsibirin m kuma suna iya rayuwa cikin aminci tare da murfin murjani.
Wata bukata kuma da ke akwai na jagorar mai zurfi ne. Mollusk yana da kyau a zurfin zurfin mita 10-10 saboda haka ya zama mai sauƙin ganima ga masu ƙwararrun angulu. Yasan yashi kuwa wani muhimmin yanayi ne ga mazaunin mollusk na bivalve, tunda yana iya haƙa zurfin zurfafa.
Yana da kyau a faɗi cewa a cikin ruwan New Zealand da Ostiraliya, jagoran ba ya bayyana ba saboda dalilai na zahiri. Mahukuntan waɗannan jihohin suna shigo da mollusks na musamman kuma sun zaunar da su akan gonaki na musamman, sannan kawai jagororin sun yanke hukunci ne da kansu. A halin yanzu, kifin kifayen yana da cikakken iko a cikin yanki kuma hukumomin sa ido na Ostiraliya suna sarrafa shi.
Yanzu kun san inda jagorar take zaune. Bari mu ga abin da wannan mollusk ke ci.
Menene mai jagora zai ci?
Hoto: Marine Guidac
Mollusk baya farauta a cikin ma'anar kai tsaye na kalmar. Haka kuma, ba ma motsawa, samun abinci. Kamar kowane mollus na bivalve, mai jagoran yana karɓar abinci ta hanyar lalata kullun ruwa. Babban abincinta shine kawai abincin jirgin ruwa, wanda aka samo cikin adadi mai yawa a cikin tekuna masu ɗumi da kuma tekuna. Guidac yana jan ruwan teku duka a kansa kuma ya tace shi da siphon. A zahiri, tsarin narkewa yana da fasaloli masu yawa kuma ya kamata a bayyana su dalla dalla.
Da farko dai, ruwan teku yana shiga manyan bakin bakinsu (akwai guda biyu a cikinsu). A cikin bakin bakunan ɗanɗano ne mai ɗanɗano, waɗanda suke da muhimmanci don nazarin ruwan da aka tace. Idan babu plankton a ciki, to sai a sake jefa shi ta dubura. Idan akwai plankton a cikin ruwa, to yana shiga bakin ta hanyar kananan tsagi, sannan ya shiga cikin esophagus da kuma cikin babban ciki.
A nan gaba, tacewa yana faruwa: ƙananan ƙwayoyin suna narkewa nan da nan, sauran kuma (fiye da santimita 0.5) suna shiga hanjin kuma an sake su ta dubura. Tabbas bayanin kula shine gaskiyar cewa abincin መመሪያaco ya dogara da ebbs da gudana, kuma mollusk yana rayuwa cikin tsauraran yanayi tare da waɗannan abubuwan abubuwan halitta.
Siffofin hali da salon rayuwa
Hoto: Guidac a yanayi
Bayan mai jagora ya shiga balaga, zai fara jagorantar shuru, kusan tsirrai, salon rayuwa. A matsayinka na mai mulkin, wannan yana faruwa a shekara ta biyu ta rayuwa, lokacin da aka kafa mollusk kuma ya sami nasarar bunkasa harsashi mai cikakken iko.
An binne Guidac a cikin ƙasa zuwa zurfin mita ɗaya. Don haka, ba wai kawai ya daidaita kansa ba ne a cikin ruwan teku, harma yana samun kariyar abin dogara daga masu hasara. Mollusk yana ciyar da rayuwarsa gaba daya a wuri guda, yana tace ruwa koyaushe ta hanyar kansa, don haka yana fitar da plankton da iskancin oxygen wanda yakamata ayi aiki a jiki.
Ofaya daga cikin fasalolin musamman na jagora shine cewa yana tace ruwa ba tare da tsangwama ba, dare da rana, tare da ɗaukar kusan iri ɗaya. Ruwan ruwa kawai ke shafa kawai ta hanyar Ebbs da kwarara, haka kuma da kusancin magabata.
Gaskiya mai ban sha'awa: Guidac yana da kyau a ɗauke shi ɗaya daga cikin halittun da suka daɗe a duniya. Matsakaicin shekarun mollusk shine kimanin shekaru 140, kuma mafi tsufa daga cikin samfuran da aka samo sun rayu shekaru 190!
Guidaki suna da matukar sha'awar barin sashin rayuwa mai tushe. Wannan yana faruwa kawai ƙarƙashin rinjayar abubuwan abubuwan waje. Misali, jagororin na iya yanke shawarar yin ƙaura idan an sami karancin abinci, gurɓataccen gurbataccen ruwan teku, ko kuma saboda yawan masu tsinkaye.
Tsarin zamantakewa da haifuwa
Guidac wata halitta ce mai matuƙar halitta wacce halayenta na yau da kullun ba su iyakance ta hanyar cin abinci, bayyanar da tsawon rai ba. Har ila yau, mollusk na haihuwa a wata hanya mara amfani. Ci gaban halittar wannan mollusk yana faruwa ne ta hanyar da ba a tuntuɓa ba. Guidaki ya kasu kashi biyu maza da mata, amma kusan babu bambance-bambance na waje. Wannan kawai cewa wasu mollusks sun ƙunshi ƙwayoyin mata, yayin da wasu sun ƙunshi na maza.
A ƙarshen lokacin hunturu, lokacin da ruwa yake sama da ruwa sosai, lokacin kiwo yana farawa a cikin mollusks. Akarshe mafi girma yana faruwa a ƙarshen Mayu da farkon watan Yuni. A wannan lokacin, mollusks na maza suna saki ƙwayoyin jima'i a cikin ruwa. Mata suna amsawa ga bayyanar sel, wanda ke saki ɗumbin ɗumbin mace saboda amsawa. Saboda haka, hadi mara lamba na jagora na faruwa.
Gaskiya mai ban sha'awa: Saboda tsawon rayuwarsu, jagororin mata suna samar da ƙwai kimanin biliyan 5. Yawan Kwayoyin Jima'i da aka saki ba adadi ne. Irin wannan adadin kwayar kwaya dayawa saboda gaskiyar cewa damar yiwuwar hadi cikin hadari cikin kankanin yanayi ne, kuma a sakamakon haka, ba a haɗu da sabon dollus mollusks.
Kwana hudu bayan hadi, amfrayo ya koma larvae kuma yana juyawa da raƙuman ruwa tare da sauran abubuwan da ke tattare da plankton. Sai bayan kwana 10, karamin kafa ya tashi a amfrayo kuma zai fara zama kamar mollusk na ƙananan.
A tsakanin wata guda, tayin ya yi nauyi a hankali ya zauna zuwa ƙasa, yana zaɓi wuri mai da kansa. Formationarshen tsarin jagorar yana ɗaukar shekaru da yawa. Kamar yadda lura na dogon lokaci ya nuna, duk da adadin ɗakunan kwayar cutar ƙwayar cuta da ake samarwa, babu sama da 1% mollusks ɗin da suka isa girma.
Abokan gaba na maƙiya na jagora
Hoto: Wannan jagorar tana kama da
A cikin daji, jagorar tana da isassun abokan gaba. Tun da mollusk siphon ya fito daga ƙasa kuma amintaccen kariyar ba ta kiyaye shi ba, duk kifin da zai iya cin abincinsa zai iya lalata shi.
Babban maqiyan jagorar sune:
Abubuwan cikin teku zasu iya haifar da babban haɗari. Waɗannan predan ƙananan dabbobin suna iyo da ruwa sosai, kuma suna iya samun jagora koda kuwa sun haƙa zurfi. Duk da cewa mollusks basu da gabobin hangen nesa, suna jin kusancin maharmar ne da canji ruwa. Idan akwai haɗari, jagoran zai fara saurin fitar da ruwa daga siphon, kuma saboda haɓakar ƙarfin motsa jiki, yana hanzarta haƙa cikin ƙasa, yana ɓoye ɓangaren m na jiki. An yi imanin cewa gungun jagorar da ke rayuwa kusa da juna na iya isar da sakonnin haɗari don haka a hana su daga ɓoye.
Koyaya, mutane suna yin mafi lalacewa ga jagora. A cikin shekaru 50 da suka gabata, adadin mollusks ya ragu. Dalilin wannan ba kawai kamun kifi ba ne a kan ma'aunin masana'antu, har ma da gurɓataccen gurbataccen ruwan teku, wanda ke haifar da raguwar adadin plankton. Mollusk kawai bashi da abinci, kuma yana rage jinkirin ci gabansa, ko ma ya mutu saboda yunwar.
Yawan jama'a da matsayinsu
Hoto: Clam Guidac
Masana ilimin kimiya na kasa da kasa ba su da ikon fadi daidai yawan mutanen da ke jagorantar teku a cikin teku. Dangane da tsattsauran ra'ayi, akwai aƙalla miliyan 50 daga cikinsu, kuma nan gaba kadan, kawar ba ta barazanar waɗannan biyun ba.
Yawancin mazaunan suna zaune a cikin ruwan Tekun Atlantika. Manyan yankuna suma suna zaune a cikin ruwan Australia da New Zealand. Amma mulkin mallaka na Portuguese a cikin 'yan shekarun nan ya sha wahala sosai lalata kuma an rage shi da fiye da rabi. An kama Mollusks kawai, kuma yawan jama'a basu da lokacin dawowa ta halitta.
An sami matsaloli iri iri a cikin Tekun Japan, amma an dawo da adadin jagororin saboda godiya ga tsauraran koke-koken. Koyaya, wannan ya haifar da gaskiyar cewa farashin jita-jita daga jagororin gidajen cin abinci na Sin da Japan sun ninki biyu.
A cikin 'yan shekarun da suka gabata, an horar da jagororin ta hanyar wucin gadi. A yankin tuddai, 'yan mita kaɗan daga bakin tekun, dubun dubatar bututu suke a ciki kuma an sanya tsutsa mollusk a kowane ɗayansu. Ba tare da abokan halitta na halitta ba, adadin kuzari ya kai 95% kuma mollusk na zaune a kusan kowace bututu.
Ruwan teku yana ba da jagora game da abinci, bututu mai filastik yana samar da ingantaccen gida, kuma mutum yana kiyayewa daga maƙiyan halitta. Don haka, yana yiwuwa a kowace shekara karɓar muguwar jagora ba tare da wani lahani ga yawan jama'a ba.
Guidac - mollusk mai ban mamaki, wanda ya bambanta da yanayin bayyanarsa. A cikin 'yan shekarun nan, yawan mollusks ya ragu, amma saboda gaskiyar cewa an fara aikin nono na wucin gadi, halin da ake ciki yana inganta a hankali. A cikin shekaru goma masu zuwa, yawan mutanen wadannan mollusks yakamata a mayar dasu zuwa kyawawan dabi'u.
[gyara] Menene fuck?!
Geodac shine mollusk na bivalve na wani yanayi mai rikitarwa, jikin wanda za'a iya rarrabashi zuwa kafa, harsashi da siphon. Yana rayuwa ta hanyar gaskiyar cewa daga haihuwa tana binne zurfi a cikin ƙasa mai laka kuma yana tace dabarar daga ruwa mara kyau. Kowace shekara, batun yana da zurfi sosai, harsashi yana girma cikin girma, kuma siphon ya zama mara nauyi kuma ya fi tsayi. Maƙasudan Geoduck ba su da damuwa sosai - a game da cizo a ƙarshen siphon, geoduck zai gajarta shi, kuma hanyar za ta rufe ƙasa.
Rayuwar rayuwar batun ba ta bambanta da rayuwar itaciyar - tana zama a wuri guda kuma masu tacewa, masu tacewa, masu tacewa ... Af, ba za ku iya jin tsoron yin iyo a cikin mazaunan geodaks ba. Yiwuwar yi musu fyade yana da ƙanƙanuwa, saboda suna haifuwa ta hanyar hadi na waje. Mace suna jefa ƙwai ta hanyar siphon, adadinsu zai iya kai biliyan 5 a ƙarni guda, kuma maza, bi da bi, iri. Wannan “hadaddiyar rayuwa” tana cakuda shi cikin ruwa, yana daidaitawa.
Geodacs baya rayuwa tsawon lokaci, amma na dogon lokaci - kimanin shekaru 150, kuma, kamar bishiyoyi, ana iya lissafin rayuwarsu ta hanyar zoben shekara-shekara. A takaice dai, batun yana cikin mutane goma masu dadewa a duniya. Gaba da shi ne biyar sheqa na ruwa da kuma biyu dabbobi ƙasar. Siphon mai wasa mai tsayi na iya girma sama da mita a tsayi. Otaka bullshit, yara!
[gyara] Production
Don ku ɗanɗani mai da daɗi, dole ne kuyi aiki tukuru. Duk da gaskiyar cewa matattarar ƙwayar ƙwayar ƙwayar cuta ta fashe cikin ƙasa zuwa zurfin zurfin, yana kuma da abokan gaba na halitta, ban da ɗan adam: kifin kifaye, ƙananan kifayen teku da mashigar teku, waɗanda suka yi amfani da su daga ƙasa. M mutum bukatar ya fara nemo siphon mai danko daga murfin a cikin ƙaramin zafi. Ba wai kawai yana kusan ganuwa ba, zai kuma yi ƙoƙari don nutsewa cikin lalata. Sannan yabi matakin digging din.
Ana ɗaukar felu kuma an haƙa rami har sai geodac. Wataƙila ku tuna tun daga ƙuruciya cewa idan kun haƙa yashi, to, ramin nan da nan ya juya zuwa cikin rami: yashi "yana gudana" a ciki daga gefuna. Don hana wannan faruwa, an sanya bututu ko akwati a gefuna, wanda ya zurfafa a layi ɗaya tare da rami. Kuma lokacin da ƙananan handsaƙan hannuna suka riga sun isa siphon da aka dade ana jira, lokacin ya zo don nutsewa cikin ruwa don cire mollusk da hannu biyu. Kuma a nan kai ne, duk baƙin ciki, rigar, amma cike da farin ciki a cikin ruhu wanda aka samu ta hanyar da aka samu, wanda yake tsaye tare da kamannin ɗanɗano a hannunka, bugu da ƙari, har ma da rai. Ofishi ya cika.
Hakanan, don ware ruwa, yakamata a aiwatar da aikin bayan wani lokaci bayan lalurar mara karfi da sauri.
Ana ɗaukar bututun da ruwa a ƙarƙashin matsin lamba (mai kama da mai kashe gobara) kuma da taimakonsa an wanke ƙasa zuwa ga geodacs. Da kyau, a nan ya rigaya ya sauƙaƙa - sanin kanka, murmushi, amma sanya jakunkunanku a cikin jaka.
Gabaɗaya, geodacs suna girma akan sikelin masana'antu, suna gujewa tsarin mai haƙar ma'adinai.
[gyara] Yi Amfani
Kodayake batun yana zaune ne a kusa da gabar tekun Pacific na Amurka da Kanada, amma an fi kimar namansa a Japan da Asiya. Kamar yadda wataƙila kun rigaya tsammani, suna cin siphon kanta, amma kuma kusan dukkanin jikin geodac na iya shiga abinci, ban da ɓoye da fata. An nuna godiya ga naman saboda dandano mai yaji da “laushi mai laushi”. Girke-girke kamar haka:
- Aauki geodack
- Yanke siphon
- Jefa siphon a cikin tukunyar ruwan zãfi
- Dafa na kimanin 6 seconds
- Dauke
- Cire fata
- .
- KYAUTA.