Miyagun shuke-shuke. Rare da miyagun Tsire-tsire

A nau'i nau'i na Flora sau da yawa ya dogara da mutum da hallakaswa, shi dai itace cewa aiki. Dubban kofe na rare shuke-shuke zai taba ganin bil'adama. The Red Littãfi ne jerin shuke-shuke da dabbobi, ko dai dadaddun ko a kan gab da shi. Amma kuma duk da data kasance account, to san da yawa kofe na wasu shuke-shuke bar a duniya, ba shi yiwuwa.

dadaddun jinsin

Dadaddun nau'in sami wannan matsayi da kuma ta wurin a cikin "black list" bayan da suka bace na karshe misali, rubuce a hukumance. A yawa na dadaddun jinsin aka sani kawai da su "saura" - ragowar a kan kankara, shaida a hukuma takardun.

Daya daga cikin mafi tsoho dadaddun shuke-shuke - shi arhefruktus. Ya rage da aka samu a 1998 a Lower Cretaceous a kasar Sin.

A HALITTAR na dadaddun wadannan shuke-shuke, amma suna iya da yaro ko dangi suna dauke ruwa-furannin bi-rana. Arhefruktus kuma girma a cikin tafkunan, amma ba har sai ƙarshen kafa (msl, babu farar). Masana kimiyya yi imani da shi ne daɗaɗɗe m dukkan flowering shuke-shuke a cikin zamani tarihi.

Dadaddun nau'in kullum koma zuwa farkon epochs yanayi. Yana da daraja ambata archaeopteris - tsoho fern, wanda ke tsiro ko a cikin Paleozoic zamanin. An dauke da tsofaffin itace. Shi ne kuma mai ban sha'awa a cikin tsarin itace-kamar shuka lepidodendrons cewa wanzu a cikin Carboniferous lokaci. Its ganye girma kai tsaye daga gangar jikin ba tare da petiole, don haka bayan leaf akwati zauna cicatrectomy, yin haushi kama da kada fata.

Abin baƙin ciki, da tsoho dadaddun tsire-tsire ne ba kadai a cikin su ƙaddara. Ko da a cikin karni na 20th shi ya zama zai yiwu bacewar daga fuskar duniya a Flora. Saboda haka, misali, an irretrievably rasa Viola cryana cewa ya girma a kan farar ƙasa kasa a kudu maso gabashin kasar Faransa. Don ta mutuwa sa a wani m fashewa da farar ƙasa.

By gaba daya bace 799 iri data for 2011 (ciki har da fauna) a cikin daji yanayi ya daina wanzuwa 61 jinsunan da kuma babban adadin ne a kan gab da nau'i nau'i. A kowace shekara, wadannan Figures suna, da rashin alheri, kawai girma.

Dadaddun a cikin daji

EW - wannan matsayi ne da shuke-shuke da cewa tsira kawai a zaman talala. Sun yawanci girma a cikin Botanical gidãjen Aljanna da kuma yanayi reserves, inda adadinsu ya cigaba da sanya idanu.

Alal misali, encephalartos Wood, girma a kan da dazukan gangara na Afirka ta Kudu, an cire daga cikin daji da kuma sanya shi a cikin Botanical gidãjen Aljanna a sassa daban daban na duniya. Saboda yanayin unfavorable, wannan shuka iya bace har abada. Kuma duk domin shi ne wani nau'i ne na namiji shuke-shuke, da cewa shi ne, ba jinsi a cikin saba hanya, amma kara ta rarraba wata guda misali.

Miyagun shuke-shuke suna wani lokacin dauke gaba daya bace daga duniya, amma a mu'ujiza ya faru da wani ya sami karshe misali. Wannan ya faru tare da Gibraltar campion, wanda shekaru da yawa da aka dauke batattu domin yanayi. Amma a shekarar 1994, wanda mai hawan duwatsu sanadin tuntuɓe, a kan wannan flower a duwãtsu. Don kwanan wata, wannan shuka zaune a Gibraltar Botanical Garden da Royal Aljanna London.

Saboda nau'i nau'i na su ne kawai hure - tsuntsaye sunbirds - bace mai kyau flower, da ake kira "aku ta baki". Its Inflorescence ne sosai reminiscent tsuntsu ta baki, ko da yake suna ja-orange launi. Home zuwa flower ne Canary Islands.

Wani mai ban sha'awa flower girma shi ne a yanzu a cikin zaman talala - a cakulan halittu. Wannan sabon abu da sunan wani Mexican flower tare da turare da vanilla.

Dalilin da bacewar da dama shuke-shuke ne mutum aiki, amma kuma na halitta abubuwa yin su taimako bakin ciki. Saboda haka, bayan wata wuta a 1978 a Hawaii daga cikin daji bace Kokio flower cewa girma ne kawai a cikin kututturan itacen wasu nau'in.

mummunan ha] ari

CR - wannan category ne m for iri daban-daban miyagun. Da yawa waɗanda shuke-shuke da cewa suna cikin wannan rukuni, ya dade matattu, amma masana kimiyya ba su da lokacin da za a gudanar da wani isasshen gudanar da bincike don tabbatar da. A shekarar 2011, a karkashin alamar CR ya 1619 shuka iri.

Rasha miyagun shuke-shuke suna kuma hada a cikin wannan category. Tsire-tsire kamar ginseng, Adonis spring, rawaya ruwa Lily, ne a kan gab da nau'i nau'i a cikin kasar saboda da magani Properties. Mutane da yawa mutane sun san cewa shi ne mai shuka da Red Littãfi, yaga su, sa'an nan ruining aukacin jama'ar.

Daya daga cikin rarest shuke-shuke a duniya - wani dutse flower Edelweiss. Yana za a iya samu a cikin Alps, da Altai da Caucasus, amma kuma akwai bukatar hawa zuwa wani tsawo na dama dubu mita. Flower, kewaye da Legends, da ciwon Inflorescence a cikin nau'i na taurari, likes kawaicin da nake yi, ko da yake shi ya zama majiɓinci saint na masoya.

Shuke-shuke daga cikin Red Littãfi an haramta tara. Alal misali, a Switzerland domin irin wannan laifi zai biya tarar da ban sha'awa.

namun dajin

EN - matsayi, wanda jinsunan a hadarin bace saboda su kananan size ko unfavorable yanayi na duniya da kuma da mazauninsu.

Tun daga nan, yadda duniya yana da nasa farko mutum, nau'i nau'i na jinsunan shuke-shuke da dabbobi fara samun m taki. Wannan ya hade da aikin noma, da farauta.

Abin da shuke-shuke suna mutuwa da kuma abin da yake ba, shi ne wuya a ƙayyade. Wannan shi ne saboda wasu daban na wuraren ne kawai ba a sani ba, to tsayar da ainihin adadin da ba zai yiwu.

A Red Littafi na Rasha 652 shuka iri da suke dauke miyagun. Daga cikin su polushnik, snowdrop ploskolistny, Fori rhododendron, tsarki lotus, dutsen peony, da kuma waɗansu da yawa.

Miyagun shuke-shuke a Rasha an kare, duk da haka, administrative. Amma a yanayin saukan total halakar da wani shuka iri daga Red Littafi m laifi alhakin.

m

Vu - kiyayewa matsayi na shuka iri da suke a hadarin samun miyagun. Amma akwai shuke-shuke da cewa suna daidai haifa a cikin zaman talala, kuma, a gaskiya, ba a karkashin barazana. Duk da haka, masana kimiyya suna karkata zuwa bar wannan matsayi na su, saboda akwai m don rage yawan a cikin daji. Alal misali, carnivorous shuka Venus flytrap wanda ciyarwa a kan kwari da kuma molluscs wani lokacin yana da matsayi vu.

Wannan category na shuka yana da fiye da dubu biyar da shuke-shuke, ciki har da mosses. Alal misali, Rasha knapweed, gorse Scythian, gyada bearish, Tulip Gesner, Yew , da dai sauransu

Kiyayewa-dogara jinsunan

Tun da 1994, World muhalli Union ba ya da wani sabon iri na shuke-shuke a wannan category. CD ne subcategory, wanda aka raba uku rassan:

• dogara a kan adana.
• kusa da m halin da ake ciki.
• karamin barazana.

The International Red Littafi rubuta 252 jinsunan na ga wannan sub-category. Alal misali, kunonya rotundifolia, nau'i nau'i elaeocarpus Mexican viburnum da dai sauransu

Miyagun Tsire-tsire a cikin wannan category kusan ba su dawo ba, kamar yadda ya mayar da yawan miyagun shuke-shuke ne kusan ba zai yiwu.

Kusa da m halin da ake ciki

NT-halin da aka bai wa dabbobi da kuma shuke-shuke da za su iya samu shiga cikin kungiyar na vulnerabilities a nan gaba, amma ba a halin yanzu batun wani barazana. Babban sharudda ga fadowa cikin wannan rukuni ne akan rage yawan size da kuma rarraba a duniya.

A shekarar 2011, wannan matsayi yana da fiye da 1,200 shuke-shuke.

Kalla-damuwa jinsunan

LC matsayi da ake sa wa dukan sauran iri dabbobi da kuma shuke-shuke da kuma wanda ba su sanya wani category. Miyagun shuke-shuke sun ba ta kasance a cikin wannan category.