Zuek ea Saint Helena

Pin
Send
Share
Send

St. Helena plover (Charadrius sanctaehelenae) e qalile ho boleloa ka 1638. Batho ba moo ba ile ba reha plover "birdbird" ka lebaka la maoto a eona a masesaane.

Lipontšo tsa kantle tsa plover ea Saint Helena

Zuek oa St. Helena o na le bolelele ba 'mele ba 15 cm.

Ke nonyana e maoto a malelele, e mafubelu, e nang le molomo o moholo le o molelele. Ho na le matšoao a matsho hloohong a sa feteleng ka morao hloohong. Likarolo tse ka tlase ha li na matla. Linonyana tse nyane li 'mala o mosootho' me ha li na letšoao hloohong. Masiba a ka tlase a bobebe.

Ho hasana ha plover ea Saint Helena

Zuek ea Saint Helena ha e felle feela ho Saint Helena, empa hape e lula Ascension le Tristan da Cunha (sehlekehleke se seholo).

Habitats of the plover of Santa Helena

Mohalaleli Helena Zuek o lula libakeng tse bulehileng tsa Saint Helena. E ajoa haholo ho rengoa ha meru, e khetha libaka tse bulehileng morung. Hangata e hlaha hara patsi e shoeleng, lithoteng tse nang le likhohola le maporong a nang le lifate, libaka tse mahoatateng a lehoatata le makhulong a nang le letsoalo le phahameng le joang bo batlang bo omme bo bile bo le bokhutšoane.

Tlhahiso ea plover ea Saint Helena

Plover ea Saint Helena e tsoala selemo ho pota, empa haholo nakong ea komello, e qalang ho tloha mafelong a Loetse ho isa Pherekhong. Matsatsi a sehlaha a ka fetoha ho latela boteng ba maemo a matle a tikoloho, nako e telele ea lipula le sekoaelo sa joang bo bongata se liehisa ho ikatisa.

Sehlaha ke fossa e nyane.

Ho na le mahe a mabeli ka clutch, ka linako tse ling clutch ea pele e ka lahleha ka lebaka la nako e tlang. Ke litsuonyana tse ka tlase ho 20% tse ntseng li phela, leha ho phela ha batho ba baholo ho le holimo. Linonyana tse nyane li tloha sehlaheng ebe li hasana ho potoloha sehlekehleke, li theha mehlape e menyenyane.

Plover baahi ba Saint Helena

Palo ea lipelaelo tsa Saint Helena e hakanyetsoa ho batho ba holileng tsebong ba 200-220. Le ha ho le joalo, tlhaiso-leseling e sa tsoa bokelloa ka 2008, 2010 le 2015 e bonts'a palo ea linonyana tse sa tloaelehang e holimo haholo 'me e pakeng tsa 373 le batho ba fetang 400 ba holileng tsebong.

Tlhahisoleseling ena e supa hore ho bile le pholiso e itseng ka lipalo. Lebaka la liphetoho tsena tse bonahalang le ntse le sa hlaka. Empa phokotso e akaretsang ea baahi ka 20-29% e ntse e etsahala khafetsa bakeng sa lilemo tse 16 tse fetileng kapa meloko e meraro.

Lijo tsa Saint Helena plover

Zuek ea St. Helena e fepa ka mefuta e mengata ea likokoana-hloko. E ja linta tsa patsi, bo-maleshoane.

Boemo ba poloko ea plover ea Saint Helena

Zuek ea Saint Helena ke ea mefuta e kotsing. Palo ea linonyana e nyane haholo mme e ntse e fokotseha butle butle ka lebaka la phetoho ea ts'ebeliso ea mobu le phokotso ea libaka tsa makhulo. Ka lebaka la keketseho ea khatello ea methapo ka lebaka la kaho ea boema-fofane, ho lokela ho lebelloa ho fokotseha ho eketsehileng palo ea linonyana tse sa tloaelehang.

Tšokelo e kholo ho mofuta ona e emeloa ke likatse, likhoto tse jang litsuonyana le mahe.

Zuek ea Saint Helena e khetholloa e le kotsing.

Merero e ntse e tsoela pele ho laola linomoro tsa linonyana mme e leka ho thibela ho theoha.

Mabaka a ho fokotseha ha palo ea baratuoa Saint Helena

Saint Helena plover ke eona feela mefuta e sa feleng ea linonyana tsa lefats'e tse fumanehang ho Saint Helena (UK). Ho fula ka mehlape ho fetohile ho sa ruiseng letho libakeng tse ngata, e leng ho lebisitseng liphetohong tse kholo mohloeng oo. Kholiso ea Sod ka lebaka la phokotso ea phuliso ea mehlape (linku le lipoli) le ho fokotseha ha mobu o lemehang ho ka lebisa ho fokotseheng ha boleng ba phepo le sehlaha libakeng tse ling.

Predation ke lona lebaka le ka sehloohong le etsang hore linonyana li hane sehlaha. Ba sebelisa li-sensor ho latedisa motsamao oa liphoofolo le likhamera tsa infrared, litsebi li fumane hore lihlaheng tse tšoenngoang ke liphoofolo tse li jang, sekhahla sa pholoho ea malinyane se pakeng tsa 6 le 47%.

Keketseho ea tšebeliso ea boithabiso ea lipalangoang libakeng tse se nang lehoatata ho ka lebisa tšenyehong le tšenyo ea lihlaha.

Kaho ea matlo e nka lotho e ncha. Ho na le khoao e kholo mabapi le bongata ba sephethe-phethe le keketseho e lebelletsoeng ea bahahlauli. Boema-fofane bo hahiloeng bo khothaletsa kaho ea matlo a eketsehileng, litsela, lihotele le lithuto tsa kolofo, ho eketsa phello e mpe mefuteng e sa tloaelehang ea linonyana. Ka hona, mosebetsi o ntse o tsoela pele oa ho theha libaka tse loketseng tsa lihlaha makhulong a ommeng, ho nahanoa hore ts'ebetsong ea projeke ena e tla lebisa keketsehong ea palo ea mapolanka.

Mehato ea Paballo ea Saint Helena Plover

Mefuta eohle ea linonyana ho Saint Helena e sirelelitsoe ke molao ho tloha ka 1894. Ho na le National Trust (SHNT) ho Saint Helena, e hokahanyang mesebetsi ea mekhatlo ea sechaba ea tikoloho, e etsang leihlo le lipatlisiso tsa tikoloho, e khutlisetsa libaka tsa bolulo le ho sebetsa le sechaba. Lihekthere tse fetang 150 tsa makhulo li abetsoe libaka tsa tikoloho. Ho tšoasa likatse tse hlaha tse tsomang li-plover ho etsoa.

Royal Society bakeng sa Ts'ireletso ea Linonyana, Temo le Lefapha la Lisebelisoa tsa Tlhaho le SHNT hajoale ba kenya tšebetsong projeke ea ho fokotsa sekhahla sa anthropogenic ho Saint Helena plover. Morero oa ts'ebetso, o kentsoeng tšebetsong ho tloha ka Pherekhong 2008, o etselitsoe lilemo tse leshome le mehato ea ho eketsa palo ea batho ba ratang le ho theha maemo a tsitsitseng a tlhahiso ea linonyana.

Sekolong se fumaneng mangolo Univesithing ea Bath, litsebi tsa baeloji li sebetsa ho thibela liphoofolo tse jang liphoofolo hore li se ke tsa ja mahe a plover.

Liphetho tsa liteko tsena li bonts'itse hore mahe a sehlaheng le litsuonyana hangata ha a shoe haholo ke libatana, empa haholoholo ke maemo a mabe a tikoloho. Lefu le phahameng le boetse le bonoa har'a linonyana tse seng li le baholo. Mehato ea paballo ea Saint Helena plover e kenyelletsa tlhahlobo ea khafetsa ea bongata.

Ho boloka makhulo le ho shebella mefuta ea liphoofolo e hlahisitsoeng. Ho latela liphetoho tikolohong. Ho thibela phihlello ea lipalangoang libakeng tse bohareng ba lehoatata moo mefuta e sa tloaelehang e lulang teng. Fana ka mehato ea ho bebofatsa bakeng sa kaho ea boema-fofane phuleng ea likhohola. Shebella likatse tsa naheng le likhoto haufi le libaka tsa linonyana tse tsejoang. Lekola ka hloko nts'etsopele ea boema-fofane le meralo ea motheo ea bahahlauli e ka senyang sebaka sa sebaka sa Saint Helena plover.

Pin
Send
Share
Send

Shebella video: St Helena Island Post Office (November 2024).