Mary Allen
Introduction
Sable Island, nyob ntawm ntug dej hiav txwv ntawm Nova Scotia, Canada, yog lub tsev rau cov pej xeem tshwj xeeb ntawm cov nees feral hu ua Sable Island Ponies. Cov ponies no tau nyob hauv cov kob rau ntau pua xyoo thiab tau yoog rau lawv ib puag ncig hauv txoj kev ntxim nyiam. Ntxiv nrog rau cov ponies, cov kob kuj yog lub tsev rau ntau yam tsiaj qus, nrog rau cov ntsaws ruaj ruaj grey, cov ntsaws ruaj ruaj, coyotes, thiab ntau hom noog thiab kab. Tsab ntawv xov xwm no yuav tshawb xyuas seb Sable Island Ponies cuam tshuam li cas nrog lwm hom ntawm cov kob.
Keeb kwm ntawm Sable Island Ponies
Sable Island Ponies ntseeg tau tias tau nqis los ntawm cov nees uas tau coj mus rau cov kob los ntawm cov neeg nyob sab Europe thaum ntxov nyob rau xyoo pua 18th. Nyob rau tib lub sijhawm, cov ponies tau hloov mus rau qhov chaw hnyav ntawm cov kob, txhim kho lub cev thiab tus cwj pwm coj txawv txawv. Niaj hnub no, cov ponies suav hais tias yog feral, txhais tau hais tias lawv yog cov tsiaj qus uas tau hloov mus rau lub neej nyob rau hauv cov qus thiab tsis nyob hauv tsev.
Cov tsiaj qus ntawm Sable Island
Ntxiv nrog rau Sable Island Ponies, cov kob yog lub tsev rau ntau yam tsiaj qus. Grey ntsaws ruaj ruaj yog cov tsiaj hiav txwv ntau tshaj plaws nyob rau hauv cov kob, nrog rau kwv yees li ntawm 400,000 tus neeg. Chaw nres nkoj cov ntsaws ruaj ruaj kuj tseem muaj, txawm tias muaj tsawg dua. Coyotes tau qhia rau cov kob nyob rau hauv lub xyoo pua 20th thiab tau dhau los ua ib qho tseem ceeb ntawm cov tsiaj qus ntawm cov kob. Cov kob kuj yog qhov chaw yug me nyuam tseem ceeb rau ntau hom noog, suav nrog Ipswich Sparrow thiab Roseate Tern.
Ponies 'Role hauv Ecosystem
Lub Sable Island Ponies ua lub luag haujlwm tseem ceeb hauv cov kob cov ecosystem. Lawv yog cov grazers, txhais tau hais tias lawv noj nyom thiab lwm yam nroj tsuag, uas pab kom cov nyom thiab dunes ntawm cov kob nyob rau hauv kos. Lawv cov tsiaj txhu kuj tsim muaj ntau hom mosaic ntawm cov nroj tsuag, uas muab chaw nyob rau ntau hom tsiaj. Cov ponies cov quav kuj muab cov as-ham rau cov kob cov av thiab txhawb kev loj hlob ntawm cov nroj tsuag.
Yuav Ua Li Cas Ponies thiab Grey Seals Coexist
Cov ponies thiab grey seals ntawm Sable Island muaj kev sib raug zoo tshwj xeeb. Cov ntsaws ruaj ruaj feem ntau pom lounging ntawm lub puam thaum cov ponies graze nyob ze. Txawm hais tias cov ponies qee zaus tshawb xyuas cov ntsaws ruaj ruaj, lawv feem ntau nyob sib haum xeeb. Cov ponies 'grazing kuj pab tswj lub puam chaw nyob uas cov ntsaws ruaj ruaj xav tau rau yug me nyuam.
Qhov cuam tshuam ntawm Ponies rau Cov Neeg Noog
Qhov cuam tshuam ntawm Sable Island Ponies rau cov noog coob yog qhov nyuaj. Ntawm ib sab, cov ponies 'grazing tsim muaj ntau hom mosaic ntawm cov nroj tsuag uas muab chaw nyob rau ntau hom noog. Ntawm qhov tod tes, cov ponies tuaj yeem tsoo zes thiab cuam tshuam cov noog yug me nyuam. Zuag qhia tag nrho, ponies 'kev cuam tshuam rau cov noog noog yog xav tias yuav zoo, vim lawv tsim ntau qhov chaw nyob dua li lawv rhuav tshem.
Ponies 'Kev Sib Raug Zoo nrog Chaw Nres Nkoj Seals
Kev sib raug zoo ntawm Sable Island Ponies thiab cov ntsaws ruaj ruaj tsis tshua nkag siab zoo dua li lawv txoj kev sib raug zoo nrog cov ntsaws ruaj ruaj grey. Nws tau xav tias cov ponies qee zaum yuav raug tua ntawm cov tub ntxhais hluas cov ntsaws ruaj ruaj, txawm hais tias qhov no tsis yog ib qho kev hem thawj rau tag nrho cov pejxeem.
Ponies 'Kev Sib Tham nrog Coyotes
Coyotes yog ib qho tseem ceeb ntawm cov tsiaj nyeg ntawm Sable Island thiab tau paub tias yuav raug tua ntawm cov ponies. Txawm li cas los xij, cov ponies kuj muaj peev xwm tiv thaiv lawv tus kheej tawm tsam coyotes thiab tau pom tias lawv khiav tawm mus.
Ponies thiab Invasive Species
Sable Island yog lub tsev rau ntau hom kab mob, suav nrog European beachgrass thiab Japanese knotweed. Lub Sable Island Ponies tau pom grazing ntawm cov nroj tsuag invasive, uas pab tswj lawv kev sib kis thiab tiv thaiv lawv los ntawm outcompeting haiv neeg cov nroj tsuag.
Ponies thiab Sable Island Kab laug sab
Sable Island yog lub tsev rau cov pej xeem tshwj xeeb ntawm kab laug sab hu ua Sable Island Kab laug sab. Cov kab laug sab no tsis pom nyob qhov twg hauv ntiaj teb thiab xav tias tau hloov zuj zus ntawm cov kob. Kev sib raug zoo ntawm cov kab laug sab thiab cov ponies tsis to taub zoo, txawm hais tias nws tau xav tias cov ponies qee zaum raug tua ntawm kab laug sab.
Lub neej yav tom ntej ntawm Sable Island Ponies thiab lawv cov tsiaj qus nyob ze
Lub Sable Island Ponies thiab lawv cov tsiaj qus cov neeg zej zog ntsib ntau yam kev hem thawj, suav nrog kev hloov pauv huab cua, kev poob vaj tse, thiab muaj peev xwm nthuav tawm cov kab mob tshiab. Kev siv zog tab tom ua los tiv thaiv lub koog pov txwv cov ecosystem tshwj xeeb thiab xyuas kom meej tias cov ponies thiab lwm yam tsiaj qus tuaj yeem muaj kev vam meej.
xaus
Lub Sable Island Ponies yog ib qho piv txwv zoo ntawm cov tsiaj txhu tuaj yeem hloov mus rau lawv ib puag ncig lub sijhawm. Lawv txoj kev sib raug zoo nrog lwm cov tsiaj qus ntawm Sable Island yog qhov nyuaj thiab ntau yam, nrog rau kev cuam tshuam zoo thiab tsis zoo. Raws li peb txuas ntxiv kawm ntxiv txog qhov ecosystem tshwj xeeb no, nws yog ib qho tseem ceeb uas peb ua haujlwm los tiv thaiv nws rau yav tom ntej tiam neeg kom txaus siab.