Li-Grey Whales li Pholohile Baja California

Ka Mark J. Spalding, Mopresidente, The Ocean Foundation

Blog ena qalong e hlahile ho National Geographic's Maemo a Leoatle.

Ke nako ea ho falla ha li-gray whale lebōpong le ka bophirimela la Amerika Leboea.

Li-Grey whales li falla ka nako e telele ho feta phoofolo efe kapa efe e anyesang Lefatšeng. Selemo se seng le se seng li sesa lik'hilomithara tse fetang 10,000 11 ho ea le ho khutla pakeng tsa matangoana a Mexico le libaka tsa ho jella Arctic. Nakong ena ea selemo, maruarua a ho qetela a bo-'m'a a fihla ho tla beleha 'me a pele a a tona a leba leboea-XNUMX a bonoe bekeng ea pele ea ho shebella mocha oa Santa Barbara. Letamo le tla be le tletse masea a sa tsoa tsoaloa ha nako ea pelehi e fihla sehlohlolong sa eona.

E 'ngoe ea matšolo a ka a maholo a paballo ea maoatle e ne e le ho thusa ka ts'ireletso ea Laguna San Ignacio e Baja California Sur, sebaka sa mantlha sa ho tsoala maruarua a bohlooho le sebaka sa polokelo ea maoatle-'me ke ntse ke lumela hore ke se seng sa libaka tse ntlehali Lefatšeng. Qetellong ea lilemo tsa bo-1980, Mitsubishi e ile ea etsa tlhahiso ea ho theha mosebetsi o moholo oa letsoai Laguna San Ignacio. Mmuso oa Mexico o ne o sekametse ho e amohela ka mabaka a nts'etsopele ea moruo, leha letamo lena le na le mabitso a mangata e le sebaka se sirelelitsoeng naheng le machabeng.

Letšolo le tiileng la lilemo tse hlano le ile la hohela bafani ba likete ba tšehelitseng boiteko ba machaba bo ileng ba kengoa tšebetsong ke kopanelo e neng e akarelletsa mekhatlo e mengata. Libapali tsa libaesekopo le libini tse tummeng li ile tsa ikopanya le baitseki ba lehae le batšehetsi ba Amerika ho emisa mesebetsi ea letsoai le ho tlisa tlhokomelo ea machaba mahlomoleng a grey whale. Ka 2000, Mitsubishi e phatlalalitse morero oa eona oa ho hula merero ea eona. Re ne re hlotse!

Ka 2010, bahlabani ba letšolo leo ba ile ba bokana ho e 'ngoe ea likampong tsa rustic tsa Laguna San Ignacio ho keteka lilemo tse 10 tsa tlhōlo eo. Re ile ra ntša bana ba sechaba sa moo leetong la bona la pele la ho shebella maruarua—e leng mosebetsi o fanang ka mokhoa oa ho iphelisa mariha bakeng sa malapa a bona. Sehlopha sa rona se ne se kenyelletsa matšolo a kang Joel Reynolds oa NRDC ea ntseng a sebetsa molemong oa liphoofolo tse anyesang tsa metsing letsatsi le letsatsi, le Jared Blumenfeld, ea tsoileng pele ho sebeletsa tikoloho tšebeletsong ea mmuso.

Hape har’a rōna ho ne ho e-na le Patricia Martinez, e mong oa baeta-pele ba paballo ea lintho tsa tlhaho Baja California bao boitlamo ba hae le ho khanna ho ileng ha mo isa libakeng tseo a neng a ke ke a li nahana ho sireletsa letamo leo le letle. Re ile ra etela Morocco le Japane, hara libaka tse ling, ho sireletsa boemo ba Letša la Bohlokoa ba Lefatše le ho netefatsa ho ananeloa lefatšeng ka bophara bakeng sa litšokelo tseo e tobaneng le tsona. Patricia, khaitseli ea hae Laura, le baemeli ba bang ba sechaba e bile karolo e kholo ea katleho ea rona 'me ba lula ba le teng molemong oa ho sireletsa libaka tse ling tse sokelang hloahloeng ea Baja California.

Ho Sheba Bokamoso

Mathoasong a Hlakola, ke ile ka ea Seboka sa Southern California Marine Mammal Workshop. E tsamaisoa ke Pacific Life Foundation ka kopanelo le The Ocean Foundation, thupelo ena e 'nile ea tšoareloa Newport Beach selemo se seng le se seng ho tloha ka Pherekhong 2010. Ho tloha ho bafuputsi ba phahameng ho ea ho lingaka tsa liphoofolo tse anyesang tsa leoatleng ho isa ho ba banyenyane ba Ph.D. bakhethoa, barupeluoa ba lithupelo ba emela letoto la mekhatlo ea mmuso le ea thuto, hammoho le batšehetsi ba bang ba seng bakae le mekhatlo e ikemetseng. Sepheo sa lipatlisiso ke liphoofolo tse anyesang tsa leoatleng tsa Southern California Bight, sebaka sa lisekoere-maele tse 90,000 sa Pacific Bochabela se bolelele ba lik'hilomithara tse 450 lebōpong la Leoatle la Pacific ho tloha Point Conception haufi le Santa Barbara ka boroa ho ea Cabo Colonet e Baja California, Mexico.

Litšokelo ho liphoofolo tse anyesang tsa leoatleng li fapane—ho tloha ho mafu a ntseng a hlaha ho ea ho ho fetoha ha lik’hemik’hale tsa leoatle le mocheso ho ea ho litšebelisano tse bolaeang le mesebetsi ea batho. Leha ho le joalo, matla le tjantjello ea litšebelisano tse hlahang thupelong ena li susumetsa tšepo ea hore re tla atleha ho khothaletsa bophelo bo botle le tšireletso ea liphoofolo tsohle tse anyesang tsa leoatleng. 'Me, ho ne ho thabisa ho utloa hore na palo ea grey whale e ntse e hlaphoheloa joang ka lebaka la tšireletso ea machaba le ho falimeha ha lehae.

Mathoasong a Hlakubele, re tla keteka sehopotso sa bo13 sa tlholo ea rona Laguna San Ignacio. Ho tla ba monate ho hopola matsatsi ao a mahlonoko hobane ke masoabi ho bolela hore Patricia Martinez o ile a lahleheloa ke ntoa ea hae ea mofets'e qetellong ea Pherekhong. E ne e le moea oa senatla le morati oa liphoofolo ea chesehang, hammoho le morali'abo rōna ea babatsehang, mosebetsi-'moho le eena le motsoalle. Pale ea grey whale nursery ea Laguna San Ignacio ke pale ea tšireletso e tšehetsoeng ke ho falimeha le ts'ebetsong, ke pale ea tšebelisano-'moho ea lehae, ea libaka le ea machaba, 'me ke pale ea ho sebetsana le liphapang ho finyella sepheo se le seng. Nakong ena selemong se tlang, ’mila o moholo o katiloeng o tla hokahanya letamo lena le lefatše lohle ka lekhetlo la pele. E tla tlisa liphetoho.

Re ka tšepa hore boholo ba liphetoho tseo li molemong oa maruarua le lichaba tse nyenyane tsa batho tse itšetlehileng ka tsona—le bakeng sa baeti ba lehlohonolo ba tla bonela libōpuoa tsena tse hlollang haufi-ufi. 'Me ke lebeletse hore e tla ba khopotso ea ho lula u tšehetsa le ho falimehela ho netefatsa hore pale ea katleho ea grey whale e ntse e le pale ea katleho.