Lub isthmus tau xav tias tau tsim nyob ib puag ncig 2.8 lab xyoo dhau los, sib cais ntawm Atlantic thiab Pacific Dej hiav txwv thiab ua rau tsim lub Gulf Kwj. Qhov no tau pom thawj zaug hauv xyoo 1910 los ntawm North American paleontologist Henry Fairfield Osborn.
Leej twg nrhiav tau Isthmus ntawm Panama?
Nyob rau xyoo 1513, Spanish explorer Vasco Nunez de Balboa tau los ua thawj European pom tias Isthmus ntawm Panama tsuas yog thaj av me me uas sib cais cov dej hiav txwv Atlantic thiab Pacific. Balboa qhov kev tshawb pom tau ua rau muaj kev tshawb nrhiav rau txoj kev dej ntuj txuas rau ob lub hiav txwv.
Thaum twg Isthmus ntawm Panama nrhiav tau?
Cov teb chaws hloov pauv ntawm roob, hav zoov hav zoov hav zoov, thiab ntug hiav txwv. Lub isthmus tau tshawb pom thawj zaug los ntawm cov neeg yos hav zoov prehistoric-siv tsiv los ntawm North mus rau South America. Tus neeg tshawb nrhiav Spanish Rodrigo de Galván Bastidas yog thawj tus neeg European tuaj xyuas thaj chaw (1501).
Leej twg hla Panama Isthmus?
Lub xyoo pua 16th Spanish conquistador thiab explorer Vasco Núñez de Balboa (1475-1519) tau pab tsim thawj qhov chaw ruaj khov nyob rau South American sab av loj ntawm Darién, ntawm ntug dej hiav txwv ntawm Isthmus ntawm Panama. Xyoo 1513, thaum nws taug kev mus rau kev nrhiav kub, nws pom lub hiav txwv Pacific.
Vim li cas qhov kev tshawb pom ntawm Isthmus ntawm Panama tseem ceeb?
Kev tsim ntawm Isthmus ntawm Panama kuj ua si lub luag haujlwm tseem ceeb hauv biodiversity ntawm pebworld. Tus choj ua rau nws yooj yim dua rau cov tsiaj thiab cov nroj tsuag kom txav mus los ntawm cov teb chaws.