Muaj pes tsawg tus tsiaj hauv dej?

2023 Tus sau: Isaac Wood | [email protected]. Kawg hloov kho: 2023-05-24 13:04

Nyob ntawd yog 228,450 paub hom hauv tus dej hiav txwv - thiab as ntau raws li 2 lab ntxiv uas tseem muaj qhov tsis meej tag nrho.

Tib neeg kuj nug tias, pes tsawg tus tsiaj nyob hauv dej hiav txwv?

Yog li, muaj tsawg kawg yog 226, 408 hom dej hiav txwv tab sis muaj tsawg kawg yog 750,000 hom dej hiav txwv (50% ntawm 1.5 lab hom) thiab tejzaum nws muaj li 25 lab hom dej hiav txwv (50% ntawm 50 lab hom). Cov dej hiav txwv npog 71% (thiab nce) ntawm lub ntiaj teb nto thiab muaj 97% ntawm lub ntiaj teb dej.

Ib yam li ntawd, muaj pes tsawg hom nyob hauv dej hiav txwv 2019? Yog li, kuv tsis tuaj yeem qhia koj raws nraim muaj pes tsawg hom nyob hauv qhov tob hiav txwv, tab sis kuv tuaj yeem qhia koj tias tam sim no peb muaj 409, 543 lub npe hom hauv dej hiav txwv (World Register of Marine Hom, nkag 03/18/2019).

Qhov thib ob, cov tsiaj twg nyob hauv dej hiav txwv?

Tsiaj txhu ntawm Marine Biome

• Ntses - Sharks, swordfish, tuna, clown ntses, grouper, stingray, flatfish, eels, rockfish, seahorse, sunfish mola, thiab gars.
• Marine mammals - Blue whales, seals, walruses, dolphins, manatees, thiab otters.
• Mollusks - Octopus, cuttlefish, clams, conch, squids, oysters, slugs, thiab qwj.

Qhov txawv ntawm hiav txwv thiab dej hiav txwv yog dab tsi?

Ib dej hiav txwv yog ib tug loj thiab ib tug nruam nruam ntawm Cov dej qab ntsev uas nyob yuav luag 70 feem pua ntawm thetotal ntiaj teb nto thaum a hiav txwv yog lub cev loj ntawmdej saline uas occupies ib feem ntau ntawm lub ntiaj teb saum npoo tab sis me dua ib dej hiav txwv.