Morerong oa rona oa ho senola liphiri tsa nako e fetileng ea Lefatše, ka linako tse ling lintho tse makatsang ka ho fetesisa li etsoa libakeng tse neng li sa lebelloa. Ho joalo ka phuputso ea morao tjena e entsoeng nakong ea ntlafatso ea lipeipi tsa metsi a litšila Auckland, New Zealand.
Ha re sibolla polokelo ea mesaletsa e mengata e fapaneng ea lilemo tse pakeng tsa limilione tse 3 le 3.7, tšibollo ena e makatsang e fana ka pono e ikhethang ea tikoloho ea leoatle nakong ea Late Pliocene. E hatisitsoeng ho tse hlomphuoang New Zealand Journal of Geology le Geophysics, phuputso ena ha e fane feela ka leseli historing ea paleonto ea New Zealand empa e boetse e totobatsa bohlokoa ba tšebelisano pakeng tsa mafapha a sa tšoaneng ho boloka le ho ithuta litlaleho tsena tsa bohlokoahali.
Ho sibolloa ka kotsi: Ntlafatso ea lipeipi tsa metsi a litšila
Ka 2020, e le karolo ea ntlafatso ea lipeipi tsa metsi a litšila Auckland, basebetsi ba ile ba khoptjoa ho fetang feela tokiso ea lipeipi. Ka tlas'a bokaholimo ho ne ho e-na le polokelo ea matlotlo e patiloeng ka har'a likhetla tsa khale. Motsoakong o sa lebelloang oa thuto ea kaho le ea paleonto, ho epolloa ho ile ha epolloa mesaletsa ea lintho tsa khale e fetang 300,000 266 ea mefuta e XNUMX e sa tšoaneng. Ho makatsang ke hore har'a mehlala ena, litsebi tsa paleonto li ile tsa sibolla mefuta e leshome ea mefuta e neng e sa tsejoe pele, 'me ea qala khaolo e ncha ea histori ea Lefatše e neng e le sephiri ho fihlela joale.
E shebana le linako tsa prehistoric
Mesaletsa ea lintho tsa khale e fumanoeng polokelong ena e fana ka temohisiso e tsotehang ka tikoloho ea leoatle e ileng ea atleha lilemong tse limilione tse 3 ho isa ho tse 3.7 tse fetileng. Nakong ena, metsi a leoatle a ne a phahame hanyenyane, ’me boemo ba leholimo bo ne bo futhumala, ho etsa hore ho be le tikoloho e ikhethang ea lintho tse phelang le leoatle. Mesaletsa ea lintho tsa khale e senola mefuta e fapaneng ea mefuta e tsoang libakeng tse fapaneng, e kopantsoeng ke maqhubu le maqhubu a leoatle. Ho tloha ho likhofu tsa khale ka ho fetisisa tse tsebahalang tsa folaxe ho ea ho leruarua la baleen lesapo la mokokotlo, letlotlo lena la masala le etsa hore ho be le monyetla oa ho bona lefatše le laoloang ke liphoofolo tse khōlō tse tebileng, tse hlollang tse jang liphoofolo tse phelang metsing, le libōpuoa tse nyenyane tse rarahaneng tse neng li phela botebong ba leoatle.
Litšibollo tse hlokomelehang
Har'a liphuputso tse sa tloaelehang, tse 'maloa li hlahella ka seoelo le bohlokoa ba tsona. Ho sibolloa ha likhofu tsa khale ka ho fetisisa tse tsebahalang tsa folaxe ho fana ka leseli mabapi le ho iphetola ha li-gastropods tsena tse ikhethang. Ntle le vertebrae ea baleen whale, se fumanoeng se boetse se akarelletsa letoto la tse ling tsa megafauna ea metsing, ho akarelletsa le karoloana ea leino la sperm whale le lesapo la mokokotlo la sawshark e seng e felile. Mahlaseli a ntsu le meno a tsoang ho lishaka tse tšoeu tse tsebahalang li phaella lethathamong la mesaletsa ea lintho tsa khale tse sibolotsoeng.
Sehopotsong: Ngaka Alan Beu
Thuto ena e na le moelelo o tebileng kaha e nehetsoe ho mofu Dr. Alan Beu, setsebi se hlahelletseng sa mesaletsa ea lintho tsa khale tsa molluscan eo ka bomalimabe a ileng a hlokahala ha a ntse a sebetsa ka mesaletsa ena. Tlatsetso ea Dr. Beu, tsebo, le botsebi li ile tsa thusa haholo ho utloisisa le ho khetholla mefuta e mengata ea mefuta e ka har'a polokelo ena. Boinehelo ba hae lefapheng la paleontology le tjantjello ea hae e kholo ea ho manolla nalane ea Lefatše ka mesaletsa ea lintho tsa khale li tla hopoloa ka ho sa feleng.
Tšebelisano le paballo
Ho sibolloa ha polokelo ena e ruileng ea mesaletsa ea lintho tsa khale ho hatisa bohlokoa bo boholo ba tšebelisano pakeng tsa bo-ramahlale, balaoli ba metsi a litšila le borakonteraka. Ho kopanngoa ha lithuto tse fapaneng ho nolofalelitse ho bolokoa le ho ithuta mesaletsa ena ea bohlokoa ea mesaletsa ea lintho tsa khale. Nyeoe ena e sebetsa e le mohlala o khanyang oa kamoo mafapha a fapaneng a sebetsang 'moho a ka sireletsang mesaletsa ea bohlokoa nakong ea merero ea kaho, ho netefatsa hore litlaleho tsa bohlokoa tsa nalane ea Lefatše ha li lahlehe ka ho sa feleng.
Fesetere ka nako e fetileng ea New Zealand
Se sibolotsoeng sena se sa lebelloang se fana ka khothatso e kholo kutloisisong ea rona ea nalane ea paleonto ea New Zealand. E thusa bo-rasaense ho kopanya tlaleho e batsi ea tikoloho ea leoatle e neng e atlehile sebakeng sena lilemong tse limilione tse fetileng. Ka ho holisa tsebo ea rona ea nako e fetileng ea New Zealand, re fumana leseli le lecha mabapi le tikoloho ea maoatleng a lefats'e nakong ea Late Pliocene, 'me qetellong re tlatselletsa kutloisisong ea rona ea setšoantšo se pharaletseng sa ho iphetola ha lintho.
Qetellong, se fumanoeng sena ha se totobatse feela bohlokoa ba tšebelisano lipakeng tsa mafapha a fapaneng empa hape se eketsa kutloisiso ea lefats'e ea tikoloho ea leoatle nakong ea Late Pliocene. Ha re ntse re tsoela pele ho utolla liphiri tsa khale tsa Lefatše, polokelo ea mesaletsa ea Auckland e sebeletsa e le khopotso ea limakatso tse ka tlas'a maoto a rona, tse emetseng ho sibolloa le ho ratoa.
Thuto e ile ea hatisoa qalong koranteng Geology le Geophysics ka August 27, 2023.
