News and Society, Mofuta
Le kotsing mefuta: Machaena noka dolphin (baijiu)
Ka 1918, e be ntho e thahasellisang ile lemoha e 'ngoe ea metsi a hloekileng e le matša oa profinse ea Sechaena ea Hunan. The Dongting Lake hlokometse metsing phoofolo e anyesang e ke ea suborder tsa maruarua toothed. Ba bitsoang phoofolo "Chinese noka dolphin."
ke bo-mang noka li-dolphin
Batho li sebelisetsoa ho taba ea hore li-dolphin - baahi ba letsoai leoatle le leoatle metsi. Empa ho na le lelapa tse nyenyane ba e biditseng River dolphin. Kajeno ho na le 4 mefuta ea liphoofolo tse anyesang cetacean. Tse tharo tsa tsona phela ka metsi a hloekileng, 'me le bone ka phela ka linōka le matša a le leoatleng. Ka bomalimabe, sena mefuta kotsing ea ho fela. Ba utloa bohloko ka lebaka la planar le batho. Timele ka lebaka la ho tšilafalo ea linōka le ho tsoma sa laoleheng.
Seo amahanngoa le lebitso la
Batho ba moo ba bitsa noka phoofolo e anyesang "baijiu". Se-china noka dolphin e na le e ikhethang haholo dorsal pop lady, tšoanang le lebokose cheke. Sena ke seo o ile a fa lebitso colloquial tsa mefuta e sa. Lebitso saense ya mefuta e sa - Lipotes vexillifer. Ho akarelletsa ho bopa dikgopolo tsa tse peli. Leipo bolela "lebala" le vexillifer - «jara folakha". Joalokaha u ka bona, bafuputsi ba boetse ba sebelisa Association Link ha picking lebitso bakeng sa mefuta e numerically tse nyenyane phoofolo e anyesang.
Tlhaloso ya mefuta e
Metsi a hloekileng e moemeli oa maruarua toothed, Machaena noka dolphin - haholo phoofolo e khōlō. Palo e kahodimodimo ho tlalehiloe mammalian 'mele bolelele e ne e le 2,5 limithara le bolelele bonyane ba motho e moholo - .. 1.5 limithara Weight batho ba baholo phoofolo e ka Range ho tloha lik'hilograma tse 100 ho 160. Tlhaloso ea dolphin e sa dintlha le ho hongata haholo. E o tsejoa hore tšehali tsa mefuta ena e le khōlō le ho feta boholo ba batona. 'Mele oa dolphin e le letšo-letšo' me stocky. molaleng ke selefouno haholo. The mapheoana pectoral na le ho lefisa ka bophara, empa ho bohale ho joalokaha eka hasesaane theoha ka selepe le. Dorsal pop lady lebokose-karolelano boholo, ka pel'a ka thelelo curving le morao metshetshe. Ho e teng eseng ka bohareng ba ka morao, 'me haufi le karolo mohatla.
Located ka moqhaka phoofolo e anyesang blowhole oval. E batla ile a khaotsa ho le letšehali ho tloha bohareng. Se-china noka dolphin hampe se bonang. mahlo a hae a se hantle ntshetswa pele le ho ena hampe hona teng. Ba phahameng ka hlooho, e leng ho fokotsa ho shebella angle.
Karolong e ka pele ea cranium e - ho thoeng fanoeng ka tsona sethaleng, e moqotetsane le o molelele o. E hanyenyane ikemiselitse ho ea holimo, 'me e tšoana le molomo oa nkholi e. The mohlahare e ka holimo e na le meno ka tlaase ho tlase. Max holimo - 68 meno, 'me e ka tlase - 72 meno.
Ho ke ke ha khoneha hore a ngole tlhaloso ya dolphin, eseng mme bo hlalosang 'mala oa phoofolo. Baijiu khanya e putsoa kapa type genus-bohlooho bb. Tummy liphoofolo tse tšoeu. Le hoja ba bang lipaki tsa re 'mala o le bobebe haholo ho feta ka tlhaloso ya semmuso. Ba bolela hore nōka ea Chinese dolphin tse ka bang tšoeu.
Kabo ya mefuta e
Hangata ka ho fetisisa mofuta ona wa dolphin noka ba ile ba kopana le Nōka ea Yangtze. Ha o nile ka bone, ho bonahala joaloka Nōka Yangtze 'mapeng, joale nahana kamoo e tebileng ka ho fetisisa le mothapo telele ka ho fetisisa. Bolelele ba eona e feta 6300 km le, empa e ne ke sa boloka Machaena noka dolphin tloha fela tšokelo. Ka linako tse ling tse anyesang tsena ba ile ba kopana Tsyantane (Noka) le matša tsa Dongting le Poyang. motho e mong o ne a bone ka sebakeng Shanghai.
Tsela ea ho phela le hore na mofuta ofe diphepelo
Ithuta bophelo ba mofuta ona ho thata haholo. Ka lebaka la linomoro tse nyenyane, ho na le hoo e ka bang ha ho na tlhahisoleseding. Re feela tseba hore li-dolphin noka ba a 'na a ka bobeli le khetha estuaries le tebang metsi mabopong. Ho fetisisa ka etsahala hore ebe, sena ke sesosa sa ntshetsopeleng e fokolang ya tsa makala a mefuta e sa. Metsi ke kamehla seretse, e le leihlo la ha e le hantle e na thuso ho itšetleha ka echolocation.
Se-china noka dolphin ke tsela ea letsatsi le letsatsi tsa bophelo. Bosiu, o ile a tšireletsong libakeng le phallo lieha, ho phutholoha.
The lijo tsa phoofolo e anyesang tse nyenyane tlhapi, eel, bagre le clams. Ka tsoma phoofolo e sebelisa molomo e telele. Le eona digs dolphin ea tlhahiso sludge. Ka ho felisa likhetla ka thata ho sebelisa meno hore ba khethehileng ikamahanya le maemo bakeng sa merero ea tsena.
Ka linako tse ling noka li-dolphin bokella lihlopha. Joalo sehlopha e ka akarelletsa ho motho ka mong 3, 'me ka Kakaretso liphoofolo tse 15. Empa dibopeho tsena ha e sa feleng e telele.
ho ikatisa
About ho ikatisa Chinese noka li-dolphin lesedi le ho honyenyane haholo. Bo-rasaense ba a hakanya, e thehiloeng data ho tswa khoahlapisitseng fumanehang ho bona ka matsoho a bona. Tšehali ha e nonneng haholo. Ba tlisa ka cub se le seng, 'me ha ho eketsehileng hangata ho feta hang ka mor'a lilemo tse 2. Ho fetisisa ka etsahala hore ebe, nako emara ke likhoeli tse 11. Malinyane a hlahile fokola haholo. Ka lekhetlo la pele 'mè o lokela ho boloka ba phaphamale le mapheoana a bona.
The nako e tobileng ea ho fetela bosaling, ha le tsejoe. Ho latela likhopolong, ho ka ba pakeng tsa lilemo tse tharo le tse robeli.
Leka ho ho boloka dimela
Ya e le hantle, bo-rasaense ba leka ho boloka mefuta e kotsing ea ho fela ea liphoofolo, empa tabeng ea China ne o ke ke fihla ke katleho noka dolphin. Ho sa tsotellehe 'nete ea hore mefuta e sireletsa le ho tse thathamisitsoeng ka kotsing ea ho fela, liphoofolo tsa tlhaho ha e le hantle le letšehali. bopaki bo morao tjena ea pokano ena batšoasi ba litlhapi dolphin maikutlo a ne a fumana ka 2004. Ka 2007, leetong le ile la romeloa ho bokella palo e itseng ea fapaneng le ba bong bo batho ka bomong (ka bang 25 lihlooho tsa). Sena se ka lumella maikutlo a sa jala le botlamuoeng 'me karolo e' ngoe ho ea tsosolosa baahi. Empa leeto khutla ka letho. thepa morao-rao e se e tlalehiloeng baijiu. Sena se etsa hore ba fihlela qeto e utloisang bohloko: baahi ba li-dolphin noka a shoa 'me a boele o ke ke oa sebetsa. Ka masoabi ba hlokomele, empa ba Machaena noka dolphin e ka molao a hlokomeloe mabapi le timele tloha 2007.
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