
chiinii paddlefish

chiinii talwar maase mhanoonahi olakhale jaanare chiinii paddlefish (pephurus gladius; shabdik anuvadah 'white sturgeon') hii namshesh jhaleli mashanchi prajati aahe jee purvi chinmadhil yangtze aanee pivalya nadichya khonyanmadhye moolchi hotee. namunyanchya nondi aanee bahudha lambisah, tee godya panyachya mashanchya sarvat mothya prajatinpaiki eka hotee. pephurus vanshatil hii ekmev prajati hotee aanee paddlefichya (polydontiday) alikadil done prajatinpaiki eka hotee, dusari american paddlefish (polydon spathula) hotee. hii eka anadromous prajati hotee, mhanje tyane tyachya praudh jivanacha kahee bhag samudrat ghalavala, tarr naditoon ugavanyasathi sthalantar kele.
chiinii paddlefish adhikrutpane 2022 madhye namshesh ghoshit karnyat aala, 2005 paryant namshesh honyacha andaj aahe, aanee 2010 chya nantar nahee, jaree too 1993 paryant karyatmakaritya namshesh jhaala hota. tyachya namshesh honyache mukhya kaaran gezoba aanee teen dyaa dharananche bandhkam hote, jyamule loksankhyeche vibhajan hote aanee anadromous sponning sthalantar rokhale gele. tyachya nashamadhye atimatsyapalanane dekhil mahattvapoorn bhoomika bajavali. chiinii paddlefiche masemari shatkanushatke june aahe, 1970 chya dashkaparyant varshik peak 25 tanparyant pohochale aahe. 1990 chya dashakapasun, yaa prajatila aantarrashtriy nisarg sanwardhan sanghatnene (aay. yuu. see. aine.) adhikrutpane gambhirpane luptapray mhanoon soochibaddha kele hote aanee 2003 madhye shevatche jiwant pahile gele. yangtze nadee matsyodyog sanshodhan sansthechya shastradnyansah 2019 chya eka peparmadhye yaa prajati namshesh jhalyache aadhalale. 15 september 2019 roji aay. yuu. see. aine. chya prajati astitva aayogachya sturgeon tadnya gatane too namshesh honyas ekmatane sahmati darshavali, julai 2022 madhye aay. yuu. see. aine. laal yadine tyachi sanwardhan sthitee aupcharikpane adyayavat kelee.
varnan.
chiinii paddlefichya khalcha bhag pandhara hota aanee tyachi paath aanee doke rakhadi hote. tyachya prushthbhagavaril aanee guddwaravaril pankh shariravar barech mage sthit hote. paddlesarkha rostrum arund aanee tokdar hota aanee sharirachya ekoon lambichya eka chaturthansh teey eka trutiyansh darmyan hota. tyache dolhe lahan aanee goal hote. shepaticha pankh heterosercal (pathicha kanaa varchya bhagaparyant vistarlela) hota, tarr khalcha bhag changlya prakare vikasit jhaala hota. kavati american paddlefishpecsha adhik lamb aanee arund aahe aanee itar paddlefichya kavatichya hadanvar shilpakala nahee, aanee rostrumvaril stellet (taara-aakarachi) hadey american paddlefichya tulanet qamee aahet. daat lahan, tikshna, kutryanchya aakarache aanee aatalya dishene valanare hote aanee vadhidarmyan jabadyachya tulanet pramananusar lahan jhaale aanee praudhanmadhye teey purnapane hadat misalale gele. polyodon" chya tulanet jabade lahan hote aanee pramananusar arund antar hote aanee american paddlefichya ulat, parantu jivashma paddlefichya samaan, varcha jabada mendushi ghattapane jodalela navhata. itar paddlefishpramanech haah sangad mothya pramanat cartilaginus hota. kadal pedankal aanee kadal finmadhil lahan kadya vagalata sharirala kadyancha abhav hota.
balkanche vajan tyanchya pahilya hivalyaparyant sumare vadhale aanee teey eka varshanche hoiparyant tyanchi lambi aanee vajan sumare eka varsh hote. yaa lambichya palikade, sharirachya lambichya tulanet pramanbaddh vajan vaadh natakiyapane vadhali, teey lamb asatana sumare vajanaparyant pohochale. teey sumare eka vajan laingik paripakvata gathali. chiinii paddlefishchi kamal lambi anekada uddhrut kelee jaate, haah andaj varvar pahata see dware deela jaato. ping (1931), jaree grand aanee bemis (1991) nusar, vareel namune nishchitpane mojale gele navhate. nanjingmadhil machchimaranni 7 meater lambicha aanee 907 kiloogram vajanacha chiinii paddlefish pakadalyachi nond pingne kelee aahe. fishbases aanee world wide fund phaur nechar heey eka rudhivadi kamal vajan dete. laingikdrushtya paripakv jhalyanantar maadee maase narr mashanpeksha mothe jhaale asavet asey suchavale jaate, jaree tyapurvi tyaa samaan darane vadhalya hotya. jaree saiddhantik kamal ayurman lakshaniyaritya jaast asanyachi shakyata aahe, taree loksankhyevar manavvanshjanya parinam pratibimbit karatat, asey andajit kele gele aahe qee tyache ayurman andaje 29-38 varshe aahe.
vargikaran aanee utkrantivadi itihas.
1862 madhye edward wonn martensney yaa prajatila pahilyanda 'polyodon' chee prajati mhanoon naav dile. 1873 madhye albert guntharne tyala eka vegalya, eksaman vanshamadhye thewale. 1862 madhye johann jacob kaup yanni dekhil yaa prajatila 'spatularia angustifolium' heey vegale naav dile hote, parantu heey 'pii' chey kanishth samanarthi manale jaate. gladius."
paddlefish (polydontiday) heey sturgeons (acepensaridae) sobat asalelya acepenseriformachya done jiwant kutumbanpaiki eka aahe. acepenseriformschya sarvat junya nondi 19 kotee varshanpurvichya jurassic kalatil aahet. sarvat june paddlefish jivashma heey chinchya suruvatichya cretatiusmadhil protopsepheurus aahe, jeey sumare 12 kotee varshanpurviche aahe. american paddlefish ("polyodon") asalele vanshatil sarvat june pratinidhi sumare 65 dashalaksh varshanpurviche aahet, jeey paleocenechya suruvatipasun aahet. american aanee chiinii paddlefish yanchyatil vichalanachya vayasathi vividh aanvik ghadyal andaj denyat aale aahet, jyat 68 dashalaksh varshanpurvi 72 dashalaksh varshanpurvi aanee 100 dashalaksh varshanpurvicha samavesh aahe, jeey serve madhya teey varchya cretatiusche aahet.
grand aanee itarannantar alikadil aanee jivashma paddlefish vanshanche sambandh."(2002).
vitaran, adhivas aanee paryavaran.
chiinii paddlefish heey yangtze (chang jiang) nadichya khonyat aanee purv chean samudratil tyachya nadimukhat moolche hote. aitihasikdrushtya pivalya nadichya khonyat (jeey bhavya kalvyane yangtzeshi jodalele aahe) aanee pivalya samudratil tyachya nadimukhamadhye dekhil tyachi nond karnyat aalee hotee. tyat pramukhyane mothya nadya rahat asat, parantu kadhikadhi mothya talavanmadhye pravas karat asey. tyanchya anadromous swabhavamule, paripakv vyakti purv chean samudra aanee pivalya samudrachya kinarpattichya panyat aadhalalya; kadhikadhi vasant rututil bharati vyaktinna zhejiang prantachya kiantang aanee yong nadyanchya khalchya bhagat aanat.
yaa prajatinni aaplya aayushyacha kahee bhag yangtzechya khalchya bhagat, tyachya nadimukhatil kharya panyasah ghalavala, parantu vasant rutumadhye, marchchya madhyapasoon aprilchya suruvatiparyant, undy ugavanyasathi ekatra yenyasathi nadivar aanee pramukh upanadyanmadhye sthalantar kele. jinsa nadivaril eka ankuran sthal, nadichya madhyabinduvar, nadichya kathapasoon aaspas, sumare lambiche hote aanee panyachi kamal kholee aanee jalad panyacha pravah hota, khalchya bhagat talashi gaal jhalalanara aanee varchya bhagat chikhal/valukamay hota. sponning chiinii paddlefichya namunyavar kelelya abhyasat asey aadhalun aale qee teey serve kiman 8 varshanche hote. striya bahudha purushanpeksha nantar laingikdrushtya paripakv jhalya asateel aanee bahudha darvarshi, bahudha darr dusya varshi kinwa itar asypenseriformpramane kahee pramanat qamee vela, ugavalya nastil. maadee mashanchya andashayanmadhye 100,000 hoon adhik undy hotee, pratyek andaje sampoorn. vikasansheel zygots aanee talane heey aagney sichuaanmadhil luzouchya varchya bajula asalelya yangtze khonyachya pradeshapurate maryadit hote, tarr lahan mule aanee praudh heey yangtze nadeet agadi khalchya teey varchya bhagaparyant mothya pramanat pasarlele hote.
maase mothya pramanat ekte hote aanee panyachya stambhachya khalchya-madhya tharanvar vyapalele hote. chiinii paddlefish heey majboot jaltaranpatu mhanoon olakhale jaat hote. tyachya sapeksh american paddlefichya ulat, joou eka planctiverus filter feeder aahe, chiinii paddlefish pramukhyane masaliyukt hota, pramukhyane ancovies ("koilia"), cyprenids ("corius, rhinogobio"), "gobij (" gobius ") tasech bagrid catalfish aanee donhi prakarche flonder yasarkhe lahan teey madhyam aakarache maase khaat asey. kolambi aanee khekadehi khalle gele. jabade, american paddlefichya ulat, parantu sturgeon aanee jivashma paddlefishsarkhe, baher padnyas saksham hote, heey kapalatil kinesischa eka prakar aahe jyamule teey kavatichya urvarit bhagachya tulanet haloo shakatat, aanee varcha jabada shikar pakadanyasathi khalchya aanee pudhchya dishene dhakalanyas saksham asato. paddlefish, itar acepenseriform aanee prushthavanshiy pranyanchya itar anek gatanpramanech, ampula navachya sanrachanancha vapar karoon nishkriy vidyutpratirodhanat (bahya vidyut kshetranche samvedan) guntatat, jeey sanvedi avyavanchya parshva resha pranalicha vistar karatat. nishkriy vidyutpratirodh (jethe vidyut kshetra sanvedanaksham asate parantu vidyut mashanpramane utpann hott nahee) pramukhyane shikaradvare nirman honari kamkuvat vidyut kshetra shodhanyasathi vaparali jaate. itar paddlefishpramanech chiinii paddlefiche doke aanee rostrum heey ampulane daat bharale hote, jeey soochit karate qee electroreception vadhavane heey rostrumchya prathamik karyanpaiki eka hote.
ghat aanee namshesh hone.
pivalya nadichya khonyatiilaw chiinii paddlefishchi shevatchi nond aanee tyachya nadimukhatil nondi 1960 chya dashkatil aahet, jaree 13vya aanee 19vya shatkadarmyan ghat disun aalee. yangtze khonyatiilaw tyachya prathamik shreneet ghat lakshaniy hotee, parantu 1970 chya dashkaparyant 25 tunn varshik satha suru rahila. 1983 madhye, chiinii sarkarne yaa prajatichya sankhyet ghat jhalyamule masemari bekaydeshir kelee. 1980 chya dashakat hii prajati ajunahi qamee sankhyene aadhalat hotee (udaharanarth, 1985 madhye 32 pakadale gele), aanee alikadech 1995 madhye lahan disu lagale. jevha teey dhokyat asalyache lakshat aale tevha mashanchya durmilatemule aanee praudh mashanna bandivasat thevane katheen hote yaa vastusthitimule, bandiband prajnan satha tayar karnyache prayatna ayashasvi jhaale.
2000 pasoon, yangtze khonyatiilaw keval done jiwant maase aadhalun aale aahet, tyapaiki pahili 2002 madhye nanjing yethe pakadali geleli eka stree aanee dusari aaa, 24 janewari 2003 roji sichuan yetheel yibin yethe machchimar lioo longhua yane chukun pakadali geleli eka stree; pahila vachavanyacha prayatna karoonahi mrutyu pavala aanee dusra redio-tagg karoon sodanyat aala, parantu keval 12 tasannantar tagg kaam karane bund jhaale.
yangtze khonyat 2006-2008 pasoon kelelya shodhadarmyan, jingzou yetheel chiinii matsyavyavasay vidnyan akadameeteel eka sanshodhan pathak konatehi paddlefish pakadanyat ayashasvi tharale, parantu done sambhavya namune hydrocostic sanketansah nondavale gele. yangtze nadee matsyapalan sanshodhan sansthechya shastradnyansah 2019 madhye prakashit jhalelya eka sarvasamaveshak abhyasat asey aadhalun aale qee 2017 aanee 2018 darmyan yangtzechya vyapak capture sarvekshanatun tyachya anupasthitichya aadhare hii prajati nishchitach namshesh jhaali hotee. peparne assa andaj vartavala qee 2005 aanee 2010 darmyan hii prajati namshesh jhaali aanee 1993 paryant karyatmakaritya namshesh jhaali. tyachya namshesh honyache prathamik kaaran atimasti aanee yangtzechya bajoone dharane bandhane heey hote. talanyapasun (jeey paramparik masemari paddhatinni sahaj pakadale gele hote) praudhanparyantchya vadhichya serve tappyanmadhye paddlefish mothya pramanat jaast pramanat pakadale gele hote, jeey tyachya santh paripakvatamule dirgh pidhichya velesah ektrit jhaale jyamule vyavharya loksankhyechi tikaupana qamee jhaali. dharanache bandhkam, visheshtah 1981 madhye karyanvit jhalele gezoba dharan aanee teen dyaa asalelya dharanane jaminila vedha ghatala aanee loksankhyeche vibhajan kele aanee prajnan sthalantar rokhale. asha prakare yaa peparne aay. yuu. see. aine. dware namshesh jhalelya prajatinche punarvargikaran karanyachi shifaras kelee. aay. yuu. see. aine. chya prajati bachav aayogachya sturgeon tadnya gatane september 2019 madhye dekhil ashich shifaras kelee hotee.
julai 2022 madhye yaa prajatichi adhikrut aay. yuu. see. aine. sthitee aupcharikpane 'namshesh' karnyat aalee.