pakshi econology

pakshi vidnyan aanee jivashmashastratil pakshyanchya jivanachya khuna yancha abhyas haah pakshi vidnyan aahe. asha jivanachya khunanmadhye payanchya khuna, gharate, mull aanee sahprastar yancha samavesh asoo shakato. asha puravyancha abhyas karoon shastradnya pakshyanchya vartanabaddal aanee vividhatebaddal antardrushti midavatat.
ichnophosyl (kinwa ichnites) heey vargikaranatil utkranti aanee pragaitihasik vividhata spasht karnyasathi visheshtah mahatvache aahet. pakshyanchya prajatinchi eka gosht sodoon, heey sahasa ekhadya vishisht jatishi sambandhit asoo shakat naheet, kaaran kvachitach teey jivashma hadanshi sambandhit asatat. parantu tyanchya aakarshastrachya (swaroop) aadhare tyanna ichnotaxamadhye gatbaddh karane shakya aahe. vyavharat, pakshyanche vartan kinwa jaivik aakarshan prakat prakat aakarachya tapashilanna samanyatah iconologic vargikaranat adhik mahatva dile jaate.
pakshi ichnophosyl.
pakshyanchya yaa jivashma khuna kadhikadhi yogyaritya samajavun sangane katheen asate, visheshtah jevha teey mesozoikche asatat jevha pakshyanche dynasorian natevaik ajunahi astitvat hote. andyachya kavchanchya adviteey sanrachanemule kiman neornitheschya gharatyanna olakhane sahasa agadi sope asate; kahee mesozoic andyachya kavchanchya utpattibabat kahee anishchitata aahe, jyamule yaa kalatil gharatyanna samasya nirman hote.
mesozoic jivashmanchya pavalanche gunavishesh sangane sarvat katheen aahe. "proto-burd" aanee sambandhit theropod paay khoop sarkhe hote; ichnogenous "grallator" sarkhya naun-avian theropod trackche shrey suruvatila ratitesna dile gele hote kaaran 19 vya shatkachya suruvatila jevha tyanche varnan kele gele tevha dynasorian vividhatebaddalache dnyan aajchya tulanet kirkol hote, tarr ratites suprasiddha hote. tasech, srushtivadi siddhantantargat, shastradnyancha assa vishvas asel qee eae.jee. riya anantkalapasun astitvat hote. jurassic aanee suruvatichya cretatiusmadhye, kishoravayin naun-avian theropodsne pakshyansarkhe paykhuna sodale. cretatiuschya shevati, botanchya botandarmyan jaali asalyamule jaleey pakshyanche marg sahasa olakhata yetat; kharey tarr, bahutek avian ichnotax yaa gatamadhye yetat. tathapi, tyaa veleparyant vishal uddan naan karnare pakshi dekhil astitvat hote, jyacha purava 'gargantuvis' dware midato; jarr gastornithidae kharokharach enceriformchya jawal hote, tarr toparyant tyanchi vanshaval dekhil vegali asavi. asha pavalanche thase naun-avian theropod kinwa agadi ornithopod dynasorsarkhe asoo shakatat. pahilyanpaiki, ornithomemiforms (= archtometatorsalia "sensu stricto") payansah anek babatint ratiteshee abhisaran karnare hote aanee nantarchya cretatiusmadhil kahee mothya pakshyasarkhya payanchya khuna ornithomiform kinwa rakshas pakshyanpasun aahet qaa heey sangane ashakya aahe, sambandhit hadanchya samgrishivay.
payanchya khuna.
tricykchya uttaradhapasun, pakshyansarkhe theropods astitvat hote yaa pahilya yogya puravyachya aadhi sumare 55 dashalaksh varshe, pakshyansarkhe disanare dastaivajikaran kelele track astitvat aahet. tricykchya uttaradhatil aanee jurasikchya suruvatichya madhyatil ganee ichnogenera "trisoropodiscus" aanee "equatilavips" yanna denyat aalee aahet. aajchya mukhya pravahatil matanusar, pakshyanchi utkranti samanyatah manalya manalya tulanet khoop aadhi jhaali aahe aanee kadachit theropod dynasoremadhun nahee, yaa khuna puravyancha vichar karnyasathi kahee shastradnya itake door jaatil. kharey tarr, asey disate qee yaa atishay pracheen pakshyansarkhya marganchi prarambhik tarikh chukali hotee aanee tyaa tyaa nantarchya kalapasoonchya aahet asey disate jevha aadhunik pakshi hadanchya jivashmanpasun aadhich dnyat hote.
kiman neornitheschya pavalanche thase anek vaishishtyandvare olakhale jaau shakatatah
heey ullekhaneey aahe qee heterodontosauridae heey tyaa thikanahun aanee tyaa kalapasoon olakhale jaatat jevha pakshyansarkhe disanare pahile paulkhuna disu lagale. heey lahan ornithopod dynasore purnapane pakshyansarkhe navhate, tyanchya ornithesian shroni aanee tarsometatorsus vagalata jeey ananciornithesashy jordarpane ekroop hote. jaree kahee tapasheel anuttarit rahile asale taree, "trisoropodiscus" ii. peksha heey adhik vajvi aahe. teey kahee prakarchya pakshyapeksha 'heterodontosaurus' sarkhya pranyane tayar kele hote.
ichnophamily ignotornidae
pakshyanchya andyanche jivashma (uutaksa).
jivashma andyache kavach heey pratyakshat ichnophosyl nasatat. teey ekhadya jivanachya sharirshastrache thet purave jatan karat asatana, tyancha aakar, aakar aanee andyachya kavachanchi rachana heey tyanchya utpattiche paulkhuna peksha adhik majboot sanket detat. samanyatah, jivashma undy jivanchya vishisht gatala spashtapane niyukt kelee jaau shakatat, udaa.jee. chelonians, squamet, dynasore, magri, pectorosure kinwa (aadhunik) pakshi.
tarihi, undy jivashma kvachitach kutumbasathi dekhil olakhata yetat, prajatinsathi ekte sodoon dya. asha prakare, teey uutaksala niyukt kele jaatat, jeey barechase ichnotaxasarkhe asatat parantu parataxonomy eka vegala gut (vetovata) tayar karatat. tathapi, sadhya, pragaitihasik pakshyanna niyukt kelele uutaksa kiman tatpurte yethe soochibaddha aaheth

