
thaadiyulla mudra

square flipper seal ennum ariyappedunna thaadi seal (erignathus baarbattas) artic samudrathilum athinaduthum kaanapedunna oru idatharam valippamulla pinnippaan. kanatha thaadiyelline soochippikkunna rund greak padangalil ("erii", "gnathos") ninnaan ithinu pothuvaaya peru labhichathu. athinte linnian perinte mattoru bhagam thaadi ennaanu ardhamaakkunnathu, athinte ettavum savisheshamaaya savisheshathayaaya prakadavum valare samriddhavumaaya meesaye soochippikkunnu. unangumbol, eee meesha valare manoharamaayi churungunnu, ithu thaadiyulla seelinu oru "rafish" roopam nalkunnu.
thaadiyulla mudrakalaanu ettavum valia vadakkan phoosid. penthumbikal ettavum valuth pole thookkamullavayaanennu kandethiyittundu. ennirunnaalum, aann thaadiyulla mudrakalum penn thaadiyulla mudrakalum valare dviroopamalla.
erignathus janussile eaka amgamaaya thaadi mudra oru intermediat aayathinal savisheshamaan. thaadiyulla mudrakal phosiday kudumbatthil pedunnu, athil phosine, monaachine ennee rund upakudumbangalundu. thaadiyulla mudraykku eee rund upakudumbangaludeyum savisheshathakalundu.
2002-ll aadyamaayi vivaricha fossilukal soochippikkunnathu plistoseen kaalaghattatthil thaadiyulla mudrakal thekk carolina vare vyaapichirunnu ennaanu.
vivaranam.
eee cheviyillaatha mudrayude savisheshathakalil chathuraakrithiyilulla phoor flipperukalum athinte mookkil kattiyulla bristalukalum ulppedunnu. muthirnnavarkk chaaraniram-thavitt niravum purakil irunda niravumundu; viralamaayi maathrame purakil kurachu mangiya paadukalo vashangalil irunda paadukalo undaakoo. chilappozhokke mukhavum kazhuthum chuvapp thavitt niramaayirikkum. thaadiyulla seal naaykkuttikal purakilum thalayilum chitharikkidakkunna velutha paadukalulla chaaraniratthilulla thavittuniratthilulla nettal romangalumaayi janikkunnu. thaadiyulla mudra phosine upakudumbathil rund jody teettukal ullathil savisheshamaan, ithu sanyasi mudrakalumaayi pankidunnu.
thaadiyulla mudrakal mookk muthal wall vare neelatthilum bharam vare athunnu. penn mudra aann mudrayekkaal valuthaanu, athaayath avaa laingikamaayi dviroopamaanu.
thaadiyulla mudrakal, valanja mudrakal enniva dhruvakkaradikalude pradhana bhakshana srothassaanu. artic theerathe inyoottinte oru pradhana bhakshya srothass koodiyaanu avaa. mudrayude inyoottu bhaashayilulla peru "ugjuk" (bahuvachanam "ugjuit") allengil "oogrook" allengil "oogrook" ennaanu. inyoottu bhakshanathinum velichathinum vendi mothiramulla mudrayaanu eshtappettathu; maamsam kazhikkukayum blubber "kudlik" (kallu vilakku) kathikkukayum cheyyum. thaadiyulla seelinte tholi saadhaarana seelinekkaal karkkasamaanu, shoos, vippukal, dogg sled harnesukal, oru thadi frame boat, "umiyak" enniva moodunnathinum "tupic" ennariyappedunna venalkkaala koodaarangal nirmmikkunnathinum ithu upayogichirunnu.
thaadiyulla mudrayude shareerathile kozhuppinte alavu ekadesham 25-40% aanu.
vitharanam.
thaadiyulla mudrakal artic, sub artic pradeshangalil nilavilundu. pasaphik mekhalayil, avaa aarttikkile chukki kadal muthal thekk berring kadal vare vyaapichukidakkunnu, avide avaa alascan theerathe bristtol ulkkadal muthal russian theerathe okhotsku kadal vare vyaapichukidakkunnu, ennaal jappaante vadakkan theeram ulppedunnilla. artic samudrathil, russia, norway, canada, alasca ennivayude vadakkan theerangalil norwegian dveepasamoohamaaya swalbard, canadian artic dveepasamooham ennivayulppede iva kaanapedunnu. atlaantik samudrathil, thaadiyulla mudrakal aislaandinte vadakkan theerathu, greenlaandinte kizhakkum padinjaarum theerangalil, kaanadayude pradhana bhoopradeshathu thekk labrador vare kaanapedunnu.
saadhaaranayaayi eee shreni upa-artic pradeshangalilekku maathrame vyaapikkunnulloovenkum thaadiyulla mudrakal jappanilum chainayilum jarmmani, netherlands, yunaittad kingdom, france, spain, porchugal ennividangalil avayude paridhiyude valare thekk bhaagathum kaanapedunnu.
vettayum bhakshanakramavum.
pradhaanamaayum thaadiyulla benthik mudrakal kadaltheerathu kaanapedunna klaam, squid, malsyam ennivayulppede vividatharam cheria irakale bhakshikkunnu. avayude meesha mriduvaaya adibhaagathe avashishtangalil feeldarukalaayi varthikkunnu. muthirnnavar valare aazhathil mungukayilla, aazhamillaatha theerapradeshangale kooduthal aazhathil eshtappedunnilla. ennirunnaalum, oru vayass vare praayamulla naaykkuttikal valare aazhathil diving cheyyum. venalkkaalath nadatthiya oru padanatthil, mudrakal anemonukal, kadal vellarikka, polykite puzhukkal thudangiya akasherukkale bhakshikkunnathayi kandethiyittundu. ithe padanatthil skalpinukalum artic code avarude venalkkaala bhakshanathil bhooribhaagavum ulkkollunnuvennu kandethi. mudrakal upayogikkunna ettavum valia malsyavum sculpin aanennu kandethi. thaadiyulla mudrakalkku avayude benthik iraykku purame pelagic, demersal malsyangale vettayaadaan kazhiyum.
punarulppaadanavum jeevithachakravum.
thaadiyulla mudrakal vasanthakaalath janikkunnu. canaden aarttikkile seal pupping meyy maasathilaanu nadakkunnathu. swalbardil, thaadiyulla mudrakal 5 allengil 6 vayassil laingika pakwata kaivarikkunnu. thekk alaskayil mikka naaykkuttikalum epril avasaanathodeyaanu janikkunnath. aazhamillaatha vellathil cheria aise flocalil, saadhaaranayaayi chuttum thookkamullavayaanu naaykkuttikal janikkunnath. janichu manikkoorukalkk sesham maathrame avar vellathil praveshikkukayum vegathil vidagthanaaya mungal vidagtharaakukayum cheiyunnulloo. ammamar <aii. dii. 1> divasathekku naaykkuttikale paripaalikkunnu, eee samayat naaykkuttikal prathidinam sharashari nirakkil valarunnu. eee samayat, naaykkuttikal oru divasam sharashari paal kazhikkunnu. mulayoottumbozhekkum naaykkuttikal valarnnu.
naaykkuttikale mulayoottunnathinu thottumunbu, oru puthiya inacheral chakram nadakkunnu. mulayoottunna kaalayalavinte avasaanathil penkuttikal andotpaadanam nadathunnu, pakshe aavashyamenkil avare prathirodhikkaan thayyaraya avarude naaykkuttikalumaayi aduthu nilkkunnu. inacheral seasonil, aann mudrakal "paadum", ithu orutharam nilaviliyilo neduveerppilo avasaanikkunna oru neenda varacha warbling nottu purappeduvikkunnu. eee shabdam sthreekale aakarshikkukayo allengil avarude pradesham allengil prajananathinulla sannadhatha prakhyapikkaan purushanmaar upayogikkukayo cheyyaam. oru varsham muthal adutha varsham vare ore pradeshathaanu purushanmaar thaamasikkunnath.
pala artic sasthanikaleyum pole, thaadiyulla mudrakalum kaalathamasam varuthiya implaanteshan ennariyappedunna prathyulpaadana thanthram upayogikkunnu. ithinartham beejasankalanathinu sesham rund maasathekku blaastosist sthaapichittilla, mikkappozhum joolaiyil sthaapikkunnu. athinaal, seelinte motham garbhakaalakhattam ekadesham pathinonnu maasamaanengilum athinte sajeeva garbhakaalakhattam ombathu maasamaan.
thaadiyulla mudrayude swaabhaavika vettakkaaril dhruvakkaradikalum ulppedunnu, avar eee mudrakale oru pradhana bhakshya srotassaayi aasrayikkunnu. kolayali thimingalangalum eee mudrakale irayaakkunnu, chilappol aise floye marichu avayil athunnu. vaalrasukal eee mudrakale, pradhaanamaayum naaykkuttikale bhakshikkunnundenkilum atharam vetta apoorvamaanu.
thaadiyulla mudrakal 31 varsham vare jeevikkunnathaayi vishwasikkappedunnu.
shabdaprayogam.
thaadiyulla mudra uthppaadippikkunna shabdangal valare savisheshamaan, orupakshe avayude shwaasanaalam mattu vadakkan pasaphik phosidukalil ninnu vyathyasthamaayirikkam kaaranam. shwaasanaalathile bhooribhaagam valayangalum apoornnamaanu, rund attatthum oru membran maathrame gadippichittulloo.
thaadiyulla mudrayude shabdangalil saadhaaranayaayi oru minitoo athil kooduthalo neendunilkkunna neenda andolana trill adangiyirikkunnu, thudarnnu hraswavum aazhathilullathumaya nilavili. eee "gaanam" palappozhum aavarthikkunnu. oru janasamkhyaykkullil kooll tharangalude ennam bhoomishaasthraparamaayi vyathyaasappedaam, naalu tharangal swalbardilum pathinonnu padinjaaran canadian artikkilum kaanapedunnu. trillukal, moorcha, sweeppukal ennivayaanu ettavum saadhaaranamaaya shabdangal. oru sweeppine oru cheria trillumaayi thaarathamyam cheyyaam.
thaadiyulla mudrakal march avasaanam muthal juun avasaanam vare vyathyasthamaaya trillukal uthpaadippikkunnu, meyy avasaanathilum juunilum thaalathil kuravundaayi. eee kaalakramam epril muthal meyy vareyulla avarude prajnana, kukkikoodam paruvavumaayi poruthappedunnu. thaadiyulla seal trillukalude aavarthichullathum kaimaattam cheyyaavunnathumaaya swabhaavam avaa aashayavinimayathinayi upayogikkunnundennu vishwasikkaan gaveshakare nayikkunnu, orupakshe pranayavum prajananavum samayat. inacheral pradeshangal sthaapikkaanum avarude shaareerikakshamatha ashayavinimayam nadatthaanum purushanmaar eee shabdangal upayogikkunnu, ennaal sthreekalum eee shabdangal srishtikkaan saadhyathayund.
vellathinadiyil, thaadiyulla seal trillukal 30 kilometeriladhikam akale ninnu kelkkaam, chila tharatthilulla shabdangal mattullavayekkaal kooduthal sanjarikkunnu. ithu oru mrugathinu akaleyulla mattoru mrugavumaayi ashayavinimayam nadatthaan sahayikkunnu, ennirunnaalum shabdam paristhithiyiloode kadannupokumbol shabdakshayam sambhavikkunnu. shabdam 30 kilometer vyaapikkunnathin oru mudra kuranjathu 100 db shabda mardhamullah oru trill 1 meettaril nirmmikkanam, athaayath thaadiyulla mudrakalkku eee thalatthil shabdangal srishtikkaan kazhiyum.
samrakshana nila.
2008 march 28 nuu yuu.ezz. eee inathe saaik keezhil pattikappeduthunnathu nyaayamaano ennu nirnnayikkaan deseeya maraine fisheries sarvees vamshanaashabheeshani neridunna speeshees act (sa) prakaram oru staattas avalokanam aarambhichu. thaadiyulla mudrakalellaam maraine sastani samrakshana niyamaprakaaram samrakshikkappedunnu, koodaathe vamshanaashathekkurichulla "ettavum kuranja aashanka" aayi iucn tharamthirikkunnu. vyapakamaaya vitharanam, sthirathayulla janasamkhyayude valuppam, marimari ira vibhavangal ennivayulppede vividha gadakangal moolamaanu eee vargeekaranam nirnnayikkappettath. thaadiyulla mudrayude samrakshana nilayile eathenkilum maattathe swaadheenikkunna gadakangalil iva ulppedaamennu nova nirnnayichu kalavastha vyathiyaanam moolam kadal aise nashtappeduka, vaanijya malsyabandhana upakaranagalil ninnulla baikach, vettayaadal. avarude pradhana vettakkaaril dhruvakkaradikal ulppedunnu, ennirunnaalum, saadhaaranayaayi 2 vayassinu chuttumulla naaykkuttikale janana kudakalil akramikkukayum prayamaaya kuttikaleyum muthirnavareyum saadhaaranayaayi parikkelppikkaathe vidukayum cheiyunnu. kalavastha vyathiyaanam kaaranam, kadal aise nashtappedunnathum erakalude ennam kurayunnathum bhaviyil thaadiyulla seal janasamkhyayil prathikoola phalangal srishtikkum. athinaal, jeevivargangalude nireekshanavum manushya pravartthanangalude swaadheenavum jeevivargangalude sthiratha urappaakkunnathin pradhaanamaayirikkum.
upajaathikal.
eee mudrayude rund amgeekritha upajaathikalund
eee upajaathikalude saadhuta chodyam cheyyappedukayum ithuvare oru tanmatra daattayum pinthunaykkukayum cheythittillenkilum, mrugangalude kolukalude vishakalanam vyathyastha janasamkhya thammilulla vyathyaasathe soochippikkunnu.
parinaama charithram.
thaadiyulla seal fossilukal plistoseen kaalatthinte aadyakaalam muthal madhyakalam vare pazhakkamullathayi kandethiyittundu. englandu, alasca, sweeden thudangiya vadakkan pradeshangalilum vadakkan kadal, champline kadal ennividangalilum eee aadyakaala fossilukal kandethi.
thaadiyulla mudrakal, ellah yadhaartha mudrakaleyum pole, odariyede, odobenidae ennivaykkoppam pinneppeediyayile moonnu kudumbangalil onnaaya phosiday kudumbatthil pedunnu. 27 muthal 25 dasalaksham varshangalkk munbu oligozene kaalaghattatthinte avasaanathilaanu pinnipedukal uthbhavichathenn karuthappedunnu. pinnipedukalude parinaamathekkurichulla oru sidhaantham pinnipedukal oru defilatic grouppaanu, oottaaridukalum audobenidukalum karadikalumaayi kooduthal adutha bandhamullavayaan, koodaathe phosidukal veeselukal polulla mastalidukalumaayi kooduthal adutha bandhamullavayaan. mattoru sidhaantham soochippikkunnathu pinnipedukal orotta poorvvikanil ninnu uthbhavicha oru monophylatic grouppaanu ennaanu. diphylectic sidhaanthathekkaal phylogenetic vishakalanamaan ithine kooduthal pinthunaykkunnathu. atharam oru patanam soochippikkunnathu phosidukal odaaraidukaludeyum audobenidukaludeyum pothuvaaya poorvvikarude sahodari varggamaan ennaanu.
thaadiyulla mudrakal phosine enna upakudumbathil pedunnu. monaachine enna upakudumbathinu sheshamaan eee upakudumbam parinamichathennu karuthappedunnu. thaadiyulla mudra riban seal allengil hudd seal ennivayumaayi ettavum adutha bandhamullathaanennu badal phylogenical kaanikkunnu. ennirunnaalum, hooded sealukal avayude adutha bandhukkalaanennu tanmatra thelivukal soochippikkunnu.