alaan longhurst

alaan rees longhurst (janm 5 march 1925) haah british-janmalela canadian samudrashastradnya aahe, jyane longhurst-hardy plankton recordercha shodh lavala aanee tyachya asankhya monographs, visheshtah "samudracha paryavaraniy bhoogol" yasah prathamik vaidnyanik sahityatil tyachya yogdanasathi too vyapakpane olakhala jaato. tyanni eka prayatnache netrutva kele jyane upgrah pratimancha vapar karoon mahasagaranmadhil jaagtik prathamik utpadanacha pahila andaj tayar keela aanee jaivik pampadvare planktonic parisansthetun ubhya carbon pravahache praman dekhil nishchit kele. agadi alikade, tyanni matsyapalan vyavasthapan vidnyan aanee hawaman badal vidnyanachya anek pailunche anek gambhir punaravalokne sadar kelee aahet.
prarambhik jeevan aanee shikshan.
allon longhurstcha janm englandmadhil plymouth yethe jhaala, too eka naudal dantchikitsakacha mulga hota. tyanni british sainyat chaar varshe ghalavali aanee yuddhachya shevati (1945) royal miiliitary akadami sandhurstmadhun padvi prapt kelee. tyanantar too austriyachya mitrarashtranchya tabyat bhag ghenyasathi gela, aanee purv africi sainyasah somalia aanee abisiniyamadhye gela.
yuddhanantar, teey kitakshastratil padvisathi londonla paratale aanee nantar london vidyapithachya (ingland) bedford mahavidhyalayat pranishastrat doctoratechi padvi (1952) ghetali, jee notostraca yaa jiwant jivashma, tajya panyachya crustatianscha eka lahan gut aahe.
karkird.
tyachya karkirdichya suruvatichya kalat, longhurstney freetown, siera leone yetheel paschim africi matsyapalan sanshodhan sanstha aanee nayajeriyatil lagos yetheel federal fisheries service yethe sevedarmyan ginichya aakhatachya (1954-1963) khandiy shelfvaril benthic samudayanchya aanee demersal mashanchya paryavaranacha abhyas keela. yaa suruvatichya kalachya madhyat, tyane newzealandchya matsyavyavasay vibhagat wellingtonmadhye eka varshapeksha qamee kaal nokri ghetali aanee snappersmadheel vanshik farkanvar kaam kele. tyanantar, tyanni purv prashant mahasagar (1963-1971), barents samudra (1973), purv canadian arctic (1983-1989) aanee vayavya atlantic mahasagar (1978-1994) yaa pelagic parisansthanmadhun poshak rachana aanee urjechya pravahavar laksh kendrit kele. tyanni 1960 chya dashakat aantarrashtriy easteropac mohimanche samanvay kele aanee californiatil laa jolah (1967-1971) yetheel us national mareen fisheries sarvhisachya nairutya matsya vidnyan kendrache teey pahile sanchalak hote. 1971 madhye englandla paratalyanantar tyanni plymouth yetheel sagari paryavaran sanshodhan sanstheche upasanchalak mhanoon padd sweekarle. nantar, canadamadhye, teey bedford institute auph oceanography, nova skotiya (1977-1979) yethe sagari paryavaran prayogshaleche sanchalak hote. tyanchi antim prashasakeey niyukti tyaa sanstheche mahasanchalak (1980-1986) hote. tyanantar tyanni matsyapalan aanee mahasagar vibhagachya (canada sarkar) rashtriy mukhyalayatil vidnyan sahayyak upmantriche padd nakarle aanee sanshodhan shastradnya mhanoon 'pithavar parat jaanyachya' bajoone kaul deela.
longhurstney 80 hoon adhik sanshodhan lekh prakashit kele aahet aanee tyanchi sarvat alikadil pustake mhanje 'samudrache paryavaraniy bhoogol' (pahili aavrutti 1998, dusari aavrutti 2007) aanee 'sagari matsyapalanache gairvyavasthapan' (2010). tyanni vaiyaktik drushtikonatun 'hawaman vidnyanatil shanka aanee nishchitata' yavarhi lihile aahe. 1995 madhye nivruttinantar nivrutt jhalyavar, tyanni aanee tyanchi patni francoisene francechya caserc yethe gallery laal 'akadi hii samkalin kalechi naa-napha gallery ughadali aanee chalavali.
puraskar.
1988 madhye longhurst canadachya royal societycha sadasya mhanoon nivadala gela. 1991 madhye, canadachya samudrashastrachya vikasatil tyanchya sanchit prabhavabaddal canadachya sarvajanik sevechya vyavsayik sansthene tyanna suvarnapadak pradan kele. 1997 madhye tyanna 'aaa' puraskar midala.see. sagari khadya jaale aanee jaivbhugol yaa abhyasatil satatyapurn utkrushtatechya sanmanarth aanee aantarrashtriy sahkaryachya vikasatil aanee jaagtik prasiddha sagari karyakramanchya prashasanatil utkrusht netrutvachya sanmanarth' limnology aanee samudrashastra vidnyan sanghatanekadun 'redfield lifetime achievement puraskar'.
samudracha paryavaraniy bhoogol.
"samudrache paryavaraniy bhoogol" heey paryavaranshastradnyansath jaagtik mahasagarachya pradeshik bhoogolavaril pustak aahe. longhurstnussar, pradeshik parisansthanchi vaishishtye tayar karnyasathi pradeshik samudrashastriy prakriya sarvoch aahet. yaa pustakacha eka madhyavarti yuktivad assa aahe qee mahasagarachya parisansthanchya avkashiy seema, pratyek prajatichya vitarnaaivaji mahasagarachya bhautik parisancharanachya vaishishtyanchya sandarbhadvare nishchit kelya jaau shakatat.
jaivik samudraspatichya jaagtik sanghatanesathi yaa drushtikonache mool pelagic utpadan aanee vaparachya hangami chakransathi eka prakarshastra tayar karane aahe. sthanik mishran aanee prakashamule saktichya phytoplankton vadhichya preranasathi suprasiddha sweardrup critical depth sankalpana haah prathamik utpadanachya hangami utkrantisathi prarambhik bindu aahe aanee haah pradeshik samudrashastrashi khoop sambandhit aahe. tathapi, phytoplankton biomassche sanchay kinwa nuksan duyyam prakriyandvare prabhavit hote, jase qee fulanyachya suruvatila shakahari lokanchya aakaratil farak. sagarachya serve bhaganmadhye sweardrup modelcha vistar karnyasathi, plankton chakranche eka prakar aavashyak aahe jeey photic zoan poshak tattvanchya hangami recharges jordar hangami pradeshanpasun kamkuvat hangami pradeshanparyant, jethe photic zonche poshak tatvanche nutanikaran santh kinwa prasangik aahe aanee jethe utpadakta mothya pramanat antargat poshak punarutpadanadware prerit hote, tyaa nirantarateche varnan karate. yaa satatyamadhye, phytoplankton aanee zooplankton paryavaraniy rachana aanee karye yanchi vaishishtyapurn vaishishtye pradarshit karatat jee pranaligat vartanacha parinam mhanoon udbhavtat.
yaa sanghatanatmak yojaneche jaagtik mahasagarachya tarksangat vibhajanat sampoorn pradarshan heey anek babatint eka mahattvache paul hote. thodakyat, haah paryavaraniy bhoogol pelagic paryavaranshastra aanee jaivbhugolachya moolbhut samasyankade laksh deto, jeey sambhavyatechya kahee staravar, konatyahi pradeshachya vaishishtyapurn vaishishtyambaddal kapat kelee jaau shakate qee nahee heey spasht karate. yethe, pradeshachi vyakhya mahattvachi aahe kaaran tee jaivik samudrasapatiche praman nishchit karate. hangami plankton chakranche prakarshastra pradeshik samudrashastrachya sandarbhat thevun, paryavaranachi vaishishtyapurn vaishishtye done shrenibaddha pramananvar olakhali jaau shakatat. uchch staravar mothya dabyanchi (biome) sankhya qamee asate aanee khalchya staravar mothya sankhyene lahan dabyancha (prant) samavesh asato, pratyek dabyala eka adviteey chaar-akshari code asato.
jaiv-bhurasayanik kshetra aanee prantanmadhye vibhagalelya upgrah radiometerchya mahiticha vapar karoon jaagtik prathamik utpadanacha andaj lavoon samudrachya paryavaraniy bhoogolasathi sankalpanecha prarambhik purava pradarshit karnyat aala. heey prabhavshali kaam 1995 madhye saha-lekhak shubha satyendranath, traver plat aanee carla caverhill yanchyasobat prakashit jhaale aanee plankton research jarnalmadhye sarvat jaast uddhrut kelela pepper mhanoon ubha aahe. parenthetikdrushtya, 1979 madhye prakashit jhalelya yaa niyatkalikachya pahilya khandachya pahilya ankatil pahila pepper dekhil longhurstney lihila hota.
samudrachya paryavaraniy bhoogol (1998) chee pahili aavrutti keval planktonic parisanstheshi sambandhit hotee. nisarg, vidnyan, limnology aanee samudrashastra aanee paryavaran aanee utkrantitil cull yaa vishayanmadhye tyacha aadhava ghenyat aala. aala aavruttimadhye (2007) khandiy shelfswar aanee plankton aanee mothya pelagic jivanmadhye jivanmadhye benthic aanee pelagic prakriyanmadhil majboot jodanicha vichar samavisht hota.

