
bayoo darter

persiday kudumbatthile perchukal, rafukal, paikkeperchukal ennivayum adangiyirikkunna ethiostomaattine enna upakudumbathil ninnulla oru darter beyo darter (ethiostoma rabram) oru apoorva inam shudhajala reey-find malsyamaanu. ithu american aikyanaadukalile padinjaaran mississippiyil thaddesheeyamaanu, avide ithu bayoo piyarilum athinte poshakanadikalilum maathrame kaanappedunnulloo. athivegam ozhukunna aruvikalum aruvikalum, refilukalilum uracha charal adithattukalulla refilukalkkidayilulla pradesangalumaanu ithinte saadhaarana aavaasavyavastha. ithu cheria praanikaleyum avayude larvakaleyum bhakshikkunnu. varshathil randuthavana, vasanthakaalathum venalkkaalathinte avasaanathilum, prajananam nadakkunnundaakaam. anuyojyamaaya aavaasavyavastha nashtappettathinaal eee malsyathinte ennam kurayunnu. manninteyum malineekaranathinteyum, prathyekichu bhooviniyogathile mattangal moolamundaakunna mannolippinteyum falamaanithu. internaashanal union phoor kansarveshan oof nechar athinte samrakshana nilaye "vamshanaashabheeshani" yaayi vilayiruthi.
vivaranam.
eee inathinu tl neelatthil ethaan kazhiyum.
vitharanavum aavaasavyavasthayum.
mississippi nadiyude poshakanadiyaaya bayoo piyarinte drainage pradeshathaanu bayoo darter sthithicheyyunnathu. vaitt ookku creak, phosttar creak, turkey creak ennivayulppede bayoo piyarilekku ozhukunna niravadhi poshakanadikalil eee malsyam kaanapedunnu. athinte thaddesheeya aruvikalude athivegam ozhukunna aazham kuranja pradesangalilaanu ithu vasikkunnath. uracha charal substrateukalulla pradeshangalile refilukalilum refilukalkkidayilulla vellathilum ithu kaanapedunnu. bandhapetta malsya enangalil braitt aii darter ("ethiostoma linsium"), lestt madtom ("notooras hildebrandy"), blundface shiner ("cyprinella kamura"), redspot darter ("ethiostoma artesia") enniva ulppedunnu.
perumaattam.
epril muthal meyy vareyum chilappol august vareyumaanu muttayidal nadakkunnathu. penpakshi 75 muttakal vare idunnu, orupakshe muttayidunna seasonil kuranjathu randuthavanayenkilum muttayidunnu. malsyam ekadesham 3 varsham jeevikkunnu, aann malsyam sharashari penn malsyathekkaal alpam kooduthal kaalam jeevikkunnu. eee inathinu janithaka vaividhyam kuravaanu.
cadisflykal, blackflies, midjukal, mayflykal ennivayulppedeyulla praanikaleyum avayude larvakaleyum bayoo darter bhakshikkunnu. muttayidunnathilekku nayikkunna samayat ithu athinte bhakshana upabhogam vardhippikkunnu.
padavi.
manushyar athinte aavaasavyavasthayil varuthunna maattamaan eee jeevivargathinu pradhana bheeshani. baio piyaril nilavil kanatha mannolipp anubhavappedunnu, prathyekichu thala vettal, ithil mannolipp thiramaalakalil mukalilekku neengunnu. aduthulla vellapokka samathalangalile channeling, dredging, khananam enniva chila maattangalkk kaaranamaakunnu. eee prakriyakal avashishtangalude vardhanavinu kaaranamaakunnu. petroleum paryavekshanam eee pradeshathe baadhichu. krishi, prathyekichu sylviculture, eee pradeshathe baadhikkunnath nadeethada aavaasavyavasthaye nasippikkukayum mannolippinu kaaranamaakukayum avashishtangal vardhikkukayum cheiyunnu. eee prakriya malsyam ulkkollunna refilukal nasippikkukayum mattevideyengilum puthiya refilukal srishtikkukayum malsyangalude ennam neengaan kaaranamaakukayum cheiyunnu. valangalum kalanaashinikalum vellathil praveshikkaam. eee gadakangalude anantharafalamaayi, baio darterine vamshanaashabheeshani neridunnathaayi iucn pattikappedutthukayum malsyatheyum athinte aavaasavyavasthayeyum samrakshikkunnathinu kooduthal aavaasavyavasthayum janasamkhyaa nireekshana paripaadikalum ettedukkanamennu karuthukayum cheiyunnu.

