senesio cadiscus

aastaresee kudumbatthile jalasasyangalude oru inamaanu senesio cadiscus. ithu dakshinaafrikkayile padinjaaran keppil thaddesheeyamaanu, avide ithu vernal kulangalil valarunnu. oru kaalath ithine "cadiscus aquaticus" ennu tharamthirichirunnuvenkilum monotypic janussaaya "cadiscus" leeii eaka inam aanenkilum molecular phylogenetic vishakalanam kaanikkunnath ithu "senesio" yill koodundaakkiyathaanennu. cheria idungiya elakalum velutha kiranangalulla pookkalumulla oru ozhukunna allengil uyarnnuvarunna chediyaanithu. athinte janasamkhya cheruthum vighadichathumaanu, athu kurayukayaanu. kannukaalikal meikkukayum chavittukayum cheiyunnathum, aakramanathmaka sasyangal, thanneerthadangalude punarudhaaranavum valam ozhukunnathil ninnulla eutrofication eee chediye bheeshanippeduthunnu. internaashanal union phoor kansarveshan oof nechar ithine "gurutharamaaya vamshanaashabheeshani neridunna" ennu vilayiruthiyittundu.
vargeekaranam.
monotypic janussaaya cadiscusile eaka inamaaya cadiscus aquaticus ennaanu eee chedi ariyappettirunnath, molecular phylogenetic vishakalanangal soochippikkunnathu vare ithu senesiyoyude enangalil vyakthamaayi koodundaakkiyathaanennu soochippikkunnu. athu avidekku maattukayum punarnaamakaranam cheyyukayum cheythu. 2009-ll cadiscus. chila adhikaarikal ippozhum athinte muun peru amgeekarikkunnu.
vivaranam.
kulangalil valarunna oru jalasasyamaanith. ithu pongikkidakkunnatho uyarnnuvarunnatho chilappol pool arikukalil bhoumaparamo aanu. cheruppakkaaraaya chedikal vellathinadiyilaanu. august, septambar maasangalilaan pookkal undaakunnath.
eee chedikku idungiyathum pongikkidakkunnathumaaya elakalum velutha kirana pookkalum undu. parukkan bristtilukalum nanayumbol ottikkunnathum melinjathumaaya cheria mudikalum ulla oru saipselayaanu eee pazham. mrgashaalakalumaayi poruthappedunna ivayil mrugangal vithukal chitharikkunnu, orupakshe jalapakshikal.
padavi.
eee chedi vernal pool aavaasavyavasthayil parimithappedutthiyirikku. ithu chila pradeshangalil ninnu ariyappedunnu, aduthide mattu chilathil ninnu ithu illaathaayi. prathyakshatthil labhyamaya ellah vernal kulangalilum ithu sambhavikkunnilla, koodaathe eluppathil chitharaanulla kazhivum ithinu illaayirikkaam. kazhinja 100 varshathinide janasamkhya 70 sathamaanathiladhikam kuranjuvennum idivu thudarukayaanennum karuthappedunnu. kannukaalikalum kuthirakalum meikkukayum chavittukayum cheyyuka, thanneerthadangalude punarudhaarana pravartthanangal, bhoomiyile kanatha yanthrangalude upayogam, kannukaalikalude theetta eee pradeshathu upekshikkumbol avatharippikkunna aakramanathmaka inam pullukal, valam ozhukunnathil ninnulla eutrofication enniva chediykkum athinte vernal pool aavaasavyavasthaykkum bheeshanikalaanu.
paraamarshangal.
 

