
petra demer

1970 kalude pakuthi muthal samudra sasthanikalude, prathyekichu setteshiyansinte padanatthilum samrakshanathilum sajeevamaayi earppettirikkunna oru jarmman maraine biologistum prakrithi samrakshana vidagdhayumaanu petra demer (jananam march 9,1948, gottinganil).
currier.
hamberg sarvakalashaalayil ninnu beeja thimingalangalil prathyeka shradha kendreekarichu demer maraine biologyil phd nedi. 1970kalude avasaanathil beejatthinte thimingalangal ulppede niravadhi timingala enangal vamshanaashabheeshani neridukayaayirunnu. deemarinte pravartthanangalude falamaayi, madaira dveepasamoohathe samudra sasthanikalude samrakshana mekhalayaayi prakhyaapichu, 1981 ll madairaykk chuttumulla vaanijya timingala vetta avasaanichu. koodaathe, 1982 joolaiyil vaanijya timingala vetta nirodhikkanulla anthaaraashtra timingala kammeeshante (aii. dablyu. sii) theerumaanathinu demer ganyamaaya sambhavana nalki. 1983 ll demer mink thimingalangalude vyapaaravum nirodhichuvennu urappakki.
sosaitti phoor dhaa kansarveshan oof maraine sasthanikalude (geselshaft sum shoots derr meerassugettiyer-jii. ezz. emm) sthaapakanum prasidantumaanu demer. anthaaraashtra timingala vetta kammeeshante (aii. dablyu. sii) shaasthra samithiyile amgavum jarmman sarkkaarinte speeshees kansarveshan advisory kammittiyile amgavum mrugakshemathinaayulla anthaaraashtra fundinte (aii. eph. oo) upadeshtaavumaanu avar. 2001ll netherlandsile rajakumaran bernhard prakrithi samrakshanathinulla suvarnna pedakam deemarinu nalki aadarichu.
demer aarr pusthakangalum thimingalangal, dolphinukal, mudrakal ennivayekkurichum paristhithi samrakshanathekkurichum niravadhi lekhanangalum ezhuthiyittundu. thathakalekkurichu avar oru pusthakavum ezhuthiyittundu.