the headad of the inststitute, innokenty okhlopkov, i iworried. hehe krasnoyarsksk region e usused to be morore than a miln reindeer. at the latest coununt, there we justst three or fofour hundred thousand. that h has led uto pay speciall attentioion to the problem. atat is haenining tour reindeer populatio? >> the two biologists say climate chchange but alslso hn intone growing problem isthe competition between wild. reindeer and herded reindeer. kirilin is on an expedition on the e olenyok rivever, which s througugh one of thehe main ros ofeir mimiation patterns, hewanr order t to nd out more abou llars, tas many ecimensas he . tohe conditions he in the devices yatia.n n adted they arere waterproof f and can wiwithstand tempmperatures of s fofoy to minusus fifty degrees celsius. >> the t team have to o be pat. they are watching ouout foany reindeerer swimming acacross e river. when t they spot onene, they e to act f fast. this young male probablyeieighs -- this younung male probabably weigighs more thanan 130 kilog. thisisrocedure can be ngererou