Sika deer lupus hodophilax"), over a century ago. Without its main enemy, the population of sika exploded and it is now overpopulated in many areas, posing a threat to both forests and farmlands. Efforts are now being made to control its population instead of conserving it. None of its subspecies is endangered except the Kerama deer ("C. n. keramae") in the tiny Kerama Islands. In 2015, Japanese Ministry of the Environment estimated the population at 3,080,000 in Japan, including Hokkaido. China used to have the largest population of sika, but thousands of years of hunting and habitat loss have reduced the population
Sika AG (2016). Besides the brand Sika, more than 600 product brands are in use including Sikaflex, SikaTack, Sika ViscoCrete, SikaBond, Sikafloor, Sika CarboDur Sikagard, Sika MaxTack, Sikaplan, Sikament, Sikadur, SikaLastic, SikaRoof MTC, Sika Unitherm and Sika Sarnafil. Sika AG is the legal entity for the holding company, which includes the Sika organisations worldwide, Sika Technology AG (Research and Development) and Sika Services AG (Corporate functions supporting all organizations worldwide). Sika AG Sika AG is a specialty chemical company for building and motor vehicle supplies, headquartered in Baar, Switzerland. It has a leading market position in both the building sector and the