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
Semisi Sika and 2017. Semisi Sika Semisi Kioa Lafu Sika is a Tongan politician and Member of the Tongan Parliament. He is a member of the Democratic Party of the Friendly Islands. Sika is a businessman who runs a takeaway shop and catering firm. He is a lonstanding supporter of the democratic movement in Tonga. In 2007 he was one of three people, including Human Rights and Democracy Movement leader Samuela 'Akilisi Pohiva, prosecuted over his leadership of a protest march in June 2006. Sika was elected to Parliament in the seat of Tongatapu 2 in the 2010 elections. He was re-elected