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
Odelia Sika-Ntiamoah Boampong training in investigative journalism. She is also a board member of the institutional review board for the Center for Scientific and Industrial Research (CSIR Ghana). Passionate about people breaking out of poverty and empowering women economically, she has created the ONfoundation for this purpose. She runs several businesses with her husband, Prince Sika-Ntiamoah Boampong, under the SNB group. She was recently invited by the World Bank as one of 20 young entrepreneurs who can help change growing youth unemployment on the continent. She is a Christian (Ordained Pastor of Victory Bible Church International) and a mother to Ayeyi Sika-Ntiamoah Boampong.