Given the task definition, example input & output, solve the new input case.
In this task you are given a Chinese paragraph related to a criminal case, your job is to give an answer of what the criminal charge is. Take note a) if there are multiple charges only one needs to be outputted b) the criminal charge should be in Chinese. 
Example: 昌宁县人民检察院指控，2014年4月19日下午16时许，被告人段某驾拖车经过鸡飞乡澡塘街子，时逢堵车，段某将车停在“冰凉一夏”冷饮店门口，被害人王某的侄子王2某示意段某靠边未果，后上前敲打车门让段某离开，段某遂驾车离开，但对此心生怨愤。同年4月21日22时许，被告人段某酒后与其妻子王1某一起准备回家，走到鸡飞乡澡塘街富达通讯手机店门口时停下，段某进入手机店内对被害人王某进行吼骂，紧接着从手机店出来拿得一个石头又冲进手机店内朝王某头部打去，致王某右额部粉碎性骨折、右眼眶骨骨折。经鉴定，被害人王某此次损伤程度为轻伤一级。
Output: 故意伤害
The phrase 'hit Wang on the head' implies that the criminal charge is assault/battery.

New input case for you: 公诉机关指控，被告人周某某以种植橡胶为目的，在未办理林木采伐许可手续的情况下，于2013年2月份，擅自砍伐位于景谷县益智乡石寨村民委员会石寨村民小组牛屎河造林地头集体林地的林木。经技术鉴定，周某某采伐的林木活立木蓄积为49.559立方米。被告人周某某的行为触犯《中华人民共和国刑法》××××之规定，构成××罪，提请本院对其依法判处。
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
滥伐林木