Tree With Peeling Bark
Sometimes, you may observe some peeling barks existing on your tree. You do not need to worry about it since some tree species have this feature with peeling barks as a normal shedding process. You should consult some tree professionals for some advices. Also, the shredded barks may be caused by some environmental stress or some diseases or infections. You should get adequate knowledge before taking any actions on it.
The only sign showing that the peeling bark is a normal shedding process is that the new barks will cover the areas where the old barks has gone. The usual bark shedding often happens during the growing process of a tree. The old bark cannot hold the ever-growing trunk and will fall off and be replaced by new ones. Sometimes, this process is pretty slow, and you cannot even notice this. Some tree species have some obvious phenomenon such as peeling barks which you can observe. You do not need to worry about it because this is absolutely normal for the tree. Some examples of these trees include Birch, Sycamore, Silver maple and Scotch pine trees.
Sometimes, the bark shedding is caused by some environmental stress such as frosting or over amount of sunlight. If you observe some bare wood without any bark, you should pay attention to some environmental factors which may cause this. Over amount of loss of barks will cause severe health problems on trees. Also, some diseases may also cause the barks to fall off. Usually trees are likely to be infected by fungal diseases called cankers. Some fungicide can be used to control the spreading of fungus.
Image provided By Rockwurm (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons