There are some very obvious reasons to remove a tree, for example, the tree has fallen or the you would like to make structural changes to your property and the tree is just in the way of doing that. For the good, environmentally conscious people out there, removing a tree is always a hard choice, especially if and when it can be avoided. But sometimes, there is no other option but to remove tree. If a tree is infected with pests and fails to rejuvenate even after spraying it with copious amounts of insecticides, there is a grave risk one would be putting the whole of the garden in, if that bad apple, figuratively speaking, is not removed at once. There is a risk of spreading of the virus and the rest of the trees and the plants of the lawn or the park may also fall victim to the same ailment. It is always wise to make a hard decision of cutting down one tree to protect the whole garden. Go here for more information about tree removal.
Similarly, there are trees that are simply too huge for their location. An oak tree in the middle of the lawn or the park would hinder the sunlight to reach to the smaller, equally important, plants and trees. Due to the absence of adequate sunlight, the essential process of photosynthesis through which plants make their food would stop. One can easily observe the grass going brown and the plants withering away in the shadow of a huge tree. Under these circumstances also, one might look into the real possibility of removing the bad fish and protecting the litter.
Another similar predicament exists when the trees are planted too close to each other. We all know that the roots of the large trees can spread to several meters in search of nutrients vital for their survival. When the trees are too closely placed together, more often than not, the available nutrients prove to be insufficient for either of them and they all start to decay in the absence of the food requirements not being met.
For all these above mentioned reasons, it may be prudent to plan the garden such that it is in the interest of all its green inhabitants. No one tree may be allowed to grow incessantly so that it devour the smaller, more vulnerable plants and trees in its vicinity. There are professional companies that provide tree services Sydney in addition to giving valuable suggestions on how to plan and possibly expand your yard. Before deciding upon cutting a tree down, it may be worth your time to look into all the other possible solutions, like the proper fertilization and spray, if required or just plan beforehand on space when you know that a certain species of tree would take a specific space for its growth.