And books too, what a fire hazard indeed, and a menace to the tree population.

Adequate tree population in the village keeps the surrounding area and air pollution free.

The scattered tree populations offer mammals places to disperse and survive.

But he said it was not a good idea to plant one variety since disease could wipe out a tree population.

Before its destruction, the chestnut made up around 40 percent of the state's tree population, he said.

Dutch elm disease then decimated the tree population, leaving a wide open landscape.

Guano mining almost completely destroyed the tree population, with only eight of the original trees surviving.

This stems from its civic policy to provide a diverse tree population in streets and lanes.

Coconut trees form a large minority of the tree population in the city.

However, the process of restoring the ash tree population across Europe with resistant trees is likely to take decades.