Forest resource managers generally aim to maintain a resource population at the level where
a) delivers the maximum sustainable timber yieldb) best protects habitatc) best protects predatorsd) has stabilized at the carrying capacitye) is just above the level it needs to be at to prevent dieback of the population

Option A

Explanation:

Forest resources managers generally aim to maintain the resources population at the level where it delivers the maximum sustainable timber yield.

The forest resources provides different types of resources like woods, timber, fruits, vegetables and many therapeutic plants and trees.

The more sustainable place is generally where there is high yield of timber from the forests.

correct answer is a. and d.