fire kills or severely damages "g. microcephala", allowing controlled burns to be used in the management of its populations. burns must be done carefully, as "g. microcephala" may recolonize burned sites if moisture conditions and competition is favorable, giving mixed success for prescribed burns. burns can be limited by insufficient amounts fine fuel; if there is enough fine fuel, burns are generally effective if fuel moisture and relative humidity are low, the air temperature is between , and there is a gentle breeze.