Wirth, R.

foraging trail colony forest leaf sources plant system number leaf-cutting wirth foraging trails source ecology cephalote species pioneer leaf-cutting ants pattern patch figure resource fractal trail systems observation distribution trunk trails host plants activity study farji-brener sexden fractal dimension space coimbra forest complexity foraging distance colombica month silva dimension atta colonies trail maps foraging sites foraging trail systems trunk brazil pioneer trees foraging activity vasconcelo period home range result atta colombica atlantic range 12- month period 1.0 season strategy cherrett human-modi fied landscapes environment spatiotemporal analysis df index response fractal analysis meyer attribute wirth r point atlantic forest observation day distance 1.2 scale leal ir foraging patterns abundance forest patches