Biblio
“Recovering aspen follow changing elk dynamics in Yellowstone: evidence of a trophic cascade?”, Ecology, vol. 96, no. 1, pp. 252 - 263, 2015.
, “After long-term decline, are aspen recovering in northern Yellowstone?”, Forest Ecology and Management, vol. 329, pp. 108 - 117, 2014.
,