@article {Boelman2007MULTITROPHIC, title = {MULTI-TROPHIC INVASION RESISTANCE IN HAWAII: BIOACOUSTICS, FIELD SURVEYS, AND AIRBORNE REMOTE SENSING}, journal = {Ecological Applications}, volume = {17}, number = {8}, year = {2007}, month = {December}, pages = {2137{\textendash}2144}, keywords = {bioacoustics, birds, invasive-species, rs}, issn = {1051-0761}, doi = {10.1890/07-0004.1}, url = {http://dx.doi.org/10.1890/07-0004.1}, author = {Boelman, Natalie T. and Asner, Gregory P. and Hart, Patrick J. and Martin, Roberta E.} }