%0 Journal Article
%9 ACL : Articles dans des revues avec comité de lecture répertoriées par l'AERES
%A Gasc, Amandine
%A Gottesman, B. L.
%A Francomano, D.
%A Jung, J. H.
%A Durham, M.
%A Mateljak, J.
%A Pijanowski, B. C.
%T Soundscapes reveal disturbance impacts: biophonic response to wildfire in the Sonoran Desert Sky Islands
%D 2018
%L fdi:010073674
%G ENG
%J Landscape Ecology
%@ 0921-2973
%K Soundscape ; Disturbance ; Wildfire ; Conservation biology ; Remote sensing ; Sonic timelapse
%K ETATS UNIS ; ARIZONA
%M ISI:000439347700012
%N 8
%P 1399-1415
%R 10.1007/s10980-018-0675-3
%U https://www.documentation.ird.fr/hor/fdi:010073674
%> https://www.documentation.ird.fr/intranet/publi/2018/08/010073674.pdf
%V 33
%W Horizon (IRD)
%X While remote sensing imagery is effective for quantifying land cover changes across large areas, its utility for directly assessing the response of animals to disturbance is limited. Soundscapes approaches-the recording and analysis of sounds in a landscape-could address this shortcoming. In 2011, a massive wildfire named "the Horseshoe 2 Burn" occurred in the Chiricahua National Monument, Arizona, USA. We evaluated the impact of this wildfire on acoustic activity of animal communities. In 2013, soundscape recordings were collected over 9 months in 12 burned and 12 non-burned sites in four ecological systems. The seasonal and diel biological acoustic activity were described using the "Bioacoustic Index", a detailed aural analysis of sound sources, and a new tool called "Sonic Timelapse Builder" (STLB). Seasonal biophony phenology showed a diurnal peak in June and a nocturnal peak in October in all ecological systems. On June mornings, acoustic activity was lower at burned than at non-burned sites in three of four ecological systems, due to a decreased abundance of cicadas directly impacted by the death of trees. Aural analyses revealed that 55% of recordings from non-burned sites contained insect sounds compared to 18% from burned sites. On October nights, orthopteran activity was more prevalent at some burned sites, possibly due to post-fire emergence of herbaceous. Soundscape approaches can help address long-term conservation issues involving the responses of animal communities to wildfire. Acoustic methods can serve as a valuable complement to remote sensing for disturbance-based landscape management.
%$ 082 ; 126