This special issue of Ecological Informatics, entitled Ecological Acoustics, is a great overview of the applicatoins of acoustic monitoring in consevation and ecological study:

http://www.sciencedirect.com/science/journal/15749541/21/supp/C

Articles include:

• Ecology and acoustics at a large scale

• Applying bioacoustic methods for long-term monitoring of a nocturnal wetland bird

• Semi-automatic long-term acoustic surveying: A case study with bats

• A comparison of similarity-based approaches in the classification of flight calls of four species of North American wood-warblers (Parulidae)

• Random Forest for improved analysis efficiency in passive acoustic monitoring

• Classifying insects on the fly

• Modelling the effects of chorus species composition and caller density on acoustic masking interference in multispecies choruses of crickets and katydids

• Integration of passive acoustic monitoring data into OBIS-SEAMAP, a global biogeographic database, to advance spatially-explicit ecological assessments

• Assessing the cross platform performance of marine mammal indicators between two collocated acoustic recorders

• Assessing marine ecosystem acoustic diversity across ocean basins

• Variation of ocean acoustic environments along the western North Atlantic coast: A case study in context of the right whale migration route

• Visualization of temporal change in soundscape power of a Michigan lake habitat over a 4-year period

• The use of acoustic indices to determine avian species richness in audio-recordings of the environment

• Sonic environment and vegetation structure: A methodological approach for a soundscape analysis of a Mediterranean maqui

• Temporal and spatial variability of animal sound within a neotropical forest