@misc{indiciaecd9e85c5d8c9, title = {Temporal and spatial variation in bird and human use of beaches in southern California}, author = {Kevin D. Lafferty and Donald A. Rodriguez and Angela Chapman}, year = {2013}, doi = {10.1186/2193-1801-2-38}, url = {https://pubs.usgs.gov/publication/70190563}, note = {Source identifier: 70190563} }