[1] US Geological Survey,Centre for Wildlife Ecology, Department of Biological Sciences
[2] Western Ecological Research Center,undefined
[3] San Francisco Bay Estuary Station,undefined
[4] U.S. Fish and Wildlife Service,undefined
[5] Arcata Fish and Wildlife Office,undefined
[6] H. T. Harvey & Associates,undefined
[7] Simon Fraser University,undefined
[8] US Geological Survey,undefined
[9] Western Ecological Research Center,undefined
[10] US Geological Survey,undefined
[11] California Water Science Center,undefined
[12] US Geological Survey,undefined
[13] Woods Hole Coastal and Marine Science Center,undefined