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THE TROPICAL MONITORING AVIAN PRODUCTIVITY AND SURVIVORSHIP (TMAPS) PROGRAM IN AMERICAN SAMOA: 2018 REPORT Peter Pyle, Daniel Roche, Zachery Emery, Eric Fishel, Holly Marie Todaro, Margeaux Wayne, Jane Wong, Kim Kayano, Danielle Kaschube, and Lauren Helton 30 September 2018 PO Box 1346 PO Box 3730 Point Reyes Station, CA 94956 Pago Pago, American Samoa 96799 Polynesian Wattled-Honeyeater, TMAPS Station MALO, Tutila Island, 6 March 2014 The Institute for Bird Populations American Samoa 2018 TMAPS Report - 1 Suggested citation: Pyle, P., D. Roche, Z. Emery, E. Fishel, H. M. Todaro, M. Wayne, J. Wong, K. Kayano, D. Kaschube, and L. Helton. 2018. The Tropical Monitoring Avian Productivity and Survivorship (TMAPS) Program in American Samoa: 2018 Report. The Institute for Bird Populations, Point Reyes Station, CA. Cover photograph by Sam Jones The Institute for Bird Populations American Samoa 2018 TMAPS Report - 2 EXECUTIVE SUMMARY Birds are sensitive indicators of environmental quality and ecosystem health, and are the focus of many regional and continental scale monitoring efforts. Most broad-scale bird monitoring has involved counts of birds to index abundance and estimate trends, but monitoring of demographic rates (including productivity, recruitment, and survival) is needed to infer actual causes of population changes. Application of standardized, constant-effort mist netting and modern capture-recapture analytical techniques is an effective means of monitoring demographic rates of many landbird species. In 1989, a long-term landbird mark-recapture effort was initiated in North America by The Institute for Bird Populations (IBP), with the establishment of the Monitoring Avian Productivity and Survivorship (MAPS) program. The MAPS program is a cooperative network consisting of hundreds of constant-effort mist-netting stations operated across North America during each summer landbird breeding season that has provided demographic data for over 180 landbird species.
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