2007 | Publisher: USGS | Format: .PDF
pubs.usgs.gov — Ospreys are large fish-eating birds of prey that live along seacoasts, lakes, and rivers. Three times since 1977, USGS zoologist Chuck Henny has led an international team to survey ospreys and other water birds that nest in northwestern Mexico. This USGS report details the long-term dataset and estimates on regional population trends.
2007 | Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL
www.fort.usgs.gov — This report, extracted from the FORT annual report submitted to the Central Region, contains selected science highlights from 2007 along with products, presentations, awards, and all the internal management pieces. This Open-File Report is a condensed version of the regional submission and includes science accomplishments, major workshops, More...
2007 | Publisher: USGS (Colorado Plateau Research Station) | Science Center: USGS Other | Format: .PDF
pubs.usgs.gov — The Southwestern Willow Flycatcher (Empidonax traillii extimus) is an endangered bird that breeds only in dense riparian habitats in six southwestern states (southern California, extreme southern Nevada, southern Utah, southwestern Colorado, Arizona, and New Mexico). Since 1993, hundreds of Southwestern Willow Flycatcher surveys have been More...
2005 | Publisher: Academic Institution (University of Vermont) | Format: URL
www.uvm.edu — This book examines the latest methods in analyzing presence/absence data surveys. The authors discuss the practical sampling situation, present a likelihood-based model enabling direct estimation of the occupancy-related parameters while allowing for imperfect detectability, and make recommendations for designing studies using these models. The More...
Publisher: Other (Smithsonian Institution National Museum of Natural History (NMNH)) | Format: URL
www.mnh.si.edu — This book provides practical guidance in biodiversity survey design and implementation, giving an insight on the decline of amphibians, but all living organisms. Full text is available online.
Publisher: USGS | Science Center: Forest and Rangeland Ecosystem Science Center (FRESC, Corvallis) | Format: .PDF
fresc.usgs.gov — This resource brings together leading scientists and researchers to offer a ground breaking synthesis of lessons learned about ecological monitoring in major ecoregional initiatives around the United States. Contributors present insights and experiences gained from their work in designing, developing, and implementing comprehensive ecosystem More...
Publisher: Other (Columbia Basin Fish and Wildlife Authority) | Format: .DOC
www.pnamp.org — This report is from a collaboration between scientists Jeff Uebel, (USFS), Sam Chan (OSU Sea Grant Extension), Scott Weidemer (OSU Sea Grant Extension), and Tania Siemens (Invasive Species Ecologist and OSU Research Associate), who met to strategize the development of an Aquatic Invasive Species Early Detection and Reporting (EDR) System for the More...
Publisher: USGS | Format: URL
pubs.usgs.gov — This report summarizes the findings of a study conducted as a pilot for part of a park-wide monitoring program being developed for the Ozark National Scenic Riverways (ONSR) of southeastern Missouri. The objective was to evaluate using crayfish (Orconectes spp.) and Asian clam (Corbicula fluminea) for monitoring concentrations of metals associated More...