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The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse almost 1,000 books authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
Filter Total Items: 976
Migration, home range, and important use areas of Florida sub-adult bald eagles Migration, home range, and important use areas of Florida sub-adult bald eagles
Long distance movements of Bald Eagles (Haliaeetus leucocephalus) have prevented a thorough documentation of their migration when monitored with traditional methods of banding and radio telemetry. I used satellite telemetry to determine diurnal and nocturnal important use areas (IUAs), migration routes, stopover sites, and home ranges of 69 migratory and non-migratory Florida sub-adult...
Authors
E.K. Mojica
Occupancy Estimation and Modeling : Inferring Patterns and Dynamics of Species Occurrence Occupancy Estimation and Modeling : Inferring Patterns and Dynamics of Species Occurrence
This is the first book to examine the latest methods in analyzing presence/absence data surveys. Using four classes of models (single-species, single-season; single-species, multiple season; multiple-species, single-season; and multiple-species, multiple-season), the authors discuss the practical sampling situation, present a likelihood-based model enabling direct estimation of the...
Authors
D.I. MacKenzie, J.D. Nichols, J. Andrew Royle, K. H. Pollock, L.L. Bailey, J.E. Hines
The Florida Manatee: Biology and Conservation The Florida Manatee: Biology and Conservation
Abstract not supplied at this time
Authors
R.L. Reep, R. K. Bonde
Vanishing before our eyes Vanishing before our eyes
No abstract available
Authors
Wylie C. Barrow, William R. Fontenot, Madeline H. Barrow, Richard A. DeMay, David Muth
The upper crust laid on its side: tectonic implications of steeply tilted crustal slabs for extension in the basin and range The upper crust laid on its side: tectonic implications of steeply tilted crustal slabs for extension in the basin and range
Tilted slabs expose as much as the top 8–15 km of the upper crust in many parts of the Basin and Range province. Exposures of now-recumbent crustal sections in these slabs allow analysis of pre-tilt depth variations in dike swarms, plutons, and thermal history. Before tilting the slabs were panels between moderately dipping, active Tertiary normal faults. The slabs and their bounding...
Authors
Keith A. Howard
14. The Herons (Ardeidae) 14. The Herons (Ardeidae)
Herons and their close relatives, the egrets and bitterns, comprise sixty species in total and are found all over the world except in polar regions, and are a strikingly beautiful part of the wetlands they inhabit. They are particularly abundant and popular in South West USA, especially Florida. Herons are a diverse group, easily recognized by their long legs, necks and bills. Many...
Authors
J.A. Kushlan, J.A. Hancock
Handbook of capture-recapture analysis Handbook of capture-recapture analysis
Every day, biologists in parkas, raincoats, and rubber boots go into the field to capture and mark a variety of animal species. Back in the office, statisticians create analytical models for the field biologists' data. But many times, representatives of the two professions do not fully understand one another's roles. This book bridges this gap by helping biologists understand state-of...
Management and protection protocols for nesting sea turtles on Cape Hatteras National Seashore, North Carolina Management and protection protocols for nesting sea turtles on Cape Hatteras National Seashore, North Carolina
Executive Summary 1. The southeast U.S. population of the loggerhead turtle (Caretta caretta) has increased since the species was listed as federally threatened in 1978. Since standardized monitoring began in North Carolina in 1995, the number of nests at Cape Hatteras National Seashore (CAHA) fluctuated from year to year, and was lowest in 1996 and 1997 (39 nests) and highest in 2003...
Authors
J.B. Cohen
Management and protection protocols for the threatened Piping Plover (Charadrius Melodus) on Cape Hatteras National Seashore, North Carolina Management and protection protocols for the threatened Piping Plover (Charadrius Melodus) on Cape Hatteras National Seashore, North Carolina
Executive Summary 1. The breeding population of the piping plover (Charadrius melodus), a federally-threatened shorebird, at Cape Hatteras National Seashore (CAHA) declined from 15 pairs/yr to 3 pairs/yr from 1989-2004. A population of this size may face immediate risk of extirpation from several sources. At several former breeding sites at CAHA, there have been no nesting pairs in...
Authors
J.B. Cohen
Management, monitoring, and protection protocols for colonially nesting waterbirds at Cape Hatteras National Seashore, North Carolina Management, monitoring, and protection protocols for colonially nesting waterbirds at Cape Hatteras National Seashore, North Carolina
No abstract available.
Authors
R.M. Erwin