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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.
Browse more than 5,500 book chapters 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: 6197
Warmwater fish in small standing waters Warmwater fish in small standing waters
This chapter describes standardized sampling techniques for routine monitoring and population assessment of warmwater sport and prey fishes in small standing water bodies. Although water temperature regulates growth, survival, and reproduction of fishes, there are no specific criteria that define a warmwater fish community. Dodds (2002) noted that warmwater fish communities tend to be...
Authors
Kevin L. Pope, Robert M. Neumann, Scott D. Bryan
Warmwater fish in wadeable streams Warmwater fish in wadeable streams
Both “warmwater” and “wadeable” are terms of convenience without precise definition and are used by biologists to describe streams that are generally too warm to have sustainable salmonid populations and can be safely traversed by walking (i.e., a section of stream should have the majority of its length less than 1 m deep, and it should be possible to cross in chest waders in nearly all...
Authors
Charles F. Rabeni, John J. Lyons, Norman Mercado-Silva, James T. Peterson
Wildlife corridors and developed landscapes Wildlife corridors and developed landscapes
Abstract not available
Authors
Stephen DeStefano
Estrogens, estrogen receptors and their role as immunoregulators in fish Estrogens, estrogen receptors and their role as immunoregulators in fish
No abstract available.
Authors
Luke R. Iwanowicz, Christopher A. Ottinger
A coral disease handbook: Guidelines for assessment, monitoring, and management A coral disease handbook: Guidelines for assessment, monitoring, and management
No abstract available.
Authors
L. Raymundo, Thierry M. Work, A.W. Bruckner, B. Willis
Cenozoic evolution of the abrupt Colorado Plateau–Basin and Range boundary, northwest Arizona: A tale of three basins, immense lacustrine-evaporite deposits, and the nascent Colorado River Cenozoic evolution of the abrupt Colorado Plateau–Basin and Range boundary, northwest Arizona: A tale of three basins, immense lacustrine-evaporite deposits, and the nascent Colorado River
In northwest Arizona, the relatively unextended Colorado Plateau gives way abruptly to the highly extended Colorado River extensional corridor within the Basin and Range province along a system of major west-dipping normal faults, including the Grand Wash fault zone and South Virgin–White Hills detachment fault. Large growth-fault basins developed in the hanging walls of these faults...
Authors
J. E. Faulds, Keith A. Howard, E. M. Duebendorfer
Confirming field assessments and measuring disease impacts Confirming field assessments and measuring disease impacts
No abstract available.
Authors
Thierry M. Work, Cheryl M. Woodley, L. Raymundo
Controls on late Quaternary coral reefs of the Florida Keys Controls on late Quaternary coral reefs of the Florida Keys
The Florida Keys is an arcuate, densely populated, westward-trending island chain at the south end of a karstic peninsular Florida Platform (Enos and Perkins 1977; Shinn et al. 1996; Kindinger el al. 1999, 2000). The "keys: mark the southernmost segment of the Atlantic continental margin of the United States. The islands are bordered by Florida Bay to the north and west, the Atlantic...
Authors
Barbara H. Lidz, Eugene A. Shinn, J. Harold Hudson, Multer H. Gray, Robert B. Halley, Daniel M. Robbin
Coral reefs, present and past, on the west Florida shelf and platform margin: Chapter 4 Coral reefs, present and past, on the west Florida shelf and platform margin: Chapter 4
This paper summarizes the geomorphic variability of these different reef types, their geologic setting, and the present coral-reef biological community. The paper is organized along a virtual depth transect by presenting different reef settings and types starting from the shallower mid-shelf or mid-ramp setting, moving to the shelf edge, and then to the deeper upper slope.
Authors
Albert C. Hine, Robert B. Halley, Stanley D. Locker, B. D. Jarrett, Walter C. Jaap, David J. Mallinson, Katherine T. Ciembronowicz, Nancy B. Ogden, Brian Donahue, David Naar
Reef geology and biology of Navassa Island Reef geology and biology of Navassa Island
Navassa is a small oceanic island (5.2km2 in size) located ~30km west of the southwest tip of Haiti, 160km south of the US Naval Base at Guantanamo Bay, Cuba, and in the heart of the Windward Passage. Navassa was claimed in 1856 by the United States. Navassa has also been claimed by Haiti since its independence in 1825 and, prior to that, was considered part of colonial Haitian...
Authors
Margaret W. Miller, Robert B. Halley, Arthur C.R. Gleason
Amidostomum and Epomidiostomum Amidostomum and Epomidiostomum
No abstract available.
Authors
Alan M. Fedynich, Nancy J. Thomas