Publications
Read publications and other informational products to learn more about USGS science occurring in the Mississippi Basin.
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A comparison of measures of riverbed form for evaluating distributions of benthic fishes A comparison of measures of riverbed form for evaluating distributions of benthic fishes
A method to quantitatively characterize the bed forms of a large river and a preliminary test of the relationship between bed-form characteristics and catch per unit area of benthic fishes is presented. We used analog paper recordings of bathymetric data from the Missouri River and fish data collected from 1996 to 1998 at both the segment (???101-102-km) and macrohabitat (???10-1-100-km)...
Authors
Mark L. Wildhaber, Peter J. Lamberson, David L. Galat
Wildlife mortality on Highway U.S. 441 across Paynes Prairie, Alachua County, Florida Wildlife mortality on Highway U.S. 441 across Paynes Prairie, Alachua County, Florida
Abstract not supplied at this time
Authors
L. L. Smith, C.K. Dodd
Leaf litterbags: factors affecting capture of stream-dwelling salamanders Leaf litterbags: factors affecting capture of stream-dwelling salamanders
No abstract available.
Authors
J. L. Waldron, C. Kenneth Dodd, Jeffrey D. Corser
Geographic Information System Tools for Conservation Planning: User's Manual Geographic Information System Tools for Conservation Planning: User's Manual
Public and private land managers desire better ways to incorporate landscape, species, and habitat relations into their conservation planning processes. We present three tools, developed for the Environmental Systems Research Institute?s ArcView 3.x platform, applicable to many types of wildlife conservation management and planning efforts. These tools provide managers and planners with...
Authors
Timothy J. Fox, Jason J. Rohweder, K.P. Kenow, C. E. Korschgen, H.C. DeHaan
Bathymetric mapping, sediment quality, and water quality of Lake Delhi, Iowa, 2001-02 Bathymetric mapping, sediment quality, and water quality of Lake Delhi, Iowa, 2001-02
Lake Delhi was formed in 1929 when the Interstate Power Company dammed the Maquoketa River near Delhi, Iowa, for generation of hydroelectric power. The resulting 450-acre lake became a popular area in eastern Iowa for boating, swimming, and fishing. Hydroelectric power generation ended in 1973, and lakeside residents purchased the dam to maintain the recreational opportunities of the...
Authors
Douglas J. Schnoebelen, Jason C. McVay, Kimberlee K. Barnes, Kent Becher
Interactions of an insecticide, herbicide, and natural stressors in amphibian community mesocosms Interactions of an insecticide, herbicide, and natural stressors in amphibian community mesocosms
Amphibians developing in wetlands embedded within or near agricultural lands may frequently encounter chemical mixtures. The objectives of our study were to determine the effects that post-application concentrations of an insecticide (carbaryl) and an herbicide (atrazine) have on body mass, development, and survival of two anuran species (southern leopard frog, Rana sphenocephala...
Authors
M.D. Boone, S.M. James
Mass tree mortality leads to mangrove peat collapse at Bay Islands, Honduras after Hurricane Mitch Mass tree mortality leads to mangrove peat collapse at Bay Islands, Honduras after Hurricane Mitch
We measured sediment elevation and accretion dynamics in mangrove forests on the islands of Guanaja and Roatan, Honduras, impacted by Hurricane Mitch in 1998 to determine if collapse of underlying peat was occurring as a result of mass tree mortality. Little is known about the balance between production and decomposition of soil organic matter in the maintenance of sediment elevation of...
Authors
Donald R. Cahoon, P. Hensel, J. Rybczyk, K.L. McKee, C.E. Proffitt, B.C. Perez
Survival, transport, and sources of fecal bacteria in streams and survival in land-applied poultry litter in the upper Shoal Creek basin, southwestern Missouri, 2001–2002 Survival, transport, and sources of fecal bacteria in streams and survival in land-applied poultry litter in the upper Shoal Creek basin, southwestern Missouri, 2001–2002
Densities of fecal coliform bacteria along a 5.7-mi (mile) reach of Shoal Creek extending upstream from State Highway 97 (site 3) to State Highway W (site 2) and in two tributaries along this reach exceeded the Missouri Department of Natural Resources (MDNR) standard of 200 col/100 mL (colonies per 100 milliliters) for whole-body contact recreation. A combination of techniques was used...
Authors
John G. Schumacher
Heavy metals and metalloids in egg contents and eggshells of passerine birds from Arizona Heavy metals and metalloids in egg contents and eggshells of passerine birds from Arizona
Concentrations of inorganic elements were determined in eggs of passerine birds including the endangered southwestern willow flycatcher (Empidonax traillii extimus) from four regions in Arizona. The main aim of the study was to determine the distribution of metals in egg contents and eggshells, with emphasis on the deposition of Sr in eggshells. Seventy eggs of 11 passerine species were...
Authors
Miguel A. Mora
Turquoise water, silver palms and fluorescent green Leiocephalus Turquoise water, silver palms and fluorescent green Leiocephalus
Abstract not supplied at this time
Authors
C.K. Dodd