Occurrence of the Great Lake's most recent invader, Hemimysis anomala, in the diet of fishes in southeastern Lake Ontario
B.F. Lantry, M. G. Walsh, J. H. Johnson, J.E. McKenna Jr.
2010, Journal of Great Lakes Research (36) 179-183
The Ponto-Caspian mysid, Hemimysis anomala, was first observed in southeastern Lake Ontario in May 2006. During July and August 2007, gill nets were fished in 6 to 8 m of water at two locations of known Hemimysis colonization in southeastern Lake Ontario to determine if fish that consume macroinvertebrates were...
Designing and implementing a regional urban modeling system using the SLEUTH cellular urban model
Claire A. Jantz, Scott J. Goetz, David I. Donato, Peter R. Claggett
2010, Computers, Environment and Urban Systems (34) 1-16
This paper presents a fine-scale (30 meter resolution) regional land cover modeling system, based on the SLEUTH cellular automata model, that was developed for a 257000 km2 area comprising the Chesapeake Bay drainage basin in the eastern United States. As part of this effort, we developed a new version of the SLEUTH...
Multi-species occurrence models to evaluate the effects of conservation and management actions
E.F. Zipkin, Royle J. Andrew, D.K. Dawson, S. Bates
2010, Biological Conservation (143) 479-484
Conservation and management actions often have direct and indirect effects on a wide range of species. As such, it is important to evaluate the impacts that such actions may have on both target and non-target species within a region. Understanding how species richness and composition differ as a result of...
Individual and colony-specific wintering areas of Pacific northern fulmars (Fulmarus glacialis)
Scott A. Hatch, Verena A. Gill, Daniel M. Mulcahy
2010, Canadian Journal of Fisheries and Aquatic Sciences (67) 386-400
Seabird mortality associated with longline fishing in the eastern Bering Sea occurs mainly from September to May, with northern fulmars (Fulmarus glacialis) comprising the majority (60%) of the bycatch. Along the west coast of North America, winter dieoffs of fulmars may be increasing in frequency and magnitude, the most severe...
Early viral replication and induced or constitutive immunity in rainbow trout families with differential resistance to Infectious hematopoietic necrosis virus (IHNV)
M. K. Purcell, S. E. LaPatra, J.C. Woodson, Gael Kurath, J. R. Winton
2010, Fish and Shellfish Immunology (28) 98-105
The main objective of this study was to assess correlates of innate resistance in rainbow trout full-sibling families that differ in susceptibility to Infectious hematopoietic necrosis virus (IHNV). As part of a commercial breeding program, full-sibling families were challenged with IHNV by waterborne exposure at the 1 g size to...
Community variations in social vulnerability to Cascadia-related tsunamis in the U.S. Pacific Northwest
N.J. Wood, C.G. Burton, S.L. Cutter
2010, Natural Hazards (52) 369-389
Tsunamis generated by Cascadia subduction zone earthquakes pose significant threats to coastal communities in the U. S. Pacific Northwest. Impacts of future tsunamis to individuals and communities will likely vary due to pre-event socioeconomic and demographic differences. In order to assess social vulnerability to Cascadia tsunamis, we adjust a social...
Propagule pressure and stream characteristics influence introgression: Cutthroat and rainbow trout in British Columbia
S.N. Bennett, J.R. Olson, J. L. Kershner, P. Corbett
2010, Ecological Applications (20) 263-277
Hybridization and introgression between introduced and native salmonids threaten the continued persistence of many inland cutthroat trout species. Environmental models have been developed to predict the spread of introgression, but few studies have assessed the role of propagule pressure. We used an extensive set of fish stocking records and geographic...
Nitrogen and phosphorus in the Upper Mississippi River: Transport, processing, and effects on the river ecosystem
J.N. Houser, W. B. Richardson
2010, Hydrobiologia (640) 71-88
Existing research on nutrients (nitrogen and phosphorus) in the Upper Mississippi River (UMR) can be organized into the following categories: (1) Long-term changes in nutrient concentrations and export, and their causes; (2) Nutrient cycling within the river; (3) Spatial and temporal patterns of river nutrient concentrations; (4) Effects of elevated...
MTBE, TBA, and TAME attenuation in diverse hyporheic zones
James Landmeyer, Paul M. Bradley, D.A. Trego, K.G. Hale, J.E. Haas II
2010, Ground Water (48) 30-41
Groundwater contamination by fuel-related compounds such as the fuel oxygenates methyl tert-butyl ether (MTBE), tert-butyl alcohol (TBA), and tert-amyl methyl ether (TAME) presents a significant issue to managers and consumers of groundwater and surface water that receives groundwater discharge. Four sites were investigated on Long Island, New York, characterized by...
Predicting the retreat and migration of tidal forests along the northern Gulf of Mexico under sea-level rise
T.W. Doyle, K. W. Krauss, W.H. Conner, A.S. From
2010, Forest Ecology and Management (259) 770-777
Tidal freshwater forests in coastal regions of the southeastern United States are undergoing dieback and retreat from increasing tidal inundation and saltwater intrusion attributed to climate variability and sea-level rise. In many areas, tidal saltwater forests (mangroves) contrastingly are expanding landward in subtropical coastal reaches succeeding freshwater marsh and forest...
Impacts of precipitation seasonality and ecosystem types on evapotranspiration in the Yukon River Basin, Alaska
W. Yuan, S. Liu, H. Liu, J. T. Randerson, G. Yu, L.L. Tieszen
2010, Water Resources Research (46) 1-16
Evapotranspiration (ET) is the largest component of water loss from terrestrial ecosystems; however, large uncertainties exist when estimating the temporal and spatial variations of ET because of concurrent shifts in the magnitude and seasonal distribution of precipitation as well as differences in the response of ecosystem ET to environmental variabilities....
Effects of spatial habitat heterogeneity on habitat selection and annual fecundity for a migratory forest songbird
K.L. Cornell, T.M. Donovan
2010, Landscape Ecology (25) 109-122
Understanding how spatial habitat patterns influence abundance and dynamics of animal populations is a primary goal in landscape ecology. We used an information-theoretic approach to investigate the association between habitat patterns at multiple spatial scales and demographic patterns for black-throated blue warblers (Dendroica caerulescens) at 20 study sites in west-central...
Polychlorinated biphenyls, dioxins, furans, and organochlorine pesticides in spotted sandpiper eggs from the upper Hudson River basin, New York
Thomas W. Custer, Christine M. Custer, Brian R. Gray
2010, Ecotoxicology (19) 391-404
In 2004, spotted sandpipers (Actitis macularia) were studied on the Hudson River near Fort Edward south to New Baltimore, NY and on two river drainages that flow into the Hudson River. Concentrations of 28 organochlorine pesticides, 160 polychlorinated biphenyl (PCB) congeners, and 17 dioxin and furan (PCDD-F) congeners...
Yearling greater sage-grouse response to energy development in Wyoming
M.J. Holloran, R.C. Kaiser, W.A. Hubert
2010, Journal of Wildlife Management (74) 65-72
Sagebrush (Artemisia spp.)-dominated habitats in the western United States have experienced extensive, rapid changes due to development of natural-gas fields, resulting in localized declines of greater sage-grouse (Centrocercus urophasianus) populations. It is unclear whether population declines in natural-gas fields are caused by avoidance or demographic impacts, or the age classes...
Relevance of risk predictions derived from a chronic species sensitivity distribution with cadmium to aquatic populations and ecosystems
C.A. Mebane
2010, Risk Analysis (30) 203-223
Criteria to protect aquatic life are intended to protect diverse ecosystems, but in practice are usually developed from compilations of single-species toxicity tests using standard test organisms that were tested in laboratory environments. Species sensitivity distributions (SSDs) developed from these compilations are extrapolated to set aquatic ecosystem criteria. The protectiveness...
Fine scale daily movements and habitat use of East Pacific green turtles at a shallow coastal lagoon in Baja California Sur, Mexico
Jesse Senko, Volker Koch, William M. Megill, Raymond R. Carthy, R.obert P. Templeton, Wallace J. Nichols
2010, Journal of Experimental Marine Biology and Ecology (391) 92-100
Green turtles spend most of their lives in coastal foraging areas where they face multiple anthropogenic impacts. Therefore, understanding their spatial use in this environment is a priority for conservation efforts. We studied the fine scale daily movements and habitat use of East Pacific green turtles (Chelonia mydas) at Laguna...
Nodeomics: Pathogen detection in vertebrate lymph nodes using meta-transcriptomics
Nicola E. Wittekindt, Abinash Padhi, Stephan C. Schuster, Ji Qi, Fangqing Zhao, Lynn P. Tomsho, Lindsay R. Kasson, Michael Packard, Paul C. Cross, Mary Poss
2010, PLoS (5) 1-10
The ongoing emergence of human infections originating from wildlife highlights the need for better knowledge of the microbial community in wildlife species where traditional diagnostic approaches are limited. Here we evaluate the microbial biota in healthy mule deer (Odocoileus hemionus) by analyses of lymph node meta-transcriptomes. cDNA libraries from five...
Modeling the relations between flow regime components, species traits, and spawning success of fishes in warmwater streams
S.W. Craven, J.T. Peterson, Mary C. Freeman, T.J. Kwak, E. Irwin
2010, Environmental Management (46) 181-194
Modifications to stream hydrologic regimes can have a profound influence on the dynamics of their fish populations. Using hierarchical linear models, we examined the relations between flow regime and young-of-year fish density using fish sampling and discharge data from three different warmwater streams in Illinois, Alabama, and Georgia. We used...
Current lineages of the epithelioma papulosum cyprini (EPC) cell line are contaminated with fathead minnow, Pimephales promelas, cells
J. Winton, W. Batts, P. DeKinkelin, M. LeBerre, M. Bremont, N. Fijan
2010, Journal of Fish Diseases (33) 701-704
Initially established from proliferative skin lesions of the common carp, Cyprinus carpio L., the epithelioma papulosum cyprini (EPC) cell line (Fijan, Sulimanovic, Bearzotti, Muzinic, Zwillenberg, Chilmonczyk, Vautherot & de Kinkelin 1983) has become one of the most widely used tools for research on fish viruses and the diagnosis of fish...
Building on a legacy: 125 years of USGS topographic map
J. Campbell, M.R. Newell, D.A. Perdue
2010, Photogrammetric Engineering and Remote Sensing (76) 209-213
No abstract available....
Exploring the limits of identifying sub-pixel thermal features using ASTER TIR data
R. Greg Vaughan, Laszlo P. Keszthelyi, Ashley G. Davies, David J. Schneider, Cheryl Jaworowski, Henry Heasler
2010, Journal of Volcanology and Geothermal Research (189) 225-237
Understanding the characteristics of volcanic thermal emissions and how they change with time is important for forecasting and monitoring volcanic activity and potential hazards. Satellite instruments view volcanic thermal features across the globe at various temporal and spatial resolutions. Thermal features that may be a precursor to a major eruption,...
Scallopleaf sage (salvia vaseyi: Lamiaceae) discovered in Arizona
J.W. Cain III, R.S. Felger, B.D. Jansen, P.R. Krausman
2010, Journal of the Botanical Research Institute of Texas (4) 755-760
During the course of field work in Cabeza Prieta National Wildlife Refuge, southwestern Arizona, in 2003, James Cain and Brian Jansen collected Salvia vaseyi, previously known only from the western edge of the Sonoran Desert in California and Baja California. Our findings indicate this shrub might be more widespread in...
Meteorite and meteoroid: New comprehensive definitions
A.E. Rubin, J. N. Grossman
2010, Meteoritics and Planetary Science (45) 117-125
Meteorites have traditionally been defined as solid objects that have fallen to Earth from space. This definition, however, is no longer adequate. In recent decades, man-made objects have fallen to Earth from space, meteorites have been identified on the Moon and Mars, and small interplanetary objects have impacted orbiting spacecraft....
Morphologic dating of fault scarps using airborne laser swath mapping (ALSM) data
G.E. Hilley, S. Delong, C. Prentice, K. Blisniuk, J.R. Arrowsmith Jr.
2010, Geophysical Research Letters (37)
Models of fault scarp morphology have been previously used to infer the relative age of different fault scarps in a fault zone using labor-intensive ground surveying. We present a method for automatically extracting scarp morphologic ages within high-resolution digital topography. Scarp degradation is modeled as a diffusive mass transport process...
Silica-rich deposits and hydrated minerals at Gusev Crater, Mars: Vis-NIR spectral characterization and regional mapping
M.S. Rice, J.F. Bell III, E.A. Cloutis, A. Wang, S. W. Ruff, M.A. Craig, D.T. Bailey, J. R. Johnson, P.A. De Souza Jr., W. H. Farrand
2010, Icarus (205) 375-395
The Mars Exploration Rover (MER) Spirit has discovered surprisingly high concentrations of amorphous silica in soil and nodular outcrops in the Inner Basin of the Columbia Hills. In Pancam multispectral observations, we find that an absorption feature at the longest Pancam wavelength (1009 nm) appears to be characteristic of these...