High mangrove density enhances surface accretion, surface elevation change, and tree survival in coastal areas susceptible to sea-level rise
M.P. Kumara, L.P. Jayatissa, K. W. Krauss, D.H. Phillips, M. Huxham
2010, Oecologia (164) 545-553
Survival, growth, aboveground biomass accumulation, sediment surface elevation dynamics and nitrogen accumulation in sediments were studied in experimental treatments planted with four different densities (6.96, 3.26, 1.93 and 0.95 seedlings m−2) of the mangrove Rhizophora mucronata in Puttalam Lagoon, Sri Lanka. Measurements were taken over a period of 1,171 days and...
Derivation of cat embryonic stem-like cells from in vitro-produced blastocysts on homologous and heterologous feeder cells
M.C. Gomez, M.A. Serrano, C. Earle Pope, Jill A. Jenkins, M.N. Biancardi, M. Lopez, C. Dumas, J. Galiguis, B.L. Dresser
2010, Theriogenology (74) 498-515
The domestic cat is a focal mammalian species that is used as a model for developing assisted reproductive technologies for preserving endangered cats and for studying human diseases. The generation of stable characterized cat embryonic stem cells (ESC) lines to use as donor nuclei may help to improve the efficiency...
Climate-driven interannual variability in net ecosystem exchange in the Northern Great Plains grasslands
Liping Zhang, Bruce K. Wylie, Lei Ji, Tagir G. Gilmanov, Larry L. Tieszen
2010, Rangeland Ecology and Management (63) 40-50
The Northern Great Plains grasslands respond differently under various climatic conditions; however, there have been no detailed studies investigating the interannual variability in carbon exchange across the entire Northern Great Plains grassland ecosystem. We developed a piecewise regression model to integrate flux tower data with remotely sensed data and mapped the 8-d and...
Low prevalence of chytrid fungus (Batrachochytrium dendrobatidis) in amphibians of U.S. headwater streams
Blake R. Hossack, M. J. Adams, Evan H. Campbell Grant, Chistopher A. Pearl, James B. Bettaso, William J. Barichivich, Winsor H. Lowe, Kimberly TRUE, Joy L. Ware, Paul Stephen Corn
2010, Journal of Herpetology (44) 253-260
Many declines of amphibian populations have been associated with chytridiomycosis, a disease caused by the aquatic fungus Batrachochytrium dendrobatidis (Bd). Despite the relatively high prevalence of chytridiomycosis in stream amphibians globally, most surveys in North America have focused primarily on wetland-associated species, which are frequently infected. To better understand the...
Reply to “Comment on ‘Near-surface location, geometry, and velocities of the Santa Monica fault zone, Los Angeles, California’ by R. D. Catchings, G. Gandhok, M. R. Goldman, D. Okaya, M. J. Rymer, and G. W. Bawden” by T. L. Pratt and J. F. Dolan
Rufus D. Catchings, Michael J. Rymer, Mark R. Goldman, Gerald W. Bawden
2010, Bulletin of the Seismological Society of America (100) 2338-2347
In a comment on our 2008 paper (Catchings, Gandhok, et al., 2008) on the Santa Monica fault in Los Angeles, California, Pratt and Dolan (2010) (herein referred to as P&D) cite numerous objections to our work, inferring that our study is flawed. However, as shown in our reply, their objections...
Groundwater conditions in Utah, spring of 2010
Carole B. Burden, David V. Allen, Jay R. Cederberg, Martel J. Fisher, Michael L. Freeman, Paul Downhour, Michael Enright, Robert J. Eacret, Manuel Guzman, Bradley A. Slaugh, Robert L. Swenson, James H. Howells, Howard K. Christiansen
2010, Cooperative Investigations Report 51
This is the forty-seventh in a series of annual reports that describe groundwater conditions in Utah. Reports in this series, published cooperatively by the U.S. Geological Survey and the Utah Department of Natural Resources, Division of Water Resources and Division of Water Rights, and the Utah Department of Environmental Quality,...
Spring distribution in Winona County, Minnesota, USA and the relationship with geologic strata in a karst landscape
Mary A. Williams, Bruce C. Vondracek
2010, Carbonates and Evaporites (25) 333-347
Karst aquifers are important groundwater resources, but are vulnerable to contamination due to relatively rapid subsurface transport. Springs, points where the landscape and water table intersect and cold groundwater discharges, link aquifer systems with land surfaces and water bodies. As such, in many regions, they are critical to the viability...
The Index of Biological Integrity and the bootstrap revisited: an example from Minnesota streams
Christine L. Dolph, Aleksey Y. Sheshukov, Christopher J. Chizinski, Bruce C. Vondracek, Bruce Wilson
2010, Ecological Indicators (10) 527-537
Multimetric indices, such as the Index of Biological Integrity (IBI), are increasingly used by management agencies to determine whether surface water quality is impaired. However, important questions about the variability of these indices have not been thoroughly addressed in the scientific literature. In this study, we used a bootstrap approach...
Using landscape limnology to classify freshwater ecosystems for multi-ecosystem management and conservation
Patricia A. Soranno, Kendra Spence Cheruvelil, Katherine E. Webster, Mary T. Bremigan, Tyler Wagner, Craig A. Stow
2010, BioScience (60) 440-454
Governmental entities are responsible for managing and conserving large numbers of lake, river, and wetland ecosystems that can be addressed only rarely on a case-by-case basis. We present a system for predictive classification modeling, grounded in the theoretical foundation of landscape limnology, that creates a tractable number of ecosystem classes...
Influence of cover and food resource variation on postbreeding bird use of timber harvests with residual canopy trees
Molly E. McDermott, Petra Wood
2010, Wilson Journal of Ornithology (122) 545-555
We investigated avian use of clearcuts and two-age harvests during the post-breeding period in 2006 in the central Appalachians, West Virginia, USA with an information-theoretic approach to model selection. Cover variables appeared to be most important; e.g., vegetative vertical complexity had a strong positive relation with capture rates of mature...
Mercury monitoring in fish using a non-lethal tissue biopsy method
J. Ackerson, Christopher J. Schmitt, Michael J. McKee, William G. Brumbaugh
2010, Missouri Department of Conservation Science Notes (5)
The occurrence of mercury in fish is well-known and often occurs at levels that warrant restricted consumption by sensitive human populations. Because of this, local wildlife and health agencies have developed monitoring programs to identify the magnitude of fish contamination and changes through time. Monitoring mercury levels in fish typically...
Mount Rainier National Park and Olympic National Park Elk Monitoring Program Annual Report 2010
Paul Griffin, Patricia J. Happe, Kurt J. Jenkins, Mason Reid, David J. Vales, Barbara J. Moeller, Michelle Tirhi, Scott McCorquodale, Pat Miller
2010, Natural Resource Data Series 2011/289
Fiscal year 2010 was the third year of gathering data needed for protocol development while simultaneously implementing what is expected to be the elk monitoring protocol at Mount Rainier (MORA) and Olympic (OLYM) national parks in the North Coast and Cascades Network (NCCN). Elk monitoring in these large wilderness parks...
Climate change in the federated states of Micronesia: Food and water security, climate risk management, and adaptive strategies
Charles H. Fletcher, Bruce M. Richmond
2010, Report
This is a report of findings following research and a three-week field assessment (April 2009) of the Federated States of Micronesia (FSM) in response to nation-wide marine inundation by extreme tides (December 2007, September 2008, December 2008).3 The study was conducted at the request of the US Department of Agriculture...
The 7Q10 in South Carolina water-quality regulation: Nearly fifty years later
Toby D. Feaster, Wade M. Cantrell
2010, Conference Paper
The annual minimum 7-day average streamflow with a 10-year recurrence interval, often referred to as the 7Q10, has a long history of being an important low-flow statistic used in water-quality management in South Carolina as evidenced by its adoption into South Carolina law in 1967. State agencies, such as the...
Development of inferential sensors for real-time quality control of water-level data for the Everglades Depth Estimation Network
Ruby C. Daamen, Jr. Edwin A. Roehl, Paul Conrads
2010, Conference Paper
The Everglades Depth Estimation Network (EDEN) is an integrated network of real-time water-level gaging stations, ground-elevation models, and watersurface models designed to provide scientists, engineers, and water-resource managers with current (2000-present) water-depth information for the entire freshwater portion of the greater Everglades. The generation of EDEN waterlevel surfaces is derived...
Olympic Fisher Reintroduction Project: 2010 Progress Report
Jeffrey C. Lewis, Patti J. Happe, Kurt J. Jenkins, David J. Manson
2010, Report
The 2010 progress report is a summary of the reintroduction, monitoring, and research efforts undertaken during the third year of the Olympic fisher reintroduction project. Jeffrey C. Lewis of Washington Department of Fish and Wildlife, Patti J. Happe of Olympic National Park, and Kurt J. Jenkins of U. S. Geological...
Science Support for Climate Change Adaptation in South Florida
Laura M. Early, Rebecca G. Harvey
2010, Report
Earth's changing climate is among the foremost conservation challenges of the 21st century, threatening to permanently alter entire ecosystems and contribute to extinctions of species. Lying only a few feet above sea level and already suffering effects of anthropogenic stressors, south Florida's ecosystems are particularly vulnerable to negative impacts of...
Flightless and post-molt survival and movements of female mallards molting in Klamath Basin
Joseph P. Fleskes, David M. Mauser, Julie L. Yee, David S. Blehert, Gregory S. Yarris
2010, Waterbirds (33) 208-220
Flightless and post-molt survival and movements were studied during August-May, 2001-2002, 2002- 2003 and 2006-2007 for 181 adult female Mallards (Anas platyrhynchos). Birds were radiotagged just before or early in their flightless period on four wetlands that differed in size on Klamath Basin (KB) National Wildlife Refuge complex. Flightless survival...
Pliocene climate
Harry J. Dowsett, R. P. Caballero-Gill
2010, Stratigraphy (7) 106-110
The Pliocene Epoch, 5.3 Ma to 1.8 Ma, was a time when paleoclimate conditions ranged from very warm, equable climates (on a global scale), rhythmically varying every 40,000 years, to high-amplitude glacial-interglacial cycles that led to the “Ice Ages” of the Pleistocene. Evidence for paleoclimate conditions comes from fossils, geochemical...
Analysis of current-use pesticides in aquatic and terrestrial organisms collected throughout California, USA
Kelly L. Smalling, Kathyrn M. Kuivila
2010, Conference Paper, Proceedings of 14th international conference, IWA Diffuse Pollution Specialist Group: Diffuse pollution and eutrophication
A wide variety of pesticides are applied concurrently in agricultural and urban areas and transported off site dissolved in water and bound to sediments. But the exposure of aquatic and terrestrial organisms to current-use pesticides and the resulting effects are not well understood. One approach is to directly analyze tissue...
Seasonal and decadal-scale channel evolution on the dammed Elwha River, Washington
Amy E. Draut, Joshua B. Logan, Mark C. Mastin, Randall E. McCoy
2010, Conference Paper, Proceedings of the Joint Federal Interagency Conference 2010: Hydrology and sedimentation for a changing future: Existing and emerging issues
More than 75,000 dams exist in the continental United States to provide water storage, flood control, and hydropower generation (Graf, 1999). Many of these were built during the early twentieth century and are due for relicensing consideration now and in the near future. The cost of repairing aging dams, together...
The use of genetics for the management of a recovering population: temporal assessment of migratory peregrine falcons in North America
Jeff A. Johnson, Sandra L. Talbot, George K. Sage, Kurt K. Burnham, Joseph W. Brown, Tom L. Maechtle, William S. Seegar, Michael A. Yates, Bud Anderson, David P. Mindell
2010, PLoS ONE (5)
Background:Our ability to monitor populations or species that were once threatened or endangered and in the process of recovery is enhanced by using genetic methods to assess overall population stability and size over time. This can be accomplished most directly by obtaining genetic measures from temporally-spaced samples that reflect...
Overview of selected surrogate technologies for high-temporal resolution suspended-sediment monitoring
John R. Gray, Jeffrey W. Gartner
2010, Conference Paper, Proceedings of the Joint Federal Interagency Conference 2010: Hydrology and Sedimentation for a Changing Future: Existing and Emerging Issues: Las Vegas, NV, June 27-July 1, 2010
Traditional methods for characterizing selected properties of suspended sediments in rivers are being augmented and in some cases replaced by cost-effective surrogate instruments and methods that produce a temporally dense time series of quantifiably accurate data for use primarily in sediment-flux computations. Turbidity is the most common such surrogate...
Fluvial sediment in the environment: a national challenge
Matthew C. Larsen, Allen C. Gellis, G. Douglas Glysson, John R. Gray, Arthur J. Horowitz
2010, Conference Paper, Proceedings of the Joint Federal Interagency Conference 2010: Hydrology and Sedimentation for a Changing Future: Existing and Emerging Issues
Sediment and sediment-associated constituents can contribute substantially to water-quality impairment. In the past, sediment was viewed mainly as an engineering problem that affected reservoir storage capacity, shipping channel maintenance, and bridge scour, as well as the loss of agricultural soil. Sediment is now recognized as a major cause of aquatic...
Development of a national, dynamic reservoir-sedimentation database
J. R. Gray, J.M. Bernard, D. W. Stewart, E.J. McFaul, K.W. Laurent, G. E. Schwarz, J.T. Stinson, M.M. Jonas, T. J. Randle, J.W. Webb
2010, Conference Paper, Proceedings of the Joint Federal Interagency Conference 2010: Hydrology and Sedimentation for a Changing Future: Existing and Emerging Issues: Las Vegas, NV, June 27-July 1, 2010
The importance of dependable, long-term water supplies, coupled with the need to quantify rates of capacity loss of the Nation’s re servoirs due to sediment deposition, were the most compelling reasons for developing the REServoir- SEDimentation survey information (RESSED) database and website. Created under the auspices of the Advisory Committee...