Vegetation ecogeomorphology, dynamic equilibrium, and disturbance
Cliff R. Hupp, W. R. Osterkamp
2013, Book chapter, Ecogeomorphology: Volume 12 in Treatise in Geomorphology
Early ecologists understood the need to document geomorphic form and process to explain plant species distributions. Although this relationship has been acknowledged for over a century, with the exception of a few landmark papers, only the past few decades have experienced intensive research on this interdisciplinary topic. Here the authors...
Reactivation of the Archean-Proterozoic suture along the southern margin of Laurentia during the Mazatzal orogeny: Petrogenesis and tectonic implications of ca. 1.63 Ga granite in southeastern Wyoming
Daniel S. Jones, Calvin G. Barnes, Wayne R. Premo, Arthur W. Snoke
2013, Geological Society of America Bulletin (125) 164-183
The presence of ca. 1.63 Ga monzogranite (the “white quartz monzonite”) in the southern Sierra Madre, southeastern Wyoming, is anomalous given its distance from the nearest documented plutons of similar age (central Colorado) and the nearest contemporaneous tectonic margin (New Mexico). It is located immediately south of the Cheyenne belt—a...
Freshwater and drought on Pacific Islands
Scot K. Izuka, Victoria Keener
2013, Book chapter, Climate Change and Pacific Islands: Indicators and Impacts: Report for the 2012 Pacific Islands Regional Climate Assessment
Priority data on marine and estuarine resources within northeastern National Parks: Inventory and acquisition needs
Tracy E. Hart, Hilary A. Neckles, Blaine S. Kopp
2013, Natural Resource Report NPS/NCBN/NRR—2013/612
The purpose of this project was to guide development of a strategy for the inventory and mapping of submerged natural resources associated within 10 coastal parks of the National Park Service (NPS) Northeast Region (NER; see Table 1). Priority data needs were identified by the NER Ocean Stewardship Task Force....
Characterizing LEDAPS surface reflectance products by comparisons with AERONET, field spectrometer, and MODIS data
Tom Maiersperger, Pat Scaramuzza, Larry Leigh, S. Shrestha, Kevin Gallo, Calli B. Jenkerson, John L. Dwyer
2013, Remote Sensing of Environment (136) 1-13
This study provides a baseline quality check on provisional Landsat Surface Reflectance (SR) products as generated by the U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center using Landsat Ecosystem Disturbance Adaptive Processing System (LEDAPS) software. Characterization of the Landsat SR products leveraged comparisons between aerosol optical thickness...
Strategies for rapid global earthquake impact estimation: the Prompt Assessment of Global Earthquakes for Response (PAGER) system
Kishor Jaiswal, D.J. Wald
2013, Book chapter, Handbook of seismic risk analysis and management of civil infrastructure systems
This chapter summarizes the state-of-the-art for rapid earthquake impact estimation. It details the needs and challenges associated with quick estimation of earthquake losses following global earthquakes, and provides a brief literature review of various approaches that have been used in the past. With this background, the chapter introduces the operational...
Spatio-temporal dynamics of pneumonia in bighorn sheep
E. Frances Cassirer, Raina K. Plowright, Kezia R. Manlove, Paul C. Cross, Andrew P. Dobson, Kathleen A. Potter, Peter J. Hudson
2013, Journal of Animal Ecology (82) 518-528
Bighorn sheep mortality related to pneumonia is a primary factor limiting population recovery across western North America, but management has been constrained by an incomplete understanding of the disease. We analysed patterns of pneumonia-caused mortality over 14 years in 16 interconnected bighorn sheep populations to gain insights into underlying disease...
Watering the forest for the trees: An emerging priority for managing water in forest landscapes
Gordon E. Grant, Christina L. Tague, Craig D. Allen
2013, Frontiers in Ecology and the Environment (11) 314-321
Widespread threats to forests resulting from drought stress are prompting a re-evaluation of priorities for water management on forest lands. In contrast to the widely held view that forest management should emphasize providing water for downstream uses, we argue that maintaining forest health in the context of a changing climate...
The Cambrian-Ordovician rocks of Sonora, Mexico, and southern Arizona, southwestern margin of North America (Laurentia)
William R. Page, Alta C. Harris, John E. Repetski
James R. Derby, R.D. Fritz, S.A. Longacre, W.A. Morgan, C.A. Sternbach, editor(s)
2013, Book chapter, The great American carbonate bank: The geology and economic resources of the Cambrian-Ordovician Sauk megasequence of Laurentia
Cambrian and Ordovician shelf, platform, and basin rocks are present in Sonora, Mexico, and southern Arizona and were deposited on the southwestern continental margin of North America (Laurentia). Cambrian and Ordovician rocks in Sonora, Mexico, are mostly exposed in scattered outcrops in the northern half of the state. Their discontinuous nature results...
Review of oil families and their petroleum systems of the Williston Basin
Paul G. Lillis
2013, Mountain Geologist (50) 5-31
The petroleum system concept was first applied in 1974 (Dow/Williams) to identify three oil systems in the Williston Basin, and recent studies have expanded the number to at least nine. This paper reviews the petroleum geochemistry, oil-oil, and oil-source correlations of the oil systems of the Williston Basin, providing...
Effects of canopy tree species on belowground biogeochemistry in a lowland wet tropical forest
Adrienne B. Keller, Sasha C. Reed, Alan R. Townsend, Cory C. Cleveland
2013, Soil Biology and Biochemistry (58) 61-69
Tropical rain forests are known for their high biological diversity, but the effects of plant diversity on important ecosystem processes in this biome remain unclear. Interspecies differences in both the demand for nutrients and in foliar and litter nutrient concentrations could drive variations in both the pool sizes and fluxes...
Broad timescale forcing and geomorphic mediation of tidal marsh flow and temperature dynamics
Christopher Enwright, Steven Culberson, Jon R. Burau
2013, Estuaries and Coasts (36) 1319-1339
Tidal marsh functions are driven by interactions between tides, landscape morphology, and emergent vegetation. Less often considered are the diurnal pattern of tide extremes and seasonal variation of solar insolation in the mix of tidal marsh driver interactions. This work demonstrates how high-frequency hydroperiod and water temperature variability emerges from...
Tamarisk in riparian woodlands: A bird’s eye view
Mark K. Sogge, Eben H. Paxton, Charles van Riper III
Anna Sher, Martin F. Quigley, editor(s)
2013, Book chapter, Tamarix: a case study of ecological change in the American West
This chapter presents a “bird's eye” view of tamarisk and examines some issues surrounding the management of tamarisk in riparian woodlands. The focus on birds is based on the fact that they are a relatively well-studied group that can provide important insights into the role of tamarisk in riparian ecosystems....
Semidiurnal temperature changes caused by tidal front movements in the warm season in seabed habitats on the Georges Bank northern margin and their ecological implications
Vincent G. Guida, Page C. Valentine, Leslie B. Gallea
2013, PLoS ONE (8)
Georges Bank is a large, shallow feature separating the Gulf of Maine from the Atlantic Ocean. Previous studies demonstrated a strong tidal-mixing front during the warm season on the northern bank margin between thermally stratified water in the Gulf of Maine and mixed water on the bank. Tides transport warm...
NDVI saturation adjustment: a new approach for improving cropland performance estimates in the Greater Platte River Basin, USA
Yingxin Gu, Bruce K. Wylie, Daniel M. Howard, Khem P. Phuyal, Lei Ji
2013, Ecological Indicators (30) 1-6
In this study, we developed a new approach that adjusted normalized difference vegetation index (NDVI) pixel values that were near saturation to better characterize the cropland performance (CP) in the Greater Platte River Basin (GPRB), USA. The relationship between NDVI and the ratio vegetation index (RVI) at high NDVI values...
Report A: Fish distribution and population dynamics in Rock Creek, Klickitat County, Washington
Brady Allen, Carrie S. Munz, Elaine Harvey
2013, Report, Rock Creek fish and habitat assessment for prioritization of restoration and protection actions
The U.S. Geological Survey collaborated with the Yakama Nation starting in fall of 2009 to study the fish populations in Rock Creek, a Washington State tributary of the Columbia River 21 kilometers upstream of John Day Dam. Prior to this study, very little was known about the ESA-listed (threatened) Mid-Columbia...
A Structured approach to incidental take decision making
Conor P. McGowan
2013, Environmental Management (51) 241-250
Decision making related to incidental take of endangered species under U.S. law lends itself well to a structured decision making approach. Incidental take is the permitted killing, harming, or harassing of a protected species under the law as long as that harm is incidental to an otherwise lawful activity and...
An evaluation of automated GIS tools for delineating karst sinkholes and closed depressions from 1-meter LIDAR-derived digital elevation data
Daniel H. Doctor, John A. Young
2013, Conference Paper, Sinkholes and the Engineering and Environmental Impacts of Karst: Proceedings of the Thirteenth Multidisciplinary Conference
LiDAR (Light Detection and Ranging) surveys of karst terrains provide high-resolution digital elevation models (DEMs) that are particularly useful for mapping sinkholes. In this study, we used automated processing tools within ArcGIS (v. 10.0) operating on a 1.0 m resolution LiDAR DEM in order to delineate sinkholes and closed depressions...
Deer density and disease prevalence influence transmission of Chronic Wasting Disease in White-tailed Deer
Michael D. Samuel, Bryan J. Richards, Daniel J. Storm, Robert E. Rolley, Paul Shelton, Nicholas S. Keuler, Timothy R. Van Deelen
2013, Ecosphere (4) 1-14
Host-parasite dynamics and strategies for managing infectious diseases of wildlife depend on the functional relationship between disease transmission rates and host density. However, the disease transmission function is rarely known for free-living wildlife, leading to uncertainty regarding the impacts of diseases on host populations and effective control actions. We evaluated...
Nest success of grassland birds in oak barrens and dry prairies in west central Wisconsin
Susan M. Vos, Christine Ribic
2013, Northeastern Naturalist (20) 131-142
We investigated nesting success of grassland birds on dry prairie and oak barrens patches embedded within a forested matrix on Fort McCoy Military Installation. We monitored 280 nests of 9 grassland-bird species from mid-May to late July 2000–2002. Pooecetes gramineus (Vesper Sparrow) andAmmodramus savannarum (Grasshopper Sparrow) were the most abundant nesting species. Vesper...
Re-introduction of Bobcats to Cumberland Island, Georgia, USA: Status and lessons learned after 25 years
Duane R. Diefenbach, Leslie A. Hansen, Cassandra Miller-Butterworth, Justin H. Bohling, Robert J. Warren, Michael J. Conroy
Pritpal S. Soorae, editor(s)
2013, Book chapter, Global re-introduction perspectives: 2013: Further case-studies from around the globe
The bobcat (Lynx rufus) is a medium-sized spotted cat (4 - 18 kg), widely distributed in North America. Bobcats are legally harvestable in most of their range, and are currently classified as Least Concern by IUCN and listed in Appendix II of CITES, due to similarity of appearance with other...
On estimating the economic value of insectivorous bats: Prospects and priorities for biologists
Justin G. Boyles, Catherine L. Sole, Paul M. Cryan, Gary F. McCracken
2013, Book chapter, Bat evolution, ecology, and conservation
Bats are among the most economically important nondomesticated mammals in the world. They are well-known pollinators and seed dispersers, but crop pest suppression is probably the most valuable ecosystem service provided by bats. Scientific literature and popular media often include reports of crop pests in the diet of bats and...
Riparian restoration in the context of Tamarix control in the western United States: Chapter 23
Patrick B. Shafroth, David M. Merritt, Mark K. Briggs, Vanessa B. Beauchamp, Kenneth D. Lair, Michael L. Scott, Anna Sher
Anna Sher, Martin F. Quigley, editor(s)
2013, Book chapter
This chapter focuses on the restoration of riparian systems in the context of Tamarix control—that is, Tamarix-dominated sites are converted to a replacement vegetation type that achieves specific management goals and helps return parts of the system to a desired and more natural state or dynamic. It reviews research related...
Characterization and remediation of iron(III) oxide-rich scale in a pipeline carrying acid mine drainage at Iron Mountain Mine, California, USA
Kate M. Campbell, Charles N. Alpers, D. Kirk Nordstrom, Alex E. Blum, Amy Williams
A. Brown, L. Figueroa, C. Wolkersdorfer, editor(s)
2013, Conference Paper, Reliable mine water technology: Proceedings of the International Mine Water Association Annual Conference 2013, August 6-9, 2013, Golden, Colorado, USA
http://imwa.info/docs/imwa_2013/IMWA2013_Campbell_481.pdf...
Severe reduction in genetic variation in a montane isolate: The endangered Mount Graham red squirrel (Tamiasciurus hudsonicus grahamensis)
Robert R. Fitak, John L. Koprowski, Melanie Culver
2013, Conservation Genetics (14) 1233-1241
The Mount Graham red squirrel (Tamiasciurus hudsonicus grahamensis; MGRS) is endemic to the Pinaleño Mountains of Arizona at the southernmost extent of the species’ range. The MGRS was listed as federally endangered in 1987, and is currently at high risk of extinction due to declining population size and...
