MODIS derived vegetation index for drought detection on the San Carlos Apache Reservation
Zhuoting Wu, Miguel G. Velasco, Jason McVay, Barry R. Middleton, John M. Vogel, Dennis G. Dye
2016, International Journal of Advanced Remote Sensing and GIS (5) 1524-1538
A variety of vegetation indices derived from remotely sensed data have been used to assess vegetation conditions, enabling the identification of drought occurrences as well as the evaluation of drought impacts. Moderate Resolution Imaging Spectroradiometer (MODIS) Terra 8-day composite data were used to compute the Modified Soil Adjusted Vegetation Index...
Should fatty acid signature proportions sum to 1 for diet estimation?
Jeffrey F. Bromaghin, Suzanne M. Budge, Gregory W. Thiemann
2016, Ecological Research (31) 597-606
Knowledge of predator diets, including how diets might change through time or differ among predators, provides essential insights into their ecology. Diet estimation therefore remains an active area of research within quantitative ecology. Quantitative fatty acid signature analysis (QFASA) is an increasingly common method of diet estimation. QFASA is based...
Geologic map of the Morena Reservoir 7.5-minute quadrangle, San Diego County, California
Victoria R. Todd
2016, Open-File Report 95-50
IntroductionMapping in the Morena Reservoir 7.5-minute quadrangle began in 1980, when the Hauser Wilderness Area, which straddles the Morena Reservoir and Barrett Lake quadrangles, was mapped for the U.S. Forest Service. Mapping was completed in 1993–1994. The Morena Reservoir quadrangle contains part of a regional-scale Late Jurassic(?) to Early Cretaceous...
Small but tough: What can ecophysiology of croaking gourami Trichopsis vittatus (Cuvier 1831) tell us about invasiveness of non-native fishes in Florida?
Pamela J. Schofield, Jessica Schulte
2016, NeoBiota (28) 51-65
Trichopsis vittata (Cuvier, 1831) is a small, freshwater gourami (Fam: Osphronemidae) native to southeast Asia. It was first detected in Florida in the 1970s and seems to have persisted for decades in a small area. In this study, we documented T. <span...
Regional assessment of persistent organic pollutants in resident mussels from New Jersey and New York estuaries following Hurricane Sandy
Kelly L. Smalling, Ashok D. Deshpande, Heather S. Galbraith, Beth Sharack, DeMond Timmons, Ronald J. Baker
2016, Marine Pollution Bulletin (107) 432-441
Resident mussels are effective indicators of ecosystem health and have been utilized in national assessment and monitoring studies for over two decades. Mussels were chosen because contaminant concentrations in their tissues respond to changes in ambient environmental levels, accumulation occurs with little metabolic transformation and a substantial amount of historic...
One thousand years of fires: Integrating proxy and model data
Natalie M. Kehrwald, Julie C. Aleman, Michael Coughlan, Colin J. Courtney Mustaphi, Esther N. Githumbi, Brian I. Magi, Jennifer R. Marlon, Mitchell J. Power
2016, Frontiers of Biogeography (8)
The current fires raging across Indonesia are emitting more carbon than the annual fossil fuel emissions of Germany or Japan, and the fires are still consuming vast tracts of rainforest and peatlands. The National Interagency Fire Center (www.nifc.gov) notes that 2015 is one worst fire years on record in the...
Natural thorium resources and recovery: Options and impacts
Timothy Ault, Bradley S. Van Gosen, Steven Krahn, Allen Croff
2016, Nuclear Technology (194) 136-151
This paper reviews the front end of the thorium fuel cycle, including the extent and variety of thorium deposits, the potential sources of thorium production, and the physical and chemical technologies required to isolate and purify thorium. Thorium is frequently found within rare earth element–bearing minerals that exist in diverse...
Mink predation on brown trout in a Black Hills stream
Jacob L. Davis, Jerry W. Wilhite, Steven R. Chipps
2016, The Prairie Naturalist (48) 4-10
In the early 2000’s, declines in the brown trout (Salmo trutta) fishery in Rapid Creek, South Dakota, caused concern for anglers and fisheries managers. We conducted a radio telemetry study in 2010 and 2011 to identify predation mortality associated with mink, using hatchery-reared (2010) or wild (2011) brown trout....
Hierarchical species distribution models
Trevor J. Hefley, Mevin Hooten
2016, Current Landscape Ecology Reports (1) 87-97
Determining the distribution pattern of a species is important to increase scientific knowledge, inform management decisions, and conserve biodiversity. To infer spatial and temporal patterns, species distribution models have been developed for use with many sampling designs and types of data. Recently, it has been shown that count, presence-absence, and...
Seismic envelope-based detection and location of ground-coupled airwaves from volcanoes in Alaska
David Fee, Matthew M. Haney, Robin S. Matoza, Curt A.L. Szuberla, John J. Lyons, Christopher F. Waythomas
2016, Bulletin of the Seismological Society of America (106) 1024-1035
Volcanic explosions and other infrasonic sources frequently produce acoustic waves that are recorded by seismometers. Here we explore multiple techniques to detect, locate, and characterize ground‐coupled airwaves (GCA) on volcano seismic networks in Alaska. GCA waveforms are typically incoherent between stations, thus we use envelope‐based techniques in our analyses. For...
Patch occupancy of stream fauna across a land cover gradient in the southern Appalachians, USA
John R. Frisch, James T. Peterson, Kristen K. Cecala, John C. Maerz, C. Rhett Jackson, Ted L. Gragson, Catherine M. Pringle
2016, Hydrobiologia (773) 163-175
We modeled patch occupancy to examine factors that best predicted the prevalence of four functionally important focal stream consumers (Tallaperla spp., Cambarus spp.,Pleurocera proxima, and Cottus bairdi) among 37 reaches within the Little Tennessee River basin of the southern Appalachian Mountains, USA. We compared 34 models...
A low-disturbance capture technique for ground-nesting Double-crested Cormorants (Phalacrocorax auritus)
Karen Courtot, Daniel D. Roby, Lauren H. Kerr, Donald E. Lyons, Jessica Y. Adkins
2016, Waterbirds (39) 193-198
Capturing breeding adults of colonially nesting species can entail risks of nest failure and even colony abandonment, especially in species that react strongly to human disturbance. A low-disturbance technique for capturing specific adult Double-crested Cormorants (Phalacrocorax auritus) at a ground-nesting colony was developed to reduce these risks and is described...
The social, economic, and environmental importance of inland fish and fisheries
Abigail J. Lynch, Steven J. Cooke, Andrew M. Deines, Shannon D. Bower, David B. Bunnell, Ian G. Cowx, Vivian M. Nguyen, Joel K. Nohner, Kaviphone Phouthavong, Betsy Riley, Mark W. Rogers, William W. Taylor, Whitney Woelmer, So-Jung Youn, T. Douglas Beard Jr.
2016, Environmental Reviews (24) 115-121
Though reported capture fisheries are dominated by marine production, inland fish and fisheries make substantial contributions to meeting the challenges faced by individuals, society, and the environment in a changing global landscape. Inland capture fisheries and aquaculture contribute over 40% to the world’s reported finfish production from less than 0.01%...
Enhancing drought resilience with conjunctive use and managed aquifer recharge in California and Arizona
Bridget R. Scanlon, Robert C. Reedy, Claudia C. Faunt, Donald R. Pool, Kristine; Uhlman
2016, Environmental Research Letters (11)
Projected longer‐term droughts and intense floods underscore the need to store more water to manage climate extremes. Here we show how depleted aquifers have been used to store water by substituting surface water use for groundwater pumpage (conjunctive use, CU) or recharging groundwater with surface water (Managed Aquifer Recharge, MAR)....
Where the wild things are: A research agenda for studying wildlife-wilderness relationship
Michael K. Schwartz, Beth Hahn, Blake R. Hossack
2016, Journal of Forestry (114) 311-319
We explore the connection between US designated wilderness areas and wildlife with the goal of establishing a research agenda for better understanding this complex relationship. Our research agenda has two components. The first, “wildlife for wilderness,” considers the impact of wildlife on wilderness character. Whereas studies show that wildlife is...
A decision framework for identifying models to estimate forest ecosystem services gains from restoration
Zachary Christin, Kenneth J. Bagstad, Michael Verdone
2016, Forest Ecosystems (3)
Restoring degraded forests and agricultural lands has become a global conservation priority. A growing number of tools can quantify ecosystem service tradeoffs associated with forest restoration. This evolving “tools landscape” presents a dilemma: more tools are available, but selecting appropriate tools has become more challenging. We present a Restoration Ecosystem...
Book review: Advances in reintroduction biology of Australian and New Zealand fauna
Erin L. Muths
2016, Journal of Wildlife Management (80) 579-580
Reintroduction, and other forms of moving animals around the landscape, is an established action that has been used in the...
Mercury accumulation, and the mercury-PCB-sex interaction, in lake whitefish (Coregonus clupeaformis)
Charles P. Madenjian, Mark P. Ebener, David P. Krabbenhoft
2016, Environments (3)
We determined whole-fish Hg concentrations of 26 female and 34 male adult lake whitefish (Coregonus clupeaformis) from northern Lake Huron captured during November 2010. Subsampling from these 60 fish, Hg concentration was also determined in both the somatic tissue and ovaries (n=5), while methylmercury (MeHg) concentration was determined in whole...
Book review: New concepts and discoveries: the Geological Society of Nevada 2015 Symposium Proceedings
Warren C. Day
2016, Economic Geology (111) 543-546
The Nevada Geological Society has a long history of convening meetings and workshops focused on the geology and metallogeny of the western United States relevant to the mineral exploration and mining community across the Great Basin. One outgrowth of the Geological Society of Nevada’s 2015 Symposium is a two-volume set,...
Geologic and geochemical results from boreholes drilled in Yellowstone National Park, Wyoming, 2007 and 2008
Cheryl Jaworowski, David Susong, Henry Heasler, David Mencin, Wade Johnson, Rick Conrey, Jennipher Von Stauffenberg
2016, Open-File Report 2016-1028
Between 2007 and 2008, seven Earthscope Plate Boundary Observatory (PBO) boreholes ranging in depth from about 200 to 800 feet deep were drilled in and adjacent to the Yellowstone caldera in Yellowstone National Park, for the purpose of installing volcano monitoring instrumentation. Five of the seven boreholes were equipped...
Design for mosquito abundance, diversity, and phenology sampling within the National Ecological Observatory Network
D. Hoekman, Yuri P. Springer, C.M. Barker, R. Barrera, M.S. Blackmore, W.E. Bradshaw, D. H. Foley, Howard S. Ginsberg, M. H. Hayden, C. M. Holzapfel, S. A. Juliano, L. D. Kramer, S. L. LaDeau, T. P. Livdahl, C. G. Moore, R.S. Nasci, W.K. Reisen, H. M. Savage
2016, Ecosphere (7)
The National Ecological Observatory Network (NEON) intends to monitor mosquito populations across its broad geographical range of sites because of their prevalence in food webs, sensitivity to abiotic factors and relevance for human health. We describe the design of mosquito population sampling in the context of NEON’s long term continental...
Palaeodata-informed modelling of large carbon losses from recent burning of boreal forests
Ryan Kelly, Helene Genet, A. David McGuire, Feng Sheng Hu
2016, Nature Climate Change (6) 79-82
Wildfires play a key role in the boreal forest carbon cycle1, <a id="ref-link-2" title="Bond-Lamberty, B., Peckham, S. D., Ahl,...
Number of genera as a potential screening tool for assessing quality of bryophyte communities in Ohio wetlands
William Schumacher, Martin A. Stapanian, Barbara Andreas, Brian Gara
2016, Wetlands (36) 771-778
Bryophytes (mosses, liverworts, and hornworts) have numerous advantages as indicators of environmental quality. A quality assessment index for bryophyte species assemblages (BQAI) was developed for the State of Ohio, USA. Reliable identification of bryophytes to species often requires considerable training, practice, and time. In contrast, reliable identification to genera for...
Book review: Current perspectives on zinc deposits
Karen D. Kelley
2016, Economic Geology (111) 545-546
This book, published in 2015 by the Irish Association for Economic Geology (IAEG), is a compilation of papers and abstracts written by selected authors who attended the ZINC 2010 Conference in Cork, Ireland. Unlike most books produced each decade by the IAEG, which are focused primarily on achievements of the Irish and...
Optical properties of dissolved organic matter (DOM): Effects of biological and photolytic degradation
Angela Hansen, Tamara E. C. Kraus, Brian A. Pellerin, Jacob Fleck, Bryan D. Downing, Brian A. Bergamaschi
2016, Limnology and Oceanography (61) 1015-1032
Advances in spectroscopic techniques have led to an increase in the use of optical properties (absorbance and fluorescence) to assess dissolved organic matter (DOM) composition and infer sources and processing. However, little information is available to assess the impact of biological and photolytic processing on the optical properties of original...
