Harvest as a tool to manage populations of undesirable or overabundant fish and wildlife
Craig P. Paukert, Elisabeth B. Webb, Drew N. Fowler, Corbin D. Hilling
2021, Book chapter, Harvest of fish and wildlife: New paradigms for sustainable management
Harvest is a common management tool for fish and game species and can also be used for overabundant populations when stakeholders want to reduce populations reduced and still provide recreational opportunities. The authors propose a framework to determine if harvest can be used to control populations when overabundance is an...
Direct and size-mediated effects of temperature and ration-dependent growth rates on energy reserves in juvenile anadromous alewives (Alosa pseudoharengus)
Liang Guo, Stephen D. McCormick, Eric T. Schultz, Adrian Jordaan
2021, Journal of Fish Biology (99) 1236-1246
Growth rate and energy reserves are important determinants of fitness and are governed by endogenous and exogenous factors. Thus, examining the influence of individual and multiple stressors on growth and energy reserves can help estimate population health under current and future conditions. In young anadromous fishes, freshwater habitat quality determines...
Integrating wildlife habitat models with state-and-transitions models to enhance the management of rangelands for multiple objectives
Jennifer M. Timmer, Crystal Y. Tipton, Retta A. Bruegger, David J. Augustine, Christopher P.K. Dickey, Maria E. Fernandez-Gimenez, Cameron L. Aldridge
2021, Rangeland Ecology and Management (78) 15-25
State-and-transition models (STMs) are tools used in rangeland management to describe linear and nonlinear vegetation dynamics as conceptual models. STMs can be improved by including additional ecosystem services, such as wildlife habitat, so that managers can predict how local populations might respond to state changes and to...
NGA-East ground-motion characterization model Part II: Implementation and hazard implications
Robert Youngs, Christine A. Goulet, Yousef Bozorgnia, Nicolas Kuehn, Linda Al Atik, Robert Graves, Gail M. Atkinson
2021, Earthquake Spectra (37) 1283-1330
As a companion article to Goulet et al., we describe implementation of the NGA-East ground motion characterization (GMC) model in probabilistic seismic hazard analysis (PSHA) for sites in the Central and Eastern United States (CEUS). We present extensions to the EPRI/DOE/NRC seismic source characterization (SSC) model for...
A hidden Markov model for estimating age-specific survival when age and size are uncertain
Timothy A. Gowan, Michael D. Tringali, Jeffrey A. Hostetler, Julien Martin, Leslie I. Ward-Geiger, Jennifer M Johnson
2021, Ecology (102)
Estimates of age-specific survival probabilities are needed for age-structured population models and to inform conservation decisions. However, determining the age of individuals in wildlife populations is often problematic. We present a hidden Markov model for estimating age-specific survival from capture–recapture or capture–recapture–recovery data when age is...
Relative risk of groundwater-quality degradation near California (USA) oil fields estimated from 3H, 14C, and 4He
Peter B. McMahon, Matthew K. Landon, Tracy Davis, Michael Wright, Celia Z. Rosecrans, Robert Anders, Michael Land, Justin T. Kulongoski, Andrew G. Hunt
2021, Applied Geochemistry (131)
Relative risks of groundwater-quality degradation near selected California oil fields are estimated by examining spatial and temporal patterns in chemical and isotopic data in the context of groundwater-age categories defined by tritium and carbon-14. In the Coastal basins, western San Joaquin Valley (SJV),...
Deposit classification scheme for the Critical Minerals Mapping Initiative Global Geochemical Database
Albert H. Hofstra, Vladimir Lisitsin, Louise Corriveau, Suzanne Paradis, Jan Peter, Kathleen Lauziere, Christopher Lawley, Michael Gadd, Jean-Luc Pilote, Ian Honsberger, Evgeniy Bastrakov, David C. Champion, Karol Czarnota, Michael P. Doublier, David L. Huston, Oliver Raymond, Simon VanDerWielen, Poul Emsbo, Matthew Granitto, Douglas C. Kreiner
2021, Open-File Report 2021-1049
A challenge for the global economy is to meet the growing demand for commodities used in today’s advanced technologies. Critical minerals are commodities (for example, elements, compounds, minerals) deemed vital to the economic and national security of individual countries that are vulnerable to supply disruption. The national geological agencies of...
Oxygen-controlled recirculating seepage meter reveals extent of nitrogen transformation in discharging coastal groundwater at the aquifer–estuary interface
Thomas W. Brooks, Kevin D. Kroeger, Holly A. Michael, Joanna K. York
2021, Limnology and Oceanography (66) 3055-3069
Nutrient loads delivered to estuaries via submarine groundwater discharge (SGD) play an important role in the nitrogen (N) budget and eutrophication status. However, accurate and reliable quantification of the chemical flux across the final decimeters and centimeters at the sediment–estuary interface remains a challenge, because there...
Online-coupling of widely-ranged timescales to model coral reef development
Gijs Hendrickx, Peter M. J. Herman, Jasper T. Dijkstra, Curt D. Storlazzi, Lauren T. Toth
2021, Environmental Modeling and Software (143)
The increasing pressure on Earth's ecosystems due to climate change is becoming more and more evident and the impacts of climate change are especially visible on coral reefs. Understanding how climate change interacts with the physical environment of reefs to impact coral growth and reef development is critically important to...
Effects of climate and irrigation on GRACE-based estimates of water storage changes in major US aquifers
Bridget R. Scanlon, Ahsraf Rateb, Donald R. Pool, Ward E. Sanford, Himanshu Save, Alexander Y. Sun, Di Long, Brian Fuchs
2021, Environmental Research Letters (16)
Understanding climate and human impacts on water storage is critical for sustainable water-resources management. Here we assessed climate and human drivers of total water storage (TWS) variability from Gravity Recovery and Climate Experiment (GRACE) satellites compared with drought severity and irrigation water use in 14 major aquifers...
The roles of environmental variation and parasite survival in virulence–transmission relationships
Wendy Christine Turner, Pauline L. Kamath, Henriette van Heerden, Yen-Hua Huang, Zoe R. Barandongo, Spencer A. Bruce, Kyrre Kausrud
2021, Royal Society Open Science (8)
Disease outbreaks are a consequence of interactions among the three components of a host–parasite system: the infectious agent, the host and the environment. While virulence and transmission are widely investigated, most studies of parasite life-history trade-offs are conducted with theoretical models or tractable experimental systems where transmission is standardized and...
Use of dissolved oxygen monitoring to evaluate phosphorus loading in Connecticut streams, 2015–18
Brittney Izbicki, Jonathan Morrison
2021, Scientific Investigations Report 2021-5024
The Connecticut Department of Energy and Environmental Protection (CT DEEP) has developed an interim phosphorus reduction strategy to establish water-quality-based phosphorus limits in nontidal freshwaters for industrial and municipal water pollution control facilities. A recommendation in the strategy included the addition of diurnal dissolved oxygen (DO) sampling to the sampling...
Short‐period surface‐wave tomography in the continental United States— A resource for research
R. B. Herrmann, C. J. Ammon, Harley M. Benz, A. Aziz-Zanjani, J. Boschelli
2021, Seismological Research Letters (92) 3642-3656
The variation of phase and group velocity dispersion of Love and Rayleigh waves was determined for the continental United States and adjacent Canada. By processing ambient noise from the broadband channels of the Transportable Array (TA) of USArray and several Program for the Array Seismic...
Sediment concentrations and loads upstream from and through John Redmond Reservoir, east-central Kansas, 2010–19
Ariele R. Kramer, Cara L. Peterman-Phipps, Matthew D. Mahoney, Bradley S. Lukasz
2021, Scientific Investigations Report 2021-5037
Streambank erosion and reservoir sedimentation are primary concerns of resource managers in Kansas and throughout many regions of the United States and negatively affect flood control, water supply, and recreation. The Cottonwood and upper Neosho Rivers drain into John Redmond Reservoir, and since reservoir completion in 1964, there has been...
Multivariate classification of the crude oil petroleum systems in southeast Texas, USA, using conventional and compositional data analysis of biomarkers
Ricardo A. Olea, J. A Martin-Fernandez, William H. Craddock
Peter Fitzmoser, Karel Hron, Josep Antoni Martin-Fernandez, Javier Palarea-Albaladejo, editor(s)
2021, Book chapter, Advances in compositional data analysis—Festschrift in honor of Vera-Pawlowsky-Glahn
Chemically, petroleum is an extraordinarily complex mixture of different types of hydrocarbons that are now possible to isolate and identify because of advances in geochemistry. Here, we use biomarkers and carbon isotopes to establish genetic differences and similarities among oil samples. Conventional approaches for evaluating biomarker and carbon isotope relative...
Modeling opportunistic exploitation: Increased extinction risk when targeting more than one species
S. Thurner, Sarah J. Converse, Trevor A. Branch
2021, Ecological Modelling (454)
Extinction rates are increasing globally, and direct exploitation is an important driver. Many pathways have been proposed to explain how exploitation can lead to extinction. One of these proposed but understudied multispecies pathways is opportunistic exploitation, which occurs when a highly valuable but rare species is encountered and targeted during exploitation of...
A survey of storm-induced seaward-transport features observed during the 2019 and 2020 hurricane seasons
Jin-Si R. Over, Jenna A. Brown, Christopher R. Sherwood, Christie Hegermiller, Phillipe Alan Wernette, Andrew C. Ritchie, Jonathan A. Warrick
2021, Shore and Beach (89) 31-40
Hurricanes are known to play a critical role in reshaping coastlines, but often only impacts on the open ocean coast are considered, ignoring seaward-directed forces and responses. The identification of subaerial evidence for storm-induced seaward transport is a critical step towards understanding its impact on coastal resiliency. The visual features,...
Watersheds and drainage networks
Larry Stanislawski, Ethan J. Shavers
2021, Book chapter, The geographic information science & technology body of knowledge
This topic is an overview of basic concepts about how the distribution of water on the Earth, with specific regard to watersheds, stream and river networks, and waterbodies are represented by geographic data. The flowing and non-flowing bodies of water on the earth’s surface...
New interpretations of the ages and origins of the Hawkeye Granite Gneiss and Lyon Mountain Granite Gneiss, Adirondack Mountains, NY: Implications for the nature and timing of Mesoproterozoic plutonism, metamorphism, and deformation
John N. Aleinikoff, Gregory J. Walsh, Ryan J. McAleer
2021, Precambrian Research (358)
The Hawkeye Granite Gneiss and Lyon Mountain Granite Gneiss are widespread Mesoproterozoic plutonic rocks that occur in the amphibolite- to granulite-facies Adirondack Highlands of northern New York, USA. The strongly deformed Hawkeye Granite Gneiss, previously dated by zircon multi-grain thermal ionization mass spectrometry (TIMS) U-Pb analyses at about 1100 Ma,...
3-D Modeling of the Duluth Complex from geophysical data
Dana E. Peterson, Paul A. Bedrosian, Carol A. Finn
2021, Conference Paper, 67th Institute on Lake Superior Geology Proceedings
The Mesoproterozoic Duluth Complex in northeastern Minnesota is one of the major plutonic components of the Midcontinent Rift System and hosts a variety of copper-nickel sulfide and platinum-group element deposits. The Duluth Complex is composed of a series of individual mafic and felsic intrusions emplaced 1110-1098 Ma within Paleoproterozoic sedimentary...
Integration of geophysical evidence suggests that anorthosite composes a significant portion of Grand Marais ridge, an inferred basement high in western Lake Superior
V. J. Grauch, Samuel J. Heller
2021, Conference Paper, Institute on Lake Superior Geology: Proceedings 2021
The Midcontinent Rift System (MRS) is expressed geophysically by a semi-linear, regional gravity high that trends across the Midcontinent and Great Lakes region of North America. The gravity high is interrupted by two prominent, semi-circular gravity lows, which have been interpreted from modeling and seismic-reflection sections as basement highs of...
Field evaluation of an improved solid TFM formulation for use in treating small tributary streams
James A. Luoma, Nicholas Robertson, Justin R. Schueller, Nicholas Schloesser, Todd Johnson, Todd J. Severson, Matthew J. Meulemans, Erica Muelemans
2021, Report
A solid lampricide formulation containing 23% 3-trifluoromethyl-4-nitrophenol (TFM) as the active ingredient was developed in the mid-1980s for use in small tributaries of dendritic streams during routine treatments to kill larval sea lamprey. This TFM bar formulation was designed to use a matrix of commercially prepared surfactants that would dissolve...
Alaska landbird montoring survey: Alaska regional protocol framework for monitoring landbirds using point counts
Colleen M. Handel, Steven M. Matsuoka, Melissa N. Cady, Diane A. Granfors
2021, Report
Alaska provides habitat for 143 species of landbirds that occur regularly in the state, about half of which breed predominantly north of the border between the contiguous United States and Canada. The road-based North American Breeding Bird Survey (BBS) provides some data on population trends in Alaska, but most northern...
Improving species status assessments under the U.S. Endangered Species Act and implications for multispecies conservation challenges worldwide
Reed Noss, Jennifer M. Cartwright, Dwayne Estes, Theo Witsell, Gregg Elliott, Daniel S. Adams, Matthew A. Albrecht, Ryan Boyles, Patrick Comer, Chris Doffitt, JoVonn G. Hill, William C. Hunter, Wesley M. Knapp, Mike Marshall, Jason R. Singhurst, Christopher Tracey, Jeffrey L. Walck, Alan Weakley
2021, Conservation Biology (35) 1715-1724
Despite its successes, the U.S. Endangered Species Act (ESA) has proven challenging to implement due to funding limitations, workload backlog, and other problems. As threats to species survival intensify and as more species come under threat, the need for the ESA and similar conservation laws and policies in other countries...
Quantification of manganese for ChemCam Mars and laboratory spectra using a multivariate model
Patrick J. Gasda, Ryan B. Anderson, A. Cousin, O. Forni, S. M. Clegg, A. Ollila, Nina L. Lanza, S Lamm, Roger C. Wiens, Sylvestre Maurice, Olivier Gasnault, R. Beal, A. Reyes-Newell, D. Delapp
2021, Spectrochimica Acta B (181)
We report a new calibration model for manganese using the laser-induced breakdown spectroscopy instrument that is part of the ChemCam instrument suite onboard the NASA Curiosity rover. The model has been trained using an expanded set of 523 manganese-bearing rock, mineral, metal ore, and synthetic standards. The...
