Differences in rhizosphere microbial communities between native and non‐native Phragmites australis may depend on stand density
Wesley A. Bickford, Donald R. Zak, Kurt P. Kowalski, Deborah E. Goldberg
2020, Ecology and Evolution (10) 11739-11751
Microorganisms surrounding plant roots may benefit invasive species through enhanced mutualism or decreased antagonism, when compared to surrounding native species. We surveyed the rhizosphere soil microbiome of a prominent invasive plant, Phragmites australis, and its co‐occurring native subspecies for evidence of microbial drivers of invasiveness. If the...
Climate, sea level, and people - Changing South Florida's mangrove coast
G. Lynn Wingard
2020, Book chapter
South Florida’s coast is a land of contrasts that appeals to almost everyone, whether they seek out quiet natural environments along the mangrove waterways and in the wilderness of the Everglades or vibrant international culture in Miami. Yet this paradise is threatened by a number of forces – changing climate, rising...
Timescale methods for simplifying, understanding and modeling biophysical and water quality processes in coastal aquatic ecosystems: A review
Lisa Lucas, Eric Deleersnijder
2020, Water (12)
In this article, we describe the use of diagnostic timescales as simple tools for illuminating how aquatic ecosystems work, with a focus on coastal systems such as estuaries, lagoons, tidal rivers, reefs, deltas, gulfs, and continental shelves. Intending this as a tutorial as well as a review, we discuss relevant...
Potentiometric surfaces, 2011–12, and water-level differences between 1995 and 2011–12, in wells of the “200-foot,” “500-foot,” and “700-foot” sands of the Lake Charles area, southwestern Louisiana
Vincent E. White, Jason M. Griffith
2020, Scientific Investigations Map 3460
Water levels were determined in 90 wells to prepare 2011–12 potentiometric surfaces focusing primarily on the “200-foot,” 500-foot,” and “700-foot” sands of the Lake Charles area, which are part of the Chicot aquifer system underlying Calcasieu and Cameron Parishes of southwestern Louisiana. These three aquifers provided 34 percent of the...
The collection and analysis of Bay of Fundy sediment under contract between the association of US delegates to the Gulf of Maine Council on the marine environment and eastern Charlotte waterways for contaminant monitoring and analysis
James S Latimer, David Page, Adria Elskus, Lawrence A LeBlanc, Gareth Harding, Peter G Wells
2020, Report
This report presents data obtained through the EcoSystem Indicator Partnership (ESIP) which was established in 2006 to improve understanding and to inform researchers, managers, and citizens about the status and trends of ecosystem health in the Gulf of Maine (http://www.gulfofmaine.org/2/esip-homepage/). In its efforts to compile information on contaminant indicators in...
Toward improving pollinator habitat: Reconstructing prairies with high forb diversity
Pauline Drobney, Diane L. Larson, Jennifer L Larson, Karen Viste-Sparkman
2020, Natural Areas Journal (40) 252-261
Reconstructed prairies can provide habitat for pollinating insects, an important ecosystem service. To optimize reconstructions for pollinators, goals may include enhancing flowering plant cover and richness and increasing bloom availability early and late in the growing season. Resistance to invasive exotic species must also be a goal in any reconstruction,...
Comparing simulations of umbrella-cloud growth and ash transport with observations from Pinatubo, Kelud, and Calbuco volcanoes
Larry G. Mastin, Alexa R. Van Eaton
2020, Atmosphere (11)
The largest explosive volcanic eruptions produce umbrella clouds that drive ash radially outward, enlarging the area that impacts aviation and ground-based communities. Models must consider the effects of umbrella spreading when forecasting hazards from these eruptions. In this paper we test a version of the advection–dispersion model Ash3d that considers...
Effects of dewatering on behavior, distribution, and abundance of larval lampreys
Julianne E. Harris, Joseph J. Skalicky, Theresa L. Liedtke, Lisa K. Weiland, Benjamin J. Clemens, Ann E. Gray
2020, River Research and Applications (36) 2001-2012
Anthropogenic dewatering of aquatic habitats can cause stranding and mortality of burrowed larval lampreys; however, the effects of dewatering have not been quantified. We assessed: (a) changes in spatial distribution, abundance, and emergence of larvae dewatered at Leaburg Reservoir (OR); (b) emergence and mortality of larvae dewatered in a laboratory;...
Modeling soil porewater salinity in mangrove forests (Everglades, Florida, USA) impacted by hydrological restoration and a warming climate
Xiaochen Zhao, Victor H. Rivera-Monroy, Hongqing Wang, Zuo Xue, Cheng-Feng Tsai, C. S. Willson, E. Castañeda-Moya, Robert R. Twilley
2020, Ecological Modelling (436)
Hydrology is a critical driver controlling mangrove wetlands structural and functional attributes at different spatial and temporal scales. Yet, human activities have negatively affected hydrology, causing mangrove diebacks and coverage loss worldwide. In fact, the assessment of mangrove water budgets, impacted by natural and human disturbances, is limited due to...
Climate- versus geographic-dependent patterns in the spatial distribution ofmacroinvertebrate assemblages in New World depressional wetlands
C. Stenert, M.M. Pires, L.B. Epele, M.G. Grech, L. Maltchik, Kyle McLean, David M. Mushet, D.P. Batzer
2020, Global Change Biology (26) 6895-6903
Analyses of biota at lower latitudes may presage impacts of climate change on biota at higher latitudes. Macroinvertebrate assemblages in depressional wetlands may be especially sensitive to climate change because weather‐related precipitation and evapotranspiration are dominant ecological controls on habitats, and organisms of depressional wetlands are...
From lava to water: A new era at Kīlauea
Patricia A. Nadeau, Angela K. Diefenbach, Shaul Hurwitz, Donald A. Swanson
2020, Eos, Earth and Space Science News
No abstract available....
Illegal killing of nongame wildlife and recreational shooting in conservation areas
Todd E. Katzner, Jay D. Carlisle, Sharon A. Poessel, Eve C. Thomason, Benjamin P. Pauli, David S. Pilliod, James R. Belthoff, Julie A. Heath, Kristina J. Parker, Kevin S. Warner, Heather Hayes, Madeline Aberg, Patricia Ortiz, Sandra Amdor, Steven Alsup, Stephanie E. Coates, Tricia A. Miller, Zoe K. T. Duran
2020, Conservation Science and Practice (2)
Illegal killing of nongame wildlife is a global yet poorly documented problem. The prevalence and ecological consequences of illegal killing are often underestimated or completely unknown. We review the practice of legal recreational shooting and present data gathered from telemetry, surveys, and observations on its association with illegal killing of...
Integrating physical and economic data into experimental water accounts for the United States: Lessons and opportunities
Kenneth J. Bagstad, Zachary H. Ancona, Julie L. Hass, Pierre D. Glynn, Scott Wentland, Michael Vardon, John P. Fay
2020, Ecosystem Services (45)
Water management increasingly involves tradeoffs, making its accounting highly relevant in our interconnected world. Physical and economic data about water in many nations are becoming more widely integrated through application of the System of Environmental-Economic Accounts for Water (SEEA-Water), which enables...
Predicting bird guilds using vegetation composition and structure on a wild and scenic river in Arizona
Erin S. Cubley, Heather L. Bateman, Sidney B. Riddle, Christopher Holmquist-Johnson, David M. Merritt
2020, Wetlands (40) 1829-1842
Riparian areas are among the most ecologically diverse terrestrial ecosystems but make up <2% of landscape area in southwestern USA. Many species of resident and neotropical migratory birds utilize riparian habitats for breeding, foraging, and nesting. We quantified vegetation composition and structure to predict bird guilds...
Editorial: North American monarch butterfly ecology and conservation
James E. Diffendorfer, Wayne E. Thogmartin, Ryan G. Drum, Cheryl Schultz
Maria L. Pappas, editor(s)
2020, Frontiers in Ecology and Conservation (8)
Spanning Canada, the United States, and Mexico, North America contains two populations of the migratory monarch butterfly (Danaus plexippus). The smaller “western” population overwinters in groves along the California coast and breeds west of the Rocky Mountains, while the much larger “eastern” population breeds east of the Rocky Mountains...
Sea‐level rise will drive divergent sediment transport patterns on fore reefs and reef flats, potentially causing erosion on atoll islands
James F Bramante, Andrew D Ashton, Curt D. Storlazzi, Olivia M. Cheriton, Jeffrey P. Donnelly
2020, Journal of Geophysical Research – Earth Surface (125)
Atoll reef islands primarily consist of unconsolidated sediment, and their ocean‐facing shorelines are maintained by sediment produced and transported across their reefs. Changes in incident waves can alter cross‐shore sediment exchange and, thus, affect the sediment budget and morphology of atoll reef islands. Here we investigate...
Age-0 Smallmouth Bass abundance depends on physicochemical conditions and stream network position
Andrew D. Miller, Shannon K. Brewer
2020, Ecosphere (11)
Stream fish survival and recruitment are products of a physicochemical environment that affects growth and provides refuge; yet, the drivers of spatiotemporal variation in juvenile fish abundance remain unclear. Understanding how physicochemical conditions drive spatial and temporal patterns in fish abundances provides insight into how conditions...
Wildlife resistance and protection in a changing New England landscape
Schuyler B. Pearman-Gillman, Matthew J. Duveneck, James D. Murdoch, Therese M. Donovan
2020, PLoS ONE (15)
Rapid changes in climate and land use threaten the persistence of wildlife species. Understanding where species are likely to occur now and in the future can help identify areas that are resistant to change over time and guide conservation planning. We estimated changes in species distribution patterns and spatial resistance...
Harmonizing the Landsat ground reference with the Sentinel-2 Global Reference Image using space-based bundle adjustment
Rajagopalan Rengarajan, James C. Storey, Michael J. Choate
2020, MDPI Remote Sensing (12)
There is an ever-increasing need to use accurate and consistent geometric ground reference in the processing of remotely sensed data products as it reduces the burden on the end-users to account for the differences between the data products from different missions. In this regard, United States Geological Survey (USGS) initiated...
Field evaluation of the Sequoia Scientific LISST-ABS acoustic backscatter sediment sensor
Adam E. Manaster, Timothy D. Straub, Molly S. Wood, Joseph M. Bell, Daniel E. Dombroski, Christopher A. Curran
2020, Open-File Report 2020-1096
Sequoia Scientific’s LISST-ABS is a submersible acoustic instrument that measures the acoustic backscatter sensor (ABS) concentration at a point within a river, stream, or creek. Compared to traditional physical methods for measuring suspended-sediment concentration (SSC), sediment surrogates like the LISST-ABS offer continuous data that can be calibrated with physical SSC...
The effects of management practices on grassland birds—Nelson’s Sparrow (Ammospiza nelsoni nelsoni)
Jill A. Shaffer, Lawrence D. Igl, Douglas H. Johnson, Marriah L. Sondreal, Christopher M. Goldade, Paul A. Rabie, Betty R. Euliss
2020, Professional Paper 1842-KK
The key to Nelson’s Sparrow (Ammospiza nelsoni nelsoni) management is providing dense grasses or emergent vegetation near damp areas or freshwater wetlands. Nelson’s Sparrows have been reported to use habitats with 20–122 centimeters (cm) average vegetation height, 41 cm visual obstruction reading, 40–58 percent grass cover, 24 percent forb cover,...
Migratory status determines resource selection by American Woodcock at an important fall stopover, Cape May, New Jersey
Brian L. Allen, Daniel McAuley, Erik J. Blomberg
2020, The Condor
Migration is a period of high activity and exposure during which risks and energetic demand on individuals may be greater than during nonmigratory periods. Stopover locations can help mitigate these threats by providing supplemental energy en route to the animal’s end destination. Effective conservation of migratory species therefore requires...
Why did Great Basin Eocene magmatism generate Carlin-type gold deposits when extensive Jurassic to Middle Miocene magmatism did not? Lessons from the Cortez Region, Northern Nevada, USA
Christopher D. Henry, David A. John, Matt T. Heizler, Robert W. Leonardson, Joseph P. Colgan, Kathryn E. Watts, Michael W. Ressel, Brian L. Cousens
2020, Conference Paper, Vision for discovery: Geological Society of Nevada symposium proceedings
No abstract available....
Geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within northern Medina County, Texas
Allan K. Clark, Robert E. Morris, Diana E. Pedraza
2020, Scientific Investigations Map 3461
The karstic Edwards and Trinity aquifers are classified as major sources of water in south-central Texas by the Texas Water Development Board. During 2018–20 the U.S. Geological Survey, in cooperation with the Edwards Aquifer Authority, mapped and described the geologic framework and hydrostratigraphy of the rocks composing the Edwards and...
Investigation of the 2018 thick-billed murre (Uria lomvia) die-off on St. Lawrence Island rules out food shortage as the cause
Alexis Will, Jean-Baptiste Thiebot, S. Ip, Panguk Shoogukwruk, Morgan Annogiyuk, Akinori Takahashi, Valerie I. Shearn-Bochsler, Mary-Lea Killian, Mia Kim Torchetti, Alexander Kitaysky
2020, Deep Sea Research Part II: Topical Studies in Oceanography (181-182)
Die-offs of seabirds in Alaska have occurred with increased frequency since 2015. In 2018, on St. Lawrence Island, seabirds were reported washing up dead on beaches starting in late May, peaking in June, and continuing until early August. The cause of...
