Rapid colonization of a Hawaiian restoration forest by a diverse avian community
Eben H. Paxton, Stephanie G. Yelenik, Tracy E. Borneman, Eli Rose, Richard J. Camp, Steve J. Kendall
2018, Restoration Ecology (26) 165-173
Deforestation of tropical forests has led to widespread loss and extirpation of forest bird species around the world, including the Hawaiian Islands which have experienced a dramatic loss of forests over the last 200–800 years. Given the important role birds play in forest ecosystem functions via seed dispersal and pollination,...
Using colony monitoring devices to evaluate the impacts of land use and nutritional value of forage on honey bee health
Matthew Smart, Clint Otto, Robert S. Cornman, Deborah D. Iwanowicz
2018, Agriculture (81) 1-14
Colony monitoring devices used to track and assess the health status of honey bees are becoming more widely available and used by both beekeepers and researchers. These devices monitor parameters relevant to colony health at frequent intervals, often approximating real time. The fine-scale record of hive condition can be further...
Strain partitioning in southeastern Alaska: Is the Chatham Strait Fault active?
Daniel S. Brothers, Julie L. Elliott, James E. Conrad, Peter J. Haeussler, Jared W. Kluesner
2018, Earth and Planetary Science Letters (481) 362-371
A 1200 km-long transform plate boundary passes through southeastern Alaska and northwestern British Columbia and represents one of the most seismically active, but poorly understood continental margins of North America. Although most of the plate motion is accommodated by the right-lateral Queen Charlotte–Fairweather Fault (QCFF) System, which has produced at least...
The size, distribution, and mobility of landslides caused by the 2015 Mw7.8 Gorkha earthquake, Nepal
Kevin Roback, Marin K. Clark, A. Joshua West, Dimitrios Zekkos, Li, Sean F. Gallen, Deepak Chamlagain, Jonathan W. Godt
2018, Geomorphology (301) 121-138
Coseismic landslides pose immediate and prolonged hazards to mountainous communities, and provide a rare opportunity to study the effect of large earthquakes on erosion and sediment budgets. By mapping landslides using high-resolution satellite imagery, we find that the 25 April 2015 Mw7.8 Gorkha earthquake and aftershock sequence produced at least...
Range position and climate sensitivity: The structure of among-population demographic responses to climatic variation
Staci M. Amburgey, David A. W. Miller, Evan H. Campbell Grant, Tracy A. G. Rittenhouse, Michael F. Benard, Jonathan L. Richardson, Mark C. Urban, Ward Hughson, Adrianne B. Brand, Christopher J. Davis, Carmen R. Hardin, Peter W. C. Paton, Christopher J. Raithel, Rick A. Relyea, A. Floyd Scott, David K. Skelly, Dennis E. Skidds, Charles K. Smith, Earl E. Werner
2018, Global Change Biology (24) 439-454
Species’ distributions will respond to climate change based on the relationship between local demographic processes and climate and how this relationship varies based on range position. A rarely tested demographic prediction is that populations at the extremes of a species’ climate envelope (e.g., populations in areas with the highest mean...
Detecting geothermal anomalies and evaluating LST geothermal component by combining thermal remote sensing time series and land surface model data
Mireia Romaguera, R. Greg Vaughan, J. Ettema, E. Izquierdo-Verdiguier, C. A. Hecker, van der Meer
2018, Remote Sensing of Environment (204) 534-552
This paper explores for the first time the possibilities to use two land surface temperature (LST) time series of different origins (geostationary Meteosat Second Generation satellite data and Noah land surface modelling, LSM), to detect geothermal anomalies and extract the geothermal component of LST, the LSTgt. We hypothesize that...
Diel predator activity drives a dynamic landscape of fear
Michel T. Kohl, Daniel R. Stahler, Matthew C. Metz, James D. Forester, Matthew J. Kauffman, Nathan Varley, P.J. White, Douglas W. Smith, Daniel R. MacNulty
2018, Ecological Monographs (88) 638-652
A “landscape of fear” (LOF) is a map that describes continuous spatial variation in an animal's perception of predation risk. The relief on this map reflects, for example, places that an animal avoids to minimize risk. Although the LOF concept is a potentially unifying theme in ecology that is often...
Size, growth, and density data for shallow-water sea urchins from Mexico to the Aleutian Islands, Alaska, 1956–2016
Thomas A Ebert, Louis Barr, James L. Bodkin, Dirk Burcham, Dominique Bureau, Henry Carson, Nancy Caruso, Jennifer E. Caselle, Jeremy Claisse, Sabrina Clemente, Kathryn Davis, Paul Detwiler, John Dixon, David Duggins, John Engle, James Estes, Scott Groth, Benjamin Grupe, Peter Halmay, Kyle Hebert, Jose Carlos Hernandez, Laura J. Jurgens, Peter Kalvass, Michael C. Kenner, Brenda Konar, David Kushner, Lynn Lee, David Leighton, Gabriela Montano-Moctezuma, Eric Munk, Irma Olguin Espinoza, Ben Weitzman
2018, Ecology (99) 761
Size, growth, and density have been studied for North American Pacific coast sea urchins Strongylocentrotus purpuratus, S. droebachiensis, S. polyacanthus, Mesocentrotus (Strongylocentrotus) franciscanus, Lytechinus pictus, Centrostephanus coronatus, and Arbacia stellata by various workers at diverse sites and for varying lengths of time from 1956 to present. Numerous peer-reviewed publications have used some of these data but some data have...
Are ranger patrols effective in reducing poaching-related threats within protected areas?
Jennnifer F. Moore, Felix Mulindahabi, Michel K. Masozera, James D. Nichols, James E. Hines, Ezechiel Turikunkiko, Madan K. Oli
2018, Journal of Applied Ecology (55) 99-107
Poaching is one of the greatest threats to wildlife conservation world-wide. However, the spatial and temporal patterns of poaching activities within protected areas, and the effectiveness of ranger patrols and ranger posts in mitigating these threats, are relatively unknown.We used 10 years (2006–2015) of ranger-based monitoring data and...
Making do with less: Must sparse data preclude informed harvest strategies for European waterbirds?
Fred A. Johnson, Mikko Alhainen, Anthony D. Fox, Jesper Madsen, Matthieu Guillemain
2018, Ecological Applications (28) 427-441
The demography of many European waterbirds is not well understood because most countries have conducted little monitoring and assessment, and coordination among countries on waterbird management has little precedent. Yet intergovernmental treaties now mandate the use of sustainable, adaptive harvest strategies, whose development is challenged by a paucity of demographic...
Parasite spillover: Indirect effects of invasive Burmese pythons
Melissa A. Miller, John M. Kinsella, Ray W. Snow, Malorie M Hayes, Bryan Falk, Robert Reed, Frank J. Mazzotti, Craig Guyer, Christina M. Romagosa
2018, Ecology and Evolution (8) 830-840
Identification of the origin of parasites of nonindigenous species (NIS) can be complex. NIS may introduce parasites from their native range and acquire parasites from within their invaded range. Determination of whether parasites are non-native or native can be complicated when parasite genera occur...
Recreation economics to inform migratory species conservation: Case study of the northern pintail
Brady J. Mattsson, James A. Dubovsky, Wayne E. Thogmartin, Kenneth J. Bagstad, Joshua H. Goldstein, John B. Loomis, James E. Diffendorfer, Darius J. Semmens, Ruscena Wiederholt, Laura Lopez-Hoffman
2018, Journal of Environmental Management (206) 971-979
Quantification of the economic value provided by migratory species can aid in targeting management efforts and funding to locations yielding the greatest benefits to society and species conservation. Here we illustrate a key step in this process by estimating hunting and birding values of the northern pintail (Anas acuta) within...
Fog water collection effectiveness: Mesh intercomparisons
Daniel Fernandez, Alicia A. Torregrosa, Peter Weiss-Penzias, Bong June Zhang, Deckard Sorensen, Robert Cohen, Gareth McKinley, Justin Kleingartner, Andrew Oliphant, Matthew Bowman
2018, Aerosol and Air Quality Research (18) 270-283
To explore fog water harvesting potential in California, we conducted long-term measurements involving three types of mesh using standard fog collectors (SFC). Volumetric fog water measurements from SFCs and wind data were collected and recorded in 15-minute intervals over three summertime fog seasons (2014–2016) at four California sites. SFCs were...
Lead and strontium isotopes as monitors of anthropogenic contaminants in the surficial environment
Robert A. Ayuso, Nora K. Foley
2018, Book chapter, Environmental Geochemistry
Isotopic discrimination can be an effective tool in establishing a direct link between sources of Pb contamination and the presence of anomalously high concentrations of Pb in waters, soils, and organisms. Residential wells supplying water containing up to 1600 ppb Pb to houses built on the former Mohr orchards commercial site,...
Sequence stratigraphy, seismic stratigraphy, and seismic structures of the lower intermediate confining unit and most of the Floridan aquifer system, Broward County, Florida
Kevin J. Cunningham, Jared W. Kluesner, Richard L. Westcott, Edward Robinson, Cameron Walker, Shakira A. Khan
2018, Scientific Investigations Report 2017-5109
Deep well injection and disposal of treated wastewater into the highly transmissive saline Boulder Zone in the lower part of the Floridan aquifer system began in 1971. The zone of injection is a highly transmissive hydrogeologic unit, the Boulder Zone, in the lower part of the Floridan aquifer system. Since...
Oak habitat recovery on California's largest islands: Scenarios for the role of corvid seed dispersal
Mario B. Pesendorfer, Christopher M. Baker, Martin Stringer, Eve McDonald-Madden, Michael Bode, Kathryn McEachern, Scott A. Morrison, T. Scott Sillett
2018, Journal of Applied Ecology (55) 1185-1194
Seed dispersal by birds is central to the passive restoration of many tree communities. Reintroduction of extinct seed dispersers can therefore restore degraded forests and woodlands. To test this, we constructed a spatially explicit simulation model, parameterized with field data, to consider the effect of different seed...
Landscape-scale variation in canopy water content of giant sequoias during drought
Tarin Paz-Kagan, Nicolas R. Vaughn, Roberta E. Martin, Philip G. Brodrick, Nathan L. Stephenson, Adrian Das, Koren R. Nydick, Gregory P. Asner
2018, Forest Ecology and Management (419-420) 291-304
Recent drought (2012–2016) caused unprecedented foliage dieback in giant sequoias (Sequoiadendron giganteum), a species endemic to the western slope of the southern Sierra Nevada in central California. As part of an effort to understand and map sequoia response to droughts, we studied the patterns of remotely sensed canopy water content...
The influence of bed friction variability due to land cover on storm-driven barrier island morphodynamics
Davina Passeri, Joseph W. Long, Nathaniel G. Plant, Matthew V. Bilskie, Scott C. Hagen
2018, Coastal Engineering (132) 82-94
Variations in bed friction due to land cover type have the potential to influence morphologic change during storm events; the importance of these variations can be studied through numerical simulation and experimentation at locations with sufficient observational data to initialize realistic scenarios, evaluate model accuracy and guide interpretations. Two-dimensional in...
Mapping of compositional properties of coal using isometric log-ratio transformation and sequential Gaussian simulation – A comparative study for spatial ultimate analyses data
C. Ozgen Karacan, Ricardo A. Olea
2018, Journal of Geochemical Exploration (186) 36-49
Chemical properties of coal largely determine coal handling, processing, beneficiation methods, and design of coal-fired power plants. Furthermore, these properties impact coal strength, coal blending during mining, as well as coal's gas content, which is important for mining safety. In order for these processes and quantitative predictions to be successful, safer, and...
Occurrence of dichloroacetamide herbicide safeners and co-applied herbicides in midwestern U.S. streams
Emily E. Woodward, Michelle L. Hladik, Dana W. Kolpin
2018, Environmental Science & Technology Letters (5) 3-8
Dichloroacetamide safeners (e.g., AD-67, benoxacor, dichlormid, and furilazole) are co-applied with chloroacetanilide herbicides to protect crops from herbicide toxicity. While such safeners have been used since the early 1970s, there are minimal data about safener usage, occurrence in streams, or potential ecological effects. This study focused on one of these...
The geomorphic legacy of water and erosion control structures in a semiarid rangeland watershed
Mary H. Nichols, Christopher S. Magirl, N.F. Sayre, Jeremy R. Shaw
2018, Earth Surface Processes and Landforms (43) 909-918
Control over water supply and distribution is critical for agriculture in drylands where manipulating surface runoff often serves the dual purpose of erosion control. However, little is known of the geomorphic impacts and legacy effects of rangeland water manipulation infrastructure, especially if not maintained. This study investigated the geomorphic impacts...
Anticoagulant rodenticides and wildlife: Concluding remarks
Nico W. van den Brink, John E. Elliott, Richard F. Shore, Barnett A. Rattner
2018, Book chapter, Anticoagulant rodenticides and wildlife
Rodents are known to affect human society globally in various adverse ways, resulting in a widespread demand for their continuous control. Anticoagulant rodenticides (ARs) have been, and currently remain, the cornerstone of rodent control throughout the world. Although alternative control methods exist, they are generally less effective. ARs work by...
Anticoagulant rodenticide toxicity to non-target wildlife under controlled exposure conditions
Barnett A. Rattner, F. Nicholas Mastrota
Nico van den Brink, J. Elliott, R. Shore, B. Rattner, editor(s)
2018, Book chapter, Anticoagulant rodenticides and wildlife
Much of our understanding of anticoagulant rodenticide toxicity to non-target wildlife has been derived from molecular through whole animal research and registration studies in domesticated birds and mammals, and to a lesser degree from trials with captive wildlife. Using these data, an adverse outcome pathway identifying molecular initiating and anchoring...
Characterizing storm response and recovery using the beach change envelope: Fire Island, New York
Owen T. Brenner, Erika E. Lentz, Cheryl J. Hapke, Rachel E. Henderson, Kathleen Wilson, Timothy Nelson
2018, Geomorphology (300) 189-202
Hurricane Sandy at Fire Island, New York presented unique challenges in the quantification of storm impacts using traditional metrics of coastal change, wherein measured changes (shoreline, dune crest, and volume change) did not fully reflect the substantial changes in sediment redistribution following the storm. We used a time series of...
The Station Information System (SIS): A centralized seismic station repository for populating, managing, and distributing metadata
Ellen Yu, Prabha Acharya, Justin Jaramillo, Sue Kientz, Valerie I. Thomas, Egill Hauksson
2018, Seismological Research Letters (89) 47-55
Creating, maintaining, and archiving accurate station metadata is critical for successful seismic network operations, data discovery, and research. The Station Information System (SIS) is a centralized repository of seismic station equipment inventory, instrument response, and site information of stations operated by regional seismic networks (RSNs) of the Advanced National Seismic...
