A GIS model of habitat suitability for Solanum conocarpum (Solanaceae) in St. John, US Virgin Islands
Matthew D. Palumbo, Jonathan P. Fleming, Omar A. Monsegur, Francisco Vilella
2016, Caribbean Naturalist (36) 1-10
Solanum conocarpum (Solanaceae) (Marron Bacora) is a rare, dry-forest shrub endemic to the island of St. John, US Virgin Islands, considered for listing under the Endangered Species Act. Given its status as a species of conservation concern, we incorporated environmental characteristics of 3 observed populations and 5 additional known locations...
The leatherback turtle: Biology and conservation
Raymond R. Carthy
2016, Herpetological Review (47) 703-705
No abstract available....
The concept of stress in fish
Carl B. Schreck, Lluis Tort
2016, Fish Physiology (35) 1-34
The general physiological response of fish to threatening situations, as with all vertebrates, is referred to as stress. A stress response is initiated almost immediately following the perception of a stressor. Mildly stressful situations can have beneficial or positive effects (eustress), while higher severities induce <a...
Managed island ecosystems
Kathryn McEachern, Tanya Atwater, Paul W. Collins, Kate R. Faulkner, Daniel V. Richards
2016, Book chapter, Ecosystems of California
This long-anticipated reference and sourcebook for California’s remarkable ecological abundance provides an integrated assessment of each major ecosystem type—its distribution, structure, function, and management. A comprehensive synthesis of our knowledge about this biologically diverse state, Ecosystems of California covers the state from oceans to mountaintops using multiple lenses: past and...
Status and trends in the Lake Superior fish community, 2015
Mark R. Vinson, Lori M. Evrard, Owen T. Gorman, Daniel L. Yule
2016, Report, Compiled reports to the Great Lakes Fishery Commission of the annual bottom trawl and acoustics surveys, 2015
In 2015, the Lake Superior fish community was sampled with daytime bottom trawls at 76 nearshore and 33 offshore stations. Spring and summer water temperatures in 2015 were colder than average, but warmer than that observed in 2014. In the nearshore zone, a total of 11,882 individuals from 22 species...
Fishes of the Mississippi River
Harold Schramm, Jay T. Hatch, Robert A. Hrabik, William T. Slack
2016, Book chapter, Fishery resources, environment, and conservation in the Mississippi and Yangtze (Changjiang) River Basins
No abstract available....
The story of rising voices: Facilitating collaboration between indigenous and western ways of knowing
Julie Maldonado, Heather Lazrus, Shiloh-Kay Bennett, Karletta Chief, Carla May Dhillon, Bob Gough, Linda Kruger, Jeffrey T. Morisette, Stefan Petrovic, Kyle P. Whyte
Michele Companion, Miriam S. Chaiken, editor(s)
2016, Book chapter, Responses to disasters and climate change: Understanding vulnerability and fostering resilience
Indigenous community self-determination, cultures, and ways of life are at high risk from climate change impacts and ecological dispossession. Partnerships between experts with backgrounds in Indigenous and western knowledge may be productive and effective ways to reduce vulnerability and foster resilience. This chapter examines collaborations among scientific and Native American,...
Small mammal communities in eastern redcedar forest
Christopher J. Reddin, David G. Krementz
2016, American Midland Naturalist (175) 113-119
Eastern redcedar (Juniperus virginiana) is a fire-intolerant tree species that has encroached into grassland ecosystems throughout central and eastern North America. Many land managers are interested in removing eastern redcedar to restore native grasslands. We surveyed small mammals using mark-recapture methods in eastern redcedar forest, warm-season grassland, and oldfield habitats...
Upper bound of abutment scour in laboratory and field data
Stephen Benedict
2016, Transportation Research Record (2588) 154-162
The U.S. Geological Survey, in cooperation with the South Carolina Department of Transportation, conducted a field investigation of abutment scour in South Carolina and used those data to develop envelope curves that define the upper bound of abutment scour. To expand on this previous work, an additional cooperative investigation was...
Establishing a baseline of estuarine submerged aquatic vegetation resources across salinity zones within coastal areas of the northern Gulf of Mexico
Eva R. Hillmann, Kristin DeMarco, Megan K. LaPeyre
2016, Journal of the Southeastern Association of Fish and Wildlife Agencies (3) 25-32
Coastal ecosystems are dynamic and productive areas that are vulnerable to effects of global climate change. Despite their potentially limited spatial extent, submerged aquatic vegetation (SAV) beds function in coastal ecosystems as foundation species, and perform important ecological services. However, limited understanding of the factors controlling SAV distribution and abundance...
The role of science through a century of elk and habitat management at Rocky Mountain National Park
Therese L. Johnson, Linda Zeigenfuss, N. Thompson Hobbs, John A. Mack
2016, Park Science (32) 70-72
Over the past century elk (Cervus elaphus) management in Rocky Mountain National Park has evolved along with NPS policy, social values, and an improved understanding of the role of elk in the ecosystem. Science has played an important part in shaping management approaches through the application of monitoring and research (Monello...
Estimating abundance: Chapter 27
J. Andrew Royle
2016, Book chapter, Reptile ecology and conservation: A handbook of techniques
This chapter provides a non-technical overview of ‘closed population capture–recapture’ models, a class of well-established models that are widely applied in ecology, such as removal sampling, covariate models, and distance sampling. These methods are regularly adopted for studies of reptiles, in order to estimate abundance from counts of marked individuals...
Decision analysis for habitat conservation of an endangered, range-limited salamander
Orin J. Robinson, Conor P. McGowan, J.J. Apodaca
2016, Animal Conservation (19) 561-569
Many species of conservation concern are habitat limited and often a major focus of management for these species is habitat acquisition and/or restoration. Deciding the location of habitat restoration or acquisition to best benefit a protected species can be a complicated subject with competing management objectives, ecological uncertainties and stochasticity....
Regional and local correlations of feldspar geochemistry of the Peach Spring Tuff, Alvord Mountain, California
David C. Buesch
2016, Conference Paper, Mojave Miocene: Desert Symposium 2015
The chemical composition of feldspar grains in an ignimbrite from the Spanish Canyon Formation in the Alvord Mountain area, California, have been used to confirm similarities in three measured sections locally, and they are similar to exposures of the Peach Spring Tuff (PST) regionally. Feldspar grains were identified on the...
Geologic and geophysical maps and volcanic history of the Kelton Pass SE and Monument Peak SW Quadrangles, Box Elder County, Utah
Tracey J. Felger, David M. Miller, Victoria E. Langenheim, Robert J. Fleck
2016, Miscellaneous Publication 16-1DM
The Kelton Pass SE and Monument Peak SW 7.5' quadrangles are located in Box Elder County, northwestern Utah (figure 1; plate 1). The northern boundary of the map area is 8.5 miles (13.7 km) south of the Utah-Idaho border, and the southern boundary reaches the edge of mud flats at...
Application of an extreme winter storm scenario to identify vulnerabilities, mitigation options, and science needs in the Sierra Nevada mountains, USA
Christine M. Albano, Michael D. Dettinger, Maureen McCarthy, Kevin D. Schaller, Toby Wellborn, Dale A. Cox
2016, Natural Hazards (80) 879-900
In the Sierra Nevada mountains (USA), and geographically similar areas across the globe where human development is expanding, extreme winter storm and flood risks are expected to increase with changing climate, heightening the need for communities to assess risks and better prepare for such events. In this case study, we...
Recent and possible future variations in the North American Monsoon
Andrew Hoell, Chris Funk, Mathew Barlow, Shraddhanand Shukla
2016, Book chapter, The monsoons and climate change
The dynamics and recent and possible future changes of the June–September rainfall associated with the North American Monsoon (NAM) are reviewed in this chapter. Our analysis as well as previous analyses of the trend in June–September precipitation from 1948 until 2010 indicate significant precipitation increases over New Mexico and the...
Estimating black bear density in New Mexico using noninvasive genetic sampling coupled with spatially explicit capture-recapture methods
Matthew J. Gould, James W. Cain III, Gary W. Roemer, William R. Gould
2016, Cooperator Science Series FWS/CSS-120-2016
During the 2004–2005 to 2015–2016 hunting seasons, the New Mexico Department of Game and Fish (NMDGF) estimated black bear abundance (Ursus americanus) across the state by coupling density estimates with the distribution of primary habitat generated by Costello et al. (2001). These estimates have been used to set harvest limits....
Ecology and conservation of Lesser Prairie-Chickens
David A. Haukos, Clint W. Boal, editor(s)
2016, Book
Lesser Prairie-Chickens have experienced substantial declines in terms of population and the extent of area that they occupy. While they are an elusive species, making it difficult at times to monitor them, current evidence indicates that they have been persistently decreasing in number since the Dust Bowl of the 1930s...
Biological and communication skills needed for introduced fish biologists
Scott A. Bonar
2016, Fisheries (41) 466-467
What skills and knowledge will a new graduate seeking employment need to work with introduced fishes? Clearly, success in introduced species management—similar to other disciplines in fisheries—requires a mixture of scientific and communication skills. However, specific abilities especially important to a biologist who manages introduced fishes should be highlighted. Unlike...
Targets set to reduce Lake Erie algae
Mary Anne Evans
2016, Report, Michigan State of the Great Lakes
In February 2016, the Great Lakes Executive Committee, which oversees the implementation of the Great Lakes Water Quality Agreement (GLWQA) between the U.S. and Canada, approved phosphorus loading targets for Lake Erie to reduce the size of harmful algal blooms (HABs), reduce the presence of the low oxygen zone in...
Subsidence induced by underground extraction
Devin L. Galloway
2016, Book chapter, Encyclopedia of Natural Hazards
Subsidence induced by underground extraction is a class of human-induced (anthropogenic) land subsidence that principally is caused by the withdrawal of subsurface fluids (groundwater, oil, and gas) or by the underground mining of coal and other minerals....
Loamy, two-storied soils on the outwash plains of southwestern lower Michigan: Pedoturbation of loess with the underlying sand
Michael D. Luehmann, Brad G. Peter, Christopher B. Connallon, Randall J. Schaetzl, Samuel J. Smidt, Wei Liu, Kevin A. Kincare, Toni A. Walkowiak, Elin Thorlund, Marie S. Holler
2016, Annals of the American Association of Geographers (106) 551-572
Soils on many of the outwash plains in southwestern Michigan have loamy upper profiles, despite being underlain by sand-textured outwash. The origin of this upper, loamy material has long been unknown. The purpose of this study is to analyze the spatio-textural characteristics of these loamy-textured sediments to ascertain their origin(s)....
Getting quantitative about consequences of cross-ecosystem resource subsidies on recipient consumers
John S. Richardson, Mark S. Wipfli
2016, Canadian Journal of Fisheries and Aquatic Sciences (73) 1609-1615
Most studies of cross-ecosystem resource subsidies have demonstrated positive effects on recipient consumer populations, often with very large effect sizes. However, it is important to move beyond these initial addition–exclusion experiments to consider the quantitative consequences for populations across gradients in the rates and quality of resource inputs. In our...
Cattle grazing in wetlands
Beth A. Middleton
C. Max Finlayson, Mark Everard, Kenneth Irvine, Robert J. McInnes, Beth A. Middleton, Anne A. Van Dam, Nick C. Davidson, editor(s)
2016, Book chapter, The Wetland Book
Cattle grazing drives successional change in wetland vegetation by removing tall grasses and other vegetation. As a disturbance, cattle grazing in some ways resembles natural disturbances such as native mammal grazing and lightning-strike fire, which can support higher biodiversity in wetlands. To encourage rare and Red-Listed species, natural land managers...
