Mission Areas

Ecosystems

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Filter Total Items: 30,668
Year Published: 2016

Resource subsidies between stream and terrestrial ecosystems under global change

Streams and adjacent terrestrial ecosystems are characterized by permeable boundaries that are crossed by resource subsidies. Although the importance of these subsidies for riverine ecosystems is increasingly recognized, little is known about how they may be influenced by global environmental change. Drawing from available evidence, in this review...

Larsen, Stefano; Muehlbauer, Jeffrey D.; Marti Roca, Maria Eugenia
Larsen, S., Muehlbauer, J.D., and Marti, E., 2016, Resource subsidies between stream and terrestrial ecosystems under global change: Global Change Biology, online, http://onlinelibrary.wiley.com/doi/10.1111/gcb.13182/abstract.

Year Published: 2016

Avian fatalities at wind energy facilities in North America: A comparison of recent approaches

Three recent publications have estimated the number of birds killed each year by wind energy facilities at 2012 build-out levels in the United States. The 3 publications differ in scope, methodology, and resulting estimates. We compare and contrast characteristics of the approaches used in the publications. In addition, we describe decisions made...

Johnson, Douglas H.; Loss, Scott R.; Smallwood, K. Shawn; Erickson, Wallace P.
Johnson, D. H., S. R. Loss, K. S. Smallwood, and W. P. Erickson. 2016. Avian fatalities at wind energy facilities in North America: a comparison of recent approaches. Human-Wildlife Interactions 10(1):7-18.

Year Published: 2016

Modeling suitable habitat of invasive red lionfish Pterois volitans (Linnaeus, 1758) in North and South America’s coastal waters

We used two common correlative species-distribution models to predict suitable habitat of invasive red lionfish Pterois volitans (Linnaeus, 1758) in the western Atlantic and eastern Pacific Oceans. The Generalized Linear Model (GLM) and the Maximum Entropy (Maxent) model were applied using the Software for Assisted Habitat Modeling. We compared...

Evangelista, Paul H.; Young, Nicholas E.; Schofield, Pamela J.; Jarnevich, Catherine S.
Evangelista, P.H., Young, N.E., Schofield, P.J., and Jarnevich, C.S., 2016, Modeling suitable habitat of invasive red lionfish Pterois volitans (Linnaeus, 1758) in North and South America’s coastal waters: Aquatic Invasions, Open Access, http://www.aquaticinvasions.net/2016/AI_2016_Evangelista_etal.pdf. DOI: 10.3391/ai.2016.11.3.09

Year Published: 2016

Integrating early detection with DNA barcoding: species identification of a non-native monitor lizard (Squamata: Varanidae) carcass in Mississippi, U.S.A.

Early detection of invasive species is critical to increasing the probability of successful management. At the primary stage of an invasion, invasive species are easier to control as the population is likely represented by just a few individuals. Detection of these first few individuals can be challenging, particularly if they are cryptic or...

Reed, Robert N.; Hopken, Matthew W.; Steen, David A.; Falk, Bryan G.; Piaggio, Antoinette J.

Year Published: 2016

Long-term continuous acoustical suspended-sediment measurements in rivers - Theory, application, bias, and error

It is commonly recognized that suspended-sediment concentrations in rivers can change rapidly in time and independently of water discharge during important sediment‑transporting events (for example, during floods); thus, suspended-sediment measurements at closely spaced time intervals are necessary to characterize suspended‑sediment loads. Because...

Topping, David J.; Wright, Scott A.
Topping, D.J., and Wright, S.A., 2016, Long-term continuous acoustical suspended-sediment measurements in rivers—Theory, application, bias, and error: U.S. Geological Survey Professional Paper 1823, 98 p., http://dx.doi.org/10.3133/pp1823.

Year Published: 2016

Hydrothermal vents and methane seeps: Rethinking the sphere of influence

Although initially viewed as oases within a barren deep ocean, hydrothermal vent and methane seep communities are now recognized to interact with surrounding ecosystems on the sea floor and in the water column, and to affect global geochemical cycles. The importance of understanding these interactions is growing as the potential rises for...

Levin, Lisa A.; Baco, Amy; Bowden, David; Colaco, Ana; Cordes, Erik E.; Cunha, Marina; Demopoulos, Amanda W.J.; Gobin, Judith; Grupe, Ben; Le, Jennifer; Metaxas, Anna; Netburn, Amanda; Rouse, Greg; Thurber, Andrew; Tunnicliffe, Verena; Van Dover, Cindy L.; Vanreusel, Ann; Watling, Les
Levin, L., Baco, A., Bowden, D., Colaco, A., Cordes, E., Cunha, M., Demopoulos, A.W., Gobin, J., Grupe, B., Le, J., Metaxas, A., Netburn, A., Rouse, G., Thurber, A., Tunnicliffe, V., Van Dover, C., Vanreusel, A., and Watling, L., 2016, Hydrothermal vents and methane seeps: rethinking the sphere of influence: Frontiers in Marine Science, Online Early, v. 3, p. 72-xx, http://dx.doi.org/10.3389/fmars.2016.00072 or http://journal.frontiersin.org/article/10.3389/fmars.2016.00072/abstract.

Year Published: 2016

Vegetation of semi-stable rangeland dunes of the Navajo Nation, Southwestern USA

Dune destabilization and increased mobility is a worldwide issue causing ecological, economic, and health problems for the inhabitants of areas with extensive dune fields. Dunes cover nearly a third of the Navajo Nation within the Colorado Plateau of southwestern USA. There, higher temperatures and prolonged drought beginning in 1996 have produced...

Thomas, Kathryn A.; Redsteer, Margaret H.
Thomas, Kathryn A., and Margaret H. Redsteer. (2016). Vegetation of semi-stable rangeland dunes of the Navajo Nation, Southwestern USA. Arid Land Research and Management. Taylor and Francis online. http://www.tandfonline.com/doi/full/10.1080/15324982.2016.1138157. DOI: 10.1080/15324982.2016.1138157

Year Published: 2016

Drivers of barotropic and baroclinic exchange through an estuarine navigation channel in the Mississippi River Delta Plain

Estuarine navigation channels have long been recognized as conduits for saltwater intrusion into coastal wetlands. Salt flux decomposition and time series measurements of velocity and salinity were used to examine salt flux components and drivers of baroclinic and barotropic exchange in the Houma Navigation Channel, an estuarine channel located in...

Snedden, Gregg
Snedden, G.A., 2016, Drivers of barotropic and baroclinic exchange through an estuarine navigation channel in the Mississippi River Delta Plain: Water, v. 8, no. 5, art. 184, 15 p., http://dx.doi.org/10.3390/w8050184.

Year Published: 2016

Spatially explicit control of invasive species using a reaction-diffusion model

Invasive species, which can be responsible for severe economic and environmental damages, must often be managed over a wide area with limited resources, and the optimal allocation of effort in space and time can be challenging. If the spatial range of the invasive species is large, control actions might be applied only on some parcels of land, for...

Bonneau, Mathieu; Johnson, Fred A.; Romagosa, Christina M.
Bonneau, M., Johnson, F.A., and Romagosa, C.M., 2016, Spatially explicit control of invasive species using a reaction-diffusion model: Ecological Modelling, v. 337, p. 15-24, http://dx.doi.org/10.1016.j.ecolmodel.2016.05.013.

Year Published: 2016

Effect of diet quality on chronic toxicity of aqueous lead to the amphipod Hyalella azteca

The authors investigated the chronic toxicity of aqueous Pb to the amphipod Hyalella azteca (Hyalella) in 42-d tests using 2 different diets: 1) the yeastþcereal leafþtrout pellet (YCT) diet, fed at the uniform low ration used in standard methods for sediment toxicity tests; and 2) a new diet of diatomsþTetraMin flakes (DT), fed...

Besser, John M.; Ivey, Chris D.; Brumbaugh, William G.; Ingersoll, Christopher G.
Besser, J.M., Ivey, C.D., Brumbaugh, W.G., and Ingersoll, C.G., 2016, Effect of Diet Quality on Chronic Toxicity of Aqueous Lead to the Amphipod Hyalella azteca: Environmental Toxicology and Chemistry 35(7), 1825–1834

Year Published: 2016

Molecular evidence of undescribed Ceratonova sp. (Cnidaria: Myxosporea) in the freshwater polychaete, Manayunkia speciosa, from western Lake Erie

We used PCR to screen pooled individuals of Manayunkia speciosa from western Lake Erie, Michigan, USA for myxosporean parasites. Amplicons from positive PCRs were sequenced and showed a Ceratonova species in an estimated 1.1% (95% CI = 0.46%, 1.8%) of M. speciosa individuals. We sequenced 18S, ITS1, 5.8S, ITS2...

Malakauskas, David M.; Snipes, Robert Benjamin; Thompson, Ann M.; Schloesser, Donald W.

Year Published: 2016

Improve wildlife species tracking—Implementing an enhanced global positioning system data management system for California condors

U.S. Fish and Wildlife Service (USFWS) staff in the Pacific Southwest Region and at the Hopper Mountain National Wildlife Refuge Complex requested technical assistance to improve their global positioning system (GPS) data acquisition, management, and archive in support of the California Condor Recovery Program. The USFWS deployed and maintained...

Waltermire, Robert G.; Emmerich, Christopher U.; Mendenhall, Laura C.; Bohrer, Gil; Weinzierl, Rolf P.; McGann, Andrew J.; Lineback, Pat K.; Kern, Tim J.; Douglas, David C.
Waltermire, R.G., Emmerich, C.U., Mendenhall, L.C., Bohrer, Gil, Weinzierl, R.P., McGann, A.J., Lineback, P.K., Kern, T.J., and Douglas, D.C., 2016, Improve wildlife species tracking—Implementing an enhanced global positioning system data management system for California condors: U.S. Geological Survey Open-File Report 2016–1030, 46 p., http://dx.doi.org/10.3133/ofr20161030.