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Filter Total Items: 151
Thrush feeding babies.
Date Published: March 16, 2016
Status: Active

The ecology, behavior, and conservation of migratory birds

U.S. Geological Survey research contributes to conservation measures and improved management of migratory bird populations and their habitats across the United States. Migratory birds provide ecosystem benefits that include pest control, pollination of plants and serve as food sources for other wildlife. They are also a source of recreation for millions of bird watchers and enthusiasts who...

Boreal toad on a burned log.
Date Published: March 15, 2016

RARMI: Northern Rocky Mountain Science Center (NOROCK) Apex Sites

In contrast to RARMI study areas in Colorado that have 10 or more years of records of continuous population monitoring, there are fewer long-term datasets for amphibian populations in the northern Rocky Mountains. The exception is an ongoing study of Columbia spotted frogs at Lodge Creek, Yellowstone National Park. Three other long-term research and monitoring areas have been established in...

Contacts: Blake Hossack
Red spotted toad.
Date Published: March 15, 2016

RARMI: Fort Collins Science Center (FORT) Apex Sites

FORT is monitoring populations of amphibians at three apex sites using capture-recapture methods. Our goal in monitoring populations is to detect fluctuations in population size, sex ratio, survival, and recruitment. Through long-term monitoring, we can also address breeding phenology in relation to elevation, weather, and climate. Other specific questions can be asked about issues such as...

A wolf at the Grizzly and Wolf Discovery Center in Montana as shown in thermal imagery.
Date Published: March 15, 2016
Status: Completed

COMPLETED: Using thermal imagery to assess wolf hairloss from sarcoptic mange

Researchers at NOROCK and their partners used thermal cameras at the Grizzly and Wolf Discovery Center in Montana to assess the amount of heat lost under a range of environmental conditions with and without hair. These methods help scientists better understand how mange operates in wild wolves throughout the Greater...

Contacts: Paul Cross, Emily Almberg, Doug Smith, Adam Munn, Peter Hudson, John Heine, Dan Stahler, Shane Maloney
Near-surface “mantis” sensors and a webcam, which is part of the National PhenoCam Network, to monitor sagebrush steppe.
Date Published: March 15, 2016

Impacts of climate change on habitat quality: plant phenology interactions with animal use and fitness

Weather and climate impact terrestrial wildlife habitat through their influences on plant productivity. Plant phenology – the timing of life-history events such as green-up, flowering and senescence – provides one indicator of the timing and magnitude of productivity. Changes and variability in plant phenology in space and time are indicators of habitat quality, which is a driver of fitness...

Contacts: Geneva W Chong
Red Eagle Fire, Montana.
Date Published: March 15, 2016

Identification of Fire Refugia in Rocky Mountain Ecosystems of the U.S. and Canada: Development and Application of the Refugium Concept for Biodiversity Conservation over Large Spatial and Temporal Scales

We described the climate space of fire regimes in northwestern North America (Whitman and others 2015), and we are refining an approach to identify fire refugia – areas that do not burn or burn with lower severity through multiple fire events. We continue our collaboration to test the function of refugia for biodiversity conservation under current and future climate and fire scenarios. We...

Contacts: Geneva W Chong
Capturing juvenile bull trout by electroshocking Logging Creek and then transporting them to another lake upstream.
Date Published: March 10, 2016

Translocation of imperiled fishes: Conservation introduction of threatened bull trout in Glacier National Park

There is an urgent need to consider more aggressive and direct interventions for conservation of freshwater fishes threatened by invasive species, habitat loss, and climate change. Conservation introduction - moving species to areas outside their previous range, where conditions are predicted to be more suitable - is one type of translocation strategy that fisheries managers can use to...

Screen shot of ScienceCache mobile application's site information.
Date Published: March 9, 2016
Status: Completed

ScienceCache

If you like to geocache and you want to contribute to research, or you are a scientist looking to engage the public in repeat observations at a particular place, you should try ScienceCache.  

ScienceCache is a scientific geocaching mobile application framework.  By melding training and games into the hunt for place-based data...

Native trout in Pacific Northwest.
Date Published: March 9, 2016

Predicting climate change impacts on river ecosystems and salmonids across the Pacific Northwest: Combining vulnerability modeling, landscape genomics, and economic evaluations for conservation

Salmonids – a group of coldwater adapted fishes of enormous ecological and socio-economic value – historically inhabited a variety of freshwater habitats throughout the Pacific Northwest (PNW). Over the past century, however, populations have dramatically declined due to habitat loss, overharvest, and invasive species. Consequently, many populations are listed as threatened or endangered under...

Westslope cutthroat trout
Date Published: March 8, 2016
Status: Active

Genetic status and distribution of native westslope cutthroat trout in Glacier National Park

After 14,000 years of surviving extreme environmental events, such as floods, fires and glaciations, Glacier’s greatest native trout is at high risk of disappearing from several streams and lakes east and west of the Continental Divide. The decline of westslope cutthroat trout (Oncorhynchus clarkii lewisi; WCT) in Glacier National Park (GNP) has been attributed to the establishment of...

Pit tagging a native trout.
Date Published: March 7, 2016
Status: Active

Evolutionary mechanisms influencing the spread of hybridization: genomics, fitness and dispersal

Invasive species and hybridization (reproduction between different species or subspecies) – among the most serious threats to native species and biodiversity – provide some of the richest opportunities for “natural experiments” in evolutionary biology. New genomic technologies, combined with long-term hybridization studies in natural populations, provide exciting opportunities to advance our...

A school of native trout swim in a Montana stream.
Date Published: March 6, 2016
Status: Active

Using the past as a prelude to the future to assess climate effects on native trout across the United States

Future climate change is expected to dramatically alter the structure and function of freshwater ecosystems that support salmonid species. The response of salmonids to climate change will vary through space and time and manifest in both known and currently unknown ways. A potentially rich source of understanding of how salmonids interact with climate lies in a unified retrospective analysis of...

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Year Published: 2017

Effects of tow transit on the efficacy of the Chicago Sanitary and Ship Canal Electric Dispersal Barrier System

In 2016, the U.S. Fish and Wildlife Service, U.S. Geological Survey, and U.S. Army Corps of Engineers undertook a field study in the Chicago Sanitary and Ship Canal near Romeoville, Illinois to determine the influence of tow transit on the efficacy of the Electric Dispersal Barrier System (EDBS) in preventing the passage of juvenile fish (total...

Davis, Jeremiah J.; LeRoy, Jessica Z.; Shanks, Matthew R.; Jackson, Patrick Ryan; Engel, Frank L.; Murphy, Elizabeth A.; Baxter, Carey L.; McInerney, Michael K.; Barkowski, Nicholas A.
Davis, J.J., LeRoy, J.Z., Shanks, M.R., Jackson, P.R., Engel, F.L., Murphy, E.A., Baxter, C.L, Trovillion, J.C., McInerney, M.K., Barkowski, N.A., Effects of tow transit on the efficacy of the Chicago Sanitary and Ship Canal Electric Dispersal Barrier System, J. Great Lakes Res. (2017), http://dx.doi.org/10.1016/j.jglr.2017.08.013

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Year Published: 2017

Contact and contagion: Probability of transmission given contact varies with demographic state in bighorn sheep

Understanding both contact and probability of transmission given contact are key to managing wildlife disease. However, wildlife disease research tends to focus on contact heterogeneity, in part because the probability of transmission given contact is notoriously difficult to measure. Here, we present a first step towards empirically investigating...

Manlove, Kezia R.; Cassirer, E. Frances; Plowright, Raina K.; Cross, Paul C.; Hudson, Peter J.

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Year Published: 2017

Satellite monitoring of cyanobacterial harmful algal bloom frequency in recreational waters and drinking water sources

Cyanobacterial harmful algal blooms (cyanoHAB) cause extensive problems in lakes worldwide, including human and ecological health risks, anoxia and fish kills, and taste and odor problems. CyanoHABs are a particular concern in both recreational waters and drinking water sources because of their dense biomass and the risk of exposure to toxins....

Clark, John M.; Schaeffer, Blake A.; Darling, John A.; Urquhart, Erin A. ; Johnston, John M.; Ignatius, Amber R.; Myer, Mark H.; Loftin, Keith A.; Werdell, P. Jeremy; Stumpf, Richard P.
Clark, J.M., Schaeffer, B.A., Darling, J.A., Urquhart, E.A., Johnston, J.M., Ignatius, A., Myer, M.H., Loftin, K.A., Werdell, P.J., Stumpf, R.P., 2017. Satellite monitoring of cyanobacterial harmful algal bloom frequency in recreational waters and drinking water sources, Ecological Indicators, v. 80, p.84-95.

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Year Published: 2017

Using remote sensing to characterize and compare evapotranspiration from different irrigation regimes in the Smith River Watershed of central Montana

According to the 2005 U.S. Geological Survey national water use compilation, irrigation is the second largest use of fresh water in the United States, accounting for 37%, or 484.48 million cubic meters per day, of total freshwater withdrawal. Accurately estimating the amount of water withdrawals and actual consumptive water use (the difference...

Sando, Thomas R.; Caldwell, Rodney R.; Blasch, Kyle W.
Sando R, Caldwell RR, Blasch KW (2017) Using Remote Sensing to Characterize and Compare Evapotranspiration from Different Irrigation Regimes in the Smith River Watershed of Central Montana. Irrigat Drainage Sys Eng 6: 188. doi: 10.4172/2168-9768.1000188

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Year Published: 2017

Salish Kootenai College and U.S. Geological Survey partnership—Enhancing student opportunities and professional development

Salish Kootenai College (SKC), in the Flathead Reservation in the northwestern corner of Montana, is the largest of the seven Tribal colleges in the State. In 2011, U.S. Geological Survey (USGS) National Tribal Liaison Monique Fordham from the Office of Tribal Relations/Office of Science Quality and Integrity began discussions with SKC faculty to...

Sando, Roy; Fordham, Monique
Sando, Roy, and Fordham, Monique, 2017, Salish Kootenai College and U.S. Geological Survey partnership—Enhancing student opportunities and professional development: U.S. Geological Survey Fact Sheet 2017–3065, 2 p., https://doi.org/10.3133/fs20173065.

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Year Published: 2017

Preliminary assessment of a water-quality monitoring program for total maximum daily loads in Johnson County, Kansas, January 2015 through June 2016

Municipalities in Johnson County in northeastern Kansas are required to implement stormwater management programs to reduce pollutant discharges, protect water quality, and comply with applicable water-quality regulations in accordance with National Pollutant Discharge Elimination System permits for stormwater discharge. To this end, municipalities...

Rasmussen, Teresa J.; Paxson, Chelsea R.
Rasmussen, T.J., and Paxson, C.R., 2017, Preliminary assessment of a water-quality monitoring program for total maximum daily loads in Johnson County, Kansas, January 2015 through June 2016: U.S. Geological Survey Scientific Investigations Report 2017–5089, 20 p., https://doi.org/10.3133/sir20175089.

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Year Published: 2017

Streamflow characteristics and trends along Soldier Creek, Northeast Kansas

Historical data for six selected U.S. Geological Survey streamgages along Soldier Creek in northeast Kansas were used in an assessment of streamflow characteristics and trends. This information is required by the Prairie Band Potawatomi Nation for the effective management of tribal water resources, including drought contingency planning....

Juracek, Kyle E.
Juracek, K.E., 2017, Streamflow characteristics and trends along Soldier Creek, northeast Kansas: U.S. Geological Survey Scientific Investigations Report 2017–5061, 30 p., https://doi.org/10.3133/sir20175061.

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Year Published: 2017

Methods for estimating annual exceedance-probability streamflows for streams in Kansas based on data through water year 2015

A study was done by the U.S. Geological Survey in cooperation with the Kansas Department of Transportation and the Federal Emergency Management Agency to develop regression models to estimate peak streamflows of annual exceedance probabilities of 50, 20, 10, 4, 2, 1, 0.5, and 0.2 percent at ungaged locations in Kansas. Peak streamflow frequency...

Painter, Colin C.; Heimann, David C.; Lanning-Rush, Jennifer L.
Painter, C.C., Heimann, D.C., and Lanning-Rush, J.L., 2017, Methods for estimating annual exceedance-probability streamflows for streams in Kansas based on data through water year 2015 (ver. 1.1, September 2017): U.S. Geological Survey Scientific Investigations Report 2017–5063, 20 p., https://doi.org/10.3133/sir20175063.

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Year Published: 2017

Climate-induced trends in predator–prey synchrony differ across life-history stages of an anadromous salmonid

Differential climate-induced shifts in phenology can create mismatches between predators and prey, but few studies have examined predator–prey mismatch across multiple life-history stages. We used long-term data from a warming stream with shifting salmonid migration timings to quantify intra-annual migration synchrony between predatory Dolly...

Bell, Donovan A.; Kovach, Ryan; Vulstek, Scott C.; Joyce, John E.; Tallmon, David A.
Bell, D.A., Kovach, R.P., Vulstek, S.C., Joyce, J.E., Tallmon, D.A. 2017. Climate-induced trends in predator-prey synchrony differ across life-history stages of an anadromous salmonid. Canadian Journal of Fisheries and Aquatic Sciences, 2017, 74(9): 1431-1438

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Year Published: 2017

Temporal changes in nitrogen and phosphorus concentrations with comparisons to conservation practices and agricultural activities in the Lower Grand River, Missouri and Iowa, and selected watersheds, 1969–2015

This report presents the results of a cooperative study by the U.S. Geological Survey and Missouri Department of Natural Resources to estimate total nitrogen (TN) and total phosphorus (TP) concentrations at monitoring sites within and near the Lower Grand River hydrological unit. The primary objectives of the study were to quantify temporal...

Krempa, Heather M.; Flickinger, Allison K.
Krempa, H.M., and Flickinger, A.K., 2017, Temporal changes in nitrogen and phosphorus concentrations with comparisons to conservation practices and agricultural activities in the Lower Grand River, Missouri and Iowa, and selected watersheds, 1969–2015: U.S. Geological Survey Scientific Investigations Report 2017–5067, 28 p., https://doi.org/10.3133/sir20175067.

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Year Published: 2017

A global multiproxy database for temperature reconstructions of the Common Era

Reproducible climate reconstructions of the Common Era (1 CE to present) are key to placing industrial-era warming into the context of natural climatic variability. Here we present a community-sourced database of temperature-sensitive proxy records from the PAGES2k initiative. The database gathers 692 records from 648 locations, including all...

Emile-Geay, Julian; McKay, Nicholas P.; Kaufman, Darrell S.; von Gunten, Lucien; Wang, Jianghao; Anchukaitis, Kevin J.; Abram, Nerilie J.; Addison, Jason A.; Curran, Mark A.J.; Evans, Michael N.; Henley, Benjamin J.; Hao, Zhixin; Martrat, Belen; McGregor, Helen V.; Neukom, Raphael; Pederson, Gregory T.; Stenni, Barbara; Thirumalai, Kaustubh; Werner, Johannes P.; Xu, Chenxi; Divine, Dmitry V.; Dixon, Bronwyn C.; Gergis, Joelle; Mundo, Ignacio A.; Nakatsuka, T.; Phipps, Steven J.; Routson, Cody C.; Steig, Eric J.; Tierney, Jessica E.; Tyler, Jonathan J.; Allen, Kathryn J.; Bertler, Nancy A. N.; Bjorklund, Jesper; Chase, Brian M.; Chen, Min-Te; Cook, Ed; de Jong, Rixt; DeLong, Kristine L.; Dixon, Daniel A.; Ekaykin, Alexey A.; Ersek, Vasile; Filipsson, Helena L.; Francus, Pierre; Freund, Mandy B.; Frezzotti, M.; Gaire, Narayan P.; Gajewski, Konrad; Ge, Quansheng; Goosse, Hugues; Gornostaeva, Anastasia; Grosjean, Martin; Horiuchi, Kazuho; Hormes, Anne; Husum, Katrine; Isaksson, Elisabeth; Kandasamy, Selvaraj; Kawamura, Kenji; Koc, Nalan; Leduc, Guillaume; Linderholm, Hans W.; Lorrey, Andrew M.; Mikhalenko, Vladimir; Mortyn, P. Graham; Motoyama, Hideaki; Moy, Andrew D.; Mulvaney, Robert; Munz, Philipp M.; Nash, David J.; Oerter, Hans; Opel, Thomas; Orsi, Anais J.; Ovchinnikov, Dmitriy V.; Porter, Trevor J.; Roop, Heidi; Saenger, Casey; Sano, Masaki; Sauchyn, David; Saunders, K.M.; Seidenkrantz, Marit-Solveig; Severi, Mirko; Shao, X.; Sicre, Marie-Alexandrine; Sigl, Michael; Sinclair, Kate; St. George, Scott; St. Jacques, Jeannine-Marie; Thamban, Meloth; Thapa, Udya Kuwar; Thomas, E.; Turney, Chris; Uemura, Ryu; Viau, A.E.; Vladimirova, Diana O.; Wahl, Eugene; White, James W. C.; Yu, Z.; Zinke, Jens
Emile-Geay J, Mckay NP, Kaufman DS, Gunten Von L, Wang J, Anchukaitis KJ, Abram NJ, Addison JA, Curran MAJ, Evans MN, Henley BJ, Hao Z, Martrat B, McGregor HV, Neukom R, Pederson GT, Stenni B, Thirumalai K, Werner JP, Xu C, Divine DV, Dixon BC, Gergis J, Mundo IA, Nakatsuka T, Phipps SJ, Routson CC, Steig EJ, Tierney JE, Tyler JJ, Allen KJ, Bertler NAN, Björklund J, Chase BM, Chen M-T, Cook E, de Jong R, Delong KL, Dixon DA, Ekaykin AA, Ersek V, Filipsson HL, Francus P, Freund MB, Frezzotti M, Gaire NP, Gajewski K, Ge Q, Goosse H, Gornostaeva A, Grosjean M, Horiuchi K, Hormes A, Husum K, Isaksson E, Kandasamy S, Kawamura K, Kilbourne KH, Koç N, Leduc G, Linderholm HW, Lorrey AM, Mikhalenko V, Mortyn PG, Motoyama H, Moy AD, Mulvaney R, Munz PM, Nash DJ, Oerter H, Opel T, Orsi AJ, Ovchinnikov DV, Porter TJ, Roop HA, Saenger C, Sano M, Sauchyn D, Saunders KM, Seidenkrantz M-S, Severi M, Shao X, Sicre M-A, Sigl M, Sinclair K, St George S, St-Jacques J-M, Thamban M, Kuwar Thapa U, Thomas ER, Turney C, Uemura R, Viau AE, Vladimirova DO, Wahl ER, White JWC, Yu Z, Zinke J. 2017. A global multiproxy database for temperature reconstructions of the Common Era. Scientific Data. The Author(s) SN - 4: 170088. DOI: 10.1038/sdata.2017.88.

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Year Published: 2017

A method for examining temporal changes in cyanobacterial harmful algal bloom spatial extent using satellite remote sensing

Cyanobacterial harmful algal blooms (CyanoHAB) are thought to be increasing globally over the past few decades, but relatively little quantitative information is available about the spatial extent of blooms. Satellite remote sensing provides a potential technology for identifying cyanoHABs in multiple water bodies and across geo-political...

Urquhart, Erin A. ; Schaeffer, Blake A.; Stumpf, Richard P. ; Loftin, Keith A.; Werdell, P. Jeremy
Urquahart, E.A., Schaeffer, B.A., Stumpf, R.P., Loftin, K.A., Werdell, P.J., 2017. Harmful Algae, 67, 144-152.

Filter Total Items: 177
Low streamflow on the Arkansas River at Syracuse, Kansas.
July 17, 2012

Low streamflow on the Arkansas River at Syracuse, Kansas.

This image shows a low streamflow on the Arkansas River at Syracuse.
Human activity, such as groundwater pumping, land management, reservoir operations and urbanization, has a measurable effect on streamflows in Kansas locally, regionally and statewide, according to a new USGS report.

Mount Rushmore water sampling
July 10, 2012

Water Sampling at Mount Rushmore

USGS scientists take samples of Lafferty Gulch surface water, which was analyzed for perchlorate and metals.

June 30, 2012

Water-Level Fluctuations at Sheboygan River Mouth, Sheboygan, WI

A series of time-lapse photographs capture rapid water-level fluctuations in the vicinity of Wildwood Islands in the Sheboygan River, 4.4 km upstream of Lake Michigan near Sheboygan, Wis. The fluctuations are caused the interaction of seiche-related oscillations from Lake Michigan with river flows. 
 

Photo of the Platte River near South Bend, Nebraska
May 29, 2012

Platte River from the observation tower near South Bend, Nebraska.

Platte River from the observation tower near South Bend, Nebraska.

March 3, 2012

Water-Level Fluctuations at Sheboygan River Mouth, Sheboygan, WI

A series of time-lapse photographs capture rapid water-level fluctuations in the vicinity of Wildwood Islands in the Sheboygan River, 4.4 km upstream of Lake Michigan near Sheboygan, Wis. The fluctuations are caused the interaction of seiche-related oscillations from Lake Michigan with river flows. 
 

Bald Eagle Lake, MN
September 1, 2011

Bald Eagle Lake, MN

Bald Eagle Lake near the Twin Cities, Minnesota. 

Ice Formation 6
March 10, 2011

Ice Formation on Apple Creek near Menoken, ND (06349500)

Ice formation on Apple Creek near Menoken, ND (USGS streamgage 06349500; https://waterdata.usgs.gov/nd/nwis/inventory/?site_no=06349500&agency_cd=USGS&) on March 10, 2011. Marker (3 feet 10 inches) stands next to ice spike. The 2010-11 winter

...
Ice Formation 7
March 3, 2011

Ice Formation on Big Muddy Creek near Almont, ND (06347500)

Ice formation on Big Muddy Creek near Almont, ND (USGS streamgage 06347500;
https://waterdata.usgs.gov/nd/nwis/inventory/?site_no=06347500&agency_cd=USGS&) on March
3, 2011. USGS personnel stands next to ice formation at Big Muddy

...
Ice Formation 3
January 13, 2011

Ice Formation on Apple Creek near Menoken, ND (06349500)

Ice formation on Apple Creek near Menoken, ND (USGS streamgage 06349500;
https://waterdata.usgs.gov/nd/nwis/inventory/?site_no=06349500&agency_cd=USGS&) on
January 13, 2011. Small ice mounds developed downstream from weir on Apple

...
Lock and Dam 7 Panorama
December 31, 2010

Lock and Dam 7 Panorama

Lock and Dam 7 Panorama

Lamar Valley, Yellowstone National Park.
December 31, 2010

Lamar Valley, Yellowstone National Park.

Lamar Valley, Yellowstone National Park.