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  • Biogeochemistry Group at Stroud Water Research Center
    Support Support Home Donate Now Planned Giving Event Calendar Volunteer The Water s Edge Lecture Series Contact Us News What s New News Releases Media Coverage SAFE Water Award Newsletters Annual Reports Search Research Biogeochemistry Group Water is found in many places beyond stream channels throughout the watershed Streamwater groundwater soil water and water in sediments below the channel contain a rich array of organic carbon molecules important as food for microorganisms and as resources for other living things This laboratory works on identifying the presence of these molecules and determining their role in the stream ecosystem Louis A Kaplan Ph D Senior Research Scientist Prinicipal Investigator Biogeochemistry Dissolved organic matter biogeochemistry aquatic microbial ecology and nutrient cycling Profile Email Michael D Gentile Research Technician Operates and maintains analytical instrumentation assists with field sampling sample processing and bioreactor operations Profile Email Sherman L Roberts Research Technician Manages laboratory operations maintains bioreactors skilled in microscopy and logistical planning Designs and implements experiments Profile Email Explore Our Research Projects Findings Research Groups Overview Biogeochemistry Fluvial Geomorphology Entomology Fish Molecular Ecology Microbiology Organic and Isotope Geochemistry People Weather Station Research Home Search our site Research Critical Zone Observatory Schuylkill River Project Reforestation Project

    Original URL path: http://www.swrc.org/research/groups/biogeochem.shtm (2016-04-27)
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  • Entomology Group at Stroud Water Research Center
    Search Research Entomology Group Healthy streams often support 200 300 species of aquatic insects crustaceans and other invertebrates forming a rich and complex biological community This laboratory studies factors that affect the distribution and abundance of aquatic invertebrates the functional role of invertebrates in stream and river ecosystems and how these invertebrate communities respond to human activities in temperate and tropical watersheds Explore a few of our projects Schuylkill River White Clay Creek Stream Watch The Peru Project The New York Project John K Jackson Ph D Senior Research Scientist Principal Investigator Entomology Population and evolutionary ecology of stream insects energy and nutrient exchange within streams and watersheds benthic monitoring and water quality assessment Profile Email David H Funk Entomologist Director of Facilities Aquatic insect biology especially the resolution of species using genetics reproductive biology and life history data photographing aquatic insects in their native habitat Profile Email Juliann Jan Battle M S Research Technician Benthic monitoring and water quality assessment DNA of stream insects large rivers and wetlands decomposition Profile Email Not pictured Mike Broomall Research Technician Email Kelly McIntyre Research Technician Email Sally Peirson Research Technician Email Matthew Wilson Research Technician Email Explore Our Research Projects Findings Research

    Original URL path: http://www.swrc.org/research/groups/entomology.shtm (2016-04-27)
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  • This Page Has Moved
    This Page Has Moved Please visit it at its new location and take this opportunity to change any bookmarks you have to this page

    Original URL path: http://www.swrc.org/education/index.htm (2016-04-27)
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  • Juliann (Jan) Battle, Entomology Research Technician
    1 302 311 Stein E D B P White R D Mazor J K Jackson J M Battle P E Miller E M Pilgrim and B W Sweeney 2014 Does DNA barcoding improve performance of traditional stream bioassessment metrics Freshwater Science 33 1 312 324 Bott T L J K Jackson M E McTammany J D Newbold S T Rier B W Sweeney and J Battle 2012 Abandoned coal mine drainage and its remediation Impacts on stream ecosystem structure and function Ecological Applications 22 8 2144 2163 Sweeney B W J M Battle J K Jackson and T Dapkey 2011 Can DNA barcodes of stream macroinvertebrates improve descriptions of community structure and water quality Journal of the North American Benthological Society 30 1 195 216 Jackson J K J M Battle and B W Sweeney 2009 Monitoring the health of large rivers with macroinvertebrates do dominant taxa help or hinder the assessment River Research and Applications DOI 10 1002 rra 1318 Battle J M J K Jackson and B W Sweeney 2007 Sieve size affects macroinvertebrate descriptions in large rivers examples from the Savannah and Mississippi Rivers Hydrobiologia 592 329 343 Battle J M and S W Golladay 2007 How hydrology habitat type and litter quality affect leaf breakdown in wetlands on the Gulf Coastal Plain of Georgia Wetlands 27 251 260 Battle J J Jackson and B Sweeney 2007 Annual and spatial variation for macroinvertebrates in the Upper Mississippi River near Cape Girardeau Missouri Fundamental and Applied Limnology Archiv für Hydrobiologie 168 39 54 Golladay S W J M Battle and B J Palik 2007 Large wood debris recruitment on differing riparian landforms along a Gulf Coastal Plain USA stream a comparison of large floods and average flows River Research and Applications 23 391 405 Golladay S W P Gagnon M Kearns J M Battle and D W Hicks 2004 The response of freshwater mussel assemblages Bivalvia Unionidae to a record drought in the Gulf Coastal Plain of southwest Georgia Journal of the North American Benthological Society 23 3 494 506 Battle J M and S W Golladay 2003 Prescribed fire s impact on water quality of depressional wetlands in southwest Georgia American Midland Naturalist 150 15 25 Battle J M S W Golladay and A R Bambarger 2003 Mussel conservation in the Chickasawhatchee and Elmodel Wildlife Management Areas methods for a relocation study Pages 860 863 in K J Hatcher editor Proceedings of the 2003 Georgia Water Resources Conference Athens Georgia Golladay S W and J Battle 2002 Effects of flooding and drought on water quality in Gulf Coastal Plain streams in Georgia Journal of Environmental Quality 31 1266 1272 Battle J M and S W Golladay 2002 Aquatic invertebrates in hardwood depressions of southwest Georgia The Southeastern Naturalist 1 149 158 Battle J M and S W Golladay 2001 The influence of hydrology on litter breakdown in cypress gum wetlands American Midland Naturalist 146 128 145 Battle J M and S W Golladay 2001 Water quality and

    Original URL path: http://www.swrc.org/about/juliannbattle.shtm (2016-04-27)
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  • David H. Funk, Entomologist and Director of Facilities
    North American Benthological Society 29 1258 1266 Xie L D H Funk and D B Buchwalter 2010 Trophic transfer of Cd from natural periphyton to the grazing mayfly Centroptilum triangulifer in a life cycle test Environmental Pollution 158 272 277 Request PDF Alexander L C M Delion D J Hawthorne W O Lamp and D H Funk 2009 Mitochondrial lineages and DNA barcoding of closely related species in the mayfly genus Ephemerella Ephemeroptera Ephemerellidae Journal of the North American Benthological Society 28 584 595 DOI 10 1899 08 150 1 Conley J M D H Funk and D B Buchwalter 2009 Selenium bioaccumulation and maternal transfer in the mayfly Centroptilum triangulifer in a life cycle periphyton biofilm trophic assay Environmental Science Technology 43 7952 7957 Request PDF Xie L J L Flippin N Deighton D H Funk D A Dickey and D B Buchwalter 2009 Mercury II bioaccumulation and antioxidant physiology in four aquatic insects Environmental Science Technology 43 934 940 Request PDF Funk D H B W Sweeney and J K Jackson 2008 A taxonomic reassessment of the Drunella lata Morgan species complex Ephemeroptera Ephemerellidae in northeastern North America Journal of the North American Benthological Society 647 663 Request PDF Funk D H J K Jackson and B W Sweeney 2008 A new parthenogenetic mayfly Ephemeroptera Ephemerellidae Eurylophella Tiensuu oviposits by abdominal bursting in the subimago Journal of the North American Benthological Society 269 279 Request PDF Funk D H J K Jackson and B W Sweeney 2006 Taxonomy and genetics of the parthenogenetic mayfly Centroptilum triangulifer and its sexual sister Centroptilum alamance Ephemeroptera Baetidae Journal of the North American Benthological Society 25 417 429 Request PDF Funk D H and H Fenstermacher 2002 Description of the aquatic larva and pupa of Paralichas trivittis Coleoptera Ptilodactylidae with notes on its biology Entomological News 133 344 354 Request PDF Funk D H and D W Tallamy 2000 Courtship role reversal and deceptive signals in the long tailed dance fly Rhamphomyia longicauda Animal Behaviour 59 411 421 Request PDF Sweeney B W J K Jackson and D H Funk 1995 Semivoltinism seasonal emergence and adult size variation in a tropical stream mayfly Euthyplocia hecuba Journal of the North American Benthological Society 14 131 146 Request PDF Standley L J B W Sweeney and D H Funk 1994 Maternal Transfer of Chlordane and Its Metabolites to the Eggs of a Stream Mayfly Centroptilum triangulifer Environmental Science Technology 28 2105 2111 Funk D H and B W Sweeney 1994 The larvae of Eastern North American Eurylophella Tiensuu Ephemeroptera Ephemerellidae Transactions of the American Entomological Society 120 209 286 Sweeney B W D H Funk and L J Standley 1993 Use of the stream mayfly Cloeon triangulifer as a bioassay organism life history response and body burden following exposure to technical chlordane Environmental Toxicology and Chemistry 12 115 125 Request PDF Sweeney B W J K Jackson J D Newbold and D H Funk 1992 Climate change and the life histories and biogeography of

    Original URL path: http://www.swrc.org/about/funk.shtm (2016-04-27)
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  • William H. Eldridge, Assistant Research Scientist
    as well as reveal useful insight into the biology of this commercially and recreationally significant species Collaborators include biologists with the Northwest Indian Fisheries Commission and Western Washington Tribes the Washington Department of Fish and Wildlife and National Marine Fisheries Service Program name Demographic effects of harvest induced evolution in Pacific salmon Funded by National Marine Fisheries Service National Sea Grant Project duration two years 2005 2007 Description Selection due to fishing will be modeled using a novel approach combining a quantitative genetics model and a population dynamics model to examine the effects of selective harvest on the evolution of quantitative traits and fitness in salmon populations This project will contribute to understanding the long term effects of harvest on the dynamics of wild populations and will help managers better identify long term sustainable harvest strategies This research is being conducted in collaboration with Jeff Hard of the National Marine Fisheries Service Publications Eldridge W J Hard and K Naish In press Simulating fishery induced evolution in Chinook salmon the role of harvest gear location and genetic correlations among life history traits Ecological Applications Eldridge W H J M Myers and K A Naish 2009 Long term changes in the fine scale population structure of coho salmon populations Oncorhynchus kisutch subject to extensive supportive breeding Heredity DOI 10 1038 hdy 2009 69 Hard J W Eldridge and K Naish 2009 Genetic consequences of size selective fishing implications for viability of Chinook salmon in the Arctic Yukon Kuskokwim Region of Alaska In Sustainability of the Arctic Yukon Kuskokwim Salmon Fisheries AFS Syposium 70 759 780 Eldridge W and K Killebrew 2008 Genetic diversity over multiple generations of supplementation an example from Chinook salmon using microsatellite and demographic data Conservation Genetics 9 13 28 Eldridge W and K Naish 2007 Long term effects of translocation and release numbers on fine scale population structure among coho salmon Onchorhynchus kisutch Molecular Ecology 16 2407 2421 Eldridge W M Bacigalupi I Adelman L Miller and A Kapuscinski 2002 Determination of relative survival of two stocked walleye populations and resident natural origin fish by microsatellite DNA parentage assignment Canadian Journal of Fisheries and Aquatic Sciences 59 282 290 Ghosh S et al 2000 The Finland United States Investigation of Non Insulin Dependent Diabetes Mellitus Genetics FUSION study I An autosomal genome scan for genes that predispose to type 2 diabetes American Journal of Human Genetics 67 1174 1185 Watanabe RM et al 2000 The Finland United States Investigation of Non Insulin Dependent Diabetes Mellitus Genetics FUSION study II An autosomal genome scan for diabetes related quantitative trait loci American Journal of Human Genetics 67 1186 1200 Ghosh S et al 1999 Type 2 diabetes Evidence for linkage on chromosome 20 in 716 Finnish affected sib pairs Proceedings of the National Academy of Science USA 96 5 2198 2203 Ghosh S et al 1998 A large sample of Finnish diabetic sib pairs reveals no evidence for a non insulin dependent diabetes mellitus susceptibility locus at 2qter Journal

    Original URL path: http://www.swrc.org/about/eldridge.shtm (2016-04-27)
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  • Fish Molecular Ecology Group at Stroud Water Research Center
    SAFE Water Award Newsletters Annual Reports Search Research Fish Molecular Ecology Group This laboratory works to determine why fish in streams have the distributions they do Our research includes field studies of fish movement species composition and productivity genetic studies of population structure laboratory studies of tolerance limits to chemical physical and biological factors as well as mathematical modeling of population dynamics Instrumentation Fish quarantine area consisting of six 120 gallon circular rearing tanks on a water recirculation system filled with pathogen free well water Five experimental water recirculation systems each with twenty four 20 liter tanks and capacity for heating and cooling over 150 gallons of water at 8 F hr G Storm thermocycler Molecular Devices SpectraMax M2 microplate reader ETS Electrofishing backpack unit Full duplex and half duplex Passive Integrated Transponder tag detection technology David B Arscott Ph D Vice President Assistant Director Research Scientist Riverine landscape ecology dynamics aquatic invertebrate fish algal ecology aquatic food web structure dynamics habitat conservation land water interactions Profile Email Laura Borecki Research Associate General laboratory operation equipment maintenance care of live animals field sampling and sample analysis Profile Email Explore Our Research Projects Findings Research Groups Overview Biogeochemistry Fluvial Geomorphology Entomology

    Original URL path: http://www.swrc.org/research/groups/fishecology.shtm (2016-04-27)
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  • J. Denis Newbold, Research Scientist Emeritus
    J D Newbold and P H Ostrom 2005 Synthesis of a 13 C labeled tracer for stream DOC Labeling Tulip Poplar carbon with 13 CO 2 Ecosystems 8 501 511 Sweeney B W T L Bott J K Jackson L A Kaplan J D Newbold L J Standley W C Hession and R J Horwitz 2004 Riparian deforestation stream narrowing and loss of stream ecosystem services Proceedings of the National Academy of Science of the United States of America 101 14132 14137 Battin T J L A Kaplan J D Newbold C Hansen 2003 Contributions of microbial biofilms to ecosystem processes in stream mesocosms Nature 426 439 442 Request PDF Battin T J L A Kaplan J D Newbold and S P Hendricks 2003 A mixing model analysis of stream solute dynamics and the contribution of a hyporheic zone to ecosystem function Freshwater Biology 48 1 20 Battin T J L A Kaplan J D Newbold X Cheng and C Hansen 2003 Effects of current velocity on the nascent architecture of stream microbial biofilms Applied and Environmental Microbiology 63 5443 5452 Packman A I T J Battin and J D Newbold 2003 Coupling of hydrodynamical biological and geochemical processes in streambeds Archives of Hydro Engineering and Environmental Mechanics AHEM 50 107 123 Georgian T J D Newbold S A Thomas M T Monaghan G W Minshall and C E Cushing 2003 Comparison of corn pollen and natural fine particulate matter transport in streams can pollen be used as a seston surrogate Journal of the North American Benthological Society 22 2 15 Meyer J L L A Kaplan D Newbold S L Strayer C J Woltemade J B Zedler R Beilfuss Q Carpenter R Semlistsch M C Watzin and P H Zedler 2003 Where rivers are born The scientific imperative for defending small streams and wetlands Sierra Club and American Rivers Thomas S A J D Newbold M T Monaghan G W Minshall T Georgian and C E Cushing 2001 The influence of particle size on the deposition of seston in streams Limnology and Oceanography 46 1425 1424 McNair J N and J D Newbold 2001 Turbulent transport of suspended particles and suspended benthic organisms the hitting distance problem for the local exchange model Journal of Theoretical Biology 209 351 369 Monaghan M T S A Thomas G W Minshall J D Newbold and C E Cushing 2001 The Influence of filter feeding benthic macroinvertebrates on the transport and deposition of particulate organic matter and diatoms In two streams Limnology and Oceanography 46 1091 1099 Kaplan L A and J D Newbold 2003 The role of monomers in stream ecosystem metabolism pp 97 119 in S Findlay and R L Sinsabaugh eds Aquatic Ecosystems interactivity of dissolved organic matter Academic Press Minshall G W S A Thomas J D Newbold M T Monaghan and C E Cushing 2000 Physical factors influencing fine organic particle transport and deposition in streams Journal of the North American Benthological Society 18 1 16 Kaplan L A and J D Newbold 2000 Surface and subsurface dissolved organic carbon pp 237 258 In Streams and Ground Waters J B Jones and P J Mulholland eds Academic Press McNair J N J D Newbold and D D Hart 1997 Turbulent transport of suspended particles and dispersing benthic organisms How long to hit bottom Journal of Theoretical Biology 188 29 52 Newbold J D T L Bott L A Kaplan B W Sweeney and R L Vannote 1997 Organic matter dynamics in White Clay Creek Pennsylvania U S A Pages 46 50 in J R Webster and J L Meyers editors Stream organic matter budgets Journal of the North American Benthological Society 16 3 161 Request PDF Lowrance R L S Altier J D Newbold R R Schnabel P M Groffman J M Denver D L Correll J W Gilliam J L Robinson R B Brinsfield K W Staver W Lucas and A H Todd 1997 Water quality functions of riparian forest buffer systems in the Chesapeake Bay Watersheds Environmental Management 21 687 712 Lowrance R L S Altier J D Newbold R R Schnabel P M Groffman J M Denver D L Correll J W Gilliam J L Robinson R B Brinsfield K W Staver W Lucas and A H Todd 1995 Water quality functions of riparian forest buffer systems in the Chesapeake Bay Watershed Chesapeake Bay Program Technology Transfer Report EPA 903 R 95 004 Request PDF Kaplan L A and J D Newbold 1995 Measurement of streamwater biodegradable dissolved organic carbon with a plug flow bioreactor Water Research 29 2696 2706 Newbold J D B W Sweeney J K Jackson and L A Kaplan 1995 Concentrations and export of solutes from six mountain streams in northwestern Costa Rica Journal of the North American Benthological Society 14 21 37 Request PDF Kaplan L A L J Standley and J D Newbold 1995 Impact on water quality of high and low density applications of spent mushroom substrate to agricultural lands Compost Science Utilization 3 55 63 Jackson J K B W Sweeney T L Bott J D Newbold and L A Kaplan 1994 Transport of Bacillus thuringiensis var and its effect on drift and benthic densities of nontarget macroinvertebrates in the Susquehanna River Northern Pennsylvania Canadian Journal of Fisheries and Aquatic Sciences 51 295 314 Newbold J D B W Sweeney and R L Vannote 1994 A model for seasonal synchrony in stream mayflies Journal of the North American Benthological Society 13 3 18 Request PDF Cushing C E G W Minshall and J D Newbold 1993 Transport dynamics of fine particulate organic matter in two Idaho streams Limnology and Oceanography 38 1101 1115 Kaplan L A and J D Newbold 1993 Sources and biogeochemistry of terrestrial dissolved organic carbon entering streams pp 139 165 in T E Ford ed Aquatic microbiology an ecological approach Blackwell Scientific Newbold J D 1992 Cycles and spirals of nutrients pp 379 408 in P Calow and G E Petts eds The

    Original URL path: http://www.swrc.org/about/denisnewbold.shtm (2016-04-27)
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