Search Results - "Griffith, Michael B."

Toxicological perspective on the osmoregulation and ionoregulation physiology of major ions by freshwater animals: Teleost fish, crustacea, aquatic insects, and Mollusca by Griffith, Michael B.

“…Anthropogenic sources increase freshwater salinity and produce differences in constituent ions compared with natural waters. Moreover, ions differ in…”
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Development of national stressor-specific genus sensitivity values by Griffith, Michael B.

“…Effective water quality management is based on associations between at least two pieces of information: a stressor and a response. However, assessments are…”
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Uptake of Sulfate from Ambient Water by Freshwater Animals by Griffith, Michael B, Lazorchak, James M, Haring, Herman

“…To better understand how the sulfate (SO ) anion may contribute to the adverse effects associated with elevated ionic strength or salinity in freshwaters, we…”
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Natural Variation and Current Reference for Specific Conductivity and Major Ions in Wadeable Streams of the Conterminous USA by Griffith, Michael B.

“…Variation in specific conductivity and major ions in streams must be understood to assess the effects of changes in ionic strength and salinity on stream…”
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Proof of concept for the use of macroinvertebrates as indicators of polychlorinated biphenyls (PCB) contamination in Lake Hartwell by Lazorchak, James M., Griffith, Michael B., Mills, Marc, Schubauer-Berigan, Joseph, McCormick, Frank, Brenner, Richard, Zeller, Craig

“…The US Environmental Protection Agency (USEPA) develops methods and tools for evaluating risk management strategies for sediments contaminated with…”
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Dense granule biogenesis, secretion, and function in Toxoplasma gondii by Griffith, Michael B., Pearce, Camille S., Heaslip, Aoife T.

“…Toxoplasma gondii is an obligate intracellular parasite and the causative agent of Toxoplasmosis. A key to understanding and treating the disease lies with…”
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Consideration of spatial and temporal scales in stream restorations and biotic monitoring to assess restoration outcomes: A literature review, part 2 by Griffith, Michael B., McManus, Michael G.

“…Stream and river restoration practices have become common in many parts of the world. To answer the question whether such restoration measures improve…”
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Consideration of spatial and temporal scales in stream restorations and biotic monitoring to assess restoration outcomes: A literature review, part 1 by Griffith, Michael B., McManus, Michael G.

“…Stream and river restoration practices have become common in many parts of the world. We ask the question whether such restorations improve freshwater biotic…”
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Using extirpation to evaluate ionic tolerance of freshwater fish by Griffith, Michael B., Zheng, Lei, Cormier, Susan M.

“…Field data of fish occurrences and specific conductivity were used to estimate the tolerance of freshwater fish to elevated ion concentrations and to compare…”
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The effects of mountaintop mines and valley fills on the physicochemical quality of stream ecosystems in the central Appalachians: A review by Griffith, Michael B., Norton, Susan B., Alexander, Laurie C., Pollard, Amina I., LeDuc, Stephen D.

“…This review assesses the state of the science on the effects of mountaintop mines and valley fills (MTM–VF) on the physicochemical characteristics of streams…”
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Multivariate Condition Assessment of Watersheds with Linked Micromaps by McManus, Michael G., Pond, Gregory J., Reynolds, Lou, Griffith, Michael B.

“…A challenge for statewide stream monitoring is visualizing the spatial and statistical characteristics of such data to compare the biotic condition of…”
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Relationships among exceedences of metals criteria, the results of ambient bioassays, and community metrics in mining-impacted streams by Griffith, Michael B., Lazorchak, James M., Herlihy, Alan T.

“…If bioassessments are to help diagnose the specific environmental stressors affecting streams, a better understanding is needed of the relationships between…”
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Comparative application of indices of biotic integrity based on periphyton, macroinvertebrates, and fish to southern Rocky Mountain streams by Griffith, Michael B., Hill, Brian H., McCormick, Frank H., Kaufmann, Philip R., Herlihy, Alan T., Selle, Anthony R.

“…To assess the relative sensitivity of assessments using community metrics for macroinvertebrates, periphyton, and fish assemblages, we compared the results of…”
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Influences of Spatial Scale and Soil Permeability on Relationships Between Land Cover and Baseflow Stream Nutrient Concentrations by Daniel, F. Bernard, Griffith, Michael B., Troyer, Michael E.

“…The Little Miami River (LMR) basin, dominated by agriculture, contains two geologically-distinct regions; a glaciated northern till plain with soils three…”
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Development and evaluation of a Macroinvertebrate Biotic Integrity Index (MBII) for regionally assessing Mid-Atlantic Highlands streams by KLEMM, Donald J, BLOCKSOM, Karen A, DAVIS, Wayne S, FULK, Florence A, HERLIHY, Alan T, HUGHES, Robert M, KAUFMANN, Philip R, PECK, David V, STODDARD, John L, THOENY, William T, GRIFFITH, Michael B

“…The Macroinvertebrate Biotic Integrity Index (MBII) was developed from data collected at 574 wadeable stream reaches in the Mid-Atlantic Highlands region…”
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Relationships Among Exceedences of Sediment Guidelines, the Results of Ambient Sediment Toxicity Tests, and Community Metrics in Estuarine Systems by Griffith, Michael B., Kravitz, Michael

“…To use bioassessments to help diagnose or identify the specific environmental Stressors affecting estuaries, we need a better understanding of the…”
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Linking Excess Nutrients, Light, and Fine Bedded Sediments to Impacts on Faunal Assemblages in Headwater Agricultural Streams by Griffith, Michael B, Daniel, F. Bernard, Morrison, Matthew A, Troyer, Michael E, Lazorchak, James M, Schubauer-Berigan, Joseph P

“…Biological impairments in streams are typically defined by regulatory agencies in terms of altered invertebrate or fish assemblages. While nutrients, canopy…”
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Analysis of macroinvertebrate assemblages in relation to environmental gradients among lotic habitats of California's Central Valley by GRIFFITH, Michael B, HUSBY, Peter, HALL, Robert K, KAUFMANN, Philip R, HILLS, Brian H

“…We assessed relationships between environmental characteristics and macroinvertebrate assemblages in lotic habitats of California's Central Valley with…”
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Lateral dispersal of adult aquatic insects (Plecoptera, Trichoptera) following emergence from headwater streams in forested Appalachian catchments by Griffith, M.B, Barrows, E.M, Perry, S.A

“…We monitored the lateral dispersal of adult Plecoptera and Trichoptera following emergence from 4 headwater streams that drain adjoining forested catchments on…”
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Effect of Diflubenzuron on Flight of Adult Aquatic Insects (Plecoptera, Trichoptera) following Emergence During the Second Year After Aerial Application by Griffith, Michael B., Barrows, Edward M., Perry, Sue A.

“…With Malaise traps, we monitored the flight of adult Plecoptera andTrichoptera following emergence from headwater streams in the FernowExperimental Forest, WV,…”
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