OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES

Please find attached to this memorandum the meeting minutes of the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) Scientific Advisory Panel (SAP) open meeting held in Arlington, Virginia on May 12-14, 2009. This report addresses a set of scientific issues associated with "The Ecological Significance of Atrazine Effects on Primary Producers in Surface Water Streams in the Corn and Sorghum Growing Region of the United States (Part II)."

[1]  J. Hollender,et al.  Effects of photosystem II inhibitors and their mixture on freshwater phytoplankton succession in outdoor mesocosms , 2009, Environmental Toxicology and Chemistry.

[2]  R. Relyea.  A cocktail of contaminants: how mixtures of pesticides at low concentrations affect aquatic communities , 2009, Oecologia.

[3]  Martin Frey,et al.  Predicting critical source areas for diffuse herbicide losses to surface waters: Role of connectivity and boundary conditions , 2009 .

[4]  Paul J. Van den Brink,et al.  Ecological risk assessment: from book-keeping to chemical stress ecology. , 2008, Environmental science & technology.

[5]  Carola A. Schriever,et al.  The footprint of pesticide stress in communities--species traits reveal community effects of toxicants. , 2008, The Science of the total environment.

[6]  Kenneth A. Sudduth,et al.  Overview of the Mark Twain Lake/Salt River Basin Conservation Effects Assessment Project , 2008, Journal of Soil and Water Conservation.

[7]  C. Huang,et al.  Implications of sampling frequency to herbicide conservation effects assessment , 2008, Journal of Soil and Water Conservation.

[8]  A. Schotthoefer,et al.  Agrochemicals increase trematode infections in a declining amphibian species , 2008, Nature.

[9]  J. Hollender,et al.  Mixture toxicity of three photosystem II inhibitors (atrazine, isoproturon, and diuron) toward photosynthesis of freshwater phytoplankton studied in outdoor mesocosms. , 2008, Environmental science & technology.

[10]  K. Solomon,et al.  Effects of planting system design on the toxicological sensitivity of Myriophyllum spicatum and Elodea canadensis to atrazine. , 2008, Chemosphere.

[11]  Hans-Georg Frede,et al.  Mitigation strategies to reduce pesticide inputs into ground- and surface water and their effectiveness; a review. , 2007, The Science of the total environment.

[12]  Matthias Liess,et al.  Estimating pesticide runoff in small streams. , 2007, Chemosphere.

[13]  L. Maltby,et al.  Aquatic Risks of Pesticides, Ecological Protection Goals, and Common Aims in European Union Legislation , 2006 .

[14]  J. Downing,et al.  The global abundance and size distribution of lakes, ponds, and impoundments , 2006 .

[15]  C. M. Cooper,et al.  Evaluated fate and effects of atrazine and lambda‐cyhalothrin in vegetated and unvegetated microcosms , 2005, Environmental toxicology.

[16]  Newell R. Kitchen,et al.  Measurement and simulation of herbicide transport from the corn phase of three cropping systems , 2005 .

[17]  P. Crumrine,et al.  EFFECTS OF AN HERBICIDE AND AN INSECTICIDE ON POND COMMUNITY STRUCTURE AND PROCESSES , 2005 .

[18]  J. S. Lytle,et al.  Growth inhibition as indicator of stress because of atrazine following multiple toxicant exposure of the freshwater macrophyte, Juncus effusus L , 2005, Environmental toxicology and chemistry.

[19]  Matthias Liess,et al.  A comparison of predicted and measured levels of runoff-related pesticide concentrations in small lowland streams on a landscape level. , 2005, Chemosphere.

[20]  Rolf Altenburger,et al.  Predicting and observing responses of algal communities to photosystem ii‐herbicide exposure using pollution‐induced community tolerance and species‐sensitivity distributions , 2005, Environmental toxicology and chemistry.

[21]  M. DeLorenzo,et al.  Relationship between uptake capacity and differential toxicity of the herbicide atrazine in selected microalgal species. , 2004, Aquatic toxicology.

[22]  Christopher J. Madden,et al.  Effects of the Agricultural Pesticides Atrazine, Chlorothalonil, and Endosulfan on South Florida Microbial Assemblages , 2004, Ecotoxicology.

[23]  A. Bérard,et al.  Seasonal changes in the sensitivity of river microalgae to atrazine and isoproturon along a contamination gradient. , 2004, The Science of the total environment.

[24]  U. Dorigo,et al.  Comparison of the ecotoxicological impact of the triazines Irgarol 1051 and atrazine on microalgal cultures and natural microalgal communities in Lake Geneva. , 2003, Chemosphere.

[25]  Sergi Sabater,et al.  Contrasting effects of organic and inorganic toxicants on freshwater periphyton. , 2003, Aquatic toxicology.

[26]  L. Schlüter,et al.  Effects of Exposure Duration of Herbicides on Natural Stream Periphyton Communities and Recovery , 2003, Archives of environmental contamination and toxicology.

[27]  Stacy M. James,et al.  Interactions of an insecticide, herbicide, and natural stressors in amphibian community mesocosms , 2003 .

[28]  Peter Calow,et al.  Population growth rate as a basis for ecological risk assessment of toxic chemicals. , 2002, Philosophical transactions of the Royal Society of London. Series B, Biological sciences.

[29]  J. S. Lytle,et al.  Uptake and loss of chlorpyrifos and atrazine by Juncus effusus L. in a mesocosm study with a mixture of pesticides , 2002, Environmental toxicology and chemistry.

[30]  A. Bérard,et al.  A risk assessment of pollution: induction of atrazine tolerance in phytoplankton communities in freshwater outdoor mesocosms, using chlorophyll fluorescence as an endpoint. , 2002, Water research.

[31]  Valery E. Forbes,et al.  Species Sensitivity Distributions Revisited: A Critical Appraisal , 2002 .

[32]  S. Sabater,et al.  Use of microbenthic algal communities in ecotoxicological tests for the assessment of water quality: the Ter river case study , 2002, Journal of Applied Phycology.

[33]  C. Leboulanger,et al.  A pulse-amplitude modulated fluorescence-based method for assessing the effects of photosystem II herbicides on freshwater periphyton , 2001, Journal of Applied Phycology.

[34]  S. Sabater,et al.  Effects of atrazine on periphyton under grazing pressure. , 2001, Aquatic toxicology.

[35]  A. Bérard,et al.  Pollution-induced community tolerance (PICT) and seasonal variations in the sensitivity of phytoplankton to atrazine in nanocosms. , 2001, Chemosphere.

[36]  Thomas H Meyer,et al.  Terrain Analysis: Principles and Applications , 2001 .

[37]  F. Stagnitti,et al.  Impacts of atrazine in aquatic ecosystems. , 2001, Environment international.

[38]  J. Druart,et al.  Effects of atrazine and nicosulfuron on periphytic diatom communities in freshwater outdoor lentic mesocosms , 2001 .

[39]  A. Bérard,et al.  Effects of Atrazine and Nicosulfuron on Phytoplankton in Systems of Increasing Complexity , 2001, Archives of environmental contamination and toxicology.

[40]  K. Beckmen,et al.  Effects of atrazine on amphibian growth and survival in artificial aquatic communities , 2000 .

[41]  M. Paulsson,et al.  Evaluation of the capacity for development of atrazine tolerance in periphyton from a swedish freshwater site as determined by inhibition of photosynthesis and sulfolipid synthesis , 2000 .

[42]  M. DeLorenzo,et al.  Effects of the agricultural pesticides atrazine, deethylatrazine, endosulfan, and chlorpyrifos on an estuarine microbial food web , 1999 .

[43]  J. Hyland,et al.  Predicting stress in benthic communities of southeastern U.S. estuaries in relation to chemical contamination of sediments , 1999 .

[44]  A. Bérard,et al.  Tolerance of Oscillatoria limnetica Lemmermann to Atrazine in Natural Phytoplankton Populations and in Pure Culture: Influence of Season and Temperature , 1999, Archives of environmental contamination and toxicology.

[45]  J. Novak.  Soil factors influencing atrazine sorption: Implications on fate , 1999 .

[46]  M. DeLorenzo,et al.  Atrazine effects on the microbial food web in tidal creek mesocosms , 1999 .

[47]  A. Bérard,et al.  Seasonal variations in the sensitivity of Lake Geneva phytoplankton community structure to atrazine , 1999 .

[48]  B. Siegfried,et al.  Chronic effects of atrazine on tolerance of a benthic diatom , 1999 .

[49]  Walter L. Ellenberg,et al.  Assessment of risk reduction strategies for the management of agricultural nonpoint source pesticide runoff in estuarine ecosystems , 1999, Toxicology and industrial health.

[50]  E. Barriuso,et al.  Modifications to atrazine degradation pathways in a loamy soil after addition of organic amendments , 1998 .

[51]  A. Carlson,et al.  Comparative sensitivity of five species of macrophytes and six species of algae to atrazine, metribuzin, alachlor, and metolachlor , 1998 .

[52]  Blair D. Siegfried,et al.  Uptake and bioconcentration of atrazine by selected freshwater algae , 1998 .

[53]  Sergi Sabater,et al.  Community composition and sensitivity of periphyton to atrazine in flowing waters: the role of environmental factors , 1998, Journal of Applied Phycology.

[54]  Sergi Sabater,et al.  LIGHT HISTORY INFLUENCES THE SENSITIVITY TO ATRAZINE IN PERIPHYTIC ALGAE , 1998 .

[55]  A. Kotrikla,et al.  Toxicity of the herbicide atrazine, two of its degradation products and the herbicide metolachlor on photosynthetic microorganisms , 1997 .

[56]  Jessica Gurevitch,et al.  MetaWin: Statistical Software for Meta-analysis with Resampling Tests , 1997 .

[57]  R. Libra,et al.  Temporal trends of selected agricultural chemicals in Iowa's groundwater, 1982-1995: Are things getting better? , 1997 .

[58]  R. Lal,et al.  Rapid changes in concentration of herbicides in corn field surface depressions , 1997 .

[59]  Sergi Sabater,et al.  Changes in atrazine toxicity throughout succession of stream periphyton communities , 1997, Journal of Applied Phycology.

[60]  J. Novak,et al.  Long-term tillage effects on atrazine and fluometuron sorption in Coastal Plain soils , 1996 .

[61]  T. L. Point,et al.  Effects of an herbicide and insecticide mixture in aquatic mesocosms , 1994 .

[62]  J. D. Smith,et al.  Freshwater community responses to mixtures of agricultural pesticides: Effects of atrazine and bifenthrin , 1993 .

[63]  H. E. Braun,et al.  Contamination of rural ponds with pesticide, 1971–85, Ontario, Canada , 1990, Bulletin of environmental contamination and toxicology.

[64]  W. Lampert,et al.  Ökotoxikologische Untersuchungen mit Herbiziden in eingeschlossenen Wasserkörpern in-situ. Direkte und indirekte Wirkungen von 2,4-D und Atrazin auf Planktonbiocoenosen und physikalisch-chemische Parameter , 1989 .

[65]  Sharon L. Dewey.  Effects of the Herbicide Atrazine on Aquatic Insect Community Structure and Emergence , 1986 .

[66]  D. Larsen,et al.  Comparisons of single‐species, microcosm and experimental pond responses to atrazine exposure , 1986 .

[67]  Peter M. Chapman,et al.  A Sediment Quality Triad: Measures of sediment contamination, toxicity and infaunal community composition in Puget Sound , 1985 .

[68]  J. Nash,et al.  River flow forecasting through conceptual models part I — A discussion of principles☆ , 1970 .

[69]  Theo C M Brock,et al.  Effects of a herbicide-insecticide mixture in freshwater microcosms: risk assessment and ecological effect chain. , 2009, Environmental pollution.

[70]  M. DeLorenzo,et al.  Atrazine induced species-specific alterations in the subcellular content of microalgal cells , 2007 .

[71]  Jeffrey G. Arnold,et al.  Model Evaluation Guidelines for Systematic Quantification of Accuracy in Watershed Simulations , 2007 .

[72]  W. Admiraal,et al.  Influence of Phosphate on the Response of Periphyton to Atrazine Exposure , 2007, Archives of environmental contamination and toxicology.

[73]  K. Smalling,et al.  Biological and chemical transformation of atrazine in coastal aquatic sediments. , 2006, Chemosphere.

[74]  P. J. van den Brink,et al.  PERPEST Version 1.0, manual and technical description; a model that predicts the ecological risks of pesticides in freshwater ecosystems , 2003 .

[75]  A. Bérard,et al.  Effects of atrazine and nicosulfuron on freshwater microalgae. , 2001, Environment international.

[76]  J. Grobbelaar,et al.  The use of Selenastrum capricornutum growth potential as a measure of toxicity of a few selected compounds , 1996 .

[77]  Fred D. Calder,et al.  Incidence of adverse biological effects within ranges of chemical concentrations in marine and estuarine sediments , 1995 .

[78]  Donald D. MacDonald,et al.  Approach to the Assessment of Sediment Quality in Florida Coastal Waters , 1994 .

[79]  K. Balu,et al.  An Evaluation of Appropriate Expressions of Toxicity in Aquatic Plant Bioassays as Demonstrated by the Effects of Atrazine on Algae and Duckweed , 1988 .

[80]  Frank deNoyelles,et al.  Diet and reproductive success of bluegill recovered from experimental ponds treated with atrazine , 1987, Bulletin of environmental contamination and toxicology.

[81]  Robert Kosinski,et al.  The effect of terrestrial herbicides on the community structure of stream periphyton , 1984 .

[82]  Cort J. Willmott,et al.  On the Evaluation of Model Performance in Physical Geography , 1984 .

[83]  J. Laflen,et al.  Runoff Losses of Surface-Applied Herbicides as Affected by Wheel Tracks and Incorporation 1 , 1979 .

[84]  A. Kadoum,et al.  Herbicide and insecticide residues in tailwater pits: water and pit bottom soil from irrigated corn and sorghum fields. , 1978, Journal of agricultural and food chemistry.

[85]  P. C. Kearney,et al.  Microbial degradation of s-triazine herbicides. , 1970, Residue reviews.