Conference Presentations

A Daphnia key ring. (A gift from N. Zehrbach.)

Presentations: (@ invited talk):

2018 “Send in the clones: Daphnia as a model clonal organism”@ (keynote address), 12th International Clonal Plant Symposium, 29 July–2 Aug., Bowdoin College, Brunswick, ME.

2018 “Don’t go into the light: Phototactic behavior of native Daphnia in the presence of chemical cues from an invasive predator (Bythotrephes longimanus)”, Ecological Society of America, 5-10 August, New Orleans, LA (E. Kiehnau and L.J. Weider, poster).

2018 “Variation in phosphorus use among recombinant Daphnia genotypes”, Society for Freshwater Science, 20-24 May, Detroit, MI, (R. Sherman, B. Cougar, A. Ragavendran, L.J. Weider, and P.D. Jeyasingh).

2017 “Resurrected “ancient” Daphnia genotypes show reduced thermal stress tolerance compared to modern descendants”, Evolution 2017, 23-27 June, Portland, OR (A.M. Yousey, P. Roy Chowdhury, N. Biddinger, J.H. Shaw, P.D. Jeyasingh, and L.J. Weider – I presented the poster).

2017 “Shifting size distributions under intra- and interspecific competition”, Ecological Society of America, 6-11 August, Portland, OR (R. Hartnett and L.J. Weider)

2016 “Identifying QTLs underlying phosphorus use in a resurrected Daphnia mapping population”, 14th Annual Ecological Genomics Symposium, 28-230 October, Kansas City, MO (R.E. Sherman, K.D. Baker, B. Couger, L.J. Weider, and P.D. Jeyasingh, poster).

2016 “Using resurrection ecology to study impacts of environmental change on evolving populations of Daphnia”, Evolution 2016, 17-21 June, Austin, TX

2016 “Comparative transcriptome-based network analysis – connecting gene expression and phenotypes of ancient and modern Daphnia”, ASLO Aquatic Sciences Meeting, 5-10 June, Sante Fe, NM (D. Frisch, P. Roy Chowdhury, D. Becker, P.D. Jeyasingh, L.J. Weider and M. Wojewodzic).

2016 “Intraspecific trait variation and colonization ability in natural assemblages of zooplankton”, Ecological Society of America, 7-12 August, Ft. Lauderdale, FL (R. Harnett and L.J. Weider).

2015 “Differential gene expression of carbonic anhydrases and local adaptation to pH in Daphnia pulicaria”, 13th Annual Ecological Genomics Symposium, 6-8 November, Kansas State U., (B.W. Culver, P.K. Morton and L.J. Weider, poster).

2015 “Evolutionary ecology of phosphorus use in a freshwater zooplankter”@, Elements, genomes, and ecosystems: Cascading nitrogen and phosphorus impacts across levels of biological organization, 1-2 June, Theo Murphy Conference, Royal Society (U.K.) Chicheley Hall, U.K., (P.D. Jeyasingh and L.J. Weider).

2015 “Birds, nutrients, and climate change: Clonal diversity of arctic Daphnia on Svalbard revisited”, Elements, genomes, and ecosystems: Cascading nitrogen and phosphorus impacts across levels of biological organization, 1-2 June, Theo Murphy Conference, Royal Society (U.K.) Chicheley Hall, U.K., (K. Alfsnes, A. Hobæk, L.J. Weider, D.O. Hessen, poster).

2015 “Paleogenetic records of Daphnia pulicaria in two North American lakes reveal the impact of cultural eutrophication”, ASLO Aquatic Sciences Meeting, 22-27 February, Granada, Spain (D. Frisch, P.K. Morton, P. Roy Chowdhury, B. Culver, J. Muñoz, P.D. Jeyasingh, and L.J. Weider).

2014 “Time-after-time: Assessing ecological and genetic variation in Daphnia resting egg banks”, Evolution 2014, 20-24 June, Raleigh, N.C. (L.J. Weider, D. Frisch, P.K. Morton, P. Roy Chowdhury, B.W. Culver, J. Muñoz, and P.D. Jeyasingh).

2014 “Time-after-time: Assessing ecological and genetic variation in Daphnia resting egg banks”, EMBO Daphnia Genomics Consortium Symposium, 19-22 January, U. of Birmingham, U.K. (L.J. Weider, D. Frisch, P.K. Morton, P. Roy Chowdhury, B.W. Culver, J. Muñoz, and P.D. Jeyasingh).

2013 “Paleogenetic records of Daphnia pulicaria in two North American lakes reveal the impact of cultural eutrophication”, 11th Annual Ecological Genomics Symposium, 1-3 November, Kansas City, MO (D. Frisch, P.K. Morton, P. Roy Chowdhury, B. Culver, P.D. Jeyasingh, and L.J. Weider, poster).

2013 “Transcriptomic basis of phosphorus use physiology in Daphnia”, 11th Annual Ecological Genomics Symposium, 1-3 November, Kansas City, MO (P. Roy Chowdhury, D. Frisch, L.J. Weider, A. Ragavendran, J. Lopez, J.K. Colbourne, and P.D. Jeyasingh, poster).

2013 “Competitive superiority based on environmental impacts on population history: A case study in Daphnia pulicaria”, Evolution 2013; 21-25 June, Snowbird, Utah (J. Muñoz, P.D. Jeyasingh, and L.J. Weider, poster).

2012 “Ancient and contemporary Daphnia genotypes differ in transcriptomic response to phosphorus supply”, 10th Annual Ecological Genomics Symposium, 26-28 October, Kansas City, MO ( P.D. Jeyasingh, P. Roy Chowdhury, L.J. Weider, A. Ragavendran, J. Lopez, and J.K. Colbourne).

2012 “Ecological genomics in a time capsule – integrating RAD sequencing and resurrection ecology in the water flea, Daphnia pulicaria”. 10th Annual Ecological Genomics Symposium, 26-28 October, Kansas City, MO (P.K. Morton, D. Frisch, and L.J. Weider, poster).

2012 “A millennial-scale chronicle of evolutionary responses to cultural eutrophication in Daphnia”. 10th Annual Ecological Genomics Symposium, 26-28 October, Kansas City, MO (D. Frisch, P.K. Morton, P. Roy Chowdhury, B. Culver, L.J. Weider, and P.D. Jeyasingh, poster).

2012 “Transcriptomic analyses of a genotype X environment interaction in two co-existing Daphnia genotypes”. 10th Annual Ecological Genomics Symposium, 26-28 October, Kansas City, MO (P. Roy Chowdhury, L.J. Weider, P.D. Jeyasingh, poster).

2012 “Evolution of carbonic anhydrases and their role in acid-base regulation in Daphnia pulicaria”. 10th Annual Ecological Genomics Symposium, 26-28 October, Kansas City, MO (B. Culver, P.K. Morton, and L.J. Weider, poster).

2012 “Clonal diversity of a Daphnia hybrid complex in a lake undergoing environmental change”, Evolutionary ecology and management of aquatic ecosystems, 22-23 November, EAWAG, Dubendorf, Switzerland (D. Straile, T. Jankowski, and L.J. Weider).

2012 “Human impacts on evolutionary response in a Daphnia population observed over 1600 years”. Evolution 2012, 6-11 July, Ottawa, Canada (D. Frisch, P.K. Morton, P. Roy Chowdhury, B. Culver, L.J. Weider, and P.D. Jeyasingh, poster).

2012 “Competitive superiority after ~700 years of adaptation in Daphnia pulicaria”. Evolution 2012, 6-11 July, Ottawa, Canada (P.K. Morton, D. Frisch, P.D. Jeyasingh, and  L.J. Weider, poster).

2012 “Evolution of carbonic anhydrases and their role in acid-base regulation in Daphnia pulicaria”. Society of Molecular Biology and Evolution (SMBE), 23-26 June, Dublin, Ireland (B. Culver, P.K. Morton, and L.J. Weider, poster).

2011 “Time traveling on the road to ecological genomics: reconstruction of temporal population genetic structure in Daphnia in response to environmental change”. 9th Annual Ecological Genomics Symposium, 4-6 November, Kansas City, MO, (D. Frisch, P.K. Morton, B. Culver, P.D. Jeyasingh and L.J. Weider, poster).

2011 “Dietary stoichiometry and the performance of Daphnia genotypes: transcriptomic analyses of a genotype x environment interaction”. 9th Annual Ecological Genomics Symposium, 4-6 November, Kansas City, MO, (P.D. Jeyasingh, A. Ragavendran, L.J. Weider, and J.K. Colbourne, poster).

2011 “Time travelling: The use of resurrection ecology to reconstruct spatio-temporal population genetic structure in Daphnia”. IXth International Symposium on Cladocera 2-8 October, Verbania, Italy (L.J. Weider, D. Frisch, P. Morton, B. Culver, P. Roy Chowdhury and P.D. Jeyasingh.)

2011 “Time travelling: The use of resurrection ecology to reconstruct spatio-temporal population genetic structure in Daphnia”. Society for the Study of Evolution (SSE) 17-21 June, Norman, Oklahoma (D. Frisch, P. K. Morton, B. Culver, P.D. Jeyasingh and L.J. Weider – poster).

2011 “Evolution in a changing world: cultural eutrophication and the physiological response of extant and “resurrected” Daphnia genotypes to dietary imbalances”. Society for the Study of Evolution (SSE) 17-21 June, Norman, Oklahoma (P. R. Chowdhury, L.J. Weider, and P.D .Jeyasingh).

2010 “Population genetic structure of the invasive freshwater cladoceran, Daphnia lumholtzi, in North America”, Society for the Study of Evolution (SSE), 25-29 June, Portland, Oregon, U.S.A. (L.J. Weider, D. Frisch, and J.E. Havel).

2009 “Population genetics and resurrection ecology: A synthesis”@ (keynote address), Resurrection Ecology Symposium, 13-18 September, Herzberg, Switzerland.

2009 “Spatial and temporal genetic heterogeneity of the exotic, invasive cladoceran, Daphnia lumholtzi in Lake Texoma, U.S.A.”, World Conference on Biological Invasions and Ecosystem Functioning (BIOLIEF), 27-30 October, Porto, Portugal (D. Frisch and L.J. Weider).

2009 “Long-term changes in metapopulation genetic structure: A quarter-century retrospective study on low-arctic rock pool Daphnia”, Society for the Study of Evolution (SSE), 12-17 June, U. of Idaho, Moscow, Idaho, U.S.A. (L.J. Weider, D. Frisch, and P.D.N. Hebert).

2008 “The exotic invasive cladoceran Daphnia lumholtzi – an example of the application of population genetic tools”@, 10th International Conference on Copepoda, 13-19 July, Pattaya, Thailand (D. Frisch and L.J. Weider).

2008 “Seasonal changes in the population genetic structure of the exotic invasive cladoceran Daphnia lumholtzi”, American Society of Limnology and Oceanography (ASLO), 8-13 June, Memorial University, St. John’s, NFLD, Canada (D. Frisch and L.J. Weider).

2007 “The ecological genetics of the exotic invasive cladoceran Daphnia lumholtzi@, Fifth International Symposium on Ecological Genetics, Belgian Fund for Scientific Research (FWO-Vlaanderen), 5-7 February, Katholieke Universiteit Leuven, Belgium (L.J. Weider and L.B. Harolds).

2007 “Identifying genes involved in the processing of biogenic elements in Daphnia”, Daphnia Genomics Consortium Meeting, 7-9 July 2007, Indiana University, Bloomington (P.D. Jeyasingh and L.J. Weider, poster).

2007 “The ecological genetics of the exotic invasive cladoceran, Daphnia lumholtzi”, 30th Congress of the International Society of Limnology (SIL), 12-18 August 2007, Montreal, Québec, Canada, (L.J. Weider, D. Frisch, and L.B. Harold).

2006 “Integration of ecology, physiology, and evolution in planktonic systems: A tribute to Winfried Lampert’s contributions”@ (keynote address), Perspectives in Aquatic Ecology: A Symposium dedicated to Prof. Winfried Lampert, 30 September, Plön, Germany.

2006 “Bio(genetic) diversity impacted by food quality and quantity: Competition and coexistence in a Daphnia clonal assemblage” American Society for Limnology & Oceanography, 4-9 June, Victoria, British Columbia (L.J. Weider, P.D. Jeyasingh, & K.G. Looper).

2006 “Genetic diversity effects on ecosystem function: Grazing rates in clonal versus non-clonal Daphnia clonal assemblages” American Society for Limnology & Oceanography, 4-9 June, Victoria, British Columbia (C.W. Hargrave, K.D. Hambright, & L.J. Weider).

2005 “Inter- and intra-specific coupling of growth rate and body stoichiometry in Daphnia: A role for maintenance processes?” American Society for Limnology & Oceanography, 19-24 June, Santiago de Compostela, Spain (M. Kyle, K. Acharya, L.J. Weider, K. Looper & J.J. Elser, poster presentation).

2004 “Genotype x environment interactions, food quality effects and clonal coexistence in Daphnia”, Society for the Study of Evolution, 26-30 June, Colorado State University. (L.J. Weider, W. Makino, K. Acharya, K.L. Glenn, M. Kyle, J. Urabe & J.J. Elser).

2003 “rDNA intergenic spacer length variation and its significance for growth rates of organisms”@, NSF Integrated Research Challenges in Environmental Biology (IRCEB): Biological Stoichiometry from Genes to Ecosystems, Society for Integrative and Comparative Biology (SICB) Annual Meeting, 4-8 January, Toronto, Ontario, Canada.

2003 “Clonal architecture and diversity of a Daphnia hybrid complex in a lake undergoing environmental change”, Third International Symposium on “Ecological Genetics”, Belgian Fund for Scientific Research (FWO-Vlaanderen), 5-7 February, Katholieke Universiteit Leuven, Belgium (D. Straile, T. Jankowski, and L.J. Weider).

2002 “The Role of History and Deterministic Forces in Shaping Bio(genetic) Diversity Among the Freshwater Zooplankton”@ (keynote address), NSF-Biodiversity Symposium: Scaling Up & Down in Aquatic Systems, Univ. of Michigan, 29 Sept. – 2 Oct.

2002 “Propagule banks as Repositories of Genetic & Ecological Information”@, NSF-Biodiversity Symposium: Scaling Up & Down in Aquatic Systems, Univ. of Michigan, 29 Sept. – 2 Oct.

2002 “Elemental composition, growth rates, and rDNA structure in the genus, Daphnia”@. Ecological Society of America, Univ. of Arizona, Tucson, 4-9 August, (L.J. Weider, K.L. Glenn, M. Kyle, and J.J. Elser).

2001 “rDNA spacer length, growth rates, and biological stoichiometry in the genus Daphnia. Society for the Study of Evolution, Univ. Tennessee, 26-30 June, (L.J. Weider, T.J. Crease, and J.J. Elser).

2001 “Clonal diversity in Daphnia tenebrosa as assessed by microsatellites”, Society for the Study of Evolution, Univ. Tennessee, 26-30 June (F. Dufresne, L.J. Weider, and J.K. Colbourne, poster).

2001 “Phylogeography in the Arctic Realm: A Circumpolar Study of the Daphnia pulex complex”@, International Symposium on Ecological Genetics, Belgian National Science Foundation, University of Antwerp, 31 January – 2 February, Antwerp, Belgium.

1999 “Phylogeography and Arctic Biodiversity: A Circumpolar Study of the Daphnia pulex Complex”@, Northern Dimensions to Biodiversity: From Arctic to Boreal Ecosystems, Finnish Academy of Sciences – FIBRE – Finnish Biodiversity Research Programme, 20-23 November, Ivalo, Finland.

1998 “Genetic variation in ancient cladoceran resting eggs associated with environmental shifts during the past millenium”, Society for the Study of Evolution, 20-24 June, U. of British Columbia, Canada (P. Limburg, J.K. Colbourne, L.J. Weider, and J. Wiethold).

1998 “Genetic shifts in Daphnia diapausing egg banks: Reflection of the eutrophication history of Lake Constance?”; International Society for Limnology (S.I.L.), 9-14 August, Dublin, Ireland (W. Lampert & L.J. Weider)

1998 “The role of diapausing propagules in influencing spatial and temporal genetic structure”@Ecological Genetics: Isolation by Distance, Catholic University of Leuven, 2-3 February, Leuven, Belgium.

1998 “Arctic Orphans in Middle Europe: Glacial Relicts Revealed by Allozyme and RFLP Analyses of Daphnia from Alpine Lakes”?@, Advances in Molecular Ecology, NATO Advanced Study Institute, 20-31 March, Erice, Sicily, Italy (M. Cerny & L.J. Weider; poster).

1997 “Genetische Diversität von Daphnia Dauereiern im Sediment des Belauer Sees”, Deutsche Gesellschaft für Limnologie, 15-19 September, University of Frankfurt, Germany (P. Limburg, J.K. Colbourne, & L.J. Weider).

1997 “Genetic diversity in ancient Daphnia resting eggs”. Diapause in the Crustacea: 2nd International Symposium, 24-29 August 1997, Ghent, Belgium. (P. Limburg, J.K. Colbourne, L.J. Weider, W. Lampert, & M. Wessels).

1997 “Long-term genetic shifts in microcrustacean egg bank associated with anthropogenic changes in Lake Constance ecosystem.”@  Diapause in the Crustacea: 2nd International Symposium, 24-29 August 1997, Ghent, Belgium. (L.J. Weider, P. Limburg, J.K. Colbourne, W. Lampert, & M. Wessels).

1997 “The influence of ephippial hatchlings on the clonal composition of a Daphnia magna population”. Diapause in the Crustacea: 2nd International Symposium, 24-29 August 1997, Ghent, Belgium. (S.E. Mitchell, L.J. Weider, & G.R. Carvalho).

1997 “Genetic analysis of ephippial egg banks of Daphnia magna using microsatellite VNTRs”. Diapause in the Crustacea: 2nd International Symposium, 24-29 August 1997, Ghent, Belgium. (C. Clabby, J.K. Colbourne, L.J. Weider, P.D.N. Hebert, & G.R. Carvalho).

1996 “Apomixis, polyploidy, and the success of parthenogens in marginal habitats: A case study of arctic Daphnia@. Geographic Parthenogenesis: A Model System in Evolutionary Ecology, Fifth International Congress of Systematic and Evolutionary Biology (ICSEB V), 17-23 August, Budapest, Hungary.

1996 “Post-glacial phylogeography of the circumarctic Daphnia pulex complex”. Fiftieth Anniversary of the Founding of the Society for the Study of Evolution, 19-23 June, Washington University, St. Louis, Missouri. (J. K. Colbourne, L. J. Weider, T. J. Crease, A. Hobæk, and P. D. N. Hebert).

1995 “Biogeography and ecological genetics in an arctic apomictic Daphnia complex”@.  Evolutionary Genetics and Adaptation, Jacques Monod Conference (CNRS), 25-29 September, Aussois, France.

1995 “Phylogeography and ecological genetics of a circumarctic apomict, Daphnia pulexSociety for the Study of Evolution, 8-12 July, Montreal, Canada.

 1994 “Environmental heterogeneity and the maintenance of clonal diversity”@.Deutsche Forschungsgemeinschaft (DFG) sponsored Symposium, Interface between Ecology and Evolutionary Genetics, 30 October – 4 November, Schloß Ringberg, Germany.

 

Additional Presentations:

1993 Third International Symposium on Cladocera, Bergen, Norway

1993 European Science Foundation, Evolutionary Ecology of Clonal Organisms, Plön, Germany

1992 European Science Foundation, Population Biology Program, Basel, Switzerland@

1992 European Science Foundation, Gregynog, Wales@

1992 Genetics & Evolution of Aquatic Organisms, U. of Bangor, Wales

1991 European Society for Evolutionary Biology, Debrecen, Hungary (poster)

1991 Population Genetics Group Meeting, U. of Manchester, U.K. (poster)

1989 Society for Study of Evolution, Penn State U.

1987 European Society for Evolutionary. Biology, U. of Basel, Switzerland (poster)

1986 Ontario Ecology & Ethology Colloquium, York Univ., Canada

1985 Ecological Society of America (ESA), U. of Minnesota

1983 ESA, U. of North Dakota

1982 American Society of Limnology & Oceanography (ASLO), North Carolina State U.

1981 ASLO, U. of Wisconsin-Milwaukee