....at the North American Diatom Symposium

The 23rd NADS was held at the Central Michigan University Biological Station from 9-13 September on Beaver Island, 20 miles off the coast of Charlevoix, MI in northern Lake Michigan.

Elizabeth E. Alexson, Euan D. Reavie, and Rich P. Axler LONG-TERM DIATOM RECORDS TO SUPPORT DELISTING EFFORTS ON A GREAT LAKES ESTUARY

Lisa R. Allinger and Euan D. Reavie THE ECOLOGICAL HISTORY OF LAKE ONTARIO ACCORDING TO PHYTOPLANKTON

Jelena Andrejic, Ellen France, and Kalina M. Manoylov MICROPHYTOBENTHOS DIVERSITY FROM MUDFLATS ALONG THE SAVANNAH RIVER ESTUARY

Andresen, N.A., Edlund, M.B., and Burge, D.R.L. SEMIORBIS IN THE UNITED STATES

Laura L. Aycock, Nathan Smucker, Morgan L. Vis, and Kalina M. Manoylov PHYSIOLOGY AND DESCRIPTION OF ABNORMAL LIVE AND DEAD DIATOMS FROM AGRICULTURALLY IMPACTED STREAMS IN OHIO

Elizabeth A. Bergey, Nina Desianti, and Joshua T. Cooper THOSE BELOW DAM DIATOMS

Ian Bishop and Sarah Spaulding POPULATION-LEVEL PATTERNS OF SIZE DISTRIBUTION, REDUCTION AND RESTORATION IN THE NUISANCE DIATOM DIDYMOSPHENIA GEMINATA

Rebecca Bixby, Sherri Johnson,, and Linda Ashkenas EFFECTS OF FOREST HARVEST METHODS ON DIATOM COMMUNITIES IN HEADWATER STREAMS

Andrew J. Bramburger, Euan D. Reavie, Gerald V. Sgro, Lisa R. Estepp, Victoria L. Shaw Chraïbi, and Robert W. Pillsbury LIKE A FRIGHTENED TURTLE: HISTORICAL “SHRINKAGE” IN GREAT LAKES DIATOMS?

David Burge, Ian Bishop, Natalie Hoidal, Mark Edlund, and Marina Potapova SEASONALITY AND ONTEGENY IN DIATOMA VULGARIS

Emon K. Butts and Hunter J. Carrick PHYTOPLANKTON SEASONALITY ACROSS A GRADIENT OF ISLAND LAKES AND LAKE MICHIGAN: IMPORTANCE OF WINTER PHYTO-FLAGELLATES

Emon K. Butts, Kristy Phillips, Henry Vanderploeg, and Hunter J. Carrick TAXONOMIC COMPOSITION OF NEAR VERSUS OFFSHORE PHYTOPLANKTON IN LAKE MICHIGAN: CAN EPISODIC EVENTS PROMOTE DIATOM GROWTH?

Hunter J. Carrick ALGAL METRICS AND THE DETERMINATION OF NUTRIENT CRITERIA FOR PENNSYLVANIA STREAMS

Hunter J. Carrick, Emon K. Butts, Daniella M. Daniels, Melanie Fehringer, Christopher Frazier, Gary L. Fahnenstiel, Steven Pothoven, and Henry A. Vanderploeg VARIATION IN THE ABUNDANCE OF PICO, NANO, AND MICROPLANKTON IN LAKE MICHIGAN: HISTORIC AND BASIN-WIDE COMPARISONS

Donald Charles, Sonja Hausmann, and Chris Vito DOCUMENTING AND ARCHIVING DATA FROM DIATOM ECOLOGICAL STUDIES: SOME GUIDELINES

Victoria L. S. Chraïbi and Sherilyn C. Fritz RESILIENCE OF AQUATIC COMMUNITIES IN NATURALLY FISHLESS LAKES IN YELLOWSTONE NATIONAL PARK TO FISH STOCKING

Alexander L. Clark and Rebecca J. Bixby FIRE ASH IMPACTS ON DIATOM POPULATION GROWTH: A MICROCOSM STUDY

Ben C. Conklin, Jordyn T. Stoll, and Julie A. Wolin LAKE ACACIA CHARACTERIZATION BY LOSS ON IGNITION CARBON AND DIATOM ASSEMBLAGES

Gabrielle M. Costello, Steven N. Francoeur, and Matthew J. Cooper DIATOMS INDICATE FREQUENT NITROGEN STRESS IN GREAT LAKES COASTAL WETLANDS

Daniella M. Daniels, Shannon Bradley, Kimberly A. Carrick, Mariena Hurley, and Hunter J. Carrick EVALUATING LINKS BETWEEN BENTHIC BIOFILMS AND WATER QUALITY PARAMETERS FOR STREAMS IN SOUTHEASTERN PENNSYLVANIA

John Diller and Hunter J. Carrick PATTERNS IN DIATOM (BACILLARIOPHYTA) TAXONMIC DIVERSITY AMONG ISOLATED WETLANDS ON BEAVER ISLAND (MICHIGAN, USA)

Mark B. Edlund, Euan D. Reavie, Shawn Schottler, Nolan Baratono, N., Andrew M. Paterson, A.M., and Daniel R. Engstrom A HISTORICAL PHOSPHORUS BUDGET FOR LAKE OF THE WOODS: LEGACY LOADS STILL AFFECT THE SOUTHERN BASIN

Mark B. Edlund and David R.L. Burge DIATOMA EHRENBERGII – AN INTRODUCED SPECIES IN THE GREAT LAKES?

Mark B. Edlund and Dennis Vander Meer THE GENUS DELICATA IN THE UNITED STATES

P.C. Furey BEAUTY OF ICELAND: A GUIDED TOUR OF SUBAERIAL ALGAL ASSEMBLAGES

Brenna Glas and Robert Pillsbury THE IMPORTANCE OF NUTRIENTS ON THE SUCCESSIONAL PATTERNS OF THE EPIPSAMMIC COMMUNITY OF DOUGLAS LAKE, MI

Michael R. Gretz DIATOM EXTRACELLULAR POLYMERIC SUBSTANCES

Paul B. Hamilton, Keely E. Lefebvre, and Roger D. Bull A COMPREHENSIVE APPROACH TO DIATOM TAXONOMIC GENETIC STUDIES AND BARCODING FROM SINGLE CELL PCR AMPLIFICATIONS USING FRESH AND PRESERVED SAMPLES

Sonja Hausmann, Donald Charles, Thomas Belton, and Jeroen Gerritsen A DIATOM-BASED BIOLOGICAL CONDITION GRADIENT (BCG) APPROACH FOR ASSESSING IMPAIRMENT AND DEVELOPING NUTRIENT CRITERIA FOR STREAMS

Karista Hudelson, Isabelle Lavoie, and Paul E. Drevnick CANADIAN SHEILD LAKE IN PARC NATIONAL DE LA MAURICIE, QUÉBEC

Kelli Z. Hunsucker and Geoffrey W. Swain STATIC VS DYNAMIC SETTLEMENT AND ADHESION OF DIATOMS TO SHIP HULL COATINGS

Mariena K. Hurley and Hunter J. Carrick DIEL DISSOLVED OXYGEN SWINGS IN STREAMS (PENNSYLVANIA, USA): IMPORTANCE OF BENTHIC PRIMARY PRODUCTION & NUTRIENTS

Donna K. King, Daniel E. Wujek, and Hunter J. Carrick CONTRIBUTIONS OF MATTHEW H. HOHN TO DIATOMS AND THE CENTRAL MICHIGAN UNIVERSITY BIOLOGICAL STATION

J.P. Kociolek FRESHWATER DIATOM BIOGEOGRAPHY 2.0

J.P. Kociolek, E.C. Theriot, M.P. Ashworth, and D.M. Williams TOWARDS A NATURAL CLASSIFICATION FOR THE DIATOMS

Sylvia Lee, Emma Rosi-Marshall, Alexis Paspalof, John Kelly, and Sujay Kaushal EFFECTS OF URBAN CHEMICAL STRESSORS ON STREAM BIOFILMS

Keely E. Lefebvre and Paul B. Hamilton MORPHOLOGY AND MOLECULAR STUDIES ON LARGE NEIDIUM SPECIES OF NORTH AMERICA, INCLUDING AN EXAMINATION OF EHRENBERG’S TYPES

Rex L. Lowe, Jennifer Ress, and Jeff Johansen WILL THE REAL NAVICULA PERPUSILLA GRUN. PLEASE STAND UP?

Kalina M. Manoylov, Michele P. Brossett, Cody Jones, and Brad Konwick DIATOM COMMUNITY ATTRIBUTES IN ESTABLISHING NUTRIENT CRITERIA FOR GEORGIA STREAMS

Shigeki Mayama and Hiroko Nakamura TRANSPARENT VS. OPAQUE SAND: VARIATION IN COMPOSITION AND ABUNDANCE OF INTERTIDAL EPIPSAMMIC DIATOM COMMUNITIES

Mengjie AnnaYu, Matt P Ashworth, Edward C Theriot, Jamal S Sabir, and Robert K Jansen INSIGHTS ON DIATOM EVOLUTION FROM FORTY DIATOM PLASTID GENOMES

Gary J.E. Michaud and Hunter J. Carrick PHYTOPLANKTON RESPONSE TO NUTRIENT ENRICHMENT IN LAKES MICHIGAN AND SUPERIOR: A LINK BETWEEN GROWTH AND POLY-P

David F. Millie and Gary Weckman ‘ROBO-ECOLOGY’ & THE FOURTH PARADIGM: EMPOWERING HAB PREDICTIVE ANALYTICS & KNOWLEDGE DISCOVERY RELEVANT TO GREAT LAKES STEWARDSHIP

Alison Minerovic and Frank Acker RELATING DIATOM ASSEMBLAGES TO SUB-WATERSHED CLUSTERS OF THE DELAWARE RIVER WATERSHED INITIATIVE

Noriaki Nakamura, Matthew Julius, Yoshiaki Maeda, Tsuyoshi Tanaka, Koichiro Fujimoto and Shigeki Mayama COMPARISONS OF MORPHOLOGICAL CHARACTERS IN THE ORGANIC LAYERS UNDERLINING SILICIFIED CELL WALLS OF DIATOMS

Paula J. Noble, Irene Tunno, Scott Mensing, and Gianluca Piovesan TWO CENTURIES OF VARIATIONS IN DIATOMS AND ELEMENTAL GEOCHEMISTRY FROM LAGO LUNGO, RIETI BASIN, LAZIO, ITALY

Robert W. Pillsbury, Cathy Kilroy, Mark B. Edlund, and Brenna Glas CAN VARIATION IN THE VALVE MORPHOLOGY OF DIDYMOSPHENIA GEMINATA TELL US ANYTHING ABOUT ITS RECENT HISTORY?

Marina Potapova, Nina Desianti, Mihaela Enache, and Thomas Belton TRACKING EUTROPHICATION OF NEW JERSEY COASTAL LAGOONS WITH DIATOMS

Euan D. Reavie, Gerald V. Sgro, Lisa R. Estepp, Andrew J. Bramburger, Victoria L. Shaw Chraïbi, Robert W. Pillsbury, and Craig A. Stow THE RISE OF CYCLOTELLA IN 90 % OF NORTH AMERICA’S SURFACE WATER

Steven T. Rier, Keith C. Kinek, Sarah E. Hay, and Steven N. Francoeur POLYPHOSPHATE MAY PLAY A KEY ROLE IN THE PHOSPHORUS DYNAMICS OF DIATOM-DOMINATED PERIPHYTON IN OLIGOTROPHIC STREAMS

Nick O. Schulte and Evelyn E. Gaiser AUTOTROPHIC AND HETEROTROPHIC MICROBIAL RESPONSES TO PHOSPHORUS ENRICHMENT IN THE FLORIDA EVERGLADES

Nick Schulte, Elaine Jordan, James Woodell, Mac Flack, Irene Tunno, Sabrina Kamae, Sergio Mendoza, Joanna Gauthier, Blamaki Behnaz, Eilleen Salas, David Burge, Sylvia Lee, and Mark Edlund A CLOSER LOOK AT ENCYONEMA REIMERI

Spaulding, S.A., Rushforth, S., Potapova, M., Lowe, R.L., Kociolek, J.P. and Edlund, M.B. A FIVE-YEAR PROGRESS REPORT: DIATOMS OF THE US

Jeffery R. Stone, Karlyn S. Westover, Matthew D. Brindle, and Joseph Mohan PLIO-PLEISTOCENE DIATOMS FROM THREE EAST AFRICAN RIFT LAKES

Gerald V. Sgro and Euan D. Reavie A BENTHIC DIATOM METRIC FOR NEARSHORE LAKE ERIE

R. Jan Stevenson, Tang Tao, and Bo Liu ALGAE AND NATIONAL BIOASSESSMENTS IN STREAMS, LAKES, WETLANDS AND COASTAL ZONES OF THE UNITED STATES: SUCCESSES AND CHALLENGES

Holly L. Sweat, Geoffrey W. Swain, and Kevin B. Johnson SHIP HULL TRANSPORT OF MARINE DIATOMS THROUGH FRESHWATER

Shayna M. Taylor, John M. Regan, Nicholas Locke, Sheila Saia, Todd Walters, Anthony R. Buda, and Hunter J. Carrick POLYPHOSPHATE ACCUMULATION BY BENTHIC BIOFILMS IN PENNSYLVANIA STREAMS

Edward C. Theriot, Matthew Ashworth, Mariska Brady, Leslie Goertzen, and Teofil Nakov WHERE BARCODES FEAR TO TREAD: THE MODERN STEPHANODISCUS FLORA IS A RESULT OF A SERIES OF RECENT AND RAPID RADIATIONS

Irene Tunno, Paula Noble, and Claire Archer DIATOM SURVEY OF LAGO DI RIPASOTTILE AND LAGO LUNGO, THE RIETI BASIN, LAZIO, ITALY

Jana Veselá, Markéta Bohunická, and Jan Kaštovský TWO NEW EUNOTIA SPECIES FROM THE TABLE MOUNTAIN CHURÍ-TEPUI, CHIMANTÁ MASSIF, VENEZUELA

Maria Célia Villac, Irena Kaczmarska, and James M. Ehrman DIATOMS FROM SHIP BALLAST SEDIMENTS

Jonathan P. Warnock A DIATOM-BASED HOLOCENE HISTORY OF THE ÅNGERMANÄLVEN ESTUARY, IODP EXPEDITION 7 – BALTIC SEA PALEOENVIRONMENTS

James L. Wee, David F. Millie, Ngan K. Nguyen, Johnathan Patterson, Rose Ann Cattolico, David E. John, and John H. Paul GROWTH AND BIOCHEMICAL RESPONSES OF SKELETONEMA COSTATUM TO PETROLEUM CONTAMINATION

Julie A. Wolin, Megan Dunleavy, Tom Bienvenu, Justin Ostry, and Amelia Visnauskas URBAN LAKE ASSESSMENT: WATER QUALITY AND LAKE CONDITION IN CUYAHOGA COUNTY, OHIO

Shelly Wu and Elizabeth A. Bergey FRESHWATER TURTLES AND THEIR EPIZOOIC DIATOM ASSEMBLAGES

Naida Zulovic, Michael Vujanovic, Omar Morales Luna, and Jennifer E. Slate PALEOLIMNOLOGICAL INDICATORS IN A 6,000-YEAR SEDIMENT CORE FROM VOLO BOG, A SPHAGNUM WETLAND IN NORTHEASTERN ILLINOIS