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Note: TABLE OF CONTENTS I INTRODUCTION II SUMMARY OF METHODS OF GROUND WATER DETECTION A. Geophysical Methods Gravimetric Method Magnetic Method Seismic Method Electrical Resistivity Method Electrical, Radioactive and Temperature Logging Methods B. Tracer Methods Dyes as Ground Water Tracers Tracers Detected by Chemical Determinations Radioactive Tracers III LABORATORY AND FIELD STUDIES OF GROUND WATER TRACERS Ion Exchange in Soils Lysimeter Studies of Fluorescein, Chloride and Iodine-131 Comparison of Stable and Radioactive Calcium Tritium Studies Injection Well Studies of Fluorescein, Dextrose, and Iodine-131 IV CONCLUSIONS AND RECOMMENDATIONS A. Geophysical Methods B. Tracer Methods V ABSTRACT OF LITERATURE PERTAINING TO GROUND WATER DETECTION A. Geophysical Methods B . Tracer Methods

Note: Contents Part I Unraveling Microbial Diversity and Their Processes Phagotrophic Protists: Central Roles in Microbial Food Webs / Evelyn B. Sherr and Barry F. Sherr Overview Protists as Elemental Recyclers Protists as Consumers of Bacteria Protists as Consumers of Phytoplankton Protists in High Latitude Food Webs Looking to the Future References Drivers That Structure Biodiversity in the Plankton / Tatiana A. Rynearson and Susanne Menden-Deuer Plankton Biodiversity Alternate Hypotheses That Explain the Paradox of the Plankton An Organismal Perspective on the Paradox of the Plankton: A Biodiversity Explosion from Within? Linking Individual Level Behaviors with Plankton Ecology Pervasive Intra-specific Variability in the Genetic Diversity, Physiological Capacity, and Behavioral Repertoire of Plankton Evolution: Generating and Structuring Diversity over the Long Term Opportunities for Progress References The Elongated, the Squat and the Spherical: Selective Pressures for Phytoplankton Shape / Lee Karp-Boss and Emmanuel Boss Introduction Effects of Shape on Diffusion Other Selective Pressures References Crossing the Freshwater/Saline Barrier: A Phylogenetic Analysis of Bacteria Inhabiting Both Freshwater and Marine Ecosystems / Mina Bižić-Ionescu and Danny Ionescu Introduction Recent Data on Shared Taxa Synthesis of Published Sequence Data Future Perspectives References Approaches and Challenges for Linking Marine Biogeochemical Models with the “Omics” Revolution / Victoria J. Coles and Raleigh R. Hood Introduction Bridging the Cultural and Structural Divide Relating Existing Omics to Current Biogeochemical Models Near-Term Innovation Conclusions References Part II Viewing Growth and Trophodynamics Through a Stoichiometric Lens Out of Africa and into Stoichiometry / Susan S. Kilham and Peter Kilham References Exploring the Implications of the Stoichiometric Modulation of Planktonic Predation / Aditee Mitra and Kevin J. Flynn Introduction Characterising the Predator–Prey Stoichiometric Link Elemental Stoichiometry and Commercial Microalgal Production Effects of Temperature, Ocean Acidification and Nutrient Excess Avoiding Predation Stoichiometry and Mixotrophy Conclusions References . Part III Understanding the Mysteries of Light and Nitrogen On Saturating Response Curves from the Dual Perspectives of Photosynthesis and Nitrogen Metabolism / Todd M. Kana and Patricia M. Glibert Introduction Static vs. Dynamic Behavior Gradient Signals and Dynamics of Response Curves Overall Perspective on Dynamic Kinetics References Nitrate Reductase: A Nexus of Disciplines, Organisms, and Metabolism / Erica B. Young and John A. Berges Introduction Why Nitrate Reductase? Understanding That Has Emerged from Recent NR Measurements Recent Advances and Emerging Challenges Conclusion References The Ammonium Paradox of an Urban High- Nutrient Low-Growth Estuary / Frances Wilkerson and Richard Dugdale High-Nutrient Low-Growth Estuaries and Oligotrophication Observation of an Ammonium Paradox Ammonium: The Gatekeeper Controlling Access to Nitrate References Why Is Planktonic Nitrogen Fixation So Rare in Coastal Marine Ecosystems? Insights from a Cross-Systems Approach / Roxanne Marino and Robert W. Howarth References Where Light and Nutrients Collide: The Global Distribution and Activity of Subsurface Chlorophyll Maximum Layers / Greg M. Silsbe and Sairah Y. Malkin At the Confluence of Light and Nutrients Distribution of Marine SCMLs Phytoplankton Production in SCMLs Subsurface Chlorophyll Maximum Layers in Lakes References Part IV Looking in the Rear View Mirror: The Long View on Changing Ecosystems An Ecosystem in Transition: The Emergence of Mixotrophy in the Arabian Sea / Joaquim I. Goes and Helga do R. Gomes Introduction Materials and Methods Results and Discussion References The Saint Lawrence Island Polynya: A 25-Year Evaluation of an Analogue for Climate Change in Polar Regions / Jacqueline M. Grebmeier and Lee W. Cooper Introduction Synthesis Results and Discussion The Northern Bering Sea: Interannual Variability and Change Benthivores Overall Summary References Ecological Processes and Nutrient Transfers from Land to Sea: A 25-Year Perspective on Research and Management of the Seine River System / Josette Garnier and Gilles Billen Introduction 1850–1990: Organic Pollution and Oxygen 1990–2000: Eutrophication and Algal Bloom 2000–2015: Agricultural Pollution and Nitrate Contamination Conclusion: From Microbial Ecology to Territorial Biogeochemistry References A Historical Perspective on Eutrophication in the Pensacola Bay Estuary, FL, USA / Jane M. Caffrey and Michael C. Murrell Introduction Pensacola Bay Physical Setting Human Colonization of Pensacola Bay River and Estuarine Water Quality Controls on Primary Production, Organic Matter, and Nutrient Cycling Summary References Unpublished Reports Websites Meeting in the Middle: On the Interactions Between Microalgae and Their Predators or Zooplankton and Their Food / Karen H. Wiltshire and Maarten Boersma Introduction Materials and Methods Results Discussion References Lake Transparency: A Window into Decadal Variations in Dissolved Organic Carbon Concentrations in Lakes of Acadia National Park, Maine / Collin Roesler and Charles Culbertson Introduction Methods Results Discussion References Part V Focusing on Unique Systems, Processes and Dynamics Phytoplankton Biodiversity in the Oligotrophic Northwestern Sargasso Sea / James L. Pinckney and Tammi L. Richardson Introduction Materials and Methods Results Discussion References Biological Oceanography of the Gulf of Carpentaria, Australia: A Review / Peter C. Rothlisberg and Michele A. Burford Introduction Study Area Currents and Hydrography Phytoplankton and the Role of Nutrients Zooplankton Penaeid Prawn Larval Ecology Larval Dispersal Mechanisms Summary Points References Discerning the Causes of Toxic Cyanobacteria (Lyngbya majuscula) Blooms in Moreton Bay, Australia / Judith M. O’Neil and William C. Dennison Introduction Nutrient Interactions Light Interactions Conceptual Model Broader Significance References Copepod, Ctenophore, and Schyphomedusae Control in Structuring the Chesapeake Bay Summer Mesohaline Planktonic Food Web / Kevin G. Sellner and Stella G. Sellner Introduction Methods Results and Discussion References Microbiogeochemical Ecophysiology of Freshwater Hydrothermal Vents in Mary Bay Canyon, Yellowstone Lake, Yellowstone National Park WY / Carmen Aguilar and Russell Cuhel Introduction Methods Big Picture Outcomes Closing Remarks References Index