New York Sea Grant (NYSG) announces the release of The Hard Clam Research Initiative: Factors Controlling Mercenaria mercenaria Populations in South Shore Bays of Long Island, NY, a 43-page technical report that summarizes the key results of five research projects funded through NYSG’s Hard Clam Research Initiative which began in 1999.
Funding partners included NOAA National Marine Fisheries Service, South Shore Estuary Reserve, Port Authority of New York and New Jersey, and New York Sea Grant. These five projects and several related studies (all listed below) addressed the downward trend in hard clam populations in Long Island’s south shore bays, an issue of both environmental and economic interest to the region.
Says Ms. Cornelia Schlenk, Assistant Director of New York Sea Grant who spearheaded the Hard Clam Research Initiative, “The main goal in the preparation of this report was to achieve improved, science-based understanding of the factors controlling hard clam populations in Long Island’s south shore estuaries, and thereby contribute towards better management and potential enhancement of a once highly productive regional resource.” Research topics included in the report include: the hard clam’s reduced reproductive success, changes in the clam’s food supply and predators, the effects of brown tide, ecosystem changes in Great South Bay and other LI bays, and the effects of harvesting practices as predicted by clam population models. Continues Ms. Schlenk, “Particular emphasis is given in this synthesis report to findings that have direct implications for the management of hard clam populations.”
Compiled from publications provided by the project investigators, reports submitted to NYSG, and material presented at an August 2008 workshop sponsored by NYSG at the School of Marine and Atmospheric Sciences, Stony Brook University, the report was prepared by V. Monica Bricelj, Ph.D., of the Institute of Marine and Coastal Sciences at Rutgers University.
The entire 43-page report and a separate 7-page excerpt that includes the Executive Summary and the Final Conclusions and Recommendations are available for download (see "Related Info" column in upper right-hand corner of this page). Hard copies are available for free by calling 631-632-9124.
Project titles, principal investigators, and additional projects and funders are listed below:
Titles and Principal Investigators of Projects funded through the Hard Clam Research Initiative
Relationships between the Timing of Reproduction, Fecundity, and Egg Composition to Declines in Hard Clam Recruitment (PIs: R.I.E.Newell, S. Tettelbach, C. Gobler)
The Trophic Interaction Between Hard Clams and Natural Assemblages of Phytoplankton (PIs: R. Cerrato, D. Lonsdale, G. Lopez, R. Flood, R. Amstrong, J. Levinton)
Modeling Hard Clam Growth, Survival and Environmental Interactions: What are the Controlling Factors? (PIs: E. Hofmann, V. M. Bricelj, R. Grizzle, J. Klinck, J. Kraeuter, E. Powell, S. Buckner)
The Effects of Brown Tide and Plankton Quality on Hard Clam Larval Growth and Survivorship (PIs: D. Padilla, C. Gobler)
A Modeling Study of the Growth, Survival and Recruitment of Hard Clam (Mercenaria mercenaria) Larval and Post-Settlement Populations (PIs: E. Hofmann, V.M. Bricelj, S. Buckner, J. Klinck, J. Kraeuter, E. Powell)
Additional Projects Cited
Supported by New York Sea Grant core federal funds:
Impact of Predation by the Ctenophore Mnemiopsis leidyi on Larval Mortality of Mercenaria mercenaria (PIs: D. Lonsdale, R. Cerrato)Influence of Ocean Exchange on Nutrients, Plankton Assemblages, Submerged Aquatic Vegetation and Shellfish within Long Island's South Shore Estuaries (PIs: C. Gobler, B. Peterson)
Supported by NOAA-Ecology and Oceanography of Harmful Algae (ECOHAB) funds:The importance of blooms of brown tide, Aureococcus anophagefferens, in coastal lagoonal systems: Coupling numerical simulation modeling and experiments to determine population effects on hard clam, Mercenaria mercenaria, individuals, cohorts and populations (PIs: J. Kraeuter, V.M. Bricelj, E. E. Hofmann, J. Klinck, E. Powell, E. Ward)
Supported by the National Science Foundation (funding allocation to D. Padilla via the Intergovernmental Personnel Act)
Research that led to the publication Prezeslawski et al. 2008.
Barbara A. Branca | EurekAlert!
Further reports about: > Atmospheric Sciences > Health Costs For Populations > Interaction between water and forest > Marine science > Mercenaria mercenaria > Mercenaria mercenaria Populations > Overfishing > Plankton > SEA > Science TV > Synthesizes > blooms > brown tide > clam > economically important species > reproductive success
Upcycling of PET Bottles: New Ideas for Resource Cycles in Germany
25.06.2018 | Fraunhofer-Institut für Betriebsfestigkeit und Systemzuverlässigkeit LBF
Dry landscapes can increase disease transmission
20.06.2018 | Forschungsverbund Berlin e.V.
For the first time ever, scientists have determined the cosmic origin of highest-energy neutrinos. A research group led by IceCube scientist Elisa Resconi, spokesperson of the Collaborative Research Center SFB1258 at the Technical University of Munich (TUM), provides an important piece of evidence that the particles detected by the IceCube neutrino telescope at the South Pole originate from a galaxy four billion light-years away from Earth.
To rule out other origins with certainty, the team led by neutrino physicist Elisa Resconi from the Technical University of Munich and multi-wavelength...
For the first time a team of researchers have discovered two different phases of magnetic skyrmions in a single material. Physicists of the Technical Universities of Munich and Dresden and the University of Cologne can now better study and understand the properties of these magnetic structures, which are important for both basic research and applications.
Whirlpools are an everyday experience in a bath tub: When the water is drained a circular vortex is formed. Typically, such whirls are rather stable. Similar...
Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.
A frequently used reaction in organic chemistry is nucleophilic substitution. It plays, for example, an important role in in the synthesis of new chemical...
Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.
"Put an excitation into the system and observe how it evolves." According to physicist Professor Tobias Brixner, this is the credo of optical spectroscopy....
Ultra-short, high-intensity X-ray flashes open the door to the foundations of chemical reactions. Free-electron lasers generate these kinds of pulses, but there is a catch: the pulses vary in duration and energy. An international research team has now presented a solution: Using a ring of 16 detectors and a circularly polarized laser beam, they can determine both factors with attosecond accuracy.
Free-electron lasers (FELs) generate extremely short and intense X-ray flashes. Researchers can use these flashes to resolve structures with diameters on the...
13.07.2018 | Event News
12.07.2018 | Event News
03.07.2018 | Event News
19.07.2018 | Earth Sciences
19.07.2018 | Power and Electrical Engineering
19.07.2018 | Materials Sciences