Mercenaria mercenaria
AN ANALYSIS OF CONTROL OF THE VENTRICLE OF THE MOLLUSC MERCENARIA MERCENARIA
... Fifty-four isolated ventricles of the northern quahog, Mercenaria mercenaria Linnaeus, were used in this study. The animals were obtained from a commercial supplier in Narragansett, Rhode Island, USA. All ...
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Sensitivity of juvenile and adult freshwater Clams (Mercenaria Mercenaria) to acute and sublethal toxicity of Chlorine concentration
... life stages of organisms are generally more sensitive to toxicant exposure than older, more developed individuals. Taylor (2000) observed that chlorine was substantially more toxic to early life stages of ...
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AN ANALYSIS OF CONTROL OF THE VENTRICLE OF THE MOLLUSC MERCENARIA MERCENARIA
... Fifty-four northern Atlantic quahogs, Mercenaria mercenaria Linnaeus, were used during this study. The animals were obtained from a commerical supplier in Narragansett, Rhode Island, USA, and were housed in ...
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Spermatozoa and spermatogenesis in the northern quahaug Mercenaria mercenaria (Mollusca, Bivalvia)
... Abstract We studied the ultrastructure of spermatogene- sis and spermatozoa in the northern quahaug, the clam Mercenaria mercenaria. Spermatogenetic cells gradually elongate. Mitochondria gradually fuse and ...
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Evidence for cholinergic inhibitory and serotonergic excitatory neuromuscular transmission in the heart of the bivalve Mercenaria mercenaria
... M. mercenaria and in many other molluscan myocardia (Painter and Greenberg, ...M. mercenaria, where heterometric and homeometric regulation of the whole heart (Smith, 1985b) are quite similar to regulation ...
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Environmental salinity modulates the effects of elevated CO2 levels on juvenile hard shell clams, Mercenaria mercenaria
... M. mercenaria (8weeks post metamorphosis) were purchased from a commercial supplier (Grant’s Oyster House, Sneads Ferry, NC, USA) and shipped overnight to the University of North Carolina at ...
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Cardiac Performance in Response to Loading Pressures in Busycon Canauculatum (Gastropoda) and Mercenaria Mercenaria (Bivalvia)
... The performance of the isolated hearts of a gastropod, Busycon canaliculatum L., and a bivalve, Mercenaria mercenariaL., were examined at different perfusion levels around the expected p[r] ...
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Burrowing in Mercenaria Mercenaria (L ) (Bivalvia, Veneridae)
... The period of closure of the siphons siphon, • , their secondary withdrawal 2, Q]] and extension @, the closing and opening of the valves gape; angle of gape in degrees by width of stip[r] ...
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Invertebrate effects on sediment biogeochemistry and microphytobenthos following estuarine macroalgal blooms
... and Mercenaria mercenaria, alone and in combination, on the removal of detritus, oxygen consumption and nutrient release following the collapse of a large algal ...
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Predators and Dangerous Prey in the Fossil Record: Evolution of the Busyconine Whelk-Mercenaria Predator-Prey System.
... on Mercenaria mercenaria; gerontic individuals of fossil Miocene species of “Busycotypus” are likewise predicted to have occasionally attacked Mercenaria using the wedging mode of ...potential ...
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Thesis
... Menippe mercenaria (stone crabs), Panopeus herbstii (marsh mud crabs), and juvenile Mercenaria mercenaria (quahog clams), to analyze the influence of hunger on mesopredator foraging behavior in the ...
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Impacts of the Toxic Dinoflagellate Alexadrium monilatum on Three Ecologically Important Shellfish Species
... The effect of toxic Alexandrium monilatum on survival of Mercenaria mercenaria and Crassostrea virginica larvae was tested using A. monilatum that was (i) unconstrained, (ii) restricted (held in dialysis ...
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Model assisted measurements of suspension feeding flow velocities
... and Mercenaria mercenaria and the tunicate Ciona intestinalis, measured using a direct method based on particle image velocimetry ...M. mercenaria and ...
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LIFE HISTORY PATTERNS OF MODERN AND FOSSIL MERCENARIA SPP. FROM WARM VS. COLD CLIMATES
... Pleistocene are based on proxy data and general circulation models (e.g., Raymo et al., 1996; Sloan et al., 1996; Lisiecki and Raymo, 2005; Dowsett, 2007; Robinson et al., 2008; Scherer et al., 2008; Dowsett et al., ...
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Oxygen isotope evidence for paleoclimate change during the Vandal Minimum climate episode from Ariopsis felis otoliths and Mercenaria campechiensis shells, southwest Florida
... clam Mercenaria campechiensis to answer these questions: how long did cooling/drought last in the Vandal Minimum, how severe were these conditions, and how do the paleoclimate records compare with the ...
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