HADFIELD, M.G.*; KOEHL, M.A.R.; ZARDUS, J.D.; University of Hawaii, Kewalo Marine Lab; University of California, Berkeley; University of Hawaii, Kewalo Marine Lab: The affect of chemical cues on the adhesion strength of settling invertebrate larvae. Locating and adhering to a suitable substratum at the end of the pelagic larval period is a crucial step in […]

MCALISTER, J.S.*; PODOLSKY, R.D.; Univ. of North Carolina at Chapel Hill; Univ. of North Carolina at Chapel Hill: Testing for costs of phenotypic plasticity during development of Lytechinus variegatus Phenotypic plasticity can increase organismal fitness by altering phenotypic expression in heterogeneous environments. Theory predicts however, that the evolution of optimal plastic phenotypes could be constrained […]

HART, M.W.; Dalhousie Univ.: Reproductive variation and population genetics in marine invertebrates Many larval biologists have become population geneticists in order to study the population genetic consequences of reproductive variation among marine invertebrates. Most studies focus on the effects of dispersal differences on among-population differentiation (as FST or its analogs). We have explored instead the […]

JACOBS, M.W.; Friday Harbor Laboratories, University of Washington: Pelagic Juvenile Ascidians? Dispersal and Reproductive Ecology of Herdmania momus and other Solitary Ascidian Species. Solitary ascidians produce small, short-lived, non-feeding larvae which function primarily in habitat selection and dispersal. Because all adult ascidians are sessile, dispersal in these common invasive species is usually thought to be […]

GREEN, A.J.; MANAHAN, D.T.; University of Southern California, Los Angeles; University of Southern California, Los Angeles: Metabolic efficiency in fast-growing larvae Hybrid vigor for growth is an important biological phenomenon in many animals and plants. Larvae of the Pacific oyster Crassostrea gigas, obtained from different genetically-controlled crosses, had faster growth rates in hybrid larvae soon […]

ZARDUS, J.D.*; HADFIELD, M.G.; University of Hawaii, Kewalo Marine Lab: Larval development, breeding system and host selection in a turtle barnacle: intriguing aspects of a commensal life-history Turtle barnacles are obligate commensals of sea turtles and comprise several genera in the balanomorph family Coronulidae. They colonize all seven species of marine turtles worldwide, but host […]

ALLEN, J.D.; University of North Carolina at Chapel Hill: Is bigger better? Testing the consequences of changes in egg size on larval predation rates. Empirical data and theoretical models suggest that egg size is an important life history parameter in marine invertebrates. In echinoderms that develop indirectly from small eggs, separating blastomeres at the two-cell […]

PACE, D.A.*; MAXSON, R.E.; MANAHAN, D.T.; Univ. Southern California, Los Angeles; Univ. Southern California; Univ. Southern California: High rates of protein synthesis and rapid ribosomal transit times at low energy cost in Antarctic echinoderm embryos Cold oceanic environments represent a major part of the biosphere. Most animals living in these �extreme� environments have life-history stages […]

BRODIE, R.J.; STATON, J.S.; University of South Carolina; University of South Carolina: Freshwater invasion and larval settlement: reinvasion of low salinity adult habitats after marine planktonic development in the fiddler crabs Uca pugilator, Uca pugnax and Uca minax Many invertebrates that have invaded low salinity and freshwater environments from the sea have retained marine planktonic […]

MARKO, P.B.; Univ. of North Carolina, Chapel Hill: Evidence of Self-recruitment of Populations in a Commercial Benthic Marine Species with Planktotrophic Larvae The bay scallop (Argopecten irradians) was once an abundant member of sea grass communities along the US Atlantic coast and an important commercial and recreational shellfish species. Recent recruitment failures, however, have contributed […]