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Poecilogony in the caenogastropod Calyptraea lichen (Mollusca: Gastropoda)
This work documents the eleventh case of poecilogony in marine invertebrates, and the first in a caenogastropod mollusc, and demonstrates that females can produce two different kinds of broods.
Colonization and Connectivity of Habitat Patches for Coastal Marine Species Distant from Source Populations
Short-term transplant experiments indicated that corallines can survive locally once they colonize, and the exchange of propagules or mobile adults between isolated habitat patches is of critical importance for some types of preserves, especially for species that cannot propagate locally.
Abrupt Change in Food Environment Induces Cloning in Plutei of Dendraster excentricus
Results indicate that a change in food concentration can induce cloning in plutei, and demonstrate that anterior autotomization does occur in 4- to 6-arm pluteo.
Patterns in Early Embryonic Motility: Effects of Size and Environmental Temperature on Vertical Velocities of Sinking and Swimming Echinoid Blastulae
- Kathryn A. Mcdonald
- Environmental ScienceThe Biological Bulletin
- 1 October 2004
Results from subsequent experiments in which embryos were reared in low-oxygen environments suggest that any oxygen-absorption advantages of swimming have little, if any, effect on the development of D. excentricus embryos.
Earliest ciliary swimming effects vertical transport of planktonic embryos in turbulence and shear flow
- Kathryn A. Mcdonald
- Environmental ScienceJournal of Experimental Biology
- 1 January 2012
Swimming by newly hatched blastulae by D. excentricus should support upward migration in turbulence characteristic of coastal surface waters, whereas species differences in passive stability and swimming responses to shear may lead to differences in vertical transport and subsequent dispersal.
Swimming performance in early development and the "other" consequences of egg size for ciliated planktonic larvae.
- Kathryn A. Mcdonald, D. Grünbaum
- Environmental Science, BiologyIntegrative and comparative biology
- 1 October 2010
Key parameters that characterize the upward swimming speed of ciliated spheroidal larvae moving at very low Reynolds numbers are presented, and the performance of trochophore larvae provides support for hypothesized scaling relationships, and also for the concept of a standard in swimming speed.
Impact of Supply‐Side Ecology on Consumer‐Mediated Coexistence: Evidence from a Meta‐Analysis
Investigation of how recruitment influences the impacts of consumers on diversity with a meta‐analysis of 27 experiments of community development involving sessile species on marine hard substrates demonstrated that consumers generally increase diversity at high levels of recruitment but decrease diversity at low levels of recruitment.
Community Benefits of Victorian Aquatic and Recreation Centres : technical report for Aquatics and Recreation Victoria
Notes and Comments Impact of Supply-Side Ecology on Consumer-Mediated Coexistence: Evidence from a Meta-Analysis
It is demonstrated that consumers generally increase diversity at high levels of recruitment but decrease diversity at low levels of recruitment, and species diversity of sessile species is controlled by the interaction between forces that open (predation and herbivory) and close (recruitment) space.
Numerical Model for Predicting Carbon Fiber Composite Cable Forces in a Cable-stayed Bridge
Carbon Fiber Composite Cables (CFCC) have high tensile strength, low weight and excellent corrosion resistance. As such they provide a viable replacement to traditional steel cables in many…