Search Results - "McQuaid, C. D"

Understanding the effects of climate change on Southern Ocean ecosystems by McQuaid, CD

“…Understanding the future of Southern Ocean ecosystems requires approaches at micro to macro scales. The Southern Ocean has experienced both top-down and…”
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Influence of ontogeny on stable isotope ratios and trophic discrimination factors of African penguin (Spheniscus demersus) tissues by Micklem, I. A., Connan, M., Stander, N., McQuaid, C. D.

“…Stable isotopes are widely used in ecosystem studies to decipher trophic relationships between species. Using stable isotopes as trophic markers requires…”
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Extreme philopatry and genetic diversification at unprecedented scales in a seabird by Danckwerts, D. K., Humeau, L., Pinet, P., McQuaid, C. D., Le Corre, M.

“…Effective conservation requires maintenance of the processes underlying species divergence, as well as understanding species’ responses to episodic…”
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Thermal tolerances of littorinid snails from temperate and subtropical South Africa by McQuaid, CD, Matumba, TG

“…Environmental temperature affects ectotherm performance and fitness because physiological performance increases up to a sublethal optimum temperature; this is…”
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Marine macroalgae of the Agulhas Marine Province of South Africa: biodiversity, exploitation and potential for aquaculture by Bolton, JJ, McQuaid, CD

“…The Agulhas Marine Province (AMP) extends along most of the south coast of South Africa, from Cape Agulhas to the vicinity of the Mbashe River mouth in the…”
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Stable isotope analysis indicates a lack of inter- and intra-specific dietary redundancy among ecologically important coral reef fishes by Plass-Johnson, J. G., McQuaid, C. D., Hill, J. M.

“…Parrotfish are critical consumers on coral reefs, mediating the balance between algae and corals, and are often categorised into three functional groups based…”
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The combination of selection and dispersal helps explain genetic structure in intertidal mussels by Zardi, G. I., Nicastro, K. R., McQuaid, C. D., Hancke, L., Helmuth, B.

“…Understanding patterns of gene flow, selection and genetic diversity within and among populations is a critical element of predicting how long-term changes in…”
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Balancing survival and reproduction: seasonality of wave action, attachment strength and reproductive output in indigenous Perna perna and invasive Mytilus galloprovincialis mussels by Zardi, GI, McQuaid, CD, Nicastro, KR

“…The indigenous mussel Perna perna and the invasive mussel Mytilus galloprovincialis coexist on the low shore of the South African south coast, with partial…”
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Biogeographic and nearshore–offshore trends in isotope ratios of intertidal mussels and their food sources around the coast of southern Africa by Hill, J. M., McQuaid, C. D., Kaehler, S.

“…There are broad differences in oceanography and primary production around the southern African coast that are likely to give rise to major differences in…”
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Differential impacts of coral reef herbivores on algal succession in Kenya by Humphries, A. T., McClanahan, T. R., McQuaid, C. D.

“…In shallow-water systems, fisheries management influences herbivory, which mediates ecosystem processes by regulating algal biomass, primary production, and…”
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Absence of an effect of freshwater input on the stable isotope and fatty acid signatures of intertidal filter-feeders by Puccinelli, E, McQuaid, CD, Noyon, M

“…Freshwater input is known to have the potential to influence marine pelagic and benthic communities through the export of nutrients, sediments and detritus…”
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Status of a decennial marine invasion by the bisexual mussel Semimytilus algosus (Gould, 1850) in South Africa by Ma, KCK, McQuaid, CD, Pulfrich, A, Robinson, TB

“…The invasion history and current distribution of the alien marine mussel, the bisexual mussel Semimytilus algosus, on rocky shores of South Africa is described…”
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Differential reproductive investment, attachment strength and mortality of invasive and indigenous mussels across heterogeneous environments by Nicastro, K. R, Zardi, G. I, McQuaid, C. D

“…Environmental heterogeneity challenges both indigenous species and invaders and can play a defining role in the dynamics of their interactions. We compare bay…”
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Implications of life history for genetic structure and migration rates of southern African coastal invertebrates : planktonic, abbreviated and direct development by TESKE, P. R, PAPADOPOULOS, I, ZARDI, G. I, MCQUAID, C. D, EDKINS, M. T, GRIFFITHS, C. L, BARKER, N. P

“…The amount of genetic structure in marine invertebrates is often thought to be negatively correlated with larval duration. However, larval retention may…”
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Unexpected genetic structure of mussel populations in South Africa: indigenous Perna perna and invasive Mytilus galloprovincialis by Zardi, GI, McQuaid, CD, Teske, PR, Barker, NP

“…Genetic structure of sedentary marine organisms with planktonic larvae can be influenced by oceanographic transport, larval behaviour and local selection. We…”
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Intra-annual variation in the foraging ecology of the endangered endemic Barau’s Petrel (Pterodroma baraui) from Réunion Island, south-western Indian Ocean: insights from a multifaceted approach by Danckwerts, D. K, McQuaid, C. D, Connan, M, Smale, M. J, Le Corre, M, Humeau, L, Kaehler, S, Juhasz, C. C, Orlowski, S, Tourmetz, J, Jaquemet, S

“…Population modelling for one of Réunion Island’s endemic seabirds, the Barau’s Petrel (Pterodroma baraui), has highlighted its vulnerability to extinction…”
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Effects of marine reserves on the reproductive biology and recruitment rates of commonly and rarely exploited limpets by Nakin, MDV, McQuaid, CD

“…We tested the effects of marine reserve status on the reproductive biology and recruitment rates of two commonly exploited (Helcion concolor, Scutellastra…”
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Marine reserve effects on population density and size structure of commonly and rarely exploited limpets in South Africa by Nakin, MDV, McQuaid, CD

“…Marine reserves are commonly used to conserve living resources, but their effectiveness where policing is difficult is unclear. We compared monthly population…”
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Sand and wave induced mortality in invasive (Mytilus galloprovincialis) and indigenous (Perna perna) mussels by Zardi, G. I, Nicastro, K. R, McQuaid, C. D, Erlandsson, J

“…The ability of an invasive species to spread in a new locality depends on its interaction with the indigenous community and on variation in time and space in…”
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Stable isotope methods: The effect of gut contents on isotopic ratios of zooplankton by Hill, J.M., McQuaid, C.D.

“…In the past decade there has been an increased awareness of the potential for methodological bias resulting from multiple pre-analytical procedures in foodweb…”
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