Search Results - "Branch, George M."

Effects of harvesting and an invasive mussel on intertidal rocky shore communities based on historical and spatial comparisons by Baliwe, Ndiviwe G, Pfaff, Maya C, Branch, George M

“…Intertidal rocky shores are the most accessible marine habitats and therefore heavily impacted by harvesting. In recent years, they have also been increasingly…”
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Delivery of marine larvae to shore requires multiple sequential transport mechanisms by Pfaff, Maya C, Branch, George M, Fisher, Jennifer L, Hoffmann, Vera, Ellis, Allan G, Largier, John L

“…Most sedentary marine animals disperse from their place of origin during their initial life stages as larvae. The delivery of planktonic larvae back to coastal…”
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Complex interplays between limpets and alien species in South Africa: multispecies interactions, zonation and size effects by Branch, George M., Steffani, Nina, Pfaff, Maya C., Baliwe, Ndiviwe G., Zeeman, Zannè

“…Integrating observations and experiments, we address the progressive effects of three alien species, the mussels Mytilus galloprovincialis and Semimytilus…”
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Can we predict the effects of alien species? A case-history of the invasion of South Africa by Mytilus galloprovincialis (Lamarck) by Branch, George M, Nina Steffani, C

“…The Mediterranean mussel Mytilus galloprovincialis invaded the shores of South Africa in about the mid-1970s. It was first detected at a harbour in Saldanha on…”
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Blender interstitial volume: A novel virtual measurement of structural complexity applicable to marine benthic habitats by Sadchatheeswaran, Saachi, Moloney, Coleen L., Branch, George M., Robinson, Tamara B.

“…[Display omitted] Blender interstitial volume is a novel method that utilizes 3D modeling techniques to accurately and efficiently quantify the volume of…”
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The influence of bioturbation by the sandprawn Callianassa kraussi on feeding and survival of the bivalve Eumarcia paupercula and the gastropod Nassarius kraussianus by Pillay, Deena, Branch, George M., Forbes, Anthony T.

“…Field observations and experimental evidence have shown that bioturbation by the southern African sandprawn Callianassa kraussi may significantly influence the…”
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Comparisons of life-history traits of the alien invasive Semimytilus algosus and three other mytilid mussels on the West Coast of South Africa by Zeeman, Zannè, Branch, George M, Pillay, Deena

“…The invasive mytilid mussel Semimytilus algosus was first recorded on South African shores in 2009 and rapidly spread to occupy 500 km of the West Coast, where…”
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Changes in habitat complexity resulting from sequential invasions of a rocky shore: implications for community structure by Sadchatheeswaran, Saachi, Branch, George M., Robinson, Tamara B.

“…Worldwide, marine rocky shores are being modified by alien species, but their successive impacts are rarely recorded. We documented sequential invasions of…”
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Modelling changes in trophic and structural impacts of alien ecosystem engineers on a rocky-shore island by Sadchatheeswaran, Saachi, Branch, George M, Shannon, Lynne J, Moloney, Coleen L, Coll, Marta, Robinson, Tamara B

“…•Rare pre- and post-invasion data were used to model rocky-shore ecosystem change.•22 model simulations explored trophic interactions, non-trophic effects and…”
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Changes in shallow-reef community composition along environmental gradients on the East African coast by Porter, Sean N., Branch, George M., Sink, Kerry J.

“…Abiotic determinants of community composition on shallow reefs are seldom examined at a scale transcending biogeographic regions, and knowledge for the western…”
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Origin and genetic diversity of the invasive mussel Semimytilus algosus in South Africa, relative to source populations in Chile and Namibia by Zeeman, Zannè, Branch, George M., Pillay, Deena, von der Heyden, Sophie

“…Worldwide, the spread of alien species in marine ecosystems has increased, with mussels frequently being involved. In South Africa, 91 alien and 39 cryptic…”
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Effects of sediment discharge from Namibian diamond mines on intertidal and subtidal rocky-reef communities and the rock lobster Jasus lalandii by Pulfrich, Andrea, Branch, George M.

“…Extensive terrestrial diamond mining occurs on the southern coast of Namibia, and at Elizabeth Bay near Lüderitz sediment tailings totalling about 2 million…”
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Assessing the effects of no-take zones in a marine protected area spanning two ecoregions and rock substrate types by Baliwe, Ndiviwe Gabriel, Pfaff, Maya C., Branch, George M.

“…This study assessed the effectiveness of no-take areas in the Table Mountain National Park MPA in protecting the biodiversity of intertidal rocky shores from…”
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Using empirical and simulation approaches to quantify merits of rival measures of structural complexity in marine habitats by Sadchatheeswaran, Saachi, Moloney, Coleen L., Branch, George M., Robinson, Tamara B.

“…Ecosystem engineers often affect structural complexity of habitats. There are multiple methods of quantifying complexity, variously measuring topography,…”
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Regime shift of a kelp-forest benthic community induced by an ‘invasion’ of the rock lobster Jasus lalandii by Blamey, Laura K., Branch, George M.

“…An eastward shift in the center of abundance of the South African rock lobster Jasus lalandii occurred during the early 1990s into an area known as East of…”
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Using diamond-mined sediment discharges to test the paradigms of sandy-beach ecology by Pulfrich, Andrea, Branch, George M.

“…The prevailing view of sandy-shore ecosystems is that they are controlled largely by physical conditions, particularly particle size, slope and wave regime,…”
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A critically endangered estuarine limpet’s only two populations are genomically and morphologically distinct by Coito, Paula M., Emami‐Khoyi, Arsalan, Hedderson, Terry A., Toonen, Robert J., Teske, Peter R., Branch, George M.

“…Seagrass habitats are declining worldwide, placing several seagrass‐associated animals at risk of extinction. The Critically Endangered limpet Siphonaria…”
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Standardising English and Afrikaans Common Names for Polychaetes Harvested as Bait in South Africa by Simon, Carol A, du Toit, Alheit N, Lamberth, Stephen J, Branch, George M

“…Polychaete worms are used widely as bait in South Africa, but common names are not used consistently among fishers or in the literature. This can have…”
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Was overfishing of predatory fish responsible for a lobster-induced regime shift in the Benguela? by Blamey, Laura K., Plagányi, Éva E., Branch, George M.

“…•We model a kelp ecosystem that has undergone a regime shift.•We use the model to test scenarios under current and ‘pristine’ predator densities.•If predatory…”
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Larval settlement behaviour in six gregarious ascidians in relation to adult distribution by Rius, Marc, Branch, George M., Griffiths, Charles L., Turon, Xavier

“…Settlement influences the distribution and abundance of many marine organisms, although the relative roles of abiotic and biotic factors influencing settlement…”
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