Search Results - "Bernard, A. T. F."

Bait increases the precision in count data from remote underwater video for most subtidal reef fish in the warm-temperate Agulhas bioregion by Bernard, A. T. F., Götz, A.

“…Baited remote underwater video (BRUV) has been identified in the literature as a powerful long-term monitoring tool for subtidal rocky reef fish communities…”
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Entrainment of Antarctic euphausiids across the Antarctic Polar Front by a cold eddy by Bernard, A.T.F., Ansorge, I.J., Froneman, P.W., Lutjeharms, J.R.E., Bernard, K.S., Swart, N.C.

“…An unusual region of high meso-scale turbulence has been identified in the Indian Ocean sector of the Southern Ocean. It has been shown that this is the result…”
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Community-wide effects of protection reveal insights into marine protected area effectiveness for reef fish by Heyns-Veale, E. R., Bernard, A. T. F., Götz, A., Mann, B. Q., Maggs, J. Q., Smith, M. K. S.

“…Marine protected areas (MPAs) are not designed the same, nor are they equally effective. Efficacy of MPAs is frequently gauged by measuring the direct…”
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Depth-related distribution patterns of subtidal macrobenthos in a well-established marine protected area by Heyns, E. R., Bernard, A. T. F., Richoux, N. B., Götz, A.

“…Effective marine resource management requires knowledge of the distribution of critical habitats that support resource populations and the processes that…”
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Observer bias and detection probability in underwater visual census of fish assemblages measured with independent double-observers by Bernard, A.T.F., Götz, A., Kerwath, S.E., Wilke, C.G.

“…Underwater visual census (UVC) is one of the more frequently used methods for monitoring of subtidal fish communities. However, population estimates from UVC…”
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Depth and habitat determine assemblage structure of South Africa’s warm-temperate reef fish by Heyns-Veale, E. R., Bernard, A. T. F., Richoux, N. B., Parker, D., Langlois, T. J., Harvey, E. S., Götz, A.

“…Depth and habitat are important predictors of fish assemblage structure, yet current no-take marine protected area (MPA) networks are generally limited to…”
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The distribution of offshore benthic molluscs provides new insight into South Africa's marine biogeography by Heyns-Veale, E.R., Bernard, A.T.F., Midgley, J.M., Herbert, D.G.

“…South African marine biogeography has received a great deal of attention in the past. However, offshore biogeographic breaks are based on abiotic variables or…”
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Day/night patterns of habitat use by dogfish sharks (Squalidae) at photic and subphotic warm-temperate reefs: evidence for diel movements and size- and sex-segregation by Juby, R, Bernard, ATF, Götz, A

“…Dogfish sharks (genus Squalus) demonstrate complex distribution patterns that may increase their vulnerability to selective overfishing. This study…”
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Insights from baited video sampling of temperate reef fishes: How biased are angling surveys? by Parker, D., Winker, H., Bernard, A.T.F, Heyns-Veale, E.R., Langlois, T.J., Harvey, E.S., Götz, A.

“…•Identifies differences in observed ichthyofauna between angling and stereo-BRUVs.•Compares species-specific estimates of relative abundance between…”
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Protected nearshore shallow and deep subtidal rocky reef communities differ in their trophic diversity but not their nutritional condition by Heyns-Veale, ER, Richoux, NB, Bernard, ATF, Götz, A

“…Large physical changes that alter reef macrobenthos and fish assemblages occur with increasing depth, so the biological processes that regulate communities at…”
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Spatial considerations when monitoring reef fishes by Parker, D, Winker, H, Bernard, ATF, Smith, MKS, Götz, A

“…Spatial dependence can obscure relationships between response and explanatory variables because of structuring within the residuals reducing variance and…”
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Population dynamics of the caridean shrimp Palaemon peringueyi in a temperate temporarily open/closed southern African estuary by Bernard, A.T.F., Froneman, P.W.

“…The population dynamics of the caridean shrimp Palaemon peringueyi were investigated bimonthly over an 11-month period (May 2003–March 2004) in the upper,…”
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Euphausiid population structure and grazing in the Antarctic Polar Frontal Zone — austral autumn 2004 by Bernard, ATF, Froneman, PW

“…The euphausiid community structure and grazing dynamics were investigated in the West Indian sector of the Polar Frontal Zone during the austral autumn 2004…”
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