Search Results - "Potts, W. M"
-
1
Review of the projected impacts of climate change on coastal fishes in southern Africa
Published in Reviews in fish biology and fisheries (01-12-2015)“…The coastal zone represents one of the most economically and ecologically important ecosystems on the planet, none more so than in southern Africa. This…”
Get full text
Journal Article -
2
Assessing a social norms approach for improving recreational fisheries compliance
Published in Fisheries management and ecology (01-04-2017)“…This study aimed to assess the suitability of the Berkowitz' () social norms approach (SNA) for improving compliance behaviour amongst recreational fishers. A…”
Get full text
Journal Article -
3
Traditional management strategies fail to arrest a decline in the catch-per-unit-effort of an iconic marine recreational fishery species with evidence of hyperstability
Published in Fisheries management and ecology (01-06-2016)“…The paucity of long‐term marine recreational fisheries data limits understanding of the effects of exploitation on target species. Long‐term…”
Get full text
Journal Article -
4
Highly conserved tooth morphology in allopatric elasmobranch populations despite contrasting diets—a case of Triakis megalopterus in southern Africa
Published in Environmental biology of fishes (01-07-2022)“…The role dentition plays in shaping feeding patterns has significant consequences for understanding the evolution of shark feeding. Despite this, research has…”
Get full text
Journal Article -
5
Do environmental factors influence the movement of estuarine fish? A case study using acoustic telemetry
Published in Estuarine, coastal and shelf science (01-06-2008)“…Telemetry methods were used to investigate the influence of selected environmental variables on the position and movement of an estuarine-dependent haemulid,…”
Get full text
Journal Article -
6
Using blood plasma cortisol concentration and fish behaviour to determine temperature avoidance in the estuarine-dependent fish species Rhabdosargus holubi (Steindachner, 1881) (Sparidae)
Published in Journal of applied ichthyology (01-12-2013)“…Summary In order to test the hypothesis that a combination of blood cortisol measurements and behavioural observations can be used to estimate the avoidance…”
Get full text
Journal Article -
7
A bright spot analysis of inland recreational fisheries in the face of climate change: learning about adaptation from small successes
Published in Reviews in fish biology and fisheries (01-06-2021)“…Inland recreational fisheries have social, economic, and ecological importance worldwide but these fisheries are increasingly challenged by the diverse effects…”
Get full text
Journal Article -
8
The reproductive style of Diplodus capensis (Sparidae) in southern Angola: rudimentary hermaphroditism or partial protandry?
Published in African journal of marine science (01-08-2011)“…The reproductive style of Diplodus capensis was examined in an unexploited coastal area in southern Angola. The mean length of females was significantly…”
Get full text
Journal Article -
9
Secondary contact and asymmetrical gene flow in a cosmopolitan marine fish across the Benguela upwelling zone
Published in Heredity (01-11-2016)“…The combination of oceanographic barriers and habitat heterogeneity are known to reduce connectivity and leave specific genetic signatures in the demographic…”
Get full text
Journal Article -
10
Comparison of the population structure and life-history parameters of Diplodus capensis (Sparidae) in exploited and unexploited areas of southern Angola
Published in African journal of marine science (01-08-2011)“…Blacktail seabream Diplodus capensis were sampled from proximate (10 km apart) exploited and unexploited areas in southern Angola to compare their population…”
Get full text
Journal Article -
11
Are recreational fishing guides role models for their clients?
Published in Fisheries research (01-10-2022)Get full text
Journal Article -
12
Integrated genetic and morphological data support eco‐evolutionary divergence of Angolan and South African populations of Diplodus hottentotus
Published in Journal of fish biology (01-04-2018)“…The genus Diplodus presents multiple cases of taxonomic conjecture. Among these the D. cervinus complex was previously described as comprising three subspecies…”
Get full text
Journal Article -
13
Can long-term content analysis of print media be used to examine species composition, population demography and changes in distributional range of recreational fishery species?
Published in African journal of marine science (07-10-2019)“…Although marine recreational fisheries are socially and economically important, there is often limited funding for their monitoring and assessment. With South…”
Get full text
Journal Article -
14
Movement and growth of the spotted gully shark Triakis megalopterus in South African waters
Published in African journal of marine science (02-04-2024)“…The movement and growth of spotted gully sharks Triakis megalopterus (family Triakidae) along the coast of South Africa were investigated using external dart…”
Get full text
Journal Article -
15
Spawning observations of Pomadasys commersonnii in the marine section of the Knysna estuarine bay, Western Cape, South Africa
Published in African journal of marine science (02-01-2022)Get full text
Journal Article -
16
Age and Growth of the Cape Knifejaw Oplegnathus conwayi, an Endemic South African Teleost
Published in African zoology (02-01-2022)“…The South African spearfishery targets a variety of data-deficient species, which are consequently poorly managed. This study aimed to describe the age and…”
Get full text
Journal Article -
17
A baseline assessment of coastal pH variability in a temperate South African embayment: implications for biological ocean acidification research
Published in African journal of marine science (02-10-2022)“…Compared with the open ocean, knowledge of pH variability in coastal waters is rudimentary, especially in Africa. This is concerning as quantifying local pH…”
Get full text
Journal Article -
18
South African marine citizen science - benefits, challenges and future directions
Published in African journal of marine science (03-07-2021)“…South Africa has a long history of engagement in citizen science (CS), particularly marine CS. This review examines the contributions made by marine CS, from…”
Get full text
Journal Article -
19
Linefish resilience in the Anthropocene
Published in African journal of marine science (01-10-2020)Get full text
Journal Article -
20
Effects of climate change on South African estuaries and associated fish species
Published in Climate research (01-01-2013)“…Estuaries are dynamic and their physical and chemical characteristics can change over a scale of hours to years. Consequently, estuarine fish assemblages often…”
Get full text
Journal Article