Articles by Keyword: Lt Em Gt Chrysoblephus Cristiceps Lt Em Gt

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  1. Spatial considerations when monitoring reef fishes

    Spatial considerations when monitoring reef fishes

    Item type: Journal Article • Journal: African Journal of Marine Science
    Spatial dependence can obscure relationships between response and explanatory variables because of structuring within the residuals reducing variance and biasing coefficient estimates. Here, we highlight the influence of the spatial component, in the presence of spatial dependence, on abundance trends...
  2. A comparative evaluation of three methods used to tag South African linefish

    A comparative evaluation of three methods used to tag South African linefish

    Item type: Journal Article • Journal: African Journal of Marine Science
    Tagging effects and loss rates of 60 Roman Chrysoblephus laticeps tagged with dart tags with barbs (D-tags), T-bar filaments (T-tags) and visible implant fluorescent elastomer (VIFE) tags were investigated. The fish were tagged and monitored in a controlled tank experiment...
  3. An alternative method for estimating the status of resident reef fish stocks, based on differential fishing effort across a marine reserve boundary

    An alternative method for estimating the status of resident reef fish stocks, based on differential fishing effort across a marine reserve boundary

    Item type: Journal Article • Journal: African Journal of Marine Science
    The stock status of roman Chrysoblephus laticeps was estimated in the Goukamma, a temperate South African marine protected area (MPA). Standardised catch per unit effort (CPUE) from a controlled angling survey on both sides of the MPA border was employed...
  4. Movement pattern and home range of Roman <em>Chrysoblephus laticeps</em>

    Movement pattern and home range of Roman <em>Chrysoblephus laticeps</em>

    Item type: Journal Article • Journal: African Journal of Marine Science
    The movement behaviour of adult Roman Chrysoblephus laticeps (Sparidae) was investigated using mark-and-recapture techniques in the Goukamma Marine Protected Area (GMPA) and the Tsitsikamma National Park (TNP) on the South African temperate south coast. The study was designed to improve...
  5. Area utilisation and activity patterns of roman <em>Chrysoblephus laticeps</em> (Sparidae) in a small marine protected area

    Area utilisation and activity patterns of roman <em>Chrysoblephus laticeps</em> (Sparidae) in a small marine protected area

    Item type: Journal Article • Journal: African Journal of Marine Science
    Information on the movement of fish is vital to determine the effectiveness of marine protected areas (MPAs) for fish conservation and fisheries management. This study investigates area utilisation and activity patterns of 13 adult roman Chrysoblephus laticeps (Sparidae) using telemetry...
  6. Comparison of the effects of different linefishing methods on catch composition and capture mortality of South African temperate reef fish

    Comparison of the effects of different linefishing methods on catch composition and capture mortality of South African temperate reef fish

    Item type: Journal Article • Journal: African Journal of Marine Science
    The effects of hook size, bait type, water depth and fishing effort on the selectivity and capture mortality of reef fish were investigated in a standardised fishing experiment on the temperate south coast of South Africa. A total of 2...
  7. The effect of marine protected areas on an exploited population of sex-changing temperate reef fish: an individual-based model

    The effect of marine protected areas on an exploited population of sex-changing temperate reef fish: an individual-based model

    Item type: Journal Article • Journal: African Journal of Marine Science
    The effect of two marine protected areas (MPAs) on roman Chrysoblephus laticeps (Sparidae), an exploited reef-fish species inhabiting the South African temperate south coast, was simulated with a spatially explicit, individual-based model based on geographically correct habitat distribution. The model...
  8. Optimisation of underwater visual census and controlled angling methods for monitoring subtidal temperate reef fish communities

    Optimisation of underwater visual census and controlled angling methods for monitoring subtidal temperate reef fish communities

    Item type: Journal Article • Journal: African Journal of Marine Science
    Standardised sampling protocols for monitoring fish stocks are essential to assess changes in stock status and provide a means to evaluate the effectiveness of fisheries management measures, such as marine protected areas (MPAs). This study aimed to optimise two standard...