Articles by Author: Alan K Whitfield

Search results for Alan K Whitfield

We found 108 results for you
  1. The influence of selected environmental parameters on the distribution of the dominant demersal fishes in the Kariega Estuary channel, South Africa

    The influence of selected environmental parameters on the distribution of the dominant demersal fishes in the Kariega Estuary channel, South Africa

    Item type: Journal Article • Journal: African Zoology
    The Kariega Estuary channel was sampled using an otter trawl and the demersal fish catch analysed using the PRIMER statistical package. A biological-environmental (BIOENV) analysis was undertaken using the catch per unit effort ichthyofaunal data from the spring/summer period of...
  2. Marine connectivity and fish length frequencies of selected species in two adjacent temporarily open/closed estuaries in the Eastern Cape Province, South Africa

    Marine connectivity and fish length frequencies of selected species in two adjacent temporarily open/closed estuaries in the Eastern Cape Province, South Africa

    Item type: Journal Article • Journal: African Zoology
    The effects of timing, frequency and duration of mouth opening and marine overwash events on fish assemblages in two, adjacent temporarily open/closed estuaries were investigated. Sampling was conducted biannually over two years during summer and winter, using selective sampling gear...
  3. Movement behaviour of alien largemouth bass <em>Micropterus salmoides</em> in the estuarine headwater region of the Kowie River, South Africa

    Movement behaviour of alien largemouth bass <em>Micropterus salmoides</em> in the estuarine headwater region of the Kowie River, South Africa

    Item type: Journal Article • Journal: African Zoology
    The movement behaviour of largemouth bass Micropterus salmoides in the estuarine headwater region of the Kowie River, South Africa, was investigated using passive acoustic telemetry. Ten adult fish were tagged and released in four discrete pools below a weir that...
  4. Birds as major predators of fishes in the East Kleinemonde Estuary

    Birds as major predators of fishes in the East Kleinemonde Estuary

    Item type: Journal Article • Journal: African Zoology
    This study provides a quantitative account of fish predation by piscivorous birds in the temporarily open/closed East Kleinemonde Estuary and represents the first global attempt to simultaneously relate such consumption to production by a fish community in the same estuary...
  5. Book Review

    Book Review

    Item type: Journal Article • Journal: South African Journal of Philosophy
  6. Editorial

    Editorial

    Item type: Journal Article • Journal: African Journal of AIDS Research
  7. Retraction

    Retraction

    Item type: Journal Article • Journal: African Journal of AIDS Research