Articles by Keyword: Marine Mammals

Search results for Marine Mammals

We found 128 results for you
  1. The first African Marine Mammal Colloquium, South Africa, May 2010

    The first African Marine Mammal Colloquium, South Africa, May 2010

    Item type: Journal Article • Journal: African Journal of Marine Science
    The African Marine Mammal Colloquium (AMMC) was initiated to provide a platform for increased collaboration and communication between researchers working on marine mammals in and around Africa. The first meeting of the AMMC was held at Kleinbaai, South Africa, in...
  2. Bioaccumulation of platinum group metals in dolphins, <em>Stenella</em> sp., caught off Ghana

    Bioaccumulation of platinum group metals in dolphins, <em>Stenella</em> sp., caught off Ghana

    Item type: Journal Article • Journal: African Journal of Aquatic Science
    Platinum group metals (PGMs) concentrations were measured in the tissues= of dolphins (Stenella sp.) caught along the Ghanaian coastline. Tissues from specimens caught by fishermen from Dixcove, western Ghana, were analysed in 2006 for palladium (Pd), platinum (Pt) and rhodium...
  3. Do inter-colony differences in Cape fur seal foraging behaviour reflect large-scale changes in the northern Benguela ecosystem?

    Do inter-colony differences in Cape fur seal foraging behaviour reflect large-scale changes in the northern Benguela ecosystem?

    Item type: Journal Article • Journal: African Journal of Marine Science
    The northern Benguela ecosystem adjoining Namibia has undergone considerable changes in recent decades, with reductions and northwards shifts of key prey species that have had severe implications for marine top predator populations. We investigated how such environmental variability may impact...
  4. The autumn occurrence and spatial distribution of cetaceans in the waters of Mauritania during a geophysical survey in 2012

    The autumn occurrence and spatial distribution of cetaceans in the waters of Mauritania during a geophysical survey in 2012

    Item type: Journal Article • Journal: African Journal of Marine Science
    This study aimed to identify the occurrence and spatial distribution of cetaceans in Mauritanian waters (eastern Atlantic). A geophysical survey was conducted over 92 days between September and December 2012. Over 967 km was surveyed, with 1 017 h of...
  5. Effects of Afforestation and Clearfelling on birds and small Mammals at Grootvadersbosch, South Africa

    Item type: Journal Article • Journal: South African Forestry Journal
    Results from a short-term study of birds and small mammals in pine plantations, regenerating clear-felled sites and indigenous forest and fynbos habitats at Grootvadersbosch, southern Cape, indicate that the pine faunal assemblages are pauperised in relation to those of the...
  6. Are Pine Plantations “Inhospitable Seas” around Remnant Native Habitat within South-western Cape Forestry Areas?

    Item type: Journal Article • Journal: South African Forestry Journal
    Some areas of forestry estates, including unplantable ones, may be zoned and managed for nature conservation. This paper is an analysis of the results of studies of plants, birds and small mammals at Jonkershoek, Stellenbosch, to determine whether pine plantations...
  7. An overview of the living marine resources of Namibia

    An overview of the living marine resources of Namibia

    Item type: Journal Article • Journal: South African Journal of Marine Science
    This paper gives an overview of the main living marine resources of Namibia. It focuses on the scientific research conducted during the past decade as input to the management of these resources. The distribution and habitats of the most important...
  8. Entanglement of pinnipeds at Marion Island

    Entanglement of pinnipeds at Marion Island

    Item type: Journal Article • Journal: South African Journal of Marine Science
    During the period April 1991–March 1996, 10 entangled Antarctic fur seals Arctocephalus gazella, 28 entangled Subantarctic fur seals A. tropicalis and one entangled southern elephant seal Mirounga leonina were observed at Marion Island, Southern Ocean. Entanglement of fur seals was...
  9. Movement patterns of red steenbras <em>Petrus rupestris</em> tagged and released in the Tsitsikamma National Park, South Africa

    Movement patterns of red steenbras <em>Petrus rupestris</em> tagged and released in the Tsitsikamma National Park, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Movement patterns of red steenbras Petrus rupestris were obtained from fish tagged and released in the Tsitsikamma National Park, South Africa. Of 217 fish tagged, 38 were recaptured. Juveniles (<700 mm FL) were resident, whereas adults (>700 mm FL) migrated...
  10. Nearshore surface current patterns in the Tsitsikamma National Park, South Africa

    Nearshore surface current patterns in the Tsitsikamma National Park, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The pattern of surface currents in the Tsitsikamma National Park, South Africa, was studied with holey-sock drogues released in batches of up to four at a time, from 1996 and 1998. Drogues were left to drift for either 6 or...