African Coelacanth Ecosystem Programme (ACEP) (3)
Integrated Ecosystem Programme: Southern Benguela (IEP: SB) (26)
Marion Island Relief Voyage (19)
Port St Johns CTD and Bathymetry Survey (1)
South Coast Moorings and Monitoring Lines Cruise (10)
Southern Ocean Seasonal Cycle Experiment (SOSCEx) (4)
Winter Cruise (7)
Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) (170) ✕
Winter Shakedown Cruise on SA Agulhas II Voyage 003, July 2012
The Winter Shakedown Cruise was conducted on the SA Agulhas II, Voyage 003, 9 July to 6 August, 2012. The cruise started in Cape Town and went down to the GoodHope Line then up to the Prince Edward Islands, on to Port Elizabeth and then back to Cape Town. After the arrival of SA Agulhas II back to South Africa, an inaugural Southern Ocean cruise was undertaken, which included a multidisciplinary program to measure oceanographic and biological parameters that characterise the state of the...
Southern Ocean Seasonal Cycle Experiment (SOSCEx) IV on the SA Agulhas II, Voyage 020A, July 2016
The SA Agulhas II operated from Cape Town along the Goodhope Line, completing underway biogeochemical and physical oceanography observations along the transect, as part of the Winter 2016 Southern Ocean Seasonal Cycle Experiment (SOSCEx) IV and Marginal Ice Zone Dynamics. The cruise included deployment of expendable bathythermographs underway, deployment of four autonomous robotics instruments at two stations (2 wavegliders and 2 buoyancy gliders, per station), and the deployment of two Argo...
State of the marine environment off South Africa: December 2007
Please note: 1. This report has not been peer-reviewed; 2. The conditions of use outlined in the report are superseded by the conditions specified by the License field in this metadata record; 3. The contact information included in the report is superseded by the contact information that can be found in the Responsible Parties field of this metadata record.This is the third in a series of informal biannual reports introduced in December 2006, intended to provide an overview of marine...
Gough Island Relief on the SA Agulhas II Voyage 017, September 2015
The Gough Island Relief Voyage is an annual cruise undertaken by the Department of Environmental Affairs (DEA) to change the overwintering team in Gough Island and to replenish the supplies at the British’s leased Gough Island Research base. The cruise also serves as a means to transport the residents and/or visitors to Tristan da Cunha using a signed agreement between South Africa and United Kingdom (UK). This voyage was to deliver the Gough 61 team to the island and return with the Gough...
Anchovy Assessment Survey on the Africana Voyage 013, November 1983
The Anchovy Assessment Survey was held on the Africana Voyage 013, between the 1st and 29th November 1983. Research was split up into three legs, Leg 1: Cape Town to Port Elizabeth, Leg 2: Port Elizabeth to East London and Leg 3: Olifants River to Cape Agulhas.
Anchovy Recruitment Survey on the Africana Voyage 009, May 1983
The Anchovy Recruitment Survey was conducted on the Africana Voyage 009, between 4 May and 30 May 1983. Research was conducted off the west coast of South Africa between Cape Point and Orange River.
South Coast Demersal Inshore Biomass Survey on the Africana Voyage 106, September 1992
The South Coast Demersal Inshore Biomass Survey was conducted on the Africana Voyage 106 from 02 to 23 September 1992. The objectives of the survey were to conduct a stratified bottom trawl survey to assess the biomass, abundance and distribution of hake, sole, horse mackerel, squid and other trawl species with emphasis on 'inshore' fishing areas for recruitment estimates; to investigate the hydrology and current profiles of the South Coast and to relate this to the distribution pf the...
Anchovy Recruitment on the Africana Voyage 047, August 1986
The main objectives of the cruise were a direct assessment of the biomass of adult anchovy and pilchard on the South and East coasts by acoustic survey, supplemented by aerial fish spotting (East Coast only); an acoustic investigation of the distribution and behaviour of other pelagic fish of commercial importance; an investigation of the relationship between anchovy, pilchard and the hydrobiological environment, specifically water temperature and plankton distribution; a determination of...
West Coast Hake Biomass Survey on the Africana Voyage 050, January 1987
The objectives of the cruise were to survey by means of trawling the abundance of adult and recruiting hake; to investigate the the diurnal cycle of hake and other demersal species; to investigate the environment and interrelationships of hake and other demersal species; to establish the offshore limit of hake and monkfish distribution and to collect deep-water specimens of fish and cephalopods; to conduct mouth-opening experiments with transducers on each wing of the net, and to compare the...
Horse Mackerel Hydroacoustic Survey on the Africana Voyage 107, October 1992
The Horse Mackerel Hydroacoustic Survey was conducted on the Africana Voyage 107 from 07-23 October 1992. The objectives of the survey were to obtain a hydroacoustic estimate of horse mackerel abundance in the area between East London and Mossel Bay; to obtain acoustic estimates of anchovy and pilchard abundance east of Mossel Bay to assist in the design of the pelagic spawner biomass survey in November; to obtain a target strength/length relationship for horse mackerel and target strength...
West Coast Hake Biomass Survey on the Africana Voyage 109, January 1993
The West Coast Hake Biomass Survey was conducted on the Africana Voyage 109 from 19 January to 08 February 1993. The objectives of the cruise were to survey by means of bottom trawling the abundance of hake and ither demersal species on the West Coast of South Africa; to investigate the environmental and ecological interrelationships of hake and other demersal species; to study the biology of chondrichthyan species; to investigate the evolution of chondrichthyan immune systems; to obtain...
Pelagic Biomass Survey on the Africana Voyage 108, November 1992
The Pelagic Spawner Biomass Survey was conducted on the Africana Voyage 108 from 05 November to 02 December 1992. The objectives of the survey were to get an estimation of the biomass and population length structure of anchovy, pilchard and round herring off South Africa by means of echo-integration and midwater trawling; estimation of anchovy biomass by means of the egg production method, and trial estimation of pilchard biomass by means of the egg production method; description of...
Anchovy and Pilchard Spawning Stock Survey on the Africana Voyage 057, November 1987
The main objective of the cruise was to determine acoustically the biomass of the pilchard and anchovy spawning stocks between Hondeklip Bay and the eastern end of the Agulhas Bank. Additionally, the relationship between the distribution of pelagic fish, their eggs and the water temperature was investigated, and chemical samples were taken along lines of stations as part of an ongoing investigation with the supply of nutrients to the Agulhas Bank.
Raw CTD data from the Pelagic Biomass Survey on the Africana Voyage 290, October 2016
This is raw Conductivity, Temperature, Depth (CTD) data from the Pelagic Biomass Survey on the Africana Voyage 290 from 25 October - 14 December 2016. The cruise operated from Hondeklip Bay to Port St Johns, South Africa.The principal aim of the Pelagic Biomass Surveys is to obtain estimates of the total biomass of anchovy, sardine and west coast round herring and to obtain data on their population length frequency compositions, for input to the operational management procedure (OMP) for...
Processed CTD continuous observations from the West Coast Hake Biomass Survey on the Africana Voyage 059, February 1988
Here we present processed downcast Conductivity-Temperature-Depth (CTD) continuous data collected between 02 February and 25 February 1988, during the West Coast Hake Biomass Cruise on the Africana Voyage 059, in the southern part of the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa. Neil Brown MK3 and MK4 CTD instruments were used to measure pressure, temperature and conductivity through the water column during research and monitoring cruises...
West Coast Hake Biomass Survey on the Africana Voyage 059, February 1988
The main objective of the cruise was to survey by means of trawling the abundance of adult and recruiting hake in South African waters; to investigate the diurnal cycle of hake and other demersal species; to make some experimental trawls in deep water to collect deep-water specimens of fish and squid; to collect routine biological material on demersal species from South West African waters; to investigate the occurence, distribution and abundance of squid and squid larvae; to study demersal...
South Coast Hake Biomass Survey on the Africana Voyage 063, May 1988
The objective of the cruise was to survey by means of trawling the abundance of adult and recruiting hake, sole and other trawl target species; to investigate the environment and interrelationships of hake and other demersal species in various depth strata; to study demersal community relationships; to investigate the occurence, distribution and abundance of squid; to investigate the occurence of linefish species in shallow waters; and to study the biology of sharks and skates. Oceanographic...
West Coast Hake Biomass Survey on the Africana Voyage 054, June 1987
The scientific targets of the trip revolved around the determination of biomass index of both Cape hake species off the South African west coast. The diurnal cycle of Cape hake and their relationship with environmental parameters was also studied. Some hake material were collected in South West African waters. Deep-water trawls were made to delimit the offshore extent of hake distribution and to collect rare specimens of fish for accession to museums. Demersal community interrelationships...
South Coast Hake Biomass Survey on the Africana Voyage 056, September 1987
The objectives of the cruise were to survey by means of trawling the abundance of adult and recruiting hake, sole and other trawl target species; to investigate the environment and ecological interrelationships of hake and other demersal species in the various depth strata; to investigate the occurence, distribution and abundance of squid and squid larvae; to investigate the occurence of linefish species in shallow waters; to identify every species caught in the trawl net; and to do...
Processed CTD discrete observations from the West Coast Hake Biomass Survey on the Africana Voyage 059, February 1988
Here we present processed Conductivity-Temperature-Depth (CTD) discrete data from the upcast collected between 02 February and 25 February 1988, during the West Coast Hake Biomass Cruise on the Africana Voyage 059, in the southern part of the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of South Africa. Neil Brown MK3 and MK4 CTD instruments were used to measure pressure, temperature and conductivity through the water column during research and monitoring cruises...
Pelagic Fish Biomass Survey on the Africana Voyage 078, November 1989
The Pelagic Fish Biomass Survey was conducted on the Africana Voyage 078 from 7 - 30 November 1989. The objectives of the cruise were to conduct an estimation of the biomass and population structure of anchovy, pilchard and round herring off South Africa by means of echo-integration and midwater trawling; to conduct an estimation of anchovy biomass by means of the egg production method; to describe the distribution and behaviour patterns of commercially harvested epi-pelagic and meso-pelagic...
West Coast Hake Biomass Survey on the Africana 069, January 1989
The West Coast Hake Biomass Survey was conducted on the Africana 069 from 5 - 26 January 1989. The cruise was multi-disciplinary. The main target was to determine, by means of the swept area method, the present status of the hake resource on the South African west coast. In carrying out this study, it was possible also to collect some information on the environment and zooplankton (including squid larvae) in the vicinity of the catches and to determine some ecological interrelationships of...
Raw CTD data from Port St Johns Conductivity Temperature Depth (CTD) and Bathymetry Survey on Algoa Voyage 198, May 2013
Raw Conductivity, Temperature, Depth (CTD) data from Port St Johns Conductivity, Temperature, Depth (CTD) and Bathymetry Survey on Algoa Voyage 198, 8 May - 13 May, 2013. This cruise has two scientific objectives: (1) to investigate the dynamics of the Port St. Johns eddy and biological implications and (2) to investigate the existence of mesoscale eddies in the Agulhas Current. In the case of the former, Oceans & Coasts was asked to provide input to the recent spate of shark attacks off...
Raw CTD data from the Integrated Ecosystem Programme: Southern Benguela (IEP:SB) on the Algoa Voyage 209, August 2014
This is raw Conductivity, Temperature, Depth (CTD) data from the Integrated Ecosystem Programme: Southern Benguela on the Algoa Voyage 209, 5 to 15 August, 2014. The Integrated Ecosystem Programme: Southern Benguela (IEP:SB) is a multi-disciplinary, multi-institutional platform to undertake relevant science in the Southern Benguela; also functioning as a platform for collaboration and learning. All projects aim to develop an ecosystem indicator that can be used to effectively monitor and...
Raw TSG data from the Integrated Ecosystem Programme: Southern Benguela (IEP:SB) on the Algoa Voyage 209, August 2014
This is raw Thermosalinograph (TSG) data from the Integrated Ecosystem Programme: Southern Benguela on the Algoa Voyage 209, 5 to 15 August, 2014. The Integrated Ecosystem Programme: Southern Benguela (IEP:SB) is a multi-disciplinary, multi-institutional platform to undertake relevant science in the Southern Benguela; also functioning as a platform for collaboration and learning. All projects aim to develop an ecosystem indicator that can be used to effectively monitor and understand the...