170 datasets found Page 5 of 7
DOI: 10.15493/DEA.MIMS.01872023
South Coast Hake Biomass Survey on the Africana Voyage 048, September 1986

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; an investigation of the environment and interrelationships of hake and other demersal species in various depth strata; to investigate the occurence, distribution and abundance of squid and squid larvae; and to investigate the occurence of linefish species in shallow waters.

DOI: 10.15493/DEA.MIMS.11862023
West Coast Hake Biomass Survey on the Africana Voyage 075, July 1989

The West Coast Hake Biomass Survey on the Africana Voyage 075 was conducted from 14 July - 17 August 1989. The objectives of the cruise were 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 investigate the environmental and ecological interrelationships of hake and demersal species; to make some experimental trawls in deep water to determine hake distribution limits and...

DOI: 10.15493/DEA.MIMS.25122022
West Coast Hake Biomass on the Africana Voyage 022, July 1984

The objectives of this cruise were to survey by means of trawling the abundance of adult and recruiting hake; to investigate the diurnal cycle and the environment of hake and other demersal species; to carry out acoustic target identification of mesopelagic species using RMT-8 nets and to study the community interactions of fish species in the area.

DOI: 10.15493/DEA.MIMS.32122022
Anchovy Spawning Stock Survey on the Africana Voyage 038, November 1985

The objectives of this cruise were to assess the size of the anchovy spawning stock in Cape waters by acoustic survey and estimation of egg production; describe the distribution and behaviour of other pelagic and mesopelagic fish of commercial importance; describe anchovy spawning patterns and estimate the precision of the parameters used in assessing spawning stock size by the egg production method (sex ratio, spawning fraction, fecundity, mean weight); and to investigate relationships...

DOI: 10.15493/DEA.MIMS.11682023
Processed CTD continuous observations from the West Coast Hake Biomass Survey on the Africana Voyage 075, July 1989

Here we present processed downcast Conductivity-Temperature-Depth (CTD) continuous data collected between 14 July and 17 August 1989 during Voyage 075 on the FRS Africana, in the Benguela Current Large Marine Ecosystem (BCLME) region on the west coast of Southern 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 between 1983 and 2000. The objectives of the West Coast Hake...

(No DOI)
Raw SPAR data from the Transkei Shelf Oceanography Cruise on the Algoa 241, July 2017

This is raw Surface Photosynthetically Active Radiation (SPAR) data from the Transkei Shelf Oceanography Cruise on the Algoa 241, 12 July to 11 August, 2017. The area covered includes the Transkei shelf and continental slope (20m to 1000m), of the Eastern Cape, between Cape St Francis and Port Shepstone in the South-West Indian Ocean.Our knowledge of the distribution of offshore benthic biodiversity on the Transkei shelf is very limited. The region between Algoa Bay and Port Edward is not...

DOI: 10.15493/DEA.MIMS.54072024
Pelagic Pre-Recruit Mesopelagic Biomass Survey on the Africana Voyage 101, March 1992

The Pelagic Pre-Recruit Mesopelagic Biomass Survey was conducted on the Africana Voyage 101 from 11-23 March 1992. The objectives of the cruise were to get an estimation of the biomass and population structure of pelagic pre-recruit fish off the West Coast by means of echo-integration and midwater trawling; to get an estimation of a pelagic pre-recruit biomass index using quantitative Methot trawls; to get an an estimation of the biomass and population structure of mesopelagic fish using...

DOI: 10.15493/DEA.MIMS.24072024
West Coast Hake Biomass Survey on the Africana Voyage 084, July 1990

The West Coast Hake Biomass Survey was conducted on the Africana Voyage 084 from 12 July - 06 August 1990. The objectives of the cruise were to survey by means of trawling the abundance of adult and recruiting hake in South African waters; to investigate diurnal cycle of hake and other demersal species; to investigate the environmental and ecological interrelationships of hake and other demersal species; to investigate the occurrence, distribution, and abundance of squid; to study the...

DOI: 10.15493/DEA.MIMS.45072024
Pelagic Fish Biomass Survey on the Africana Voyage 097, November 1991

The Pelagic Fish Biomass Survey was conducted on the Africana Voyage 097 from 07 November to 03 December 1991. The objectives of the cruise were to estimate the biomass and population length structure of anchovy, pilchard, and round herring off South Africa by means of echo-integration and midwater trawling; to estimate anchovy biomass by means of the egg production method, and trial estimate pilchard biomass by means of the egg production method; to describe the distribution and behaviour...

DOI: 10.15493/DEA.MIMS.30072024
West Coast Hake Biomass Survey on the Africana Voyage 088, January 1991

The West Coast Hake Biomass Survey was conducted on the Africana Voyage 088 from 07-29 January 1991. The objectives of the cruise were to survey by means of bottom trawling the abundance of hake and other demersal species on the West Coast of South Africa; to investigate the environmental and ecological interrelationships of hake and other demersal species; to investigate the possible recovery of the stocks of West Coast Sole; to study the biology of chondrichthyan species; to collect...

(No DOI)
Raw CTD data from the Marion Island Annual Relief Voyage on the SA Agulhas II Voyage 024, April 2017

This is raw Conductivity, Temperature, Depth (CTD) data from the Marion Island Annual Relief Voyage on the MV SA Agulhas II Voyage 024, 06 April to 12 May 2017. The 2017 Marion Relief Voyage offered the fifth opportunity to conduct multi-disciplinary, shipbased marine research focusing on links and interactions between air and sea, ocean physics, chemistry, biogeochemistry and biology, including microbial, planktic and benthic communities on board South Africa’s polar research and supply...

(No DOI)
Raw CTD data from the Marion Island Relief Voyage on the SA Agulhas II Voyage 015, April 2015

This is raw Conductivity, Temperature, Depth (CTD) data from the Marion Island Relief Voyage on the SA Agulhas II Voyage 015 from 9 April to 15 May, 2015. The 2015 Marion Relief Voyage on board South Africa’s polar research and supply vessel MV SA Agulhas II offered yet another opportunity to conduct multi-disciplinary ship-based oceanographic research focusing on links and interactions between air and sea, ocean physics, chemistry, biogeochemistry and biology, including microbial, planktic...

(No DOI)
Raw CTD data from the Transkei Shelf Oceanography Cruise on the Algoa 241, July 2017

This is raw Conductivity, Temperature, Depth (CTD) data from the Transkei Shelf Oceanography Cruise on the Algoa 241, 12 July to 11 August, 2017. The area covered includes the Transkei shelf and continental slope (20m to 1000m), of the Eastern Cape, between Cape St Francis and Port Shepstone in the South-West Indian Ocean.Our knowledge of the distribution of offshore benthic biodiversity on the Transkei shelf is very limited. The region between Algoa Bay and Port Edward is not only important...

(No DOI)
Processed CTD data from the Pelagic Biomass Survey on the Africana Voyage 290, October 2016

This is processed 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)...

(No DOI)
Converted CTD data from the Pelagic Biomass Survey on the Africana Voyage 290, October 2016

This is converted 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)...

(No DOI)
Processed CTD data from the Marion Island Annual Relief Voyage on the SA Agulhas II Voyage 024, April 2017

This is processed Conductivity, Temperature, Depth (CTD) data from the Marion Island Annual Relief Voyage on the SA Agulhas II Voyage 024, 06 April to 12 May 2017. The 2017 Marion Relief Voyage offered the fifth opportunity to conduct multi-disciplinary, shipbased marine research focusing on links and interactions between air and sea, ocean physics, chemistry, biogeochemistry and biology, including microbial, planktic and benthic communities on board South Africa’s polar research and supply...

(No DOI)
Processed SADCP data from the Marion Island Annual Relief Voyage on the SA Agulhas II Voyage 024, April 2017

This is processed Shipboard Acoustic Doppler Current Profiler (SADCP) data from the Marion Island Annual Relief Voyage on the MV SA Agulhas II Voyage 024, 06 April to 12 May 2017. The 2017 Marion Relief Voyage offered the fifth opportunity to conduct multi-disciplinary, shipbased marine research focusing on links and interactions between air and sea, ocean physics, chemistry, biogeochemistry and biology, including microbial, planktic and benthic communities on board South Africa’s polar...

(No DOI)
Processed Underway Conductivity, Temperature and Depth (UCTD) data from the Winter Shakedown Cruise on SA Agulhas II Voyage 003, July 2012

This is processed Underway Conductivity, Temperature, Depth (UCTD) data from the Winter Shakedown Cruise on 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...

(No DOI)
Processed SADCP data from the Marion Island Relief Voyage on SA Agulhas II Voyage 011, April 2014

This is processed Shipboard Acoustic Doppler Current Profiler (SADCP) data from the Marion Island Relief Voyage on SA Agulhas II Voyage 011, 14 April to 14 May 2014. The 2014 Marion Relief Voyage on board South Africa’s polar research and supply vessel MV SA Agulhas II, offered another opportunity to conduct multi-disciplinary ship-based oceanographic research focusing on links and interactions between air and sea, ocean physics, chemistry, biogeochemistry and biology. The overall aim was to...

(No DOI)
Preliminary processed and bin averaged CTD data from the Marion Island Relief Voyage on the SA Agulhas II Voyage 019, April 2016

This is processed Conductivity, Temperature, Depth (CTD) data (1m BinAvg) from the Marion Island Relief Voyage on the MV SA Agulhas II Voyage 019, 7 April to 16 May 2016. The 2016 Marion Relief Voyage 019 offered the 4th opportunity to conduct multi-disciplinary, ship-based marine research focusing on links and interactions between air and sea, ocean physics, chemistry, biogeochemistry and biology, including microbial, planktic and benthic communities on board South Africa’s polar research...

(No DOI)
Processed and corrected CTD data from the Marion Island Relief Voyage on the SA Agulhas II Voyage 019, April 2016

This is processed and corrected Conductivity, Temperature, Depth (CTD) data from the Marion Island Relief Voyage on the MV SA Agulhas II Voyage 019, 7 April to 16 May 2016. The 2016 Marion Relief Voyage 019 offered the 4th opportunity to conduct multi-disciplinary, ship-based marine research focusing on links and interactions between air and sea, ocean physics, chemistry, biogeochemistry and biology, including microbial, planktic and benthic communities on board South Africa’s polar research...

(No DOI)
Processed CTD data from the Marion Island Relief on the SA Agulhas II Voyage 036, April 2019

The 2019 Marion Relief Voyage offered the 7th opportunity to conduct multi-disciplinary, shipbased marine research focusing on links and interactions between air and sea, ocean physics, chemistry, biogeochemistry and biology, including microbial, planktic and benthic communities on board South Africa’s polar research and supply vessel MV SA Agulhas II en route to, and around, the sub-Antarctic Prince Edward archipelago. The overall aim was to continue contributing to an oceanographic...

(No DOI)
Pre-processed CTD data from the South Coast Mooring Cruise on the Algoa Voyage 208, July 2014

This is pre-processed Conductivity, Temperature, Depth (CTD) data collected on the South Coast Mooring Cruise on the Algoa Voyage 208, 9 to 24 July 2014. The South Coast Mooring Cruise had two scientific objectives: (1) Service, maintain and extend the in situ operational oceanography network currently deployed around South Africa and (2) to investigate the dynamics of the Port St Johns eddy and biological implications. Between 1988 and 2011, environmental and plankton sampling was conducted...

(No DOI)
Processed CTD data from the South Coast Mooring Cruise on the Algoa Voyage 208, July 2014

This is processed Conductivity, Temperature, Depth (CTD) data collected on the South Coast Mooring Cruise on the Algoa Voyage 208, 9 to 24 July 2014. The South Coast Mooring Cruise had two scientific objectives: (1) Service, maintain and extend the in situ operational oceanography network currently deployed around South Africa and (2) to investigate the dynamics of the Port St Johns eddy and biological implications. Between 1988 and 2011, environmental and plankton sampling was conducted...

(No DOI)
Preliminary processed CTD data from the Marion Island Relief Voyage on the SA Agulhas II Voyage 019, April 2016

This is processed Conductivity, Temperature, Depth (CTD) data from the Marion Island Relief Voyage on the MV SA Agulhas II Voyage 019, 7 April to 16 May 2016. The 2016 Marion Relief Voyage 019 offered the 4th opportunity to conduct multi-disciplinary, ship-based marine research focusing on links and interactions between air and sea, ocean physics, chemistry, biogeochemistry and biology, including microbial, planktic and benthic communities on board South Africa’s polar research and supply...

170 datasets found Page 5 of 7

Geographic extent

1000 km
Leaflet Tiles © Esri — Source: Esri, DeLorme, NAVTEQ, USGS, Intermap, iPC, NRCAN, Esri Japan, METI, Esri China (Hong Kong), Esri (Thailand), TomTom, 2012

Temporal extent