161 datasets found Page 1 of 7
(No DOI)
State of the ocean and coasts around South Africa 2016 report card

Please note that the contact information included in the report is superseded by the contact information that can be found in the Responsible Parties field of this metadata record.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 report is compiled primarily by staff within the Chief Directorate: Oceans and Coasts Research that resides within the Branch: Oceans and Coasts. Contributors from outside the Department are acknowledged. The Branch maintains and seeks to grow human capacity and infrastructure in all aspects of marine...

DOI: 10.15493/dea.mims.26052203
Marion Island Relief Voyage on the MV SA Agulhas II Voyage 019, April 2016

The Marion Island Relief Voyage was conducted on the MV S. A. 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 vessel MV SA Agulhas II en route to, and around, the...

DOI: 10.15493/dea.mims.26052207
Marion Island Annual Relief Voyage on the SA Agulhas II Voyage 024, April 2017

The Marion Island Annual Relief Voyage was conducted 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 vessel MV SA Agulhas II en route to, and around,...

DOI: 10.15493/dea.mims.26052211
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)
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...

DOI: 10.15493/dea.mims.20210313
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.

DOI: 10.15493/DEA.MIMS.03552023
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.

DOI: 10.15493/dea.mims.01022026
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.

DOI: 10.15493/DEA.MIMS.34122022
West Coast Hake Biomass on the Africana Voyage 046, July 1986

The West Coast Hake Biomass was carried out on the Africana Voyage 046 from 1 to 24 July 1986.

DOI: 10.15493/dea.mims.26500018
Compilation of validated and processed Bongo data (deck, flow and count) from the St Helena Bay Monitoring Line (SHBML) on the Algoa Voyage 088, December 2000

Compilation of processed and validated data of mesozooplankton along the St Helena Bay Monitoring Line (SHBML) (now under the Integrated Ecosystem Programme: Southern Benguela) on the Algoa, Voyage 088, from 12 to 13 December 2000. This includes the validated flow, processed counts and validated ship`s information. This is ready for analysis by a user. This is a long-term monitoring line conducted off the coast of Elands/St Helena Bay on the west coast of South Africa. SHBML started in 2000...

DOI: 10.15493/dea.mims.26500012
Compilation of validated and processed data (deck, flow and count) from the St Helena Bay Monitoring Line (SHBML) on the Africana Voyage 181, August 2003

Compilation of processed and validated data of mesozooplankton along the St Helena Bay Monitoring Line (SHBML) (now under the Integrated Ecosystem Programme: Southern Benguela (IEP:SB)) on the Africana, Voyage 181, from 12 to 13 August 2003. This includes the validated flow, processed counts and validated ship`s information. This is ready for analysis by a user. This is a long-term monitoring line conducted off the coast of Elands/St Helena Bay on the west coast of South Africa. SHBML...

DOI: 10.15493/dea.mims.26052232
Integrated Ecosystem Programme: Southern Benguela (IEP:SB) on the Algoa Voyage 216, May 2015

The Integrated Ecosystem Programme: Southern Benguela was conducted on the Algoa Voyage 216, 06 to 15 May, 2015. The Integrated Ecosystem Programme 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 Southern Benguela i.e physical, chemical, planktonic, microbial,...

DOI: 10.15493/DEA.MIMS.29122022
West Coast Hake Biomass on the Africana Voyage 033, July 1985

The objectives of this cruise were to survey by means of trawling the abundance of adult and recruiting hake; to investigate the diurnal cycle of hake and other demersal species; to investigate the environment and ecological interrelationships of hake and other demersal species and to carry out acoustic target identification of mesopelagic species with RMT 8 nets.

DOI: 10.15493/DEA.MIMS.33122022
West Coast Hake Biomass on the Africana Voyage 039, January 1986

The objectives of this cruise were to survey by means of trawling the abundance of adult and recruiting hake; to investigate the diurnal cycle of hake and other demersal species; to investigate the environment and ecological interrelationships of hake and other demersal species; to carry out acoustic target identification of mesopelagic species with RMT 8 nets; to make a few experimental trawls in deep water to search for the other species of monkfish and to determine the offshore limit of...

DOI: 10.15493/DEA.MIMS.01852023
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...

DOI: 10.15493/DEA.MIMS.31122022
South Coast Hake Biomass on the Africana Voyage 036, October 1985

The first objective of this cruise was to establish, by means of surveying and trawling between 200m and 500m water depths, the feasibility of extending the hake biomass surveys to the South Coast. The area 20 E to 25 E, from 75m to 200m water depths, has already been covered during biomass surveys by Japanese research vessels, accompanied on each occasion by one of the Institute's scientists. The feasibility of trawling shallower than 200m in this region, albeit with heavy gear, has thus...

DOI: 10.15493/DEA.MIMS.28122022
West Coast Hake Biomass on the Africana Voyage 028, January 1985

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 compare trawling results of R.S. Africana with those of the Chicha Touza, the Spanish trawler used for similar surveys; to carry out acoustic target identification of mesopelagic species using RMT 8 nets and to retrieve two current meter arrays deployed during Voyage 025.

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.200521-1
Benthic invertebrate fauna, associated habitats and potential factors influencing their distribution and abundance in the Southern Benguela Ecoregion, Algoa Voyage 263, August 2019

This Southern Benguela Cruise was conducted in the Southern Benguela Ecoregion on the Algoa Voyage 263, August 2019. This study focuses on providing a better understanding of the benthic invertebrate communities and associated habitats of three priority areas within the southernmost portion of the Southern Benguela Ecoregion. This includes Robben Island, the Table Mountain National Park Marine Protected Area (TMNP MPA) and the newly proposed Seas of Good Hope Ecologically and Biologically...

DOI: 10.15493/dea.mims.200521-6
Raw grab camera image data to investigate substrate categories associated with benthic invertebrate fauna of the Southern Benguela Ecoregion on the Algoa Voyage 263, August 2019

This is raw grab image data from the Southern Benguela Cruise, which was conducted in the Southern Benguela Ecoregion on the Algoa Voyage 263, August 2019. This study focuses on providing a better understanding of the benthic invertebrate communities and associated habitats of three priority areas within the southernmost portion of the Southern Benguela Ecoregion. This includes Robben Island, the Table Mountain National Park Marine Protected Area (TMNP MPA) and the newly proposed Seas of...

DOI: 10.15493/dea.mims.200521-9
Processed ski monkey camera data to investigate benthic invertebrate fauna and associated habitats of the Southern Benguela Ecoregion on the Algoa Voyage 263, August 2019

This is processed ski monkey data from the Southern Benguela Cruise, which was conducted in the Southern Benguela Ecoregion on the Algoa Voyage 263, August 2019. This study focuses on providing a better understanding of the benthic invertebrate communities and associated habitats of three priority areas within the southernmost portion of the Southern Benguela Ecoregion. This includes Robben Island, the Table Mountain National Park Marine Protected Area (TMNP MPA) and the newly proposed Seas...

(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)...

DOI: 10.15493/DEA.MIMS.05242023
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...

DOI: 10.15493/DEA.MIMS.03572023
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...

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...

161 datasets found Page 1 of 7