Tara versamel Atlantiese Oseaan se data

Historiese skip besoek Walvisbaai
Mikrobioom-navorsing word tans langs Afrika se weskus uitgevoer.
Augetto Graig
Die navorsingstuig Tara vaar vandag uit Walvisbaai om belangrike werk vir die bewaring van die wêreld se oseane voort te sit. Die seilvaartuig was oor die naweek in die hawe waar die bemanning begeleide toere aangebied het om hierdie drywende laboratorium aan belangstelles te wys.

Die vaartuig – ryk aan geskiedenis – is op die laaste been van ’n epiese avontuur wat in Desember 2020 in Lorient, Frankryk, weggespring het en in Oktober vanjaar weer daar sal eindig. Die seilboot het Namibië bereik nadat meer as 53 000 km afgelê is en is besig met die laaste fase van die mikrobioom-studiesending van Afrika se weskus.

Die seilskip is in 1989 gebou en onder andere deur die Franse doktor en ontdekkingsreisiger Jean-Louis Etienne die ‘Antarctica’ gedoop.

Tien jaar later het die passievolle Nieu-Seelandse ekoloog Peter Blake dit gekoop en die naam tot ‘Seamaster’ verander. Hy is op 5 Desember 2001 deur seerowers doodgemaak terwyl hy op die Amasonerivier verandering van die omgewing gemonitor het.

In 2003 het mnr. Étienne Bourgois die vaartuig gekoop, tot ‘Tara’ herdoop en die buitengewone seereise voortgesit.

Mariene mikro-organismes is noodsaaklik in die oseaan en verteenwoordig meer as twee derdes van die mariene biomassa. Hulle is die eerste skakel in ’n groot voedselweb wat ’n groot deel van die mensdom voed.

Vir die afgelope jaar-en-’n-half het die laboratoriumskip die Chileense, Karibiese, Brasiliaanse en Argentynse waters ondersoek en toe ’n missie in die Weddell See in Antarktika uitgevoer. Volgende sal die span wetenskaplikes sommige van die mees produktiewe seestreke op die planeet – die Benguela-stroom en die kus van Senegal – verder verken.

Tussen 23 Junie tot 19 September is die volgende beplande stopplekke in Luanda, Matadi (DRK), by Pointe Noire (Kongo), Gambië se hoofstad Banjul en daarna Senegal se hoofstad Dakar.

Die Tara Oseaanstigting se sending is deel van die Europese AtlantECO-projek, wat deur die Europese Kommissie gefinansier word en meer as 36 wetenskaplike instellings in Europa, Brasilië en Suid-Afrika byeenbring. Hierdie internasionale wetenskaplike samewerking streef na ’n gedetailleerde begrip van die kwessies wat met die Atlantiese Oseaan verband hou.

AtlantECO sal die Atlantiese Oseaan deurkruis met ses hoofekspedisies. Tydens hierdie ekspedisies sal wetenskaplikes die funksionering en sirkulasie van die mariene mikrobioom bestudeer, en ook die impak van plastiek en chemiese besoedeling en klimaatsverandering ontleed.

“Met hierdie ekspedisie wil ons samewerking met Afrika se wetenskaplike gemeenskap bewerkstellig en die data deel wat opgelewer sal word. Die beskikbaarheid van wetenskaplike data is inderdaad ’n belangrike saak vir Afrika om die gesondheid van mariene ekosisteme op te neem en vir maatreëls om dit te beskerm,” het mnr. Romy Hentinger, direkteur van die voorspraakafdeling by die Tara Oseaanstigting in ’n vrystelling gesê.

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Premier League: Brighton 0 vs 4 Manchester City | Manchester United 4 vs 2 Sheffield United | Everton 2 vs 0 Liverpool | Crystal Palace 2 vs 0 Newcastle | Wolves 0 vs 1 Bournemouth | Arsenal 5 vs 0 Chelsea LaLiga: Real Sociedad 0 vs 1 Real Madrid SerieA: Frosinone 3 vs 0 Salernitana | Udinese 1 vs 2 AS Roma European Championships Qualifying: Queens Park Rangers 4 vs 0 Leeds United | Coventry City 2 vs 3 Hull City | Leicester City 5 vs 0 Southampton English Championship: Queens Park Rangers 4 vs 0 Leeds United | Coventry City 2 vs 3 Hull City | Leicester City 5 vs 0 Southampton Katima Mulilo: 16° | 33° Rundu: 16° | 33° Eenhana: 16° | 35° Oshakati: 17° | 34° Ruacana: 17° | 35° Tsumeb: 18° | 32° Otjiwarongo: 14° | 31° Omaruru: 16° | 34° Windhoek: 15° | 29° Gobabis: 18° | 30° Henties Bay: 15° | 22° Wind speed: 26km/h, Wind direction: S, Low tide: 10:31, High tide: 04:30, Low Tide: 22:38, High tide: 16:57 Swakopmund: 15° | 18° Wind speed: 28km/h, Wind direction: SW, Low tide: 10:29, High tide: 04:28, Low Tide: 22:36, High tide: 16:55 Walvis Bay: 16° | 26° Wind speed: 34km/h, Wind direction: SW, Low tide: 10:29, High tide: 04:27, Low Tide: 22:36, High tide: 16:54 Rehoboth: 17° | 31° Mariental: 20° | 34° Keetmanshoop: 22° | 34° Aranos: 20° | 33° Lüderitz: 13° | 24° Ariamsvlei: 20° | 35° Oranjemund: 17° | 30° Luanda: 26° | 29° Gaborone: 18° | 27° Lubumbashi: 11° | 25° Mbabane: 13° | 17° Maseru: 9° | 23° Antananarivo: 14° | 27° Lilongwe: 14° | 26° Maputo: 18° | 25° Windhoek: 15° | 29° Cape Town: 15° | 27° Durban: 17° | 22° Johannesburg: 15° | 23° Dar es Salaam: 23° | 31° Lusaka: 17° | 26° Harare: 14° | 26° Currency: GBP to NAD 23.44 | EUR to NAD 20.1 | CNY to NAD 2.59 | USD to NAD 18.8 | DZD to NAD 0.14 | AOA to NAD 0.02 | BWP to NAD 1.33 | EGP to NAD 0.39 | KES to NAD 0.14 | NGN to NAD 0.01 | ZMW to NAD 0.71 | ZWL to NAD 0.04 | BRL to NAD 3.68 | RUB to NAD 0.21 | INR to NAD 0.23 | USD to DZD 134.22 | USD to AOA 834.06 | USD to BWP 13.79 | USD to EGP 47.85 | USD to KES 134.48 | USD to NGN 1329.44 | USD to ZAR 18.78 | USD to ZMW 26.5 | USD to ZWL 321 | Stock Exchange: JSE All Share Index 74329.37 Down -0.25% | Namibian Stock Exchange (NSX) Overall Index 1642.69 Up +6.30% | Casablanca Stock Exchange (CSE) MASI 13346.81 Up +0.49% | Egyptian Exchange (EGX) 30 Index 25917.59 Down -3.21% | Botswana Stock Exchange (BSE) DCI Same 0 | NSX: MTC 7.75 SAME | Anirep 8.99 SAME | Capricorn Investment group 17.34 SAME | FirstRand Namibia Ltd 49 DOWN 0.50% | Letshego Holdings (Namibia) Ltd 4.1 UP 2.50% | Namibia Asset Management Ltd 0.7 SAME | Namibia Breweries Ltd 31.49 UP 0.03% | Nictus Holdings - 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Nam 2.22 SAME | Oryx Properties Ltd 12.1 UP 1.70% | Paratus Namibia Holdings 11.99 SAME | SBN Holdings 8.45 SAME | Trustco Group Holdings Ltd 0.48 SAME | B2Gold Corporation 47.34 DOWN 1.50% | Local Index closed 677.62 UP 0.12% | Overall Index closed 1534.6 DOWN 0.05% | Osino Resources Corp 19.47 DOWN 2.41% | Commodities: Gold US$ 2 338.05/OZ UP +0.31% | Copper US$ 4.54/lb UP +0.71% | Zinc US$ 2 869.50/T UP 0.15% | Brent Crude Oil US$ 88.96/BBP UP +0.08% | Platinum US$ 913.47/OZ DOWN -0.0026