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MosselbayonTheline | First With The News

Scientists want to force SA to cut back rock lobster harvest

West Coast rock lobster is facing extinction.

The world’s top marine scientists have stepped in to stop the government destroying one of the ocean’s most prized species and triggering an ecological disaster.























An unprecedented World Wide Fund for Nature court bid to save the West Coast rock lobster from extinction has united scientists from around the world against the Department of Agriculture, Forestry and Fisheries.

Evidence and affidavits submitted to the High Court in Cape Town reveal how the department has ignored advice from its scientists to reduce the rock lobster harvest.

The department’s top officials have stopped paying for rock lobster stock assessments and have delayed vital scientific surveys of other fish species such as sardines and hake.

Central to the dispute are the minister, Senzeni Zokwana, and suspended deputy director-general for fisheries Siphokazi Ndudane. Both are embroiled in several controversies, including alleged involvement in an abalone corruption scandal, which they deny.

They are accused of manipulating fishing quotas to favour certain interest groups at the expense of sound management.

West Coast rock lobster, locally known as kreef or crayfish, is a valuable export and a vital source of income for coastal communities that survive largely off poaching – one of the main reasons for species decline – in the absence of formal quotas.

The government is finalising community quotas to address poaching, but communities fear it is too little too late because there will be too little left for them to earn a living.

The species also plays a key ecological “scavenger” role and is a source of food for other species such as the bank cormorant, which is also in decline.

The WWF’s court submission includes affidavits from some of the world’s foremost ocean scientists who attest to an alarming decline in kreef.

“This is serious, and indicates that urgent remedial action is needed,” said Andre Punt, director of the School of Aquatic and Fisheries Sciences at the University of Washington.

The WWF wants the court to force fisheries management to return to setting catch limits based on science. It said its evidence raised “very serious and disturbing questions about the integrity and consistency of decision-making” within the department.

Documents before court reveal a series of blunders and contradictions leading to the department’s decision in November to set a kreef quota of 1924 tons – more than double the scientists’ recommendation of 790 tons.

That month, the department signed off on an official document for 790 tons and a press release for 1924 tons. The first document was never publicly released and came to light only after a WWF promotion of access to information application this year. Parts of the document appear to have been redacted.

This week two other global watchdogs joined the fray, warning of possible consequences should the court rule against the department.

The international Marine Stewardship Council said it was monitoring the case in the light of South Africa’s hake MSC certification – a vital stamp of approval needed to export the country’s main commercial fish into the European market and sustain the fishery’s 5000 jobs.

MSC audit team leader Jim Andrews said: “We will be paying attention to the progress of this [legal] process, and when the outcome has been determined we shall review whether or not it has any implications for the ongoing MSC certification of the South African hake fishery.”

Ray Hilborn, a US-based leader in fisheries science who created a country ranking system based on fisheries management – South Africa is ranked sixth – said the WWF’s legal action suggested the department’s conduct “subverts the major elements of sustainable management and puts the long-term productivity of the resource at risk. Such actions would certainly cause the ranking of South Africa to drop appreciably in our survey.”

History has shown that short-sighted fisheries management will only lead to destruction of both the resources and the communities that depend on them

WWF South Africa CEO Morné du Plessis, said the court challenge was a last resort.

 
“History has shown that short-sighted fisheries management will only lead to destruction of both the resources and the communities that depend on them,” he said.

Neither Zokwana’s office nor the department responded to queries. Ndudane referred queries to acting deputy director-general Belemane Semoli, who could not be reached.

In a statement earlier this year, Ndudane said her kreef decision took several factors into account – not just science. “My consultations with individual small-scale fishers, fishing companies and representatives of the fishing communities … confirmed that a substantial cut to the total allowable catch (by 59%) would result in significant job losses, laying up of approximately 50% of the fishing fleet, and social harm,” she said.

In an affidavit, the WWF’s former marine programme manager John Duncan said Ndudane’s response “reflects the wrong perception that sustainability and socioeconomic considerations are competing considerations that require balancing”.

https://www.timeslive.co.za/sunday-times/news/2018-07-07-court-bid-to-save-west-coast-rock-lobster-from-going-extinct/

Sé is verlede jaar hieroor berig: http://www.weskusontheline.co.za/2017/02/10/2301/

Lees ook: DAFF officials behind abalone syndicate back at work

https://www.timeslive.co.za/news/south-africa/2017-07-21-knock-on-door-and-handcuffs-in–future/

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Workers feeding fish in farm
•••

However, aquaculture does pose problems and concerns that need to be addressed, especially if one is considering becoming involved in the industry

Various Problems That Aquaculture Poses

Here are five common problems associated with aquaculture.

The Environment: Like a giant aquarium, land-based fish farms live in tanks containing dirty water that must be changed. Depending on the system's set-up, this can result in the discharge of significant amounts of wastewater containing feces, nutrients and chemicals released into the environment. The release of this matter can result in algae blooms which eventually remove dissolved oxygen in the receiving waterway, or eutrophication. A zero oxygen content results in deadly fish kills.

Additionally, chemicals such as antibiotics and water treatment agents are commonly used in the aquaculture industry and aquaculture systems need to be closed, or wastewater treated prior to discharge.

Disease: Aquaculture operations can spread parasites and disease into the wild. Just like commercial chicken coops must be kept clean and are notorious for the spread of disease, farmed fish and shellfish are subject to the same circumstances.

 

Also, farmed fish have an increased chance of getting parasites such as sea lice, as opposed to fish that live and breed in their natural environment.

Farmed fish are also exposed to disease through the use of unprocessed fish used as a food source, as opposed to safer processed fish pellets.

Escapees: Aquaculture is one of the largest causes for the occurrence of foreign species introduced into new areas, which creates invasive species under the right conditions.

Farmed fish can escape from their pens, damaging both the environment and threatening native fish populations.

As a result, escaped farm fish can compete for food and habitat, displace indigenous species and interfere with the life of wild species. They can also carry diseases and parasites that might kill native species. Additionally, escaped farm fish are able to breed with the wild stock which can dilute the natural gene pool and threaten the long-term survival and evolution of wild species.

Secondary Impacts: Because farmed fish need a food source, other wild species are at risk for being over-fished for the manufacture of fish food. Because most farmed fish are carnivorous, they are fed either whole fish or pellets made from fish. Species such as mackerel, herring and whiting are threatened because of the need to create food for farmed species.

Affects of Construction: Both land-based and aquatic wildlife can lose their habitats through the building of aquaculture facilities along coastal property, where clean and natural water can be accessed for its processes. In one famous example, in Asia and Latin America, mangrove forests have been cleared to make space for shrimp farms.

https://www.thebalance.com/aquaculture-problems-inherent-to-aquaculture-1301970?utm_source=facebook&utm_medium=social&utm_campaign=shareurlbuttons

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Ontstelde hengelaars het heftig reageer op drie foto's van afgekapte haaikoppe wat op Kanon-strand uitgespoel het wat Willie du Toit Saterdag op die Facebook-groep Hengel in Mosselbaai geplaas het.


haaikoppe

Daar is veral kommer oor die langlynbote wat toenemend tot teenaan die kuslyn kom en die seelewe stelselmatig uitroei. Die boot is geïdentifiseer as Mary Ann en is skynbaar een van vier wat permitte het om haaie langs die Suid-Kaapse kuslyn te vang.

Vrae ontstaan of die departement van landbou, bosbou en visserye dié permitte oordeelkundig toeken en aan wie? Is dit nie maar weer 'n omkopery deur die Chinese vir die maak van haaivinsop en kastige seksopkikkers waarvoor ons marienelewe so geplunder word nie?, is gevra.

Willie Du Toit
June 2 at 12:38pm
"My hart het gebreek toe ek, my vrou en kinders vanoggend bietjie die pad strand toe vat op Kanon. Hierdie haaitjies is net 'n paar wat ek bymekaar gemaak het, terwyl daar nog honderde die strand bedek.

"Ek het gisteroggend ongeveer 4 uur gaan visvang en gesien hoe een van die vissersbote tot omtrent 300 meter van die strand af hul lyne ingooi.

"Daar is nou 3 bote in die baai wat ons vis uitroei. So hartseer om te sien en te weet daar is niks wat ons daaraan kan doen nie," het Willie by die foto's van die haaie geskryf.


haaikoppe1

 Sy plasing het emosionele kommentaar uitgelok van hengelaars wat lankal bekommerd is oor die langtermyn-uitwerking van die klomp haai-langlynbote wat gereeld hier aandoen.


(Ons het onlangs 'n video geplaas van 'n reuse-sleepwa tot boordens toe vol gelaai met die karkasse van sowat 2 000 kg se blouhaaie by die hawe op Algoabaai. Dié karkasse was glo die byvangs van tuna-langlynbote wat ook wettige permitte het.) http://www.mosselbayontheline.co.za/…/84-blouhaaie-gestroop…


blouhaaie


Die meer as vyftig haaikoppe van verskillende groottes wat die naweek op Kanon-strand naby Vleesbaai uitgespoel het, is vermoedelik ook byvangs. Dit is onder die aandag van die Fransmanshoek-bewarea gebring.

Die Mary Anne-haai-langlynboot langs Mosselbaai se kus


Volgens 'n berig in Die Burger het Kei Heyns, senior veldwagter van die bewarea, gesê die haaikoppe is bymekaargemaak en foto’s is daarvan geneem.


Die afgelope drie weke was kommersiële haai-langlynbote in die gebied. Die bote beskik oor wettige permitte van die departement van landbou, bosbou en visserye om daar te kan visvang. Daar is geen beperking op die afstand wat die bote aan die strand mag kom nie vanweë die hengelmetodes wat hulle gebruik.
Volgens hom is mense van die gebied egter bekommerd oor die vonds. “Dit is ontstellend om dit te sien
omdat die see daar is vir almal se gebruik,” sê hy.

haaikoppe2

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Dié video van ’n sleepwa tot boordens toe vol gelaai met die karkasse van sowat 2 000 kg se blouhaaie wat ongeërg die hawe by Algoabaai verlaat, laat 'n mens wonder wat deesdae by die Departement van Landbou, Bosbou en Visserye aangaan.

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