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Manne, hier is die rede waarom julle nie meer orde
- Thread starter Mieliepit
- Start date
Ek is nog nie convinced dat die karps die oorsaak is nie.Die meeste van die karps wat ons gevang het die naweek was in slegte kondisie, hulle was vol sere en hulle vinne was ook stukkend. Dit kon nie wees van "spawning' nie want hulle was almal onder die 1kg.Ons het kwaai gevoer en het in drie dae net een mooi karp gevang, as ons dieselfde voer in die Vaaldam of Vaalrivier is dit nie snaaks om sakke van 80kg plus in 7 ure te vang nie.Dit is vir my 'n bewys dat die karps nie so vollop is in Harties soos ander venues nie, en ek glo dit is as gevolg van die nettery en electro fishing.Die water kwalieit is ook bitter sleg in Harties en as jy ankers optrek is dit net plastieksakke en gemors.Ek hou by my punt, hulle blameer die verkeerde goed vir die dam se toestand en hulle kan die geld wat hulle spandeer om die vis te net eerder gebruik om die munisipaliteite aan te vat oor hulle swak bestuur wat veroorsaak dat die dam so besoedel word.
Die water persentasie wat deur die karp op geskommel word wat die groen KAN veroorsaak is absoluut FRAKSIONEEL !
Een enkele motorboot sal aansienlik meer bodem SLIK opskommel as al die karpe in Harties saam. Wanneer die wind waai en die riviere loop word die groot massas slik opgewerk.
Wie ook al hierdie TWAK in julle koppe ingepraat het het 'n voordeel te trek uit hierdie situasie.
Die probleem word deur desoedeling veroorsaak en het VET MOOI NOKOL NIKS met die visse uit te waai nie. Dis net 'n swak argument om hulle sin te kry. So - se bietjie waarom word die babers ook saam met die karp verwyder mmmm ?
Die ENIGSTE invloed wat enige vis se populasie het as dit 'buite beheer' raak is op ander visse - Karp, hoe ongewens, is dit NIE. Die visse in Harties se broeiplekke word deur die oewer 'ontwikkelaars' opgetros en niks word herstel nie. Gaan kyk self hoe lyk die oewer dan se jy nou vir my waar al die vis broei en eiers le.
Papierbek en ander sensitiewe vis het reeds JARE gelede verdwyn uit Harties agv die BESOEDELING wat daar plaasvind.
Dis soos eh eh eh apartheid. Oor twintig jaar van nou af as die dam steeds net 'n gat water is gaan die karp steeds die oorsaak wees.
Ek se weer, dit is ONWETTIG om varswater bronne vir gewin aan te wend en die bronne behoort aan die publiek - nie die parras wat persoonlike voordeel wil trek daaruit nie !
Een enkele motorboot sal aansienlik meer bodem SLIK opskommel as al die karpe in Harties saam. Wanneer die wind waai en die riviere loop word die groot massas slik opgewerk.
Wie ook al hierdie TWAK in julle koppe ingepraat het het 'n voordeel te trek uit hierdie situasie.
Die probleem word deur desoedeling veroorsaak en het VET MOOI NOKOL NIKS met die visse uit te waai nie. Dis net 'n swak argument om hulle sin te kry. So - se bietjie waarom word die babers ook saam met die karp verwyder mmmm ?
Die ENIGSTE invloed wat enige vis se populasie het as dit 'buite beheer' raak is op ander visse - Karp, hoe ongewens, is dit NIE. Die visse in Harties se broeiplekke word deur die oewer 'ontwikkelaars' opgetros en niks word herstel nie. Gaan kyk self hoe lyk die oewer dan se jy nou vir my waar al die vis broei en eiers le.
Papierbek en ander sensitiewe vis het reeds JARE gelede verdwyn uit Harties agv die BESOEDELING wat daar plaasvind.
Dis soos eh eh eh apartheid. Oor twintig jaar van nou af as die dam steeds net 'n gat water is gaan die karp steeds die oorsaak wees.
Ek se weer, dit is ONWETTIG om varswater bronne vir gewin aan te wend en die bronne behoort aan die publiek - nie die parras wat persoonlike voordeel wil trek daaruit nie !
Fanie ek stem saam, iewers trek iemand voordeel daaruit.Al die damme in ons land het karp in en net Harties is so erg vuil. Damme soos Loskop en Arabi het BAIE groot populasies karp en nog steeds kom papierbekke en ander sensitiewe spesies daar voor. Loskop is besig om ook erg besoedel te raak weens stront wat van Witbank en Middelburg in die dam in kom so ons gaan seker een van die dae hoor hulle gaan die karps daar ook begin net.
Daar gaan 'n tyd kom wanneer mense in SA verantwoordelik gehou gaan word vir die wandade en bedrog wat hulle pleeg en nee, mediese kondisies gaan hulle nie help nie.Ek se weer, dit is ONWETTIG om varswater bronne vir gewin aan te wend en die bronne behoort aan die publiek - nie die parras wat persoonlike voordeel wil trek daaruit nie !
Geniet dit maar solank as wat julle kan, onthou hierdie as julle in die tronk sit en beskuit dan of dit die moeite werd was.
Ek stem saam met almal, die dam word besoedel, maar ek glo ook dat die karp, baber en kanarie kurper ook 'n rol speel, al is dit 'n klein rol,
Onthou jare gelede het elke hengelaar wat dam toe gegaan het karpe verwyder om of vir die huishulp of tuinman te gee of om te verkoop, mense het met die vis gemors, maar tog as mens kyk na gemiddele grote van vis wat gevang was, was dit ook groter gewees, en mens het blerrie baie gevang, ek weet van mense wat bakkie vragte vis weg gery het om te gaan verkoop, keepnets vol was huis toe gevat en mense het net gaan brag met die vangste en dan was dit asblik toe, dink baie van ons pa's en oupas kan getuig daarvan.
Almal van ons catch en release deesdae, en as ons iemand sien wat vis huis toe vat dan raak ons kwaad, ek in gesluit, die ander ding is dat karp geen natuurlike vyand het nie, so hulle bly net vermeerder en vermeerder.
Ek weet van baie mense wat se die vangste word beter by harties en dat die gemiddele visse groter word, vat bloemhof, ek dink daar net hulle 40plus ton elke maand of week, en mens kom dit agter aan die grote vis wat gevang word en mens vang eintlik meer vis.
So yes hulle moet ook aandag gee aan die besoedeling maar al is dit hoe hartseer, en "wreed" glo ek dit sal op die einde beter wees vir die dam en beslis vir ons as hengelaars
Onthou jare gelede het elke hengelaar wat dam toe gegaan het karpe verwyder om of vir die huishulp of tuinman te gee of om te verkoop, mense het met die vis gemors, maar tog as mens kyk na gemiddele grote van vis wat gevang was, was dit ook groter gewees, en mens het blerrie baie gevang, ek weet van mense wat bakkie vragte vis weg gery het om te gaan verkoop, keepnets vol was huis toe gevat en mense het net gaan brag met die vangste en dan was dit asblik toe, dink baie van ons pa's en oupas kan getuig daarvan.
Almal van ons catch en release deesdae, en as ons iemand sien wat vis huis toe vat dan raak ons kwaad, ek in gesluit, die ander ding is dat karp geen natuurlike vyand het nie, so hulle bly net vermeerder en vermeerder.
Ek weet van baie mense wat se die vangste word beter by harties en dat die gemiddele visse groter word, vat bloemhof, ek dink daar net hulle 40plus ton elke maand of week, en mens kom dit agter aan die grote vis wat gevang word en mens vang eintlik meer vis.
So yes hulle moet ook aandag gee aan die besoedeling maar al is dit hoe hartseer, en "wreed" glo ek dit sal op die einde beter wees vir die dam en beslis vir ons as hengelaars
Ek dink nie jy kan sê Karp het nie natuurlikke vyande nie. Ek het al gesien hoe babers baljaar onder die karp eiers as hulle spawn,'n baber van 15kg sluk 'n 2kg karp maklik vir brekvis. Karp is al so lank in ons land dat ek dink hy verdien inheemse status. Hierdie hele nettery bedryf word onder 'n dekmantel gedoen, hulle kan op ander maniere daai dam regruk en die beste begin sal wees om te begin met die bekamping van besoedeling.
Ouens, net van uit 'n praktiese logiese oogpunt.Ek stem saam met almal, die dam word besoedel, maar ek glo ook dat die karp, baber en kanarie kurper ook 'n rol speel, al is dit 'n klein rol,
Gaan staan langs die dam en kyk waar karp voer en die hoeveelheid slik wat opgeskommel word. Jy kan dit amper nie eers sien nie al kyk jy waar karp voer.
Doen nou dieselfde as die wind waai dan sal jy besef wat se massas slik dan opgeskommel word deur die turbulensies van die wind.
Wat van as water agv reen in die dam inloop - dan word AL die grondslik verplaas en opgeroer in massiewe groot massas.
Dit is onmoonltik dat die karp in Harties die' besoedeling kan veroorsaak eenvoudig omdat die OORSAAK van die probleem nie aangespreek word nie.
Karp kom baie jare in die water voor - waarom sal hulle NOU SKIELIK die oorsaak wees ? Snert man. As dit die vis was sou AL die damme so lyk. Waarom net harties.
Dit help nie julle trim die blaartjies van die bossie se rant so bietjie nie, die ding moet by die wortel uitgehaal en vernietig word.
AS dit die vis is, gooi gif in die water dan is ons baie gou van die probleem ontslae en die dam kan mos gou gou reg geruk word.... ses maande en al die dooie vis is verwyder - of is dit nou nie eintlik wat die vis netters in gedagte gehad het nie ? Is die idee dan nie juis dat hulle die voordeel van die onwettig vis nettery wil behou nie ?
This has become a very emotive issue and the only way to sort it out will be via public disemination of the alledged scientific research that 'proves' that the carp are responsible for the situation at Harties.
There are however, some aspects that can be discussed without needing those documents.
1. The rivers that feed those dams are nothing short of full blown sewage lines. The amount of untreated raw sewage and other biologigal waste that runs unfettered into the dam should be the first and major concern. Some years back - around 2003 - I took a sample of that water and sent it down to FIRI (Fisheries industry research institute) in Cape town for analysis. The results were scary - the amount of Cloliforms, in particular e.Coli were off the charts. It is also the proteins and othe biologicals that flow into the dam that feed the algae. I no longer have those results, but I would bet that any sample taken today and sent down would result in the same or even higher concentrations.
The gentleman who stated that the carp are responsible for stiring up the algae has not got it quite right. The algae naturally, like all living chlorophyl containing plants require light. During the hours of darkness the algae sinks to the bottom and with the advent of daylight rises to the surface. Spend one night fishing on the dam and you will see this process graphically illustrated - you will also be quite amazed at just how clear the water is at night, it is a lot clearer than some of the other well known fishing venues like the Vaal for instance, it is just that the vast majority of people use the venue during daylight hours and all they see is the algae on the surface.
2. One member pointed out that carp have been in that piece of water since forever, along with just about every other major impoundment in the country. None of the other waters have the problems facing Harties, and that should be the most obvious warning bell to any one who is interested. One just needs to take a close look at the geography of the dam and the rivers that feed it. The run off from the stormwater systems in the northern suburbs along with not up to standard sewage disposal protocols in the informal settlements along the course of the Jukskei river, dump critically high amounts of heavy metals, biologicals and raw sewage into the rivers. The catchment for all these substances is the dam.
3. Another member pointed out that the fish populations in the vaal dam were not out of control as they are alledgedly in Haarties. Through the 30's, 40's 50's, 60's and 70's Haarties was largely a farming community, and the rights to fish alongside the waters were held by the various landowners who generously made the waters accessible to untold numbers of anglers over the years - albeit at a price, but hey, we live in a capatalistic country. Haarties was always a good venue for carp and Blue kurper - they had different feeding habits and thus did not compete. For those with a longer memory, there were regular 'die off's' of kurper which are particularly sensitive to heat and oxygen levels, it was sort of like a natural population control mechanism, as the following year the numbers would be back up and everything seemed to have its place.
Through all this the carp were always there, and they were the prime target of just about everyone who went fishing at that dam. The dam was also a very popular water sports venue, although it was a known Bilharzia carrying water. Kids and adults alike would spend hours in the water - I wonder how many do so today - and there are people out there who blame it on the carp? Eish.
4. Haarties is just the tip of the iceberg, but it's location so close to the two major centers of Johannesburg and Pretoria bring it into the spotlight. Invasive species in our waters has been a thorny problem for decades. However, there are certain species that have been introduced that really are a serious danger to the ecology, far more dangerous than the carp - and yet there has been very little outcry from segments of the angling fraternity about these. I refer of course to trout and in particular bass. Bass are major predators and have a far greater impact on the juvenile spat of endemic species than carp ever will, yet there is no public outcry to have the bass removed - the greatest irony being that the bass anglers all tout themselves as being great conservationists by publicy, and strongly so, advocating catch and release of this fish.
Then there was the introduction of grass carp to our waters. Back in the 70's I had heard of these fish, apparently one could see them in Germiston lake. Now they have spread widely - at the last Vaal bonanza I saw so many grass carp leaping from the water as we drove past it was scarcely believable. Then of course there was the absolute nutter who took it upon himself to release Chinese silver carp into some waters in the Mpumalanga area - that skeleton will very soon come back to haunt us all.
But beyond all this is a question that needs to be answered. One of the boats involved in the netting of the carp at Harties appears to be registered to the department of water affairs, viz. DWA 102R. If this is the case then it would appear on the surface that this harvesting is taking place with government approval.
There is an awful lot of fish being harvested from that water and one has to wonder where it is all going to. If it is being processed for human consumption one would expect that those who are doing the processing are A: complying with the national HACCP standard and B: knowing first hand how poluted that water is, would have had the product screened and tested by a reputable laboratory like FIRI, to check for pathogens and other potentially nasty residues in the fish - remember, these are BIG fish, therefore they are OLD fish and thus have had more than enough time to assimilate all sorts of heavy metals and other substances into their systems - much like how some of the big marlin have high concentrations of Mercury in their flesh.
Ignoring this could very well lead to a host of health issues for those who might be consuming these fish.
Then of course, it would be interesting to know where, if these fish are being sold, the money generated is going to. If official boats are being used to harvest the fish then one could justifiably expect that the income from these sales would then be ploughed back into the effort to clean up Harties.....
The reality is of course that short of dosing the entire dam with Rotenone and killing off every species of fish there is, there is simply no feasible way of removing all the alien species from that dam, or any other in the country for that matter.
Like the millions of illegal immigrants that have crossed our national borders and have made this country their home, carp will be in our waters long after we who follow this forum have become a distant memory.
There are however, some aspects that can be discussed without needing those documents.
1. The rivers that feed those dams are nothing short of full blown sewage lines. The amount of untreated raw sewage and other biologigal waste that runs unfettered into the dam should be the first and major concern. Some years back - around 2003 - I took a sample of that water and sent it down to FIRI (Fisheries industry research institute) in Cape town for analysis. The results were scary - the amount of Cloliforms, in particular e.Coli were off the charts. It is also the proteins and othe biologicals that flow into the dam that feed the algae. I no longer have those results, but I would bet that any sample taken today and sent down would result in the same or even higher concentrations.
The gentleman who stated that the carp are responsible for stiring up the algae has not got it quite right. The algae naturally, like all living chlorophyl containing plants require light. During the hours of darkness the algae sinks to the bottom and with the advent of daylight rises to the surface. Spend one night fishing on the dam and you will see this process graphically illustrated - you will also be quite amazed at just how clear the water is at night, it is a lot clearer than some of the other well known fishing venues like the Vaal for instance, it is just that the vast majority of people use the venue during daylight hours and all they see is the algae on the surface.
2. One member pointed out that carp have been in that piece of water since forever, along with just about every other major impoundment in the country. None of the other waters have the problems facing Harties, and that should be the most obvious warning bell to any one who is interested. One just needs to take a close look at the geography of the dam and the rivers that feed it. The run off from the stormwater systems in the northern suburbs along with not up to standard sewage disposal protocols in the informal settlements along the course of the Jukskei river, dump critically high amounts of heavy metals, biologicals and raw sewage into the rivers. The catchment for all these substances is the dam.
3. Another member pointed out that the fish populations in the vaal dam were not out of control as they are alledgedly in Haarties. Through the 30's, 40's 50's, 60's and 70's Haarties was largely a farming community, and the rights to fish alongside the waters were held by the various landowners who generously made the waters accessible to untold numbers of anglers over the years - albeit at a price, but hey, we live in a capatalistic country. Haarties was always a good venue for carp and Blue kurper - they had different feeding habits and thus did not compete. For those with a longer memory, there were regular 'die off's' of kurper which are particularly sensitive to heat and oxygen levels, it was sort of like a natural population control mechanism, as the following year the numbers would be back up and everything seemed to have its place.
Through all this the carp were always there, and they were the prime target of just about everyone who went fishing at that dam. The dam was also a very popular water sports venue, although it was a known Bilharzia carrying water. Kids and adults alike would spend hours in the water - I wonder how many do so today - and there are people out there who blame it on the carp? Eish.
4. Haarties is just the tip of the iceberg, but it's location so close to the two major centers of Johannesburg and Pretoria bring it into the spotlight. Invasive species in our waters has been a thorny problem for decades. However, there are certain species that have been introduced that really are a serious danger to the ecology, far more dangerous than the carp - and yet there has been very little outcry from segments of the angling fraternity about these. I refer of course to trout and in particular bass. Bass are major predators and have a far greater impact on the juvenile spat of endemic species than carp ever will, yet there is no public outcry to have the bass removed - the greatest irony being that the bass anglers all tout themselves as being great conservationists by publicy, and strongly so, advocating catch and release of this fish.
Then there was the introduction of grass carp to our waters. Back in the 70's I had heard of these fish, apparently one could see them in Germiston lake. Now they have spread widely - at the last Vaal bonanza I saw so many grass carp leaping from the water as we drove past it was scarcely believable. Then of course there was the absolute nutter who took it upon himself to release Chinese silver carp into some waters in the Mpumalanga area - that skeleton will very soon come back to haunt us all.
But beyond all this is a question that needs to be answered. One of the boats involved in the netting of the carp at Harties appears to be registered to the department of water affairs, viz. DWA 102R. If this is the case then it would appear on the surface that this harvesting is taking place with government approval.
There is an awful lot of fish being harvested from that water and one has to wonder where it is all going to. If it is being processed for human consumption one would expect that those who are doing the processing are A: complying with the national HACCP standard and B: knowing first hand how poluted that water is, would have had the product screened and tested by a reputable laboratory like FIRI, to check for pathogens and other potentially nasty residues in the fish - remember, these are BIG fish, therefore they are OLD fish and thus have had more than enough time to assimilate all sorts of heavy metals and other substances into their systems - much like how some of the big marlin have high concentrations of Mercury in their flesh.
Ignoring this could very well lead to a host of health issues for those who might be consuming these fish.
Then of course, it would be interesting to know where, if these fish are being sold, the money generated is going to. If official boats are being used to harvest the fish then one could justifiably expect that the income from these sales would then be ploughed back into the effort to clean up Harties.....
The reality is of course that short of dosing the entire dam with Rotenone and killing off every species of fish there is, there is simply no feasible way of removing all the alien species from that dam, or any other in the country for that matter.
Like the millions of illegal immigrants that have crossed our national borders and have made this country their home, carp will be in our waters long after we who follow this forum have become a distant memory.
If the polution is put an end to the dam wil recover itself - one of the wonders of nature.
I think what frustrates me the most is that so many seeming intelligent people allow themselves to be lead by the nose.
This sounds exactly like the corrupt firearm law 60 of 2000 where there are too many illegal firearms around.
The solution - disarm the public who needs their firearms for protection.
The dam is continuously poluted.
The solution - get rid of the fish :-(
But then, BS baffles brains ne' !
I think what frustrates me the most is that so many seeming intelligent people allow themselves to be lead by the nose.
This sounds exactly like the corrupt firearm law 60 of 2000 where there are too many illegal firearms around.
The solution - disarm the public who needs their firearms for protection.
The dam is continuously poluted.
The solution - get rid of the fish :-(
But then, BS baffles brains ne' !
There is alot of problems at Harties including hyacinth.
I visited my dad there every school holiday, and every time I went there the water looked and smelled worse as the population there grew.
More and more people bought property and develop houses there and that means more sewarage. More people more waste and more crap.
There is your problem.
Not the fish, the more people and only one place for all their crap to go to.
I visited my dad there every school holiday, and every time I went there the water looked and smelled worse as the population there grew.
More and more people bought property and develop houses there and that means more sewarage. More people more waste and more crap.
There is your problem.
Not the fish, the more people and only one place for all their crap to go to.
The reason you seldom catch a carp above 12kg in harties is because there are simply to many fish in that dam that compete for food... We all know the root cause of the dams poor wwater quality is pollution, but for every root cause there are contributing factors... To much fish being 1 of them... I totally agree that bass must be taken out as well, but once bass has been introduced into a dam, you cant get it out, you can only limit their numbers, the same goes for carp.
Fishery Project at Hartbeespoort Dam off to a good start
Media release by the Department of Water Affairs and Forestry
21 January 2008
The Department of Water Affairs and Forestry’s Water Resource Manager at Hartbeespoort has expressed his excitement over the start up of the fishery project which is part of the Hartbeespoort Dam Remediation Programme, called Harties, Metsi a me - My water. According to Mr Petrus Venter the first harvesting of the undesirable fish started on Tuesday, 15 January 2008, and the task manager for the fishery project, Professor Gert Steyn, says he is satisfied with the progress made thus far.
Mr Venter says a crucial element of the programme is to restore the nutrient balance in the dam. The food web plays an important role in this and can only be achieved if the trophic status in Hartbeespoort Dam has been restored. At present the dam is dominated by the coarse species, namely Catfish, Carp and Canary Kurper.
Mr Venter explained that the sun, which is an important source of energy, stimulates the nutrients in the water and causes the algae and hyacinths to grow. As they die, some of them sink and the bottom feeders, namely the Catfish and the Carp, feed on the dead material in the sediment. The result of their actions stirs up the sediment which causes the cycle of nutrient enrichment to repeat itself.
“This shows that through the removal of the Catfish and Carp the food web can be restoredâ€, he said.
The fishery is a commercial entity that will harvest the dam of the undesirable species by utilising various techniques. Harvesting activity on the water will generally be taking place in the evenings. The nets and lines will be left in the water overnight and extracted in the early mornings on a daily basis. This will restore the desired trophic fish structure and contribute towards establishing an integrated aquaculture hub in the province. The removed fish will be sold as a high source of protein. This project will rely heavily on research and monitoring to ensure that the desired effect is obtained. Mr Venter said “the fishery’s task will create significant job opportunities, especially for unemployed local residents which is an important part of this project.â€
The remediation programme has been making steady progress. The rainy weather lately has contributed towards there being fewer visible algae on the dam as the sun, which draws the algae to the top of the water’s surface was mostly absent. In the meantime however the controlling and removal of algae are continuing and much success has been achieved by the placement of the first boom on the dam close to the dam wall. The project is now ready to install the next two booms. These will be placed at the railway bridge at Oberon and at the bridge at Lakeland.
The public using the dam for recreation activities are requested to be on the look out for activities and specially coloured markers on the surface related to the remediation programme and are requested to avoid such areas.
For more information and to arrange media interviews contact Rachelle Seymore at Zitholele Consulting at tel 011 254 4804, or e-mail her at RachelleS@zitholele.co.za
Media release by the Department of Water Affairs and Forestry
21 January 2008
The Department of Water Affairs and Forestry’s Water Resource Manager at Hartbeespoort has expressed his excitement over the start up of the fishery project which is part of the Hartbeespoort Dam Remediation Programme, called Harties, Metsi a me - My water. According to Mr Petrus Venter the first harvesting of the undesirable fish started on Tuesday, 15 January 2008, and the task manager for the fishery project, Professor Gert Steyn, says he is satisfied with the progress made thus far.
Mr Venter says a crucial element of the programme is to restore the nutrient balance in the dam. The food web plays an important role in this and can only be achieved if the trophic status in Hartbeespoort Dam has been restored. At present the dam is dominated by the coarse species, namely Catfish, Carp and Canary Kurper.
Mr Venter explained that the sun, which is an important source of energy, stimulates the nutrients in the water and causes the algae and hyacinths to grow. As they die, some of them sink and the bottom feeders, namely the Catfish and the Carp, feed on the dead material in the sediment. The result of their actions stirs up the sediment which causes the cycle of nutrient enrichment to repeat itself.
“This shows that through the removal of the Catfish and Carp the food web can be restoredâ€, he said.
The fishery is a commercial entity that will harvest the dam of the undesirable species by utilising various techniques. Harvesting activity on the water will generally be taking place in the evenings. The nets and lines will be left in the water overnight and extracted in the early mornings on a daily basis. This will restore the desired trophic fish structure and contribute towards establishing an integrated aquaculture hub in the province. The removed fish will be sold as a high source of protein. This project will rely heavily on research and monitoring to ensure that the desired effect is obtained. Mr Venter said “the fishery’s task will create significant job opportunities, especially for unemployed local residents which is an important part of this project.â€
The remediation programme has been making steady progress. The rainy weather lately has contributed towards there being fewer visible algae on the dam as the sun, which draws the algae to the top of the water’s surface was mostly absent. In the meantime however the controlling and removal of algae are continuing and much success has been achieved by the placement of the first boom on the dam close to the dam wall. The project is now ready to install the next two booms. These will be placed at the railway bridge at Oberon and at the bridge at Lakeland.
The public using the dam for recreation activities are requested to be on the look out for activities and specially coloured markers on the surface related to the remediation programme and are requested to avoid such areas.
For more information and to arrange media interviews contact Rachelle Seymore at Zitholele Consulting at tel 011 254 4804, or e-mail her at RachelleS@zitholele.co.za
Well that puts some perspective onto the matter, but I would dearly like to see the papers that would have to have been presented that quantified the satement that coarse fish like carp and barbel are the problem. I can to a degree understand the standpoint on carp being an alien fish - but Clarius Gariepinus or African sharptoothed catfish is endemic to those waters and as such would play a vital ecological role as the apex predator.
Nah, I get the whiff of a deceased rodent here - the aspect of the commercial sale of the fish is very quietly downplayed with a short statement 'the fish will be sold as a high source of protein'. No mention of what where or more importantly who will benefit from these sales.
Nah, I get the whiff of a deceased rodent here - the aspect of the commercial sale of the fish is very quietly downplayed with a short statement 'the fish will be sold as a high source of protein'. No mention of what where or more importantly who will benefit from these sales.
Soos Fanie hier bo gesê het. Maak dan al die vis dood en restock hom met al die inheemse spesies daarna. Dit sal baie vinniger die probleem oplos, maar dit skep ander probleme, niemand gaan geld maak daaruit nie. Is daar nie iewers waar so projek se studies en resultate sowel as finansies beskikbaar moet wees nie? Ek dink dit sal baie interresant wees om te sien en ek glo ek sal met ander oe na die projek kyk as hulle my kan bewys dat die dam verbeter het oor die 4 jaar en in watter mate. Ek sal ook graag wil weet wie eet die vis wat as 'n hoe proteine verkoop is en of dit enigsins eetbaar/geskik is vir gebruik. Ek het baie vrae, miskien kan iemand van waterwese ons hier kom antwoord en feite gee, of het dit niks met ons uit te waai nie en moet ons maar net 'n blinde oog draai daarop?
Reel fun, your logic that bass have more impact than carp is flawed. Carp do to well in our climate, and can take water quality that is poor. They simply out compete everything and take over. These fish are a massive problem overseas, and in the US the Asian silver carp is taking over the Mississippi river system (and they feed on plankton!). Bass on the other hand thrive in few of our waterways, and are less successful in our waters than many would believe.
The reasoning behind the reduction in the overpopulation of carp in harties is to give the water plants a chance to re establish in the dam. This is the only way the dam will be able to process all of the nutrients flowing into the dam. The over population of carp simply eat the new shoots each year which is why there has been such a lack of aquatic plants in the dam. The spraying of the hyacinth also did not help, and they have stopped spraying them. The dreaded algal blooms were the end result, as the nutrients were going to be used by something.
I have seen the improvement in water quality already this year, the massive weed beds that are starting to grow at places like De Rust are already having an impact on the water quality. I haven't been there in the last month, but in early Nov the blooms had still not started unlike the previous year when they where already in full swing by early Sept. It looks like it's working, and it will be interesting to see what the dam looks like as summer progresses.
When I first heard of the plans to improve Harties, I thought it was folly, but I have to admit it seems to be working.
The reasoning behind the reduction in the overpopulation of carp in harties is to give the water plants a chance to re establish in the dam. This is the only way the dam will be able to process all of the nutrients flowing into the dam. The over population of carp simply eat the new shoots each year which is why there has been such a lack of aquatic plants in the dam. The spraying of the hyacinth also did not help, and they have stopped spraying them. The dreaded algal blooms were the end result, as the nutrients were going to be used by something.
I have seen the improvement in water quality already this year, the massive weed beds that are starting to grow at places like De Rust are already having an impact on the water quality. I haven't been there in the last month, but in early Nov the blooms had still not started unlike the previous year when they where already in full swing by early Sept. It looks like it's working, and it will be interesting to see what the dam looks like as summer progresses.
When I first heard of the plans to improve Harties, I thought it was folly, but I have to admit it seems to be working.
Dit het alles met ons uit te waai en as jy dit ignoreer dan onse jy jou regte en ander ontneem jou van jou regte.of het dit niks met ons uit te waai nie en moet ons maar net 'n blinde oog draai daarop?
Gaan lees gerus die grondwet en leer iets. Een van ons REGTE (nie 'n vergunning nie) is die Reg op Vryheid wat beteken jy kan enige plek beweeg binne die land se grense solank jy nie ander se privaat eiendom (reg op privaatheid) betree nie.
Ek se weer, die land se bronne behoort aan die publiek. Geen persoon het die reg om dele daarvan in beslag te neem en dit te verkoop aan ander as privaat eiendom nie, dit sluit privaat damme uit.
Die bronne in die land behoort aan die publiek en die publiek kom die voordele van hierdie bronne toe omdat elkeen van ons ons deeltjie betaal om die voordeel daarvan te geniet. Die regering, wat staatsamptenare in diens van die publiek is, is veronderstel om hierdie bronne te bestuur en te ontwikkel in die publiek se belang - nie in hulle eie belange en persoonlike gewin nie.
Die stortings is nie die publiek se probleem nie - die skuldiges wat die voordeel van hulle besigheid geniet moet verantwoordelikheid aanvaar vir hulle doen en late en op hulle eie onkostes die chemikalie laat skadeloos stel. Indien hulle dit nie wil doen nie kan hulle maar toegemaak word omdat dit dan in die breer publiek en in die land se belang is.
Die riool wat gestort word is die munispaliteit en die ontwikkelaars en beplanners se probleem. Moenie vir my se hulle het nie vir riool beplan nie - geen dorp of gemeenskap word opgesit sonder dit nie. Die inwoners betaal daarvoor so die diens beter gelewer word.
Al wat gedoen moet word is die besoedeling moet stopgesit word. Die vis het vet mooi nokkol daarmee uit te waai nie. Ek weet nie watter deel hiervan verstaan mense nie.
Vra gerus vir Professor Gert Steyn hy moet bietjie sy lys van vis spesies en hoeveelhede van elk voorsien wat hy aangebied het. Hy het, as ek reg onthou, aansoek gedoen vir 'n lisensie en fondse om 'n kommersieele vissery op Harties op te sit. Wat dit behels sou blykbaar wees om groepe agtergeblewe mense om die dam te vestig wat dan met nette die vis oes. Of het julle vergeet daarvan.
Hierdie storie gaan nie net vir 4 jaar aan nie - dis al baie meer jare wat dit aan die gang is. Vra gerus vir die kusaas klubs hoeveel jare dit nie alreeds aan die gang is nie. Dit is miskien nou eers dat dit openlik gedoen word omdat die korrupte amptenare dit 'wettig' gemaak het. Dit bly steeds onwettig omdat dit ten koste van die bron en die mense gedoen word omdat die probleem gerieflik nie opgelos word nie. Min mense sien dit omdat min mense na die gat vrot water toe wil gaan en die wat voordeel daaruit trek gaan sorg dat die gat vrot bly om jou daar weg te hou.
Een van die redes waarom karp in die meerderheid in Harties is is omdat dit 'n geharde vis is wat redelik baie onnatuurlike blootstelling kan oorleef - wat ander vis nie kan doen nie. Daar is waarskynlik karp in harties vir meer as 50 jaar - en dit was nooit 'n probleem nie.
Die probleem het begin toe ontwikkelaars die broeistruktuur om die dam vernietig het en die besoedeling sulke afmetings aangeneem het dat meeste vis nie daar kan oorleef nie.
Waarom is NET Harties in hierdie swak kondisie en nie al die ander damme waar daar karp in voorkom nie ?
Die probleem het begin toe ontwikkelaars die broeistruktuur om die dam vernietig het en die besoedeling sulke afmetings aangeneem het dat meeste vis nie daar kan oorleef nie.
Waarom is NET Harties in hierdie swak kondisie en nie al die ander damme waar daar karp in voorkom nie ?