Originally Posted by
NeilRowe
Howzit Daryll
Looking forward to reading the article.
I'm not up to speed on this issue, except from chirps here and there on FT.
A couple of questions:
1.I thought the targeted river in the Cedarberg was the Krom? Is that still on the agenda?
2. Any news on the Dorps or any other potential targets?
Neil, not sure why the Krom wasn't targeted first. Suspect it may have been due to some threatened macroinvertebrates in the upper section. Read the full article regarding other rivers.
Originally Posted by
dizzy
This may be a bit of a silly question, but how can you poison only a section of river?
Does the poison not flow with the water downstream?
What effect does this have, and how does CN know that they have applied the correct amount of poison only to cover that amount of water?
I can understand the poison no moving upstream, but this is afterall a river....
Dizzy, they supposedly neutralise the rotenone using potassium permaganate. This however can have its own issues if you read the literature on it.
Originally Posted by
Garage
I'll also have to read the article in order to get more facts, but what is the sense in poisoning the river before the barrier to the dam is in place?!
Agreed, one of the reasons I wrote the article in the first place.
Originally Posted by
Umhlangarox
Dont quote me on this cause i might be completely wrong but from what i understand, Rotenone is all based on concentration. So they would have a certain concentration depending on the river/stretch/size etc that they will be retenoning. So its extremely important to have exactly the right concentration and in some cases this can be very tricky. . .
Once the concentration becomes to weak it will have no affect, so theoretically the rotenone should only effect the section of river they have targeted!
See my response to Dizzy
“Apparently people don't like the truth, but I do like it; I like it because it upsets a lot of people. If you show them enough times that their arguments are bullshit, then maybe just once, one of them will say, 'Oh! Wait a minute - I was wrong.' I live for that happening. Rare, I assure you” ― Lemmy Kilmister
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Paradise = A 3wt Rod & a fist full of someone else's #32 parachutes
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