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#31
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Knotweed running under drive/patio
On 19/08/2014 16:31, Nick Maclaren wrote:
Since you claim that you know of such locations, would you care to inform us of exactly where? There are large areas of it in the woods around where I used to live, in Bracknell. "Rhoddy bashing" is a common volunteer task. That's about 100 miles from any west coast. Andy |
#32
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Knotweed running under drive/patio
In article ,
Vir Campestris wrote: Since you claim that you know of such locations, would you care to inform us of exactly where? There are large areas of it in the woods around where I used to live, in Bracknell. "Rhoddy bashing" is a common volunteer task. That's about 100 miles from any west coast. Yes, but how harmful is it, really, in that location? The Rhoddy bashing could be because people claim that it is harmful, rather than because it actually is. The point is that we have many species that establish local dominance, but that is not an ecological problem. What is the problem is when they start eliminating whole ecological niches. Examples include brambles, bracken, gorse, sycamore, and a lot more. Indeed, I remember when bracken was being demonised in the same way that R. ponticum is today. Regards, Nick Maclaren. |
#33
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Knotweed running under drive/patio
In article ,
Malcolm wrote: Perhaps if you kept your eyes open, you would notice the difference. Many people claim that it is always a major problem where it occurs, and that is very clearly not the case. It is very clearly the case in my experience. That indicates how limited your experience is. I somehow doubt that given that I have been an active field biologist working on birds all over (and I mean, all over) the country, whereas you, or so I was told, were a paper pushing clerk in a computer centre, but never mind, it is impossible to prove. I like it! Your delusions are impressive. A statistical analysis of my observations is that it is definitely rarely a major problem in the areas away from the west coast in the areas I have seen it, and may never be. A "statistical analysis"???? Of whose data and by whom? Of the data I have observed, and by me. As you could check, I am a statistician, albeit rusty. Since you claim that you know of such locations, would you care to inform us of exactly where? Come to Scotland. I do regularly, and I have observed the converse of your claims. I also note that, as usual, you are not prepared to be corrected or to ever admit you are wrong but instead concoct pseudo-arguments to support your original false claim that Japanese knotweed was the "ONLY" (your emphasis) "vascular land plant that has made itself an ecological or otherwise serious nuisance over the majority of the country.", which is patently not true. What is it about the meaning of the word "majority" that you do not understand? Regards, Nick Maclaren. |
#34
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Knotweed running under drive/patio
In article ,
Malcolm wrote: I somehow doubt that given that I have been an active field biologist working on birds all over (and I mean, all over) the country, whereas you, or so I was told, were a paper pushing clerk in a computer centre, but never mind, it is impossible to prove. I like it! Your delusions are impressive. I was informed of this by a colleague of yours when you used to post here using a university e-mail address and signing yourself "Nick Maclaren, University of Cambridge Computer Laboratory" That was shortly before you were told that contributing to a gardening newsgroup wasn't really part of your employment! Really? Your delusions are REALLY impressive! I used to attach my contact information for all postings, true, but even you should notice that I am still posting using my university account, as I have done for some three decades - previous to that, I used a departmental one. Unlike some people, I feel no need to hide any aspect of my public life. And I have never been told what you said I was, neither in so many words nor anything that could be construed as such. Making such contributions always has been an accepted academic liberty (perhaps even a right) and not a responsibility. But thank you for clarifying a matter of some while back. Regards, Nick Maclaren. |
#35
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Knotweed running under drive/patio
On 20/08/14 13:57, Malcolm wrote:
Well, I know which I would rather have in terms of diversity. Willow, blackthorn, gorse and brambles offer a great deal more diversity for food, nests, shelter, etc., to birds, butterflies, bees, small mammals, etc., than "a mass of R. ponticum"? And the kids who might have played there are now nicking bits off your car. There's plenty of diversity overall for the wildlife - one hilltop won;t kill them. |
#36
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Knotweed running under drive/patio
In article ,
Tim Watts wrote: On 20/08/14 13:57, Malcolm wrote: Well, I know which I would rather have in terms of diversity. Willow, blackthorn, gorse and brambles offer a great deal more diversity for food, nests, shelter, etc., to birds, butterflies, bees, small mammals, etc., than "a mass of R. ponticum"? And the kids who might have played there are now nicking bits off your car. There's plenty of diversity overall for the wildlife - one hilltop won;t kill them. R. ponticum has been a native plant in the past, and there are lots of other plants that establish uniform stands but are not demonised for doing so. The issue is whether something will eliminate whole ecologies, over most of their range, and not whether an individual area will turn into a uniform stand. There is little doubt that R. ponticum will do that to SOME of the ecologies in SOME parts of the UK, but its fanatical opponents claim that it will do it far more widely than is justified by the evidence. It needs a fairly high rainfall and a neutral to acid soil, which is why it is a serious problem in the west and a negligible one in most of the limestone and chalk areas and east. Also, most people forget just how new, man-made and mutable Great Britain's ecological landscape is - the establishment of a new one is neither unusual nor harmful in itself. To repeat (as I will be misrepresented, anyway), there is strong evidence that it is a danger to other ecologies in the west, and to isolated examples in some other places. I have many times asked R. ponticum haters to point me in the direction of hard evidence for its harmfulness away from the west, and the invariable response has been references to their own polemic and unsupported claims that mere occurrence is harmful (i.e. pure prejudice). Regards, Nick Maclaren. |
#37
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Knotweed running under drive/patio
On 20/08/14 19:39, Malcolm wrote:
In article , Tim Watts writes On 20/08/14 13:57, Malcolm wrote: Well, I know which I would rather have in terms of diversity. Willow, blackthorn, gorse and brambles offer a great deal more diversity for food, nests, shelter, etc., to birds, butterflies, bees, small mammals, etc., than "a mass of R. ponticum"? And the kids who might have played there are now nicking bits off your car. Well, maybe where you live, but not here. And do you really think that today's kids would rather be out playing in a rhododendron thicket than on their electronic devices? There's plenty of diversity overall for the wildlife - one hilltop won;t kill them. A strange attitude, if I may say so. And one that I wouldn't like to see adopted widely. Not really - I was taking the stance that the human kids are also part of the ecology. If the hilltop as was was interesting to them, then it serves a good purpose. As to the plating on their devices, well without the hilltop, they have one less reason not to. I'm all for responsible stewardship of the planet - but that includes it benefiting humans. |
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