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#1
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elevation
I just wanted to enquire in here about insects, weeds and elevation...
About 7 years ago we used to live at the top of the hill from where I live now, we'd lived there for 30 years and in all that time I never saw one snail, in fact I thought we lived in a part of the country where they hadn't yet conquered, yet down here there are millions of the buggers - I only live 400 yards away from where I used to live! The hill is about 40 feet in total height...we only ever had tiny black or pale brown slugs, yet down here they are up to four inches long and an inch thick, either bright orange or black...the soil down here is very sandy underneath, up there it was a heavy clay type soil...is elevation to blame for this or is it the soil type? - I'd have thought that with the extra drainage down here they would be *less* suited than up there where rainwater seemed to take days to get through the clay...also down here, there are a hell of a lot more weeds, dandelions and horsetails being predominant along with nettles, hardly any of these shown their faces much when living higher up, we seemed to have more of those round leaved things (I've no idea what they're called but they get a longish yellow seed stalk from the middle), also we had buttercups and thistles aplenty but down here they don't seem to get established(I'm not complaining!)... |
#2
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Phil L wrote:
(I've no idea what they're called but they get :: a longish yellow seed stalk from the middle), Greater Plantain (Plantago major) http://www.stri.co.uk/133.asp?SID=&CSID=6 |
#3
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In article , Phil L
writes I just wanted to enquire in here about insects, weeds and elevation... About 7 years ago we used to live at the top of the hill from where I live now, we'd lived there for 30 years and in all that time I never saw one snail, in fact I thought we lived in a part of the country where they hadn't yet conquered, yet down here there are millions of the buggers - I only live 400 yards away from where I used to live! The hill is about 40 feet in total height...we only ever had tiny black or pale brown slugs, yet down here they are up to four inches long and an inch thick, either bright orange or black...the soil down here is very sandy underneath, up there it was a heavy clay type soil...is elevation to blame for this or is it the soil type? - I'd have thought that with the extra drainage down here they would be *less* suited than up there where rainwater seemed to take days to get through the clay.. Up to 7 years ago I hadn't seen a snail in our garden. Now we find them by the handful. We haven't moved - it's still the same garden -- Kay "Do not insult the crocodile until you have crossed the river" |
#4
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"Kay" wrote in message ... In article , Phil L writes I just wanted to enquire in here about insects, weeds and elevation... About 7 years ago we used to live at the top of the hill from where I live now, we'd lived there for 30 years and in all that time I never saw one snail, in fact I thought we lived in a part of the country where they hadn't yet conquered, yet down here there are millions of the buggers - I only live 400 yards away from where I used to live! The hill is about 40 feet in total height...we only ever had tiny black or pale brown slugs, yet down here they are up to four inches long and an inch thick, either bright orange or black...the soil down here is very sandy underneath, up there it was a heavy clay type soil...is elevation to blame for this or is it the soil type? - I'd have thought that with the extra drainage down here they would be *less* suited than up there where rainwater seemed to take days to get through the clay.. Up to 7 years ago I hadn't seen a snail in our garden. Now we find them by the handful. We haven't moved - it's still the same garden Ditto. And this year they are much worse than ever before. Franz |
#5
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"Franz Heymann" wrote in message ...
"Kay" wrote in message ... In article , Phil L writes I just wanted to enquire in here about insects, weeds and elevation... About 7 years ago we used to live at the top of the hill from where I live now, we'd lived there for 30 years and in all that time I never saw one snail, in fact I thought we lived in a part of the country where they hadn't yet conquered, yet down here there are millions of the buggers - I only live 400 yards away from where I used to live! [...] Up to 7 years ago I hadn't seen a snail in our garden. Now we find them by the handful. We haven't moved - it's still the same garden Ditto. And this year they are much worse than ever before. What's the local thrush population like? People have been worrying about them for a while now. You'd normally expect predator population to rise in proportion to that of their prey unless some other factor were at work. Mike. |
#6
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"Mike Lyle" wrote in message om... "Franz Heymann" wrote in message ... "Kay" wrote in message ... In article , Phil L writes I just wanted to enquire in here about insects, weeds and elevation... About 7 years ago we used to live at the top of the hill from where I live now, we'd lived there for 30 years and in all that time I never saw one snail, in fact I thought we lived in a part of the country where they hadn't yet conquered, yet down here there are millions of the buggers - I only live 400 yards away from where I used to live! [...] Up to 7 years ago I hadn't seen a snail in our garden. Now we find them by the handful. We haven't moved - it's still the same garden Ditto. And this year they are much worse than ever before. What's the local thrush population like? There are at least 2 breeding pairs in the close vicinity, and they make much use of the garden. I don't think that is the root of the problem. The snail population has simply exploded. People have been worrying about them for a while now. You'd normally expect predator population to rise in proportion to that of their prey unless some other factor were at work. Franz |
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