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Wall Lizard distribution in the UK |
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Vicar
Senior Member Joined: 02 Sep 2004 Location: United Kingdom Status: Offline Points: 1184 |
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Posted: 04 Feb 2007 at 1:29pm |
Folks, I promised that over Xmas I'd pull together all of the Pm information and we'd try to start to formalise the process of monitoring the Wall lizard population in the UK.
Well, I'm about a month late, but have just put together the first web page. Its early days, so all feedback & correction is welcome. Page is at: http://www.surrey-arg.org.uk/ then click the 'Wall lizard' button on the right-hand pane. |
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Vicar
Senior Member Joined: 02 Sep 2004 Location: United Kingdom Status: Offline Points: 1184 |
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Does anybody have a copy of:
The
Wall Lizard in If so I'd be very grateful for a copy, as BW appears to have sold out. Email link below should work. Also, does anybody have any details regarding the unconfirmed Ludlow colony ? Cheers. Edited by Vicar |
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herpetologic2
Forum Coordinator Joined: 15 Jun 2004 Location: United Kingdom Status: Offline Points: 1511 |
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Hi Steve Yes I have a copy I will forward it to you - Also the wall lizard project is ace well done! I am looking for possible speakers for the HWM in 2008 - would you like to present the project's findings in Jan 2008? I would also like to suggest a 10 min slot for the RAUK forum - as this year we had a 10 min slot for the BHS and I think that this is an excellent way of introducing different groups/organisations which are working together. I would like to encourage ARG UK to promote the new project from RAUK
Regards
JC |
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Report your sightings to the Record Pool http://arguk.org/recording
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Davew
Senior Member Joined: 12 Jan 2004 Location: United Kingdom Status: Offline Points: 105 |
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Hi, Very interesting but could you clarify something for me. If Wall Lizard colonies are found to be spreading and if they are found to have a negative impact what exactly is meant by "assist with their management" |
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herpetologic2
Forum Coordinator Joined: 15 Jun 2004 Location: United Kingdom Status: Offline Points: 1511 |
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I would imagine the most sensible management would be to create habitat which favours our native species over the Wall Lizard - but I would say that would only be neccessary if it was proven that Wall Lizards were actually causing a decline in our native species So far there is no evidence to suggest such an impact occurs - even the Bournemouth Population where it widely known that people believe that wall lizards are out competing sand & viviparous lizards - it would easy to blame the Wall Lizard for the sand lizard decline as happens with other scapegoats for wildlife decline You could try and eradicate the wall lizards - but I would imagine that the sand lizards would continue to decline - as it has been reported that the sand lizards were declining before the wall lizards were introduced But this is why I think the wall lizard survey is important to gather some evidence to back up the anecdotal observations
Jon |
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Davew
Senior Member Joined: 12 Jan 2004 Location: United Kingdom Status: Offline Points: 105 |
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Thanks for the info, I'm always a little wary of these type of schemes after the sickening Ruddy Duck cull. I was concerned about the legalities of translocation of this species, ie can you release them elsewhere after capture? I am very interested in Wall Lizard and am very familiar with a Portland colony and the Boscombe one therefore I am concerned that "assist with their management" may have meant kill. Can anyone confirm that this will not be the case? Thanks in advance.
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herpetologic2
Forum Coordinator Joined: 15 Jun 2004 Location: United Kingdom Status: Offline Points: 1511 |
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Hi David I know this has been mentioned previously - I will have to find out who exactly - the habitat management may have briefly enabled breeding - and of course any reduction of habitat would increase numbers seen wouldn't it - detectability increased may not reflect the situation on the ground I would hope that killing walls would not be an option though I suspect some people may want this to happen Regards
Jon |
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Vicar
Senior Member Joined: 02 Sep 2004 Location: United Kingdom Status: Offline Points: 1184 |
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Right...The words 'assist with their management' were my
words and are NOT a euphemism for a cull. Edited by Vicar |
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herpetologic2
Forum Coordinator Joined: 15 Jun 2004 Location: United Kingdom Status: Offline Points: 1511 |
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The only area where this may occur would be the Bournemouth Cliffs - I would like to go there this year (possibly a second field trip?) though i am not convinced that they are actually the main cause of decline in the sand lizards - they may just be occupying an empty niche which the the sand lizard finds less optimal Dave it would be good to see your data on sightings etc perhaps with details on habitat structure/availability etc Regards Jon |
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Alex2
Senior Member Joined: 16 Dec 2006 Location: United Kingdom Status: Offline Points: 265 |
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Interesting debate, and will say that a couple of years ago in Boscombe I did witness a PM snatch an insect from right under the nose of a LA. It made me think there and then that perhaps LA were not agile enough to compete with the faster PM's when it came to catching food. From my observations of the Worth colony, the PM seem to occupy an area right next to LV but only overlap in territory over a small patch of ground (or at least it appears that way currently). Cheers, Alex. |
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