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NE Publish Reptile Mitigation Guidelines

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GemmaJF View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote GemmaJF Quote  Post ReplyReply Direct Link To This Post Posted: 11 Oct 2011 at 1:04pm
I think personally this forum is the ideal format for feedback.

I would worry that if I penned a 'formal' response that there would be no discussion.

Which is exactly the problem at the moment, it appears the document has taken one individuals opinion at times on an issue which has led to a document with obvious 'flaws'.

The flip side is I've already been able to quote the new guidelines in a positive sense. Would one believe that a consultancy recently undertook a presence/absence survey for slow worm using 'finger tip search' and plant machinery to dig up the ground to see if any were there?

Fortunately the guidelines support that this is not an acceptable methodology for presence/absence survey for slow worm, despite the developers wish to start works this November....

... but there is still a lot to be fixed before next season starts in my opinion regarding the effort tables etc. I would hate to think we are just talking to ourselves in this thread.

Which brings up a point that may have been lost, how many people here think the effort tables would be better if there was a 'maximum' effort allocated to certain months? So one simply couldn't undertaken an entire presence/absence survey in March or October for example?


Edited by GemmaJF - 11 Oct 2011 at 1:07pm
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sussexecology View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sussexecology Quote  Post ReplyReply Direct Link To This Post Posted: 11 Oct 2011 at 10:09pm
Originally posted by GemmaJF GemmaJF wrote:

I think personally this forum is the ideal format for feedback.

I would worry that if I penned a 'formal' response that there would be no discussion.

Which is exactly the problem at the moment, it appears the document has taken one individuals opinion at times on an issue which has led to a document with obvious 'flaws'.

The flip side is I've already been able to quote the new guidelines in a positive sense. Would one believe that a consultancy recently undertook a presence/absence survey for slow worm using 'finger tip search' and plant machinery to dig up the ground to see if any were there?

Fortunately the guidelines support that this is not an acceptable methodology for presence/absence survey for slow worm, despite the developers wish to start works this November....

... but there is still a lot to be fixed before next season starts in my opinion regarding the effort tables etc. I would hate to think we are just talking to ourselves in this thread.

Which brings up a point that may have been lost, how many people here think the effort tables would be better if there was a 'maximum' effort allocated to certain months? So one simply couldn't undertaken an entire presence/absence survey in March or October for example?


Sorry been away for a while....

yes I would agree that it would be easier for the calculation tables to have the maximum values, because I realised by accident earlier today, that I had made a mistake, and I can see that it is very easy to do.

Fortunately, it's not too much of a mistake, but my feeling is that if I hadn't checked it a second time, then it would have been missed - and that would be embarrassing if a planning authority picked up on it!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sussexecology Quote  Post ReplyReply Direct Link To This Post Posted: 11 Oct 2011 at 10:19pm
Originally posted by Matt Smith Matt Smith wrote:

Originally posted by MancD MancD wrote:

Originally posted by GemmaJF GemmaJF wrote:

there doesn't seem to have been any moves from NE such as putting DRAFT on the current document. I'm sure this thread is being read, I won't hold my breath for an official response though.

 

I'm not sure what sort of "response" you are expecting Gemma, you can't expect Natural England to be trawling internet forums for reaction to its publications especially given the current climate of resource pressures. I only visit here through my interest in herps rather than in any official capacity for my employer. As I mentioned earlier, if you provide feedback to NE, we are obliged to respond so if you have any comments you should send them direct to NE rather than waiting for them to be found.

 

NE will have a new Amphibian and Reptile Species Specialist shortly and I expect part of that role will be dealing with any feedback on the guidelines.


It does seem to me that there is quite a bit of feedback regarding the guidelines happening on this forum. If and when NE does have a new Reptile and Amphibian Specialist, I would certainly expect them to be looking at these forums from time to time.

Even if the feedback here is "unofficial", at the very least I would expect a post along the lines of "Hi - I'm the new NE Herp specialist - this discussion is interesting and I have taken note of the points raised. Please copy me in to any further discussion via an E-mail".

I don't expect NE to conduct a "defense" of the new guidelines in an open forum like this, but it is an excellent place to reach alot of people easily, and the discussion among ourselves here is pulling up new points and considerations as it develops. Sometimes, it is easier and quicker to discuss things here rather than having to sit and generate a more "formal" e-mail to NE along the lines of "Point 1 - No. of mats. Point 2 - Capture Effort tables". However, if NE only consider feedback to be that which is sent directly into the person concerned, then they need to say so, and also to come back to us. Feedback should not ne a one way thing, there are quite a few questions that have been raised here that we would like answers to. Even if it means someone reposts a copy of an "official NE E-mail" here then that is something.


Yes i would agree that this forum thread has been very interesting, and clarified some points eg capture effort. I would hope that Natural England are reading this thread so that our points raised can be altered and that the document will be made a draft.




Edited by sussexecology - 06 Apr 2012 at 10:10pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Matt Smith Quote  Post ReplyReply Direct Link To This Post Posted: 13 Oct 2011 at 3:32pm
Originally posted by GemmaJF GemmaJF wrote:

Which brings up a point that may have been lost, how many people here think the effort tables would be better if there was a 'maximum' effort allocated to certain months? So one simply couldn't undertaken an entire presence/absence survey in March or October for example?


Well, looking at the guidelines for the "lowest effort" animal (Slow-worm) for March or October the minumum standard effort = 25, survey effort weighting = 2 so no. of days survey effort = 25/2 = 13 days. For common lizard this rises to 30/2 = 15 days.   These have to be spread over 1 month, so it is just about feasable that a survey could be "fitted in" in either of these months if the weather were "ideal". The problem here is that the assessment of the survey may in fact fall to people such as planning officers who may not be experienced enough to look at the survey data and judge if weather conditions have been good enough on all survey days. Given that the "survey effort weightings" for March and Oct are so low, I think it would be sensible to state that a maximum of 50% of the survey visits can be made in these months - ie if you start in March then you need to carry out 50% of the visits in April etc. I still think we need a single "minimum standard effort" figure for all "widespread species".

Edited by Matt Smith - 13 Oct 2011 at 3:33pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Matt Smith Quote  Post ReplyReply Direct Link To This Post Posted: 13 Oct 2011 at 4:11pm
A few more things caught my attention whilest looking through the guidelines again:

1 - Presence / Absence surveys: I think I understand what NE are trying to say here when the document says "For each species possibly present, the survey may cease once the species has been detected". I am assuming these comments are aimed at instances where there is "negligeable" or "low" impact predicted, ie when we just need to know if a species is present. The problem here is twofold - No 1 is that the design of the survey relies on the surveyor deciding which species "may possibly be present", which risks "missing" other species (if we find slow-worms on Day 1 and stop, we risk missing the lizards or grass snakes that may be there). This also opens up the prospect of survey design "ignoring" some species deliberately. Secondly, with this way of doing things it is going to be very difficult to compare surveys if the design and implementation vary each time. Working this way may also not tell us that we indeed have an exceptional slow-worm population on site if we stop on Day 1 after we find 1 animal. I think it would be much better just to remove the whole "presence / absence survey" section and treat everything the same in terms of survey design and timings. If we are going to do a survey, lets set a minimum level of visits etc for a site to ensure we havea good idea of what is really there.

2 - Optimal and sub-optimal survey times.    Hidden away in the "worked example" text on Page 29 is the following sentence "Because the August-September surveys would happen during a month where the weighting is sub-optimal(less than 4), the survey should be spread across a period of around 60 days. If I understand this correctly, this means any for any survey where any of the the months score less than 4, then the minimum survey period = 60 days, not 30. If this is so, this needs to be stated up front in large letters, otherwise a lot of surveys could find themsleves not complying with the guidelines. I don't have a problem with the idea, but it needs to be made more obvious, I didn't pick up on this point until today.

3 - Survey effort. On Page 35 is the following :"In this case, as the capture programme cannot start until late June, which is in a suboptimal capture period for adders, the consultant adds an extra 10 days." Sorry - where did these "extra 10 days" come from. They are not mentioned anywhere else and certainly not in the calculations for capture effort. Having seen too many times with the GCN Guidelines where throwaway comments like this have become fixed NE policy, I am concerened that the same thing will happen here. If capture at sub-optimal times of the year requires more effort then say so up front or build it into the tables, don't hide it away in a bit of text.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote badgerboy Quote  Post ReplyReply Direct Link To This Post Posted: 21 Oct 2011 at 10:37pm
It seems to me that people are being rather hard on poor Duncan. As he says, if people have ANY comments about content or consulting wider before publication then why not do as the document says and feedback via the e-mail address given? Why can't the people that run this site do it on behalf of all the contributors rather than just have a moan. I have worked in government and we were officially banned from posting on such forums so that may well be the reason there is no official comment from NE. Another reason as Duncan correctly points out is they don't have many staff these days so I guess they are all too busy doing what they have to do to have the time to search out and read forums such as this.

And as for the comments about the London Gateway to Wiltshire relocation. My understanding is that NE in no way sanctioned or agreed to it (as no licence is needed for those species they could [legally at any rate] do as they pleased regardless of whether NE liked it or not.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote herpetologic2 Quote  Post ReplyReply Direct Link To This Post Posted: 21 Oct 2011 at 11:39pm
Hi badgerboy

Lets clear this up straight away. NE objected to the movement of great crested newts to Wiltshire and their only objection to moving reptiles was the welfare of the animals travelling from Essex to Wiltshire. The local team agreed to the translocation in effect when of course this was contrary to their own guidelines for reptile translocations. NE objects to development which threaten invertebrates which have no legal protection at all while reptiles which are protected species and at the time of the translocation in 2008 were priority species under the UK Biodiversity Action Plan.

I believe that the water vole situation was similar up until they became fully protected and so NE licensed their movement to the River Colne under the supervision of the Essex Wildlife Trust.

200,000 smooth newts stayed in Essex they were not moved with the reptiles yet they have less protection than the reptiles. 

The reptile mitigation guidelines as they stand I feel are much better than we have had before. I would imagine that arguing that moving reptiles 150miles is not acceptable under the guidelines.

The trapping effort required is to me impractical. Take the London Gateway as a case study it was reported that 23,000 ACOs were deployed to capture 24,000 reptiles (thats almost 1 ACO each reptile captured)

Under the guidelines as they stand the requirement would have been 50,000 ACOs (2 per reptile captured) if you wanted to clear the site from April onwards. 

The guidelines are useful in stopping massive translocations of reptiles over large distances. 

I also think that Wildlife NGO's and organisations such as NE should also follow these guidelines in preventing harm to the conservation status of reptiles on SSSI's, Nature Reserves and other sites which undergo management. 

I have been using the new guidelines to work out capture effort on translocations coming up next April. Starting in Mid March using the high end of 1000/ha for ACOs it will take 16 days to clear a site. Well that is 16 days of capture effort over suitable weather condition days. 

We are allocating 45 to 60 days from Mid March as we will be capturing animals during the two week bedding down period for the ACO's. I will be using a mixture of ACO materials - wood, felt, plastic, and tin
A mixture of sizes no smaller than 0.25m2 and we will be using habitat manipulation to reduce the site size so that a higher ACO density can be achieved in the suitable reptile habitat.

We have a receptor site which was surveyed pre the guidelines so we have fallen short of the survey recommendations but we have the same results - areas of suitable reptile habitat which have not got reptiles - this is in former farmland turned into a country park. We now have monitoring to arrange where we will be training council staff and volunteers over at least three seasons to learn how to properly monitor the individual reptiles post release.

I have an understanding client who has taken on board the guidelines and my advice - I am working with a larger consultancy - It is looking good from where I am sitting.

You just have to digest the figures etc from the guidelines and find a way of working with them. You have to remember that not all of the time you can meet the guidelines - when this occurs you need to put the constraints and reasons why things were done differently to the guidelines - As long as conservation status of reptiles is being maintained and their habitat is being protected, enhanced and increased then this should still be a good mitigation project.

Using too much reptile fencing, carrying on with trapping in unsuitable weather, starting late in the season all leads to work which does not meet the guidelines. I would also say that the cost of meeting the guidelines in terms of the numbers of ACO's required is prohibitive if you take the spread the whole site with ACO's like they appeared to have done at the London Gateway (though even that did not meet the guidelines).

I am definitely going to enjoy working through these guidelines on my mitigation courses.








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Post Options Post Options   Thanks (0) Thanks(0)   Quote sussexecology Quote  Post ReplyReply Direct Link To This Post Posted: 22 Oct 2011 at 12:28pm
You just have to digest the figures etc from the guidelines and find a way of working with them. You have to remember that not all of the time you can meet the guidelines - when this occurs you need to put the constraints and reasons why things were done differently to the guidelines - As long as conservation status of reptiles is being maintained and their habitat is being protected, enhanced and increased then this should still be a good mitigation project.

This is precisely my feeling and thank you for highlighting this  Jon. As long as you are ensuring and you can demonstrate that there is no net loss of reptile habitat or conservation status, whilst putting in measures for enhancing habitats and long-term monitoring,  then there is no reason why this should be a good mitigation project.

I've had a bit more time to read through the new guidelines and have been working out the calculations for capture effort. it is hard to navigate at first, but once you have got the hang of it, then it's quite simple to use.

I have been working out calculations (eg 20 days for good reptile habitat x 0.23 ha site size) and am keen to see if this works or not. If I had gone by the HGBI guidelines, this would have been 30 days for a low population of slow worms. The difference is only 10 days, so I'm willing to see if we can clear the site in 20 days as a min  (but put a caveat in the report that it may be extended to 30 days if required depending on local conditions). To be honest, we probably will spend about 30 days on this because you are never going to get 20 days of suitable weather conditions in succession., particularly in April.

I'm still a bit wary of the absence/presence figures that they have produced and am very interested to hear other people's views on this. For slow worm in April, a min of 6 visits doesn't sound ideal if you have a low population level on the site because it can take months/weeks to find them. I would rather use the basis of 10 survey visits but appreciate that clients may not be willing to see it this way. This is certainly my way of digesting the figures and working with them.

At the end of the day,  i would agree with Jon that these are better than we had before, and we have just got to get used to using them. There are things that I don't agree with, which have been highlighted already, such as stopping once you find reptiles present.



 






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Post Options Post Options   Thanks (0) Thanks(0)   Quote GemmaJF Quote  Post ReplyReply Direct Link To This Post Posted: 22 Oct 2011 at 8:48pm
Originally posted by badgerboy badgerboy wrote:

It seems to me that people are being rather hard on poor Duncan. As he says, if people have ANY comments about content or consulting wider before publication then why not do as the document says and feedback via the e-mail address given? Why can't the people that run this site do it on behalf of all the contributors rather than just have a moan. I have worked in government and we were officially banned from posting on such forums so that may well be the reason there is no official comment from NE. Another reason as Duncan correctly points out is they don't have many staff these days so I guess they are all too busy doing what they have to do to have the time to search out and read forums such as this.


And why can't Duncan do that considering he works for the organisation. Or is it also officially banned to use internal email at NE. Smile

I don't see anybody moaning. I think it has been a very useful discussion. 

If it has been lost along the way I see a general agreement that the bulk of the text is welcome and some criticism regarding the tables and the way a few things have been phrased, that is all.

I've already spoken to two LA workers who simply stated 'we don't get it' regarding the capture effort tables. That was my main concern all along. Clearly those of us working in the field will work with the guidelines and figure them out in time. 

I honestly think the correct time for feedback will be once we have used the guidelines in practice.

From the comments above it is clear a number of us will be doing just that next year and then be able to provide feedback. Right now it is discussion and though I would have welcomed input from those involved, particularly those who are in any case already members of this forum, I guess at this stage it isn't going to happen.

So don't blame us for discussing the new guidelines on a forum that is for eer, discussion. If NE want to miss the opportunity to use the discussion here as early feedback, it's really not my concern at all.


Edited by GemmaJF - 22 Oct 2011 at 8:53pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote herpetologic2 Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 2011 at 9:09am
There is talk of a workshop at the Herpetofauna Workers' Meeting. Would it be better to have it before next season or should we have one in 2013?

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