Hi all, I might be able to help with Lea Valley - especially the central London end of it. I've been mostly too busy for OSM this year, but should try and get to some of the NRs...
Best Dan 2015-10-05 10:43 GMT+01:00 SK53 <sk53....@gmail.com>: > Hi Steve, > > The local hotspot around you is the Lea Valley. Various patches along the > river & navigation will be nature reserves. It's a well known haunt of > Bitterns in the Winter. > > Otherwise Middlesex is a bit thin. You can just make out LNRs & SSSIs on > this map I made from OS Open Data designed to assist biological recording. > They are shown as a diagonal or cross-hatch. There seem to be a couple up > near Barnet, and some big ones missing N of Stanmore in Middlesex, and the > Welsh Harp reservoir isn't shown as one. > > The usual sources for finding nature reserves and other places of wildlife > interest which I use are; > > local Wildilife Trust. Usually the organisation with most reserves in a > given county or group of counties. In your case these are London, Herts & > Essex Wildlife Trusts. It's not a bad idea to target getting all the WT > reserves done. > local Council. For Country Parks & LNRs. > local Bird Club. Most bird club websites have quite good accounts of popular > birding locations. Many of these will be nature reserves. > local natural history books. Try the local studies section of a public > library. For instance Herts WT have published very detailed volumes about > Moths & Plants quite recently. These usually have a good account of > significant sites which will be more likely than not nature reserves. > local field club or natural history society. These don't exist everywhere, > but where they do you are likely to find people extremely familiar with not > just nature reserves but lots of detail of local topography. > other conservation orgs: RSPB, Wildlife Trust, WWT, Buglife, Plant Life etc. > Natural England (lists of LNRs, SSSIs) > > Jerry > > > On 5 October 2015 at 09:56, Steve Chilton <s.l.chil...@mdx.ac.uk> wrote: >> >> Can you point me to a source for identifying NRs near me (L B of Enfield), >> and I will try to get out to them and do a bit of boundary and path network >> mapping where possible? >> >> >> >> Cheers >> >> Steve >> >> >> >> From: SK53 [mailto:sk53....@gmail.com] >> Sent: 05 October 2015 09:29 >> To: Brian Prangle >> Cc: Talk GB >> Subject: Re: [Talk-GB] Last quarterly project for 2015 >> >> >> >> I'm well in favour of mapping nature reserves, but they usually are quite >> difficult to find actual boundaries. >> >> Nick Whitlegg and I walked through a couple of Woodland Trust areas on >> Saturday and working out the extent of the area owned by the WT is >> difficult. Similarly, over another non-OSM matter, I've been exchanging >> emails with NT Eastern Office about Wicken Fen, but they have added so much >> new land over the past few years that they dont have a ready to use map of >> the reserve. Another one is the new RSPB reserve at Medmerry near Selsey, >> which is the site of a massive managed retreat and new sea wall breach. This >> was brought to my attention by Liz Scott (@birdmaps). Lastly, I haven't even >> resolved the bounds of Attenborough NR: the staff now manage the area in >> Derbyshire labelled Erewash Field on OSM. I don't know if it has been >> formally incoriporated into the reserve, so the current mapping is a >> sensible compromise (and yes Nottinghamshire Wildlife Trust operate a >> reserve in Derbyshire). >> >> There are Natural England datasets for National NRs, Local NRs and SSSIs. >> I think these are under OGL these days, but like PRoW or Land Registry >> inspire data, they may incorporate OS MasterMap data, and I have always >> treated them as not fully open. Some local authorities have open data >> showing boundaries of LNRs. Note that NR & SSSI boundaries are often not >> coincident. NRs depend on either landowner agreement, or willingness to sell >> land; SSSIs are based on conservation importance. And of course, some NRs >> have geological SSSIs in their midst which are much smaller than the NR. >> >> The second thing which is really important for NRs is to get path networks >> and access mapped out. Experience shows that even if one wants to start >> mapping the things the NR is about, having the paths in is a necessary but >> not sufficient condition for a decent map. Many NRs are very deficient from >> this point of view (including the big ancient woodlands S of Coventry, such >> as Wappenbury & Ryton, the last of which I visited at end of August. >> Similarly both Wyre Forest & Werneth Low which I visited in September lack >> many paths. >> >> There's a lot more to say about NRs, I have already started a draft for >> the blog to do so inspired by looking at Medmerry. >> >> My feeling is that the most value can be added to OSM by improving details >> of NRs local to individual mappers, and initially, at least path networks >> (there are probably 10+ km of unmapped paths in Ryton Wood alone). >> >> One other plea, please don't map areas of grass as meadows unless you know >> them to be meadows: Dudley wrote something about this in the past. >> >> Regards, >> >> Jerry >> >> >> >> On 5 October 2015 at 08:39, Brian Prangle <bpran...@gmail.com> wrote: >> >> Hi everyone >> >> For the remainder of 2015 lets concentrate on Nature Reserves >> >> Regards >> >> Brian >> >> >> _______________________________________________ >> Talk-GB mailing list >> Talk-GB@openstreetmap.org >> https://lists.openstreetmap.org/listinfo/talk-gb >> >> > > > > _______________________________________________ > Talk-GB mailing list > Talk-GB@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk-gb > _______________________________________________ Talk-GB mailing list Talk-GB@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-gb