where was it? what was it? using old maps to inform restoration … · 2019-11-04 · treescapes....
TRANSCRIPT
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Where was it? What was it? Using
old maps to inform restoration
and enhancement of ancient
treescapes.
John P Smith Mosaic Mapping
and the Ancient Tree Forum
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In Oliver Rackham’s 1986 book The History of the
Countryside he talks of the rural maps of the 1860’s and 70’s,
‘which attempt to record every hut and hedgerow tree; the
zenith of rural mapmaking in Britain and perhaps in the
world‘
Later, he goes further, in “Woodlands” published in 2006
stating
“in general the first edition 25-inch tried to show every non-
woodland tree in Britain, and as far as can be checked got
them right.”
What follows is an example of a site where I have attempted
to verify this
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Ancient
Tree
Inventory
data
Parke, Devon
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Current OS Base Mapping
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GPS Survey Data
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With air imagery
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ATI Early OS mapping
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25 inch – 1:2500 1888 OS
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Woodland
Orchard
Parkland
Riverside
Avenue
Shelterbelts
Broadleaf and Conifer
Woodland garden
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Symbol used to depict broadleaf trees
as individuals - particularly in parkland
Symbol used as a
general representation
of broadleaf trees
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With surveyed trees shown
by circles proportional in
size to tree girth
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Now superimposed upon 1888 OS map
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Time to look at a real tree
Old field boundary markers
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Detail 1888 OS map
Three empty circles
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1909 OS Map
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1936 OS Map
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Summary
• Old OS mapping, remember, this was carried out by
gangs of surveyors using chains, can be very accurate
• Surveyors were human, mistakes were made
• Later Editions were updated, presumably by resurvey
We can use this information to give an insight as to how
we might restore our Ancient Treescapes
Case study - Windsor
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Stag Meadow Windsor
1st and 2nd Epoch OS
Individual trees picked
out with pink stars
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With GPS survey locations
in green
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Locations of trees
missing now in blue
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Reality check –
with air imagery
What about recent planting?
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Recent planting shown
in pink
What about dead trees?
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Dead trees in yellow
Choose locations and derive coordinates
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Stump hollow
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Double-checking
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The tree symbol covers an
area about 12 m wide
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This has been about where to plant
But what!
Oak would seem to be a natural choice for much.
But much of Windsor is public access
OPM?
But whatever, plenty of scope to restore such
treescapes
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THANK YOU