Slides from talk on mapping, tagging and cartography of woodlands on OpenStreetMap.

1. Jerry Clough : Zone de Combat
Zone deZone de
CombatCombat
Jerry Clough – SK53
Maps Matter (sk53-osm.blogspot.com/)

2. Jerry Clough : Zone de Combat
Two roads diverged in a wood, and I —
I took the one less traveled by,
And that has made all the difference.
Robert Frost, TheRoadNot Taken 1920

3. Jerry Clough : Zone de Combat
ThemesThemes
• Where we are (why we map forests
badly)
• Why we should map forests better
• Where can we start
• What do we want to know
• How we can do it

4. Jerry Clough : Zone de Combat
OS 7OS 7thth
SeriesSeries
Source: map examples, OpenStreetMap Out of Copyright Ordnance Survey
Maps; OS map key, OSM wiki

5. Jerry Clough : Zone de Combat
OS 7OS 7thth
SeriesSeries
Source: map examples, OpenStreetMap Out of Copyright Ordnance Survey
Maps; OS map key, OSM wiki

6. Jerry Clough : Zone de Combat
OSMCartography of WoodlandOSMCartography of Woodland
Credits: map examples: Andy Allan, OpenCycleMap
San Michele, Gio le Gamb on Panaramio

7. Jerry Clough : Zone de Combat
OSMCartography of WoodlandOSMCartography of Woodland
Credits: map examples: Andy Allan, OpenCycleMap
San Michele, Gio le Gamb on Panaramio

8. Jerry Clough : Zone de Combat
Worldwide Forest DistributionWorldwide Forest Distribution

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A real wood: The DeltaA real wood: The Delta

10. Jerry Clough : Zone de Combat
A real wood: The DeltaA real wood: The Delta
• Broad-leaved
• Deciduous
• Dominant trees:
– Alder (Alnus glutinosa)
– with White Willow (Salix
alba)
• Plant communities
– Salicion albae
– Alneta glutinosae
– UK NVC W6b
• Natural
– Self-sustaining
• Protection
– Nature Reserve
– Site of Special Scientific
Interest About 40 years old
(1970s)
• Purpose : wildlife
conservation
• Managed by panel
coppicing
• Ownership etc
– Operated by Notts WT
– Owned by Cemex

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Things we may know about WoodlandThings we may know about Woodland
• Plant composition
– Evergreen / Deciduous
– Coniferous/Broad-leaved Mixed
– Dominant tree species
– Ground cover
• Main Purpose
– Conservation
– Timber / Wood Products
– Hunting
– Leisure
– Multi-use
– …
• Management
– Coppicing / Pollarding
– Clear-felling / Selective
extraction
– Neglected
• Planted / Self-sustaining
– Plantations
• Serried rows of trees
• Age
– Ancient Woodland / Urwaelder
• Operator
• Management

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Top Down /BottomUpTop Down /BottomUp
• Top Down
– Simple concepts
– Step-wise refinement
• Easily recognised types
• Build on existing
tagging
• Classic
Phytosociology
– Requires either
• Open Data from
Universities & Nature
bodies
• Detailed surveys
(releve)
– Swiss official
classification not
completed after 50+
years
• Different tagging

13. Jerry Clough : Zone de Combat
Focus on HolarcticFocus on Holarctic

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Tremling AspenTremling Aspen

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Beech WoodBeech Wood

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Salix RiverineSalix Riverine

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Scot’s PineScot’s Pine

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Bluebell WoodBluebell Wood

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PoplarPlantationPoplarPlantation

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Brich WoodBrich Wood

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Caledon (Pine) WoodCaledon (Pine) Wood

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Oak1Oak1

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CottonwoodCottonwood

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LarchLarch

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Olympic Rain ForestOlympic Rain Forest

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Oak2 (Sherwood)Oak2 (Sherwood)

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Sitka Spruce (Plantations)Sitka Spruce (Plantations)

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PoplarPlantationPoplarPlantation

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34. Jerry Clough : Zone de Combat
Floristic Regions in the HolarcticFloristic Regions in the Holarctic

35. Jerry Clough : Zone de Combat
MajorGenera of HolarcticMajorGenera of Holarctic
Forest TreesForest Trees
• Pines (Pinus)Pines (Pinus)
• Spruces (Picea)Spruces (Picea)
• Larches (Larix)Larches (Larix)
• Silver Firs (Abies)Silver Firs (Abies)
• CypressCypress
• Beech (Fagus)Beech (Fagus)
• Oaks (Quercus)Oaks (Quercus)
• Birches (Betula)Birches (Betula)
• ChestnutsChestnuts
(Castanea)(Castanea)
• Limes (Tilia)Limes (Tilia)
• Maples (Acer)Maples (Acer)
• Ashes (Fraxinus)Ashes (Fraxinus)
• Elms (Ulmus)Elms (Ulmus)

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37. Jerry Clough : Zone de Combat
Larch Woodland : an exampleLarch Woodland : an example

38. Jerry Clough : Zone de Combat
Larch Woodland : an exampleLarch Woodland : an example
• Deciduous conifer
– Circumboreal distribution
– Climax forests
• Valued for timber &
amenity
• Forest tree
– plantations outside native
range
• Threatened
– Phythophora ramorum
– Climate Change
– Genetic mixing of species

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41. Jerry Clough : Zone de Combat
ConclusionConclusion
Trees

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ConclusionConclusion
Trees, Woods

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ConclusionConclusion
Trees, Woods, forests…

44. Jerry Clough : Zone de Combat
ConclusionConclusion
Trees, Woods, forests…
Beautiful …

45. Jerry Clough : Zone de Combat
ConclusionConclusion
Trees, Woods, forests…
Beautiful …
diverse…

46. Jerry Clough : Zone de Combat
ConclusionConclusion
Trees, Woods, forests…
Beautiful …
diverse…
…Mappable

47. Jerry Clough : Zone de Combat
WoodWoodPasturePasture

48. Jerry Clough : Zone de Combat
Wood PastureWood Pasture

49. Jerry Clough : Zone de Combat
Wood PastureWood Pasture