alpine saca first overview · 1 alpine saca –first overview mid-term conference 3rd july 2018,...
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1
Alpine SACA – first overview
Mid-term conference 3rd July 2018, Berchtesgaden
Rachel Lüthi, Swiss National Park
Guillaume Costes, ASTERS
Yann Kohler, Alparc
Hans Lozza / SNP
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2, 30.10.2018Rachel Lüthi / SNP
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3, 30.10.2018Rachel Lüthi / SNP
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4, 30.10.2018Rachel Lüthi / SNP
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5, 30.10.2018
Ecological connectivity
The degree to which the landscape facilitates or impedes movement (Taylor et al., 1993)
Different definitions:
• species-specific connectivity of habitats
• connectivity of human-defined patterns of landcover
• connectedness of ecological processes
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6, 30.10.2018
Continuum suitability indices CSI – general considerations
The aim is to …
… map relevant factors for ecological connectivity. The landscape is analysed with regard to their quality as an ecological continuum and classified accordingly.
… create a homogenous and consistent dataset covering the whole EUSALP perimeter (no regional solutions)
… develop a model producing valid results for as many cases as possible (100% is never possible)
• The individual indicators complement each other – even though some duplications can’t be avoided.
• The classification schemes need to be consistent in comparison to each other.
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7, 30.10.2018
Continuum suitability indicators (CSI) - history
Before Alpbionet2030• Developed in the framework of
econnect (2008-2011)Experts workshops and literature review on indicators definition
• Integrated in a wep mapping and analysing application (www.jecami.eu)
• Applied in and adapted to variousregions/projectsExperts workshops on indicators definition
Alpbionet20301st version of Alpine CSI indicators based on econnect methodology
• Workshop (Apr. 2017, Zernez CH)• Refinement of indicators by different
project partners (literature review, evaluation of questionnaires)
• Workshop (Oct. 2017, Trenta SI)
2nd version of Alpine CSI indicators
• Further refinement of indicators
3rd (and final) version of Alpine CSI indicators
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8, 30.10.2018
Continuum suitability indices (CSI) - overview
• TOP: altitude and topographyImpact of altitude and slope angle on the EC - to express the potential for theestablishment of ecological networks at lower altitudes
• POP: population pressureInfluence of population on EC – expressed as population density
• ENV: environmental protectionPositive attitude towards ecological integrity – defined by the legal protection status of an area
• LAN: land useCoherence of activities with the type of landscape according to principles of sustainability.
• FRA: fragmentationDegree of fragmentation of natural or semi natural spaces by human infrastructure –expressed as effective mesh density
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9, 30.10.2018
TOP (altitude and topography)
Data:• ASTER Global Digital Elevation
Model GDEM V2 (30m resolution)
Classification:
TOP = (valuealtitude + valueslope)/2
Altitude
(m a.s.l.)
Indicator
Value (0-10)
-1500 10
1500-1675 9
1675-1850 8
1850-2025 7
2025-2200 6
2200-2375 5
2375-2550 4
2550-2725 3
2725-2900 2
> 2900 1
Slope (°)Indicator
Value (0-10)
≤ 30° 10
30-40° 7
40-45° 5
> 45° 3
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10, 30.10.2018
POP (population pressure)
Data:
• Population density grid of EU-27+, version 5 (100m resolution)
• STATPOP2016, BFS GEOSTAT (CH) (100m resolution)
Processing:
• Kernel density estimation of theinhabited areas proxy for theinfluence of population on itssurroundings
Classification:Inhabitants per
hectare
Indicator value
(0-10)
0 - 2 10
2 - 5 9
5 - 9 8
9 - 16 7
16 - 26 6
26 - 43 5
43 - 67 4
67 - 106 3
106 - 172 2
172 - 300 1
300 - max 0
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11, 30.10.2018
ENV (environmental protection)
Data:
• World Database on Protected Areas (WDPA), Oct. 2017
• Various national datasets
Classification:
Legal protection status Indicator value (0-10)
Strict conservation status, no economic use
10
Protected areas with strictly regulated economic use
9
Protected areas with legal restraints
6-7
Protected area where the management serves the
sustainable development of natural ecosystems
5
Protected areas without legal restraints
5
No protection 0
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12, 30.10.2018
LAN (landuse)
Data:
• Corine Land Cover data set 2012 (100m resolution)
• ASTER Global Digital Elevation Model GDEM V2 (30m resolution)
Processing:
Classification ofCLC2012 dataset1
Reclassification ofconiferous forests
Reclassification of «high-altitude» forests
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13, 30.10.2018
FRA (fragmentation)
Data:
• EuroGlobalMap
– Roads
– Railroads
Processing:
Calculation of effective mesh density(seff) of all fragmenting elements
Calculation of effective mesh density(seff) of highways and motorways
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14, 30.10.2018
LAN
Continuum Suitability Index (CSI)
POPFRATOP
ENV
CSI = (2*LAN + 2*POP + FRA + TOP + ENV)/7
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15, 30.10.2018
Continuum Suitability Index (CSI)
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16, 30.10.2018
Workshop - JECAMI 2.0
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17, 30.10.2018
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18, 30.10.2018
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19, 30.10.2018
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20, 30.10.2018
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21, 30.10.2018
LAN (landuse)
Data:
• Corine Land Cover data set 2012 (100m resolution)
• ASTER Global Digital Elevation Model GDEM V2 (30m resolution)
Processing:
Classification ofCLC2012 dataset1
Reclassification ofconiferous forests
Reclassification of «high-altitude» forests