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Multiscale socio-ecological networks in the age of information

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HAL Id: hal-02890710

https://hal.inrae.fr/hal-02890710

Submitted on 6 Jul 2020

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Multiscale socio-ecological networks in the age of

information

Maxime Lenormand

To cite this version:

Maxime Lenormand. Multiscale socio-ecological networks in the age of information. NetSci 2018, 2018, Paris, France. �10.1371/journal.pone.0206672�. �hal-02890710�

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Maxime Lenormand

UMR TETIS, Irstea, France

Multiscale socio-ecological networks

in the age of information

June13, 2018

NetSci 2018|Paris, France

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Motivation

How can we use ICT data to model and visualize complex

socio-ecological interactions to better understand how

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Time window

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Time window

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16 case study sites

Barcelona Cairngorms Carpathians Costa Vicentina Danube De Cirkel Dovre French Alps Kainuu Kiskunsag Loch Leven Sierra Nevada

Stubai valley Trnava Vinschgau Warwickshire

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Flickr data

Every Flickr photos has been classified and validated following the Common International Classification of Ecosystem Services

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Flickr users

Identification of users' place of residence

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Flickr group & survey

90% of accuracy in the users' place of residence detection!

11% response rate

Ar tisan, mer chant Intellectual pr of . Farmer Intermediate pr of . Student Other Housekeeper Retired Other 0 10 20 30 40 Percentage of users < 25 [25,40[ [40,60] > 60 0 10 20 30 40 50 Percentage of users Man Woman 0 20 40 60 80 Percentage of users Active Inactive

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Attractiveness

French Alps Kiskunsag Warwickshire De Cirkel Loch Leven Danube Costa Vicentina Dovre Kainuu Vinschgau Cairngorms Stubai valley Barcelona Trnava Carpathians Sierra Nevada 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.2 0.4 0.6 0.8 1.0 Normalized distance CDF

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Exploration

0.0 0.1 0.2 0.3 0.4 0.5 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 Normalized distance Xd X0 Coverage (spatial) Entropy (spatial) Dilatation (spatial) Entropy (temporal) Entropy (landscape)

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Exploration

0.0 0.1 0.2 0.3 0.4 0.5 0.6 Warwickshire Vinschgau Trnava Stubai valley Sierra Nevada Loch Leven Kiskunsag Kainuu French Alps Dovre De Cirkel Danube Costa Vicentina Carpathians Cairngorms Barcelona Spatial overlap (a) 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Temporal overlap (b) 0.5 0.6 0.7 0.8 0.9 1.0 Landscape overlap (c)

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Modelling of social-ecological interactions

with a spatio-temporal network & ICT data

Take home message

Diversity of spatio-temporal contexts,

individuals and type of interactions

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AHIA project outputs

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Références

Télécharger maintenant ( PDF - 19 Page - 6.28 MB )

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