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HAL Id: hal-02608951

https://hal.inrae.fr/hal-02608951

Submitted on 6 Jul 2020

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Multiscale socio-ecological networks in the age of

information

Maxime Lenormand, Sandra Luque

To cite this version:

Maxime Lenormand, Sandra Luque. Multiscale socio-ecological networks in the age of information.

IUFRO Posadas 2018: Adaptive management for forested landscapes in transformation, Oct 2018,

Posadas, Argentina. �hal-02608951�

(2)

Maxime Lenormand & Sandra Luque

UMR TETIS, Irstea, France

Multiscale socio-ecological networks

in the age of information

Thursday, October 4th 2018

(3)

Motivation

How can we use ICT data to model and visualize complex

socio-ecological interactions to better understand how

(4)

Spatio-temporal network

Non-material interactions

(1 hour in 500 x 500 m

2

)

(5)

Spatio-temporal network

Non-material interactions

(1 hour in 500 x 500 m

2

)

(6)

Methodological framework

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

Vinschgau Warwickshire

16 case study sites

Classify and validate every Flickr

photos following the Common

International Classification of

Ecosystem Services

User

Time

Lon/Lat

+ online survey

Photo

(7)

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

(8)

Methodological framework

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

Vinschgau Warwickshire

16 case study sites

Classify and validate every Flickr

photos following the Common

International Classification of

Ecosystem Services

User

Time

Lon/Lat

+ online survey

Photo

(9)
(10)

Methodological framework

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

Vinschgau Warwickshire

16 case study sites

Classify and validate every Flickr

photos following the Common

International Classification of

Ecosystem Services

User

Time

Lon/Lat

+ online survey

Photo

(11)

Photos classification process

Every Flickr photos has been

classified and validated following the

Common International Classification

of Ecosystem Services

(12)

Methodological framework

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

Vinschgau Warwickshire

16 case study sites

Classify and validate every Flickr

photos following the Common

International Classification of

Ecosystem Services

User

Time

Lon/Lat

+ online survey

Photo

(13)

Flickr users

Identification of users' place of residence

(14)

Methodological framework

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

Vinschgau Warwickshire

16 case study sites

Classify and validate every Flickr

photos following the Common

International Classification of

Ecosystem Services

User

Time

Lon/Lat

+ online survey

Photo

(15)
(16)
(17)
(18)

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

(19)

How does the distance to a site influence the way

people explore and interact with this site?

(20)
(21)

Sites' attractiveness

0

5000

10000

15000

20000

0.0

0.2

0.4

0.6

0.8

1.0

Normalized distance (in km)

CDF

French Alps

Kiskunsag

Warwickshire

De Cirkel

Loch Leven

Danube

Costa Vincenti

Dovre

Kainuu

Vinschgau

Cairngorms

Stubai valley

Barcelona

Trnava

Carpathians

Sierra Nevada

(22)

Distribution of interactions

Space (cells)

Time (months)

(23)

Effect of the distance traveled

Space (cells)

Time (months)

Landscape diversity

Space (cells)

Time (months)

Landscape diversity

...

Impact of the distance

on the distribution

(24)

Median effect

0

1000

2000

3000

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

Normalized distance

X

d

X

0

Spatial coverage

Temporal dispersion

Landscape diversity

(25)

Locals & visitors overlaps

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)

(26)

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

Resillience planning

Lenormand et al. (2018) Multiscale socio-ecological networks in the age of information.

arXiv preprint arXiv:1805.00734.

(27)

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