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Biogeographical network analysis of plant species distribution in the French Mediterranean area

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HAL Id: hal-02890693

https://hal.inrae.fr/hal-02890693

Submitted on 6 Jul 2020

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Biogeographical network analysis of plant species

distribution in the French Mediterranean area

Maxime Lenormand, Olivier Argagnon

To cite this version:

Maxime Lenormand, Olivier Argagnon. Biogeographical network analysis of plant species distribution in the French Mediterranean area. CCS 2017, Oct 2017, Cancun, Mexico. �hal-02890693�

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Maxime Lenormand | Irstea, France

September 19, 2016

CCS 2017 | Cancùn, Mexico

Biogeographical network analysis of plant

species distribution in the French

Mediterranean area

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Motivation

Geographical locations Plant species

test-value

(a) Biogeographical bipartite network

(b) Spatial network (d) Species network

(e) Coarse-grained biogeographical network (c) Spatial community analysis

Multi-scale biogeographical structure of a region

Species co-occurence network

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Study area

0 200 400 600 800 1000 #Species

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Study area

0 200 400 600 800 1000 #Species

5M vegetation plant samples 4,000 plant species

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Spatial ecological bipartite network

Geographical

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Spatial network

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Coherent biogeographical regions

Mediterranean border

Cork oak zone Cévennes sensu lato

Subatlantic mountains

Mediterranean lowlands

Prealps

High moutains

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Spatial community analysis

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Spatial community analysis

n geographical locations

species i present in n geographical locations

i

spatial community j composed of n locations

j

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Spatial community analysis

53 65 50 40 57 52 23 15 20 15 13 10 12 14 11 13 24 17 19 26 28 19 15 52 42 24

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Network of species

1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 1 (180 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 2 (180 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 3 (206 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 4 (302 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 5 (37 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 6 (125 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 7 (242 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 8 (59 species) 1 2 3 4 5 6 7 8 −10 0 10 20 30 40 Test Score Spatial cluster Cluster 9 (200 species) 1 2 3 4 5 6 7 8 −10 0 10 20 30 40 Test Score Spatial cluster Cluster 10 (250 species) 1 2 3 4 5 6 7 8 −10 0 10 20 30 40 Test Score Spatial cluster Cluster 11 (279 species) 1 2 3 4 5 6 7 8 −10 0 10 20 30 40 Test Score Spatial cluster Cluster 12 (284 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 13 (189 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 14 (44 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 15 (143 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 16 (375 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 17 (219 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 18 (232 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 19 (577 species) 1 2 3 4 5 6 7 8 −100 10 20 30 40 Test Score Spatial cluster Cluster 20 (113 species)

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Acknowledgement

Références

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