Regional Nature Park · fra
Avesnois
- Area
- 1 236 km²
- IUCN cat.
- V
- Year
- 1998
Overview
- Designation
- Regional Nature Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1998
- Managing authority
- French Ministry in charge of the environment. In march 2012, name, acronym and address as follows : Ministère de l'Écologie, du Développement durable, des Transports et du Logement (MEDDTL) 92055 La Défense Cedex France. For regional parks network,
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
7 308 distinct species · 835 841 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Avesnois : 21 espèces reliées par 120 interactions GloBI sur 6 types (connectance 22.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology7 basins · 3 lakes · 38 rivers
Hydrology metrics for this exact territory
Stream length here
305,7km
Lake surface here
1,57km²
Basins crossed
7
Max stream order
4
Max drainage
2 821km²
Discharge in basins
27,7m³/s
Mean precip.
828mm/an
Mean T°
9,5°C
Moisture idx
0,08
Max snow
9%
Mean runoff
372mm/an
Mean elev. (basins)
163m
Watersheds crossing here
- Bassin de l'Helpe Mineuresub-area517,1 km²overlap349.77 km²28%
- Bassin de la Sambresub-area850,9 km²overlap319.42 km²26%
- Bassin de l'Helpe Majeuresub-area323,9 km²overlap217.92 km²18%
- Bassin de la Hainesub-area1 107 km²overlap146.49 km²12%
- Bassin de la Rhonellesub-area465,1 km²overlap140.47 km²11%
- Bassin de la Sellesub-area251,3 km²overlap37.40 km²3%
- Bassin de l'Oisesub-area409,6 km²overlap24.93 km²2%
Lakes (3, top by area)
Rivers / streams (38, ord ≥ 4)
- L'Helpe Majeureord 4len here57.65 km97%total59 km
- L'Helpe Mineureord 3len here32.01 km83%total39 km
- La Sambreord 4len here30.85 km25%total125 km
- La Solreord 4len here23.06 km97%total24 km
- La Rhonelleord 2len here13.28 km49%total27 km
- Ruisseau du Pont de Sainsord 2len here12.46 km100%total12 km
- La Tarsiesord 1len here10.62 km86%total12 km
- L'Hogneauord 2len here9.97 km81%total12 km
- La Rivièretteord 1len here9.83 km100%total10 km
- La Thureord 4len here9.54 km50%total19 km
- L'Oiseord 5len here8.68 km4%total240 km
- Ruisseau des Harpiesord 1len here7.55 km44%total17 km
26 more river segmentssorted by Strahler order + length
- Grand Rieuord 1len here6.41 km93%total7 km
- Ruisseau du Sartord 2len here6.35 km70%total9 km
- Ruisseau de Carnoyord 1len here6.01 km87%total7 km
- Ruisseau Saint-Georgesord 3len here5.34 km42%total13 km
- Escaudemetzord 1len here4.93 km79%total6 km
- L'Écaillonord 3len here4.59 km30%total16 km
- La Rivière de Bavayord 1len here4.39 km56%total8 km
- La Hantesord 2len here4.38 km19%total23 km
- Ruisseau de l'Angeord 1len here3.82 km100%total4 km
- Canal de la Sambre à l’Oiseord 2len here3.42 km77%total4 km
- Rieux des Arbreuxord 1len here3.29 km100%total3 km
- Ruisseau de Stordoirord 1len here3.27 km100%total3 km
- Ruisseau de Bailièvreord 2len here3.13 km87%total4 km
- La Flamenneord 1len here2.86 km49%total6 km
- Brai des Hommesord 1len here2.68 km47%total6 km
- La Selleord 5len here2.11 km3%total65 km
- Le Montbliartord 2len here2.06 km78%total3 km
- Ruisseau des Bultiauxord 1len here2.01 km100%total2 km
- Ruisseau de Baivesord 1len here1.91 km78%total2 km
- Ruisseau de l'Erelleord 1len here1.67 km100%total2 km
- La Grande Honnelleord 2len here1.66 km21%total8 km
- Ruisseau de la Fontaine Lecomteord 1len here1.00 km101%total1 km
- Ruisseau de Gayord 1len here0.99 km100%total1 km
- Fontaine Saint-Georgesord 1len here0.83 km101%total1 km
- Grand Rieu du Neuf Vivierord 1len here0.62 km26%total2 km
- ruisseau de Sartiauord 1len here0.50 km16%total3 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 50.16221, 4.01533
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.