Ontologia

HydroBASINS lev08 watershed · #2080412040

Bassin de Canal de la Deûle

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 3 administrative regions across 2 countries : Hainaut, Nord, Pas-de-Calais

Pfafstetter: 23250666

Sub-basin area

870,2km²

Upstream area

870,2km²

Discharge

12,36m³/s

Mean elev.

39m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

162 communes (GADM L5)

4 intersecting protected areas

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

7 402 distinct species · 926 280 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

926 280 obs · 46 cellules
Obs. / cellule
≥ 69 120
36 755–69 119
22 608–36 754
17 274–22 607
< 17 274

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 34 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Canal de la Deûle : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 138 interactions GloBI sur 6 types (connectance 21.9%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
138
Connectance
0.219
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

10,1°C

Annual rain

673mm

Moisture idx (CMI)

-0,07

Runoff

447mm/an

PET

725mm

AET

532mm

Mean slope

0,8°

Water table

36cm

Forest

0%

Crops

36%

Urban

62%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)