Ontologia

HydroBASINS lev08 watershed · #2080022060

Bassin de la Dives

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 2 administrative regions : Calvados, Orne

Pfafstetter: 23230702

Sub-basin area

1 757,5km²

Upstream area

1 757,6km²

Discharge

31,48m³/s

Mean elev.

101m

Administrative coverage

2 dept-equivalent regions (GADM L2)

257 communes (GADM L5)

13 intersecting protected areas

4 more protected areas

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

Species present

6 378 distinct species · 379 848 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

379 848 obs · 73 cellules
Obs. / cellule
≥ 32 325
11 598–32 324
6 556–11 597
3 132–6 555
< 3 132

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

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de la Dives : 13 espèces reliées par 192 interactions GloBI sur 6 types (connectance 13.4%, filtre Serrano α=0.2). 41 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
54
Interactions affichées
192
Connectance
0.134
Patrimoniales
0
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°

10,3°C

Annual rain

705mm

Moisture idx (CMI)

-0,09

Runoff

549mm/an

PET

777mm

AET

549mm

Mean slope

2,3°

Water table

138cm

Forest

0%

Crops

47%

Urban

1%

Protected

0%

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