Ontologia

HydroBASINS lev08 watershed · #2080523030

Bassin de la Bienne

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 5 administrative regions across 2 countries : Ain, Doubs, Jura, Jura-North Vaudois, Nyon

Pfafstetter: 21602628

Sub-basin area

689,9km²

Upstream area

689,9km²

Discharge

23,2m³/s

Mean elev.

906m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

5 dept-equivalent regions (GADM L2)

63 communes (GADM L5)

30 intersecting protected areas

21 more protected areas

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

Species present

6 821 distinct species · 593 342 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

593 342 obs · 35 cellules
Obs. / cellule
≥ 67 005
37 264–67 004
24 020–37 263
11 413–24 019
< 11 413

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

Ecological tissue

Sample of 29 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 Bienne : 15 espèces reliées par 95 interactions GloBI sur 6 types (connectance 23.4%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
95
Connectance
0.234
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°

7,4°C

Annual rain

1 248mm

Moisture idx (CMI)

0,39

Runoff

1 062mm/an

PET

748mm

AET

671mm

Mean slope

10,8°

Water table

359cm

Forest

94%

Crops

3%

Urban

3%

Protected

94%

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