Ontologia

HydroBASINS lev08 watershed · #2080365880

Bassin de Leine

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 : Hildesheim, Region Hannover

8% lakePfafstetter: 23270665

Sub-basin area

411,3km²

Upstream area

5 399km²

Discharge

53,49m³/s

Mean elev.

70m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

30 intersecting protected areas

21 more protected areas

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

Species present

5 663 distinct species · 124 590 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

124 590 obs · 13 cellules
Obs. / cellule
≥ 37 993
18 688–37 992
10 281–18 687
6 204–10 280
< 6 204

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

Ecological tissue

Sample of 37 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 Leine : 25 espèces reliées par 100 interactions GloBI sur 6 types (connectance 15.0%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
100
Connectance
0.150
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°

8,8°C

Annual rain

677mm

Moisture idx (CMI)

-0,07

Runoff

273mm/an

PET

727mm

AET

546mm

Mean slope

1,0°

Water table

55cm

Forest

3%

Crops

44%

Urban

53%

Protected

32%

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