Ontologia

HydroBASINS lev08 watershed · #2080023800

Bassin de Nöttenser Leide

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 : Aurich, Friesland, Wittmund

Pfafstetter: 23270504

Sub-basin area

190,5km²

Upstream area

190,6km²

Discharge

2,23m³/s

Mean elev.

3m

Administrative coverage

3 dept-equivalent regions (GADM L2)

28 intersecting protected areas

19 more protected areas

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

Species present

1 660 distinct species · 11 189 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 189 obs · 6 cellules
Obs. / cellule
≥ 5 851
5 851–5 850
2 135–5 850
1 073–2 134
< 1 073

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

Ecological tissue

Sample of 36 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 Nöttenser Leide : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 124 interactions GloBI sur 6 types (connectance 17.6%, filtre Serrano α=0.2). 19 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
124
Connectance
0.176
Patrimoniales
2
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°

8,7°C

Annual rain

788mm

Moisture idx (CMI)

0,25

Runoff

492mm/an

PET

593mm

AET

499mm

Mean slope

0,2°

Water table

7cm

Forest

0%

Crops

30%

Urban

5%

Protected

6%

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