Ontologia

HydroBASINS lev08 watershed · #5080510690

Bassin de Severn River

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 : Glen Innes Severn, Inverell

6% lakePfafstetter: 56469607

Sub-basin area

1 269,1km²

Upstream area

2 369,8km²

Discharge

5,93m³/s

Mean elev.

795m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Severn River505 km²

▲ Receives from 2 basins

2 dept-equivalent regions (GADM L2)

4 intersecting protected areas

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

Species present

1 549 distinct species · 32 790 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

32 790 obs · 30 cellules
Obs. / cellule
≥ 5 467
2 757–5 466
942–2 756
593–941
< 593

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 Severn River : 32 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 55 interactions GloBI sur 4 types (connectance 8.3%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
55
Connectance
0.083
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°

14,9°C

Annual rain

796mm

Moisture idx (CMI)

-0,42

Runoff

61mm/an

PET

1 390mm

AET

674mm

Mean slope

4,4°

Water table

480cm

Forest

38%

Crops

30%

Urban

0%

Protected

7%

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