Ontologia

HydroBASINS lev08 watershed · #1081659690

Bassin de Grootrivier

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 1 administrative regions : Eden

Pfafstetter: 12580210

Sub-basin area

1 369,3km²

Upstream area

13 289,7km²

Discharge

8,09m³/s

Mean elev.

392m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Gourits River1664 km²

▲ Receives from 2 basins

1 dept-equivalent regions (GADM L2)

9 intersecting protected areas

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

Species present

2 243 distinct species · 27 091 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

27 091 obs · 39 cellules
Obs. / cellule
≥ 8 943
1 550–8 942
671–1 549
319–670
< 319

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

Ecological tissue

Sample of 35 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 Grootrivier : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 35 interactions GloBI sur 4 types (connectance 5.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
35
Connectance
0.053
Patrimoniales
1
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°

16,2°C

Annual rain

353mm

Moisture idx (CMI)

-0,74

Runoff

28mm/an

PET

1 393mm

AET

301mm

Mean slope

8,4°

Water table

917cm

Forest

5%

Crops

9%

Urban

0%

Protected

7%

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