Ontologia

HydroBASINS lev08 watershed · #1081655860

Bassin de Sandspruit

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 : West Coast

Pfafstetter: 12602005

Sub-basin area

419,5km²

Upstream area

3 102,8km²

Discharge

27,1m³/s

Mean elev.

128m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Berg River1385 km²

▲ Receives from 2 basins

1 dept-equivalent regions (GADM L2)

2 intersecting protected areas

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

Species present

734 distinct species · 10 067 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 067 obs · 12 cellules
Obs. / cellule
≥ 5 428
1 773–5 427
985–1 772
127–984
< 127

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

Ecological tissue

Sample of 31 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 Sandspruit : 29 espèces reliées par 25 interactions GloBI sur 3 types (connectance 5.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
25
Connectance
0.054
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°

17,8°C

Annual rain

456mm

Moisture idx (CMI)

-0,68

Runoff

176mm/an

PET

1 428mm

AET

388mm

Mean slope

3,2°

Water table

374cm

Forest

0%

Crops

98%

Urban

0%

Protected

0%

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