Ontologia

HydroBASINS lev08 watershed · #7080677870

Bassin de Ouachita 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 4 administrative regions : Clark, Garland, Hot Spring, Saline

18% lakePfafstetter: 74222991

Sub-basin area

1 442,2km²

Upstream area

4 777,9km²

Discharge

74,23m³/s

Mean elev.

157m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Ouachita River1120 km²

▲ Receives from 2 basins

4 dept-equivalent regions (GADM L2)

4 intersecting protected areas

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

Species present

3 379 distinct species · 132 674 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

132 674 obs · 39 cellules
Obs. / cellule
≥ 40 949
11 151–40 948
1 729–11 150
562–1 728
< 562

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

Ecological tissue

Sample of 40 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 Ouachita River : 28 espèces reliées par 93 interactions GloBI sur 4 types (connectance 11.3%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
93
Connectance
0.113
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°

16,1°C

Annual rain

1 405mm

Moisture idx (CMI)

0,03

Runoff

485mm/an

PET

1 369mm

AET

1 074mm

Mean slope

3,2°

Water table

160cm

Forest

87%

Crops

9%

Urban

6%

Protected

0%

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