HydroBASINS lev08 watershed · #7080686070

Bassin de Cossatot 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 3 administrative regions : Howard, Polk, Sevier

4% lakePfafstetter: 74224040

Sub-basin area

1 291,5km²

Upstream area

1 291,5km²

Discharge

19,29m³/s

Mean elev.

246m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Little River250 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

Sevier
Arkansas · United States
516.4 km²
40.0% of basin
Polk
Arkansas · United States
496.1 km²
38.4% of basin
Howard
Arkansas · United States
278.8 km²
21.6% of basin

8 intersecting protected areas

Howard County
IUCN V
Wildlife Management Area
69.36 km² overlap
Caney Creek
IUCN Ib
Wilderness
54.16 km² overlap
Caney Creek National
IUCN V
Game Refuge
31.70 km² overlap
Pond Creek
IUCN IV
National Wildlife Refuge
31.47 km² overlap
Cossatot River State Park-Natural Area
IUCN Not Assigned
State Park
18.64 km² overlap
Cossatot River, Arkansas
IUCN V
Wild and Scenic River
16.60 km² overlap
Cossatot River Macrosite
IUCN V
Conservation Easement
0.35 km² overlap
Little Missouri, Arkansas
IUCN V
Wild and Scenic River
0.11 km² overlap

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

Species present

1 477 distinct species · 11 343 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 44 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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Cossatot River : 32 espèces reliées par 96 interactions GloBI sur 4 types (connectance 9.3%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.093

Patrimoniales

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°

15,7°C

Annual rain

1 385mm

Moisture idx (CMI)

0,02

Runoff

471mm/an

PET

1 351mm

AET

1 076mm

Mean slope

3,9°

Water table

195cm

Forest

94%

Crops

Urban

Protected

23%

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