Ontologia

HydroBASINS lev08 watershed · #7080649550

Bassin de Colorado 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 : Clark, Mohave

32% lakePfafstetter: 77233055

Sub-basin area

1 024,9km²

Upstream area

425 401,8km²

Discharge

507,23m³/s

Mean elev.

594m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Colorado River1122 km²

▲ Receives from 2 basins

2 dept-equivalent regions (GADM L2)

7 intersecting protected areas

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

Species present

674 distinct species · 9 598 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 598 obs · 24 cellules
Obs. / cellule
≥ 3 684
1 150–3 683
321–1 149
100–320
< 100

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

Ecological tissue

Sample of 47 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 Colorado River : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 104 interactions GloBI sur 4 types (connectance 9.2%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
48
Interactions affichées
104
Connectance
0.092
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°

19,9°C

Annual rain

128mm

Moisture idx (CMI)

-0,91

Runoff

13mm/an

PET

1 528mm

AET

108mm

Mean slope

7,6°

Water table

757cm

Forest

0%

Crops

0%

Urban

0%

Protected

59%

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