HydroBASINS lev08 watershed · #7080602630
Bassin de la Jara Creek
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 5 administrative regions : Alamosa, Archuleta, Conejos, Rio Arriba, Rio Grande
Sub-basin area
2 316,5km²
Upstream area
2 316,5km²
Discharge
7,13m³/s
Mean elev.
2 873m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 2090.0 km²90.2% of basin
- 131.1 km²5.7% of basin
- 80.8 km²3.5% of basin
- 13.4 km²0.6% of basin
- 2.2 km²0.1% of basin
6 intersecting protected areas
South San Juan
IUCN IbWilderness
324.39 km² overlap
Alamosa
IUCN IVNational Wildlife Refuge
7.83 km² overlap
Hot Creek
IUCN IaResearch Natural Area
7.52 km² overlap
Reserve Program
1.23 km² overlap
Merson
IUCN VPreserve
0.35 km² overlap
Reserve Program
0.23 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 697 distinct species · 28 728 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de la Jara Creek : 26 espèces reliées par 70 interactions GloBI sur 4 types (connectance 12.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
2,6°C
Annual rain
555mm
Moisture idx (CMI)
-0,36
Runoff
112mm/an
PET
931mm
AET
423mm
Mean slope
7,9°
Water table
630cm
Forest
62%
Crops
13%
Urban
0%
Protected
26%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)