HydroBASINS lev08 watershed · #7080641320
Bassin de Nacimiento 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 : Monterey, San Luis Obispo
Sub-basin area
960,9km²
Upstream area
960,9km²
Discharge
8,09m³/s
Mean elev.
460m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 525.1 km²54.6% of basin
- 435.9 km²45.4% of basin
4 intersecting protected areas
Ventana
IUCN IbWilderness
34.99 km² overlap
Conservation
IUCN Not AssignedEasement
27.23 km² overlap
Reserve Program
5.98 km² overlap
Silver Peak
IUCN IbWilderness
2.76 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 174 distinct species · 90 690 observations
Source: GBIF Occurrence snapshot 2026-05-01.
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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Nacimiento River : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 135 interactions GloBI sur 4 types (connectance 17.3%, filtre Serrano α=0.2). 13 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°
13,1°C
Annual rain
399mm
Moisture idx (CMI)
-0,70
Runoff
180mm/an
PET
1 327mm
AET
339mm
Mean slope
9,7°
Water table
471cm
Forest
77%
Crops
10%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)