Ontologia

HydroBASINS lev08 watershed · #7080527730

Bassin de Sacramento 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 1 administrative regions : Shasta

44% lakePfafstetter: 77449507

Sub-basin area

482,8km²

Upstream area

19 323,8km²

Discharge

133,5m³/s

Mean elev.

480m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Stillwater Creek300 km²

▲ Receives from 2 basins

1 dept-equivalent regions (GADM L2)

3 intersecting protected areas

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

Species present

2 151 distinct species · 263 910 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

263 910 obs · 14 cellules
Obs. / cellule
≥ 200 518
25 222–200 517
3 373–25 221
672–3 372
< 672

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

Ecological tissue

Sample of 37 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 Sacramento River : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 4 types (connectance 12.2%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
86
Connectance
0.122
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°

14,8°C

Annual rain

1 311mm

Moisture idx (CMI)

-0,02

Runoff

667mm/an

PET

1 337mm

AET

681mm

Mean slope

11,2°

Water table

411cm

Forest

98%

Crops

1%

Urban

19%

Protected

1%

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