Ontologia

HydroBASINS lev08 watershed · #7080570240

Bassin de Feather 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 : Butte, Sutter, Yuba

Pfafstetter: 77446010

Sub-basin area

724,7km²

Upstream area

16 176,7km²

Discharge

257,05m³/s

Mean elev.

29m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

3 dept-equivalent regions (GADM L2)

18 intersecting protected areas

9 more protected areas

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

Species present

1 276 distinct species · 70 294 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

70 294 obs · 19 cellules
Obs. / cellule
≥ 16 474
8 328–16 473
4 301–8 327
2 919–4 300
< 2 919

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

Ecological tissue

Sample of 36 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 Feather River : 27 espèces reliées par 85 interactions GloBI sur 4 types (connectance 12.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
85
Connectance
0.128
Patrimoniales
0
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°

16,4°C

Annual rain

512mm

Moisture idx (CMI)

-0,64

Runoff

222mm/an

PET

1 429mm

AET

432mm

Mean slope

1,1°

Water table

70cm

Forest

30%

Crops

68%

Urban

6%

Protected

4%

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