Ontologia

HydroBASINS lev08 watershed · #7080548690

Bassin de Big Chico 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 3 administrative regions : Butte, Glenn, Tehama

Pfafstetter: 77449301

Sub-basin area

456,9km²

Upstream area

31 482,8km²

Discharge

307,02m³/s

Mean elev.

494m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

3 dept-equivalent regions (GADM L2)

15 intersecting protected areas

6 more protected areas

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

Species present

3 589 distinct species · 242 182 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

242 182 obs · 14 cellules
Obs. / cellule
≥ 86 516
61 179–86 515
12 725–61 178
11 635–12 724
< 11 635

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

Ecological tissue

Sample of 39 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 Big Chico Creek : 31 espèces reliées par 97 interactions GloBI sur 4 types (connectance 12.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
97
Connectance
0.124
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°

14,2°C

Annual rain

882mm

Moisture idx (CMI)

-0,32

Runoff

405mm/an

PET

1 312mm

AET

596mm

Mean slope

7,5°

Water table

323cm

Forest

85%

Crops

7%

Urban

12%

Protected

3%

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