Ontologia

HydroBASINS lev08 watershed · #7080573020

Bassin de Cache 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 6 administrative regions : Colusa, Lake, Mendocino, Napa, Sonoma +1

51% lakePfafstetter: 77445004

Sub-basin area

3 534,9km²

Upstream area

3 534,9km²

Discharge

55,42m³/s

Mean elev.

479m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

6 dept-equivalent regions (GADM L2)

30 intersecting protected areas

21 more protected areas

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

Species present

4 771 distinct species · 984 800 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

984 800 obs · 96 cellules
Obs. / cellule
≥ 274 906
21 905–274 905
6 355–21 904
2 258–6 354
< 2 258

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

Ecological tissue

Sample of 29 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 Cache Creek : 20 espèces reliées par 72 interactions GloBI sur 3 types (connectance 17.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
72
Connectance
0.177
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°

13,9°C

Annual rain

790mm

Moisture idx (CMI)

-0,41

Runoff

491mm/an

PET

1 371mm

AET

556mm

Mean slope

8,5°

Water table

344cm

Forest

76%

Crops

18%

Urban

2%

Protected

5%

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