Ontologia

HydroBASINS lev08 watershed · #7080520120

Bassin de Trinity 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 : Shasta, Siskiyou, Trinity

27% lakePfafstetter: 77480209

Sub-basin area

1 389,9km²

Upstream area

1 390km²

Discharge

30,84m³/s

Mean elev.

1 485m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Trinity River1201 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

4 intersecting protected areas

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

Species present

2 498 distinct species · 30 462 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

30 462 obs · 39 cellules
Obs. / cellule
≥ 4 333
1 792–4 332
953–1 791
363–952
< 363

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

Ecological tissue

Sample of 43 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 Trinity River : 27 espèces reliées par 103 interactions GloBI sur 5 types (connectance 10.4%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
103
Connectance
0.104
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°

7,4°C

Annual rain

993mm

Moisture idx (CMI)

-0,04

Runoff

692mm/an

PET

1 047mm

AET

587mm

Mean slope

17,3°

Water table

590cm

Forest

99%

Crops

0%

Urban

0%

Protected

31%

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