Ontologia

HydroBASINS lev08 watershed · #7080056340

Bassin de Tahsish 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 2 administrative regions : Comox-Strathcona, Mount Waddington

7% lakePfafstetter: 78330360

Sub-basin area

274,7km²

Upstream area

274,7km²

Discharge

20,66m³/s

Mean elev.

529m

Administrative coverage

2 dept-equivalent regions (GADM L2)

5 intersecting protected areas

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

Species present

58 distinct species · 1 345 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 345 obs · 7 cellules
Obs. / cellule
≥ 1 243
1 243–1 242
35–1 242
17–34
< 17

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

Ecological tissue

Sample of 28 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 Tahsish River : 26 espèces reliées par 30 interactions GloBI sur 4 types (connectance 7.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
30
Connectance
0.079
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°

6,5°C

Annual rain

2 135mm

Moisture idx (CMI)

0,74

Runoff

2 582mm/an

PET

546mm

AET

519mm

Mean slope

21,8°

Water table

718cm

Forest

94%

Crops

0%

Urban

0%

Protected

38%

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