Ontologia

HydroBASINS lev08 watershed · #7080057630

Bassin de Davidson 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 1 administrative regions : Skeena-Queen Charlotte

Coastal basinPfafstetter: 78300013

Sub-basin area

328,3km²

Upstream area

328,3km²

Discharge

6,95m³/s

Mean elev.

164m

Administrative coverage

1 dept-equivalent regions (GADM L2)

3 intersecting protected areas

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

Species present

203 distinct species · 2 116 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 116 obs · 5 cellules
Obs. / cellule
≥ 1 284
1 284–1 283
676–1 283
147–675
< 147

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

Ecological tissue

Sample of 32 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 Davidson Creek : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 60 interactions GloBI sur 4 types (connectance 11.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
60
Connectance
0.114
Patrimoniales
2
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°

7,0°C

Annual rain

1 840mm

Moisture idx (CMI)

0,74

Runoff

1 367mm/an

PET

473mm

AET

468mm

Mean slope

6,5°

Water table

276cm

Forest

38%

Crops

0%

Urban

0%

Protected

41%

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