Ontologia

HydroBASINS lev08 watershed · #7080428450

Bassin de Black 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 : Durham, Simcoe, York

243% lakePfafstetter: 72560498

Sub-basin area

521,2km²

Upstream area

521,2km²

Discharge

3,87m³/s

Mean elev.

245m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin · #708042530067 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

3 intersecting protected areas

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

Species present

2 124 distinct species · 96 827 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

96 827 obs · 14 cellules
Obs. / cellule
≥ 31 058
20 771–31 057
4 152–20 770
2 400–4 151
< 2 400

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

Ecological tissue

Sample of 35 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 Black River : 23 espèces reliées par 79 interactions GloBI sur 4 types (connectance 12.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
79
Connectance
0.125
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

818mm

Moisture idx (CMI)

-0,03

Runoff

234mm/an

PET

842mm

AET

616mm

Mean slope

1,0°

Water table

62cm

Forest

22%

Crops

32%

Urban

0%

Protected

0%

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