Ontologia

HydroBASINS lev08 watershed · #7080041690

Bassin de South Branch Lagrange 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 2 administrative regions : Essex, Middlesex

Coastal basinPfafstetter: 73190303

Sub-basin area

330,6km²

Upstream area

330,6km²

Discharge

3,73m³/s

Mean elev.

19m

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

1 282 distinct species · 38 861 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

38 861 obs · 7 cellules
Obs. / cellule
≥ 18 368
18 368–18 367
2 603–18 367
2 481–2 602
< 2 481

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

Ecological tissue

Sample of 39 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 South Branch Lagrange Creek : 30 espèces reliées par 80 interactions GloBI sur 4 types (connectance 9.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
80
Connectance
0.098
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°

14,3°C

Annual rain

1 092mm

Moisture idx (CMI)

-0,06

Runoff

411mm/an

PET

1 157mm

AET

871mm

Mean slope

1,2°

Water table

48cm

Forest

84%

Crops

21%

Urban

0%

Protected

0%

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