Ontologia

HydroBASINS lev08 watershed · #7080529340

Bassin de Buffalo 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 4 administrative regions : Allegheny, Armstrong, Butler, Westmoreland

Pfafstetter: 74269910

Sub-basin area

1 283,9km²

Upstream area

30 247,2km²

Discharge

580,4m³/s

Mean elev.

346m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

4 dept-equivalent regions (GADM L2)

10 intersecting protected areas

1 more protected areas
  • Point

    IUCN III

    State Park

    0.05 km² overlap

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

Species present

7 160 distinct species · 1 147 771 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 147 771 obs · 33 cellules
Obs. / cellule
≥ 216 410
110 208–216 409
24 341–110 207
12 207–24 340
< 12 207

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

Ecological tissue

Sample of 38 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 Buffalo Creek : 25 espèces reliées par 90 interactions GloBI sur 4 types (connectance 11.5%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
90
Connectance
0.115
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°

9,5°C

Annual rain

1 017mm

Moisture idx (CMI)

-0,03

Runoff

534mm/an

PET

1 049mm

AET

803mm

Mean slope

5,1°

Water table

239cm

Forest

74%

Crops

12%

Urban

25%

Protected

0%

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