Ontologia

HydroBASINS lev08 watershed · #7080544790

Bassin de McMahon 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 : Belmont, Greene, Marshall, Ohio

Pfafstetter: 74269559

Sub-basin area

660,5km²

Upstream area

65 310,9km²

Discharge

1 218,16m³/s

Mean elev.

337m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Ohio River26 km²

▲ Receives from 2 basins

4 dept-equivalent regions (GADM L2)

4 intersecting protected areas

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

Species present

1 527 distinct species · 36 502 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

36 502 obs · 20 cellules
Obs. / cellule
≥ 12 823
9 059–12 822
1 022–9 058
691–1 021
< 691

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

Ecological tissue

Sample of 36 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 McMahon Creek : 24 espèces reliées par 95 interactions GloBI sur 4 types (connectance 15.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
95
Connectance
0.151
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°

10,2°C

Annual rain

1 055mm

Moisture idx (CMI)

-0,01

Runoff

433mm/an

PET

1 071mm

AET

834mm

Mean slope

7,3°

Water table

299cm

Forest

93%

Crops

21%

Urban

6%

Protected

0%

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