Ontologia

HydroBASINS lev08 watershed · #7080041100

Bassin de Gunpowder Falls

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 : Baltimore, Carroll, Harford, York

10% lakePfafstetter: 73170020

Sub-basin area

1 052,1km²

Upstream area

1 052,1km²

Discharge

21,54m³/s

Mean elev.

168m

Administrative coverage

4 dept-equivalent regions (GADM L2)

30 intersecting protected areas

21 more protected areas

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

Species present

5 024 distinct species · 1 312 011 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 312 011 obs · 29 cellules
Obs. / cellule
≥ 372 127
117 353–372 126
42 080–117 352
18 336–42 079
< 18 336

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

Ecological tissue

Sample of 33 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 Gunpowder Falls : 24 espèces reliées par 71 interactions GloBI sur 4 types (connectance 12.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
71
Connectance
0.127
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°

11,7°C

Annual rain

1 121mm

Moisture idx (CMI)

0,03

Runoff

520mm/an

PET

1 083mm

AET

847mm

Mean slope

3,4°

Water table

221cm

Forest

76%

Crops

21%

Urban

10%

Protected

5%

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