Ontologia

HydroBASINS lev08 watershed · #7080605050

Bassin de Swift 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 3 administrative regions : Chesterfield, Colonial Heights, Powhatan

16% lakePfafstetter: 73190802

Sub-basin area

464km²

Upstream area

464km²

Discharge

6,14m³/s

Mean elev.

73m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Appomattox River87 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

2 intersecting protected areas

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

Species present

2 337 distinct species · 167 080 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

167 080 obs · 13 cellules
Obs. / cellule
≥ 48 431
33 695–48 430
18 194–33 694
8 211–18 193
< 8 211

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 Swift Creek : 30 espèces reliées par 82 interactions GloBI sur 4 types (connectance 10.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
82
Connectance
0.105
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°

13,8°C

Annual rain

1 102mm

Moisture idx (CMI)

-0,10

Runoff

417mm/an

PET

1 225mm

AET

896mm

Mean slope

1,3°

Water table

75cm

Forest

83%

Crops

3%

Urban

24%

Protected

7%

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