Ontologia

HydroBASINS lev08 watershed · #7080746500

Bassin de Black 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 9 administrative regions : Forrest, George, Jackson, Jefferson Davis, Lamar +4

3% lakePfafstetter: 73290082

Sub-basin area

3 230,4km²

Upstream area

3 230,4km²

Discharge

62,15m³/s

Mean elev.

75m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

9 dept-equivalent regions (GADM L2)

1 more
  • Marion10.6 km² · 0.3%

15 intersecting protected areas

6 more protected areas

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

Species present

4 097 distinct species · 68 713 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

68 713 obs · 84 cellules
Obs. / cellule
≥ 13 618
1 493–13 617
568–1 492
373–567
< 373

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

Ecological tissue

Sample of 41 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 Black Creek : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 98 interactions GloBI sur 5 types (connectance 11.4%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
98
Connectance
0.114
Patrimoniales
2
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°

18,7°C

Annual rain

1 605mm

Moisture idx (CMI)

0,10

Runoff

621mm/an

PET

1 447mm

AET

1 191mm

Mean slope

1,2°

Water table

64cm

Forest

97%

Crops

4%

Urban

1%

Protected

4%

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