Ontologia

HydroBASINS lev08 watershed · #7080706780

Bassin de West Fork Trinity River

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 2 administrative regions : Dallas, Tarrant

Pfafstetter: 75140930

Sub-basin area

459,5km²

Upstream area

8 195,3km²

Discharge

31,24m³/s

Mean elev.

178m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

7 intersecting protected areas

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

Species present

3 580 distinct species · 987 853 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

987 853 obs · 12 cellules
Obs. / cellule
≥ 661 556
128 169–661 555
33 990–128 168
24 640–33 989
< 24 640

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

Ecological tissue

Sample of 40 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 West Fork Trinity River : 31 espèces reliées par 83 interactions GloBI sur 3 types (connectance 10.6%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
83
Connectance
0.106
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°

18,5°C

Annual rain

876mm

Moisture idx (CMI)

-0,37

Runoff

174mm/an

PET

1 392mm

AET

741mm

Mean slope

0,9°

Water table

117cm

Forest

31%

Crops

5%

Urban

99%

Protected

0%

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