Ontologia

HydroBASINS lev08 watershed · #7080726760

Bassin de East Fork Angelina 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 4 administrative regions : Cherokee, Nacogdoches, Rusk, Smith

5% lakePfafstetter: 75120466

Sub-basin area

1 651,5km²

Upstream area

1 651,5km²

Discharge

16,96m³/s

Mean elev.

132m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Angelina River2468 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

4 dept-equivalent regions (GADM L2)

1 intersecting protected areas

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

Species present

1 646 distinct species · 16 438 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

16 438 obs · 39 cellules
Obs. / cellule
≥ 5 211
1 240–5 210
265–1 239
161–264
< 161

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 East Fork Angelina River : 33 espèces reliées par 81 interactions GloBI sur 4 types (connectance 9.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
81
Connectance
0.094
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°

18,2°C

Annual rain

1 153mm

Moisture idx (CMI)

-0,19

Runoff

328mm/an

PET

1 424mm

AET

973mm

Mean slope

1,6°

Water table

116cm

Forest

69%

Crops

20%

Urban

1%

Protected

0%

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