Ontologia

HydroLAKES lake · #839

Sam Rayburn Reservoir

ReservoirUnited States of AmericaNorth America 48 m

Surface area

380,2km²

Avg depth

20,6m

Volume

7 815,6km³

Shoreline

481,6km

Administrative coverage

Parent watershed

hybas-70807372402468 km² · upstream 5559 km²

5 dept-equivalent regions (GADM L2)

  • Angelina
    Texas · United States
    132.25 km²
    34.8% of lake
  • San Augustine
    Texas · United States
    130.98 km²
    34.5% of lake
  • Jasper
    Texas · United States
    48.57 km²
    12.8% of lake
  • Nacogdoches
    Texas · United States
    48.30 km²
    12.7% of lake
  • Sabine
    Texas · United States
    19.76 km²
    5.2% of lake

Computed live · HydroLAKES × GADM × WDPA · cached after first hit.

Species present

759 distinct species · 9 713 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 713 obs · 8 cellules
Obs. / cellule
≥ 4 967
4 967–4 966
936–4 966
597–935
< 597

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

Ecological tissue

Sample of 46 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 Sam Rayburn Reservoir : 37 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 97 interactions GloBI sur 4 types (connectance 9.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
47
Interactions affichées
97
Connectance
0.090
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Lake statistics (HydroLAKES)

Surface

380,20km²

Avg depth

20,6m

Volume

7 815,600km³

Watershed

8 971km²

Shoreline

481,6km

Shore dev. idx

6,97

Residence time

1 022days

Elevation

48m

HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.