Ontologia

HydroLAKES lake · #113776

Old River

Natural lakeUnited States of AmericaNorth America 12 m

Surface area

8,97km²

Avg depth

4,4m

Volume

39,27km³

Shoreline

42,7km

Administrative coverage

Parent watershed

hybas-70807361102249 km² · upstream 2929725 km²

2 dept-equivalent regions (GADM L2)

  • Concordia
    Louisiana · United States
    5.29 km²
    59.0% of lake
  • Adams
    Mississippi · United States
    3.67 km²
    41.0% of lake

1 intersecting protected areas

  • Us-La-108-2

    IUCN Not Assigned

    Conservation Easement

    0.05 km² overlap

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

Species present

83 distinct species · 299 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

299 obs · 1 cellules
Obs. / cellule
≥ 299
299–298
299–298
299–298
< 299

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

Ecological tissue

Sample of 36 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 Old River : 28 espèces reliées par 58 interactions GloBI sur 3 types (connectance 9.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
58
Connectance
0.092
Patrimoniales
0
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

8,97km²

Avg depth

4,4m

Volume

39,270km³

Watershed

114km²

Shoreline

42,7km

Shore dev. idx

4,02

Residence time

194days

Elevation

12m

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