Ontologia

HydroLAKES lake · #1520

Guiers

Natural lakeSenegalAfrica 2 m

Surface area

221,01km²

Avg depth

3,6m

Volume

789,67km³

Shoreline

384km

Administrative coverage

Parent watershed

hybas-1080579450551 km² · upstream 43502 km²

2 dept-equivalent regions (GADM L2)

  • Dagana
    Saint-Louis · Senegal
    147.82 km²
    67.1% of lake
  • Louga
    Louga · Senegal
    72.43 km²
    32.9% of lake

2 intersecting protected areas

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

Species present

436 distinct species · 3 875 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 875 obs · 8 cellules
Obs. / cellule
≥ 1 786
1 786–1 785
462–1 785
256–461
< 256

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

Ecological tissue

Sample of 26 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 Guiers : 19 espèces reliées par 28 interactions GloBI sur 4 types (connectance 8.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
28
Connectance
0.086
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

221,01km²

Avg depth

3,6m

Volume

789,670km³

Watershed

44 989km²

Shoreline

384,0km

Shore dev. idx

7,29

Residence time

217days

Elevation

2m

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