Ontologia

HydroLAKES lake · #104777

Olsen Slough

Natural lakeUnited States of AmericaNorth America 451 m

Surface area

1,16km²

Avg depth

1,2m

Volume

1,41km³

Shoreline

5,6km

Administrative coverage

Parent watershed

hybas-7080339080187 km² · upstream 187 km²

1 dept-equivalent regions (GADM L2)

  • Nelson
    North Dakota · United States
    1.16 km²
    100.0% of lake

2 intersecting protected areas

  • Mcville

    IUCN V

    State Wildlife Management Area

    0.67 km² overlap

  • Nelson County

    IUCN VI

    Waterfowl Production Area

    0.32 km² overlap

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

Species present

73 distinct species · 210 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

210 obs · 1 cellules
Obs. / cellule
≥ 210
210–209
210–209
210–209
< 210

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

Ecological tissue

Sample of 19 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 Olsen Slough : 12 espèces reliées par 37 interactions GloBI sur 3 types (connectance 21.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
37
Connectance
0.216
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

1,16km²

Avg depth

1,2m

Volume

1,410km³

Watershed

111km²

Shoreline

5,6km

Shore dev. idx

1,46

Residence time

606days

Elevation

451m

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