Ontologia

HydroLAKES lake · #105673

Lake Gratiot

Natural lakeUnited States of AmericaNorth America 224 m

Surface area

5,9km²

Avg depth

11m

Volume

64,67km³

Shoreline

10,5km

Administrative coverage

Parent watershed

hybas-7080351920357 km² · upstream 357 km²

1 dept-equivalent regions (GADM L2)

  • Keweenaw
    Michigan · United States
    5.92 km²
    100.0% of lake

3 intersecting protected areas

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

Species present

266 distinct species · 1 775 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 775 obs · 1 cellules
Obs. / cellule
≥ 1 775
1 775–1 774
1 775–1 774
1 775–1 774
< 1 775

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

Ecological tissue

Sample of 43 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 Lake Gratiot : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 3 types (connectance 8.6%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
78
Connectance
0.086
Patrimoniales
1
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

5,90km²

Avg depth

11,0m

Volume

64,670km³

Watershed

27km²

Shoreline

10,5km

Shore dev. idx

1,22

Residence time

1 077days

Elevation

224m

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