Ontologia

HydroLAKES lake · #109361

Grass Lake

Natural lakeUnited States of AmericaNorth America 180 m

Surface area

1,22km²

Avg depth

3,2m

Volume

3,95km³

Shoreline

4,9km

Administrative coverage

Parent watershed

hybas-7080408900831 km² · upstream 831 km²

1 dept-equivalent regions (GADM L2)

  • Alpena
    Michigan · United States
    1.22 km²
    100.0% of lake

2 intersecting protected areas

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

Species present

285 distinct species · 544 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

544 obs · 1 cellules
Obs. / cellule
≥ 544
544–543
544–543
544–543
< 544

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

Ecological tissue

Sample of 53 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 Grass Lake : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 116 interactions GloBI sur 4 types (connectance 8.4%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
53
Interactions affichées
116
Connectance
0.084
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

1,22km²

Avg depth

3,2m

Volume

3,950km³

Watershed

3km²

Shoreline

4,9km

Shore dev. idx

1,25

Residence time

2 854days

Elevation

180m

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