Ontologia

County · USA

Hamlin

United States

DfaCold, no dry season, hot summer(90 %)

Species observed

536

Observations

7 798

Area

1 383,3km²

Ecological tissue

Sample of 32 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 Hamlin : 25 espèces reliées par 78 interactions GloBI sur 4 types (connectance 15.7%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
78
Connectance
0.157
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

536 distinct species · 7 798 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 798 obs · 38 cellules
Obs. / cellule
≥ 1 199
835–1 198
178–834
80–177
< 80

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

Climate

Mean T°

6,7°C

Annual rain

645mm

Warmest m°

27,5°C

Coldest m°

-13,6°C

Elevation: 529 m on average (min 499 m, max 588 m)

Bioclimatic detailsExpert
Annual mean temp.
6,7°C
Annual rain
645mm
Warmest month
27,5°C
Coldest month
-13,6°C
Mean alt.
529m
Min
499m
Max
588m
Std. dev.
17m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(90 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,0

Org. C

32,9g/kg

Clay

32,5%

Sand

17,8%

Silt

49,8%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
48,8g/kg
Clay
31,9%
Sand
18,0%
Silt
50,1%
5–15 cm
pH H₂O
6,9
Org. C
30,0g/kg
Clay
32,2%
Sand
18,0%
Silt
49,8%
15–30 cm
pH H₂O
7,1
Org. C
19,9g/kg
Clay
33,3%
Sand
17,5%
Silt
49,3%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest5.4%
Crops64.1%
Built-up0.1%
Bare soil0.8%
Other (grassland, water…)29.6%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology8 basins · 30 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

113,3km

Lake surface here

81,54km²

Basins crossed

8

Max stream order

4

Max drainage

6 213km²

Discharge in basins

26,3m³/s

Mean precip.

581mm/an

Mean T°

6,1°C

Moisture idx

-0,39

Max snow

23%

Mean runoff

65mm/an

Mean elev. (basins)

534m

Watersheds crossing here

Lakes (30, top by area)

21 more lakes

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

14,2%

Pesticides

11,3kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas30

IUCN V · 28IUCN Not Assigned · 1IUCN III · 1

Opdahl

IUCN V

State Wildlife Management Area

2 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN