Ontologia

County · USA

Amherst

United States

CfaTemperate, no dry season, hot summer(93 %)

Species observed

2 411

Observations

183 371

Area

1 230,5km²

Ecological tissue

Sample of 30 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 Amherst : 18 espèces reliées par 70 interactions GloBI sur 3 types (connectance 15.1%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
70
Connectance
0.150
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

2 411 distinct species · 183 371 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

183 371 obs · 37 cellules
Obs. / cellule
≥ 31 060
13 138–31 059
3 727–13 137
1 546–3 726
< 1 546

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

Climate

Mean T°

13,1°C

Annual rain

1 217mm

Warmest m°

29,6°C

Coldest m°

-2,7°C

Elevation: 344 m on average (min 149 m, max 1 098 m)

Bioclimatic detailsExpert
Annual mean temp.
13,1°C
Annual rain
1 217mm
Warmest month
29,6°C
Coldest month
-2,7°C
Mean alt.
344m
Min
149m
Max
1 098m
Std. dev.
195m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(93 %)Temperate

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

Soil & lithology

pH H₂O

5,0

Org. C

38,9g/kg

Clay

26,5%

Sand

35,3%

Silt

38,2%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
71,9g/kg
Clay
23,8%
Sand
36,8%
Silt
39,4%
5–15 cm
pH H₂O
5,0
Org. C
30,2g/kg
Clay
24,3%
Sand
36,5%
Silt
39,1%
15–30 cm
pH H₂O
5,0
Org. C
14,6g/kg
Clay
31,5%
Sand
32,4%
Silt
36,1%

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

Land cover

Forest75.0%
Crops3.0%
Built-up0.4%
Bare soil0.1%
Other (grassland, water…)21.5%

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

Hydrology3 basins · 3 lakes · 36 rivers

Hydrology metrics for this exact territory

Stream length here

285,8km

Lake surface here

1,17km²

Basins crossed

3

Max stream order

5

Max drainage

9 745km²

Discharge in basins

56,8m³/s

Mean precip.

1 105mm/an

Mean T°

12,6°C

Moisture idx

-0,06

Max snow

4%

Mean runoff

419mm/an

Mean elev. (basins)

328m

Watersheds crossing here

Lakes (3, top by area)

Rivers / streams (36, ord ≥ 4)

24 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

38,8%

Pesticides

9,7kg/km²

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

Protected areas3

IUCN Ib · 1IUCN Not Assigned · 1IUCN III · 1

Priest

IUCN Ib

Wilderness · 2000

24 km²

Nel-Vof-4073

IUCN Not Assigned

Conservation Easement · 2015

1 km²

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