Ontologia

Commune · ITA

Challand-Saint-Anselme

Italy

DfbCold, no dry season, warm summer(53 %)

Species observed

1 067

Observations

3 799

Area

28,1km²

Ecological tissue

Sample of 27 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 Challand-Saint-Anselme : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 5 types (connectance 17.0%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
90
Connectance
0.171
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

1 067 distinct species · 3 799 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 799 obs · 5 cellules
Obs. / cellule
≥ 1 505
1 505–1 504
1 060–1 504
845–1 059
< 845

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

Climate

Mean T°

3,6°C

Annual rain

1 186mm

Warmest m°

17,6°C

Coldest m°

-10,8°C

Elevation: 1 666 m on average (min 899 m, max 2 596 m)

Bioclimatic detailsExpert
Annual mean temp.
3,6°C
Annual rain
1 186mm
Warmest month
17,6°C
Coldest month
-10,8°C
Mean alt.
1 666m
Min
899m
Max
2 596m
Std. dev.
498m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(53 %)Cold

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

Soil & lithology

pH H₂O

6,4

Org. C

67,1g/kg

Clay

21,6%

Sand

39,0%

Silt

39,4%

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

Dominant lithology: mtGLiMaggregated to Aosta

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
110,8g/kg
Clay
21,9%
Sand
38,6%
Silt
39,5%
5–15 cm
pH H₂O
6,4
Org. C
59,6g/kg
Clay
20,3%
Sand
39,5%
Silt
40,1%
15–30 cm
pH H₂O
6,5
Org. C
31,1g/kg
Clay
22,7%
Sand
38,7%
Silt
38,5%

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

Land cover

Forest45.8%
Crops1.8%
Built-up0.3%
Bare soil8.8%
Other (grassland, water…)43.3%

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

Hydrology3 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

8,3km

Basins crossed

3

Max stream order

2

Max drainage

2 527km²

Discharge in basins

0,8m³/s

Mean precip.

1 601mm/an

Mean T°

1,3°C

Moisture idx

0,65

Max snow

43%

Mean runoff

946mm/an

Mean elev. (basins)

2 162m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,8nW

Built-up

34,4%

Pesticides

69,4kg/km²

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