Ontologia

County · USA

Logan

United States

DfaCold, no dry season, hot summer(100 %)

Species observed

1 572

Observations

31 429

Area

1 606,8km²

Ecological tissue

Sample of 38 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 Logan : 29 espèces reliées par 74 interactions GloBI sur 3 types (connectance 10.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
74
Connectance
0.105
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

1 572 distinct species · 31 429 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

31 429 obs · 49 cellules
Obs. / cellule
≥ 10 746
832–10 745
475–831
183–474
< 183

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

Climate

Mean T°

11,6°C

Annual rain

1 026mm

Warmest m°

29,2°C

Coldest m°

-6,4°C

Elevation: 182 m on average (min 156 m, max 218 m)

Bioclimatic detailsExpert
Annual mean temp.
11,6°C
Annual rain
1 026mm
Warmest month
29,2°C
Coldest month
-6,4°C
Mean alt.
182m
Min
156m
Max
218m
Std. dev.
11m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(100 %)Cold

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

Soil & lithology

pH H₂O

6,2

Org. C

23,3g/kg

Clay

33,4%

Sand

9,1%

Silt

57,5%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
33,7g/kg
Clay
32,6%
Sand
9,5%
Silt
57,9%
5–15 cm
pH H₂O
6,2
Org. C
19,7g/kg
Clay
32,8%
Sand
9,1%
Silt
58,1%
15–30 cm
pH H₂O
6,1
Org. C
16,5g/kg
Clay
34,6%
Sand
8,8%
Silt
56,6%

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

Land cover

Forest6.3%
Crops85.3%
Built-up0.4%
Bare soil0.1%
Other (grassland, water…)7.9%

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

Hydrology10 basins · 7 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

284,8km

Lake surface here

1,73km²

Basins crossed

10

Max stream order

4

Max drainage

40 829km²

Discharge in basins

62,8m³/s

Mean precip.

948mm/an

Mean T°

11,0°C

Moisture idx

-0,14

Max snow

8%

Mean runoff

291mm/an

Mean elev. (basins)

197m

Watersheds crossing here

1 more basins

Lakes (7, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

35,5%

Pesticides

9,6kg/km²

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

Protected areas6

IUCN V · 6

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