Ontologia

County · USA

Nemaha

United States

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

Species observed

1 371

Observations

13 136

Area

1 867,8km²

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 Nemaha : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 82 interactions GloBI sur 4 types (connectance 11.1%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
82
Connectance
0.111
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

1 371 distinct species · 13 136 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 136 obs · 51 cellules
Obs. / cellule
≥ 4 166
308–4 165
89–307
64–88
< 64

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

Climate

Mean T°

11,9°C

Annual rain

913mm

Warmest m°

31,0°C

Coldest m°

-6,3°C

Elevation: 381 m on average (min 313 m, max 421 m)

Bioclimatic detailsExpert
Annual mean temp.
11,9°C
Annual rain
913mm
Warmest month
31,0°C
Coldest month
-6,3°C
Mean alt.
381m
Min
313m
Max
421m
Std. dev.
21m
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

19,9g/kg

Clay

38,4%

Sand

8,7%

Silt

52,9%

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
26,0g/kg
Clay
37,7%
Sand
8,8%
Silt
53,4%
5–15 cm
pH H₂O
6,2
Org. C
20,1g/kg
Clay
37,9%
Sand
8,8%
Silt
53,3%
15–30 cm
pH H₂O
6,3
Org. C
13,5g/kg
Clay
39,6%
Sand
8,4%
Silt
52,0%

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

Land cover

Forest8.6%
Crops56.6%
Built-up0.2%
Bare soil0.3%
Other (grassland, water…)34.3%

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

Hydrology9 basins · 4 lakes · 17 rivers

Hydrology metrics for this exact territory

Stream length here

232,3km

Lake surface here

1,99km²

Basins crossed

9

Max stream order

4

Max drainage

3 668km²

Discharge in basins

13,1m³/s

Mean precip.

869mm/an

Mean T°

11,5°C

Moisture idx

-0,24

Max snow

8%

Mean runoff

191mm/an

Mean elev. (basins)

373m

Watersheds crossing here

Lakes (4, top by area)

Rivers / streams (17, ord ≥ 4)

5 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

22,8%

Pesticides

13,3kg/km²

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

Protected areas2

IUCN V · 2

Nemaha

IUCN V

Wildlife Area · 1939

3 km²

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