Ontologia

Subdivision · DEU

Achern

Germany

CfbTemperate, no dry season, warm summer(99 %)

Species observed

1 100

Observations

4 119

Area

64,8km²

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 Achern : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 135 interactions GloBI sur 5 types (connectance 18.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
135
Connectance
0.182
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

1 100 distinct species · 4 119 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 119 obs · 2 cellules
Obs. / cellule
≥ 2 600
2 600–2 599
2 600–2 599
2 600–2 599
< 2 600

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

Climate

Mean T°

10,8°C

Annual rain

1 286mm

Warmest m°

24,5°C

Coldest m°

-1,3°C

Elevation: 162 m on average (min 130 m, max 931 m)

Bioclimatic detailsExpert
Annual mean temp.
10,8°C
Annual rain
1 286mm
Warmest month
24,5°C
Coldest month
-1,3°C
Mean alt.
162m
Min
130m
Max
931m
Std. dev.
107m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(99 %)Temperate

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

Soil & lithology

pH H₂O

5,9

Org. C

36,6g/kg

Clay

24,4%

Sand

28,1%

Silt

47,5%

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

Dominant lithology: mtGLiMaggregated to Ortenaukreis

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
60,0g/kg
Clay
24,2%
Sand
28,2%
Silt
47,6%
5–15 cm
pH H₂O
6,0
Org. C
30,5g/kg
Clay
24,7%
Sand
27,6%
Silt
47,7%
15–30 cm
pH H₂O
6,0
Org. C
19,3g/kg
Clay
24,4%
Sand
28,4%
Silt
47,3%

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

Land cover

Forest20.6%
Crops39.2%
Built-up3.2%
Bare soil0.8%
Other (grassland, water…)36.1%

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

Hydrology2 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

25,9km

Basins crossed

2

Max stream order

3

Max drainage

46 517km²

Discharge in basins

68,4m³/s

Mean precip.

758mm/an

Mean T°

9,7°C

Moisture idx

-0,08

Max snow

23%

Mean runoff

482mm/an

Mean elev. (basins)

265m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

2,5nW

Built-up

320,9%

Pesticides

26,8kg/km²

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

Protected areas9

IUCN Not Reported · 7IUCN V · 2

Nordschwarzwald

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

360 km²

Bühlertal

IUCN V

Landscape Protection Area · 2002

59 km²

Korker Wald

IUCN Not Reported

Special Protection Area (Birds Directive) · 2007

28 km²

Complete list

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