Ontologia

Subdivision · DEU

Harsum

Germany

CfbTemperate, no dry season, warm summer(100 %)

Species observed

1 078

Observations

5 348

Area

50,1km²

Ecological tissue

Sample of 32 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 Harsum : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 120 interactions GloBI sur 6 types (connectance 18.0%, filtre Serrano α=0.2). 19 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
120
Connectance
0.180
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

1 078 distinct species · 5 348 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 348 obs · 2 cellules
Obs. / cellule
≥ 2 729
2 729–2 728
2 729–2 728
2 729–2 728
< 2 729

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

Climate

Mean T°

9,4°C

Annual rain

720mm

Warmest m°

22,4°C

Coldest m°

-1,1°C

Elevation: 81 m on average (min 68 m, max 97 m)

Bioclimatic detailsExpert
Annual mean temp.
9,4°C
Annual rain
720mm
Warmest month
22,4°C
Coldest month
-1,1°C
Mean alt.
81m
Min
68m
Max
97m
Std. dev.
8m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,9

Org. C

30,0g/kg

Clay

25,2%

Sand

18,8%

Silt

56,1%

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

Dominant lithology: smGLiMaggregated to Hildesheim

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
47,9g/kg
Clay
23,5%
Sand
19,8%
Silt
56,7%
5–15 cm
pH H₂O
6,9
Org. C
23,1g/kg
Clay
24,4%
Sand
18,2%
Silt
57,4%
15–30 cm
pH H₂O
7,0
Org. C
19,1g/kg
Clay
27,7%
Sand
18,3%
Silt
54,1%

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

Land cover

Forest7.4%
Crops74.0%
Built-up1.7%
Bare soil0.3%
Other (grassland, water…)16.6%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

12,8km

Basins crossed

1

Max stream order

2

Max drainage

1 309km²

Discharge in basins

0,4m³/s

Mean precip.

763mm/an

Mean T°

8,1°C

Moisture idx

0,05

Max snow

15%

Mean runoff

284mm/an

Mean elev. (basins)

202m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

1,3nW

Built-up

166,4%

Pesticides

29,8kg/km²

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

Protected areas8

IUCN V · 8
Complete list

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