Ontologia

Subdivision · DEU

Dersum

Germany

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

Species observed

1 239

Observations

6 505

Area

28,3km²

Ecological tissue

Sample of 36 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 Dersum : 20 espèces reliées par 141 interactions GloBI sur 6 types (connectance 18.1%, filtre Serrano α=0.2). 20 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
141
Connectance
0.181
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

1 239 distinct species · 6 505 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 505 obs · 2 cellules
Obs. / cellule
≥ 4 617
4 617–4 616
4 617–4 616
4 617–4 616
< 4 617

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

Climate

Mean T°

9,6°C

Annual rain

809mm

Warmest m°

21,4°C

Coldest m°

-0,2°C

Elevation: 6 m on average (min 4 m, max 8 m)

Bioclimatic detailsExpert
Annual mean temp.
9,6°C
Annual rain
809mm
Warmest month
21,4°C
Coldest month
-0,2°C
Mean alt.
6m
Min
4m
Max
8m
Std. dev.
1m
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

5,6

Org. C

124,0g/kg

Clay

8,0%

Sand

75,7%

Silt

16,3%

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

Dominant lithology: suGLiMaggregated to Emsland

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
137,7g/kg
Clay
7,6%
Sand
76,1%
Silt
16,3%
5–15 cm
pH H₂O
5,6
Org. C
75,8g/kg
Clay
7,3%
Sand
76,9%
Silt
15,8%
15–30 cm
pH H₂O
5,6
Org. C
158,4g/kg
Clay
9,0%
Sand
74,2%
Silt
16,8%

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

Land cover

Forest9.2%
Crops67.1%
Built-up1.0%
Bare soil0.3%
Other (grassland, water…)22.4%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

9,4km

Basins crossed

2

Max stream order

5

Max drainage

9 336km²

Discharge in basins

2,2m³/s

Mean precip.

782mm/an

Mean T°

8,9°C

Moisture idx

0,13

Max snow

11%

Mean runoff

433mm/an

Mean elev. (basins)

9m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

102,3%

Pesticides

45,6kg/km²

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

Protected areas4

IUCN V · 2IUCN Not Reported · 2

Emstal

IUCN V

Landscape Protection Area · 2023

135 km²

Ems

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2018

82 km²

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