Ontologia

Subdivision · DEU

Ketzin/Havel

Germany

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

Species observed

1 003

Observations

4 687

Area

93,8km²

Ecological tissue

Sample of 41 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 Ketzin/Havel : 27 espèces reliées par 117 interactions GloBI sur 5 types (connectance 14.3%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
117
Connectance
0.143
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

1 003 distinct species · 4 687 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 687 obs · 3 cellules
Obs. / cellule
≥ 2 304
2 304–2 303
2 304–2 303
1 613–2 303
< 1 613

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

Climate

Mean T°

9,5°C

Annual rain

579mm

Warmest m°

23,2°C

Coldest m°

-1,8°C

Elevation: 35 m on average (min 28 m, max 46 m)

Bioclimatic detailsExpert
Annual mean temp.
9,5°C
Annual rain
579mm
Warmest month
23,2°C
Coldest month
-1,8°C
Mean alt.
35m
Min
28m
Max
46m
Std. dev.
4m
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

6,1

Org. C

33,3g/kg

Clay

10,4%

Sand

74,2%

Silt

15,4%

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

Dominant lithology: suGLiMaggregated to Havelland

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
57,6g/kg
Clay
11,0%
Sand
73,9%
Silt
15,0%
5–15 cm
pH H₂O
6,1
Org. C
26,1g/kg
Clay
7,8%
Sand
76,6%
Silt
15,6%
15–30 cm
pH H₂O
6,3
Org. C
16,3g/kg
Clay
12,3%
Sand
72,1%
Silt
15,6%

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

Land cover

Forest8.2%
Crops64.4%
Built-up1.1%
Bare soil0.6%
Other (grassland, water…)25.7%

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

Hydrology3 basins · 4 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

22,2km

Lake surface here

4,26km²

Basins crossed

3

Max stream order

5

Max drainage

16 115km²

Discharge in basins

6,6m³/s

Mean precip.

553mm/an

Mean T°

9,1°C

Moisture idx

-0,26

Max snow

15%

Mean runoff

107mm/an

Mean elev. (basins)

40m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

1,3nW

Built-up

108,3%

Pesticides

34,0kg/km²

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

Protected areas11

IUCN Not Reported · 5IUCN V · 4IUCN IV · 2
Complete list

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