Ontologia

Subdivision · DEU

Havelberg

Germany

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

Species observed

1 883

Observations

15 293

Area

149,9km²

Ecological tissue

Sample of 42 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 Havelberg : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 91 interactions GloBI sur 4 types (connectance 10.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
91
Connectance
0.101
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

1 883 distinct species · 15 293 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

15 293 obs · 6 cellules
Obs. / cellule
≥ 5 454
5 454–5 453
4 658–5 453
2 150–4 657
< 2 150

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

591mm

Warmest m°

23,1°C

Coldest m°

-1,5°C

Elevation: 31 m on average (min 23 m, max 55 m)

Bioclimatic detailsExpert
Annual mean temp.
9,4°C
Annual rain
591mm
Warmest month
23,1°C
Coldest month
-1,5°C
Mean alt.
31m
Min
23m
Max
55m
Std. dev.
9m
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

5,7

Org. C

41,5g/kg

Clay

10,2%

Sand

76,9%

Silt

12,9%

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

Dominant lithology: suGLiMaggregated to Stendal

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
64,4g/kg
Clay
11,0%
Sand
76,3%
Silt
12,7%
5–15 cm
pH H₂O
5,7
Org. C
34,3g/kg
Clay
7,7%
Sand
79,4%
Silt
12,9%
15–30 cm
pH H₂O
5,8
Org. C
25,9g/kg
Clay
11,8%
Sand
75,0%
Silt
13,2%

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

Land cover

Forest29.7%
Crops44.6%
Built-up0.5%
Bare soil0.6%
Other (grassland, water…)24.6%

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

Hydrology5 basins · 1 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

43,5km

Lake surface here

0,33km²

Basins crossed

5

Max stream order

7

Max drainage

122 384km²

Discharge in basins

54,9m³/s

Mean precip.

549mm/an

Mean T°

8,8°C

Moisture idx

-0,22

Max snow

17%

Mean runoff

132mm/an

Mean elev. (basins)

36m

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

48,6%

Pesticides

36,5kg/km²

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

Protected areas21

IUCN Not Reported · 10IUCN Not Assigned · 4IUCN IV · 4IUCN V · 3

Unteres Elbtal

IUCN Not Reported

Special Protection Area (Birds Directive) · 1997

532 km²

Complete list

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