Ontologia

Municipality · NLD

Aa en Hunze

Netherlands

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

Species observed

6 765

Observations

924 022

Area

279,9km²

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 Aa en Hunze : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 129 interactions GloBI sur 5 types (connectance 18.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
129
Connectance
0.183
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

6 765 distinct species · 924 022 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

924 022 obs · 9 cellules
Obs. / cellule
≥ 231 569
231 569–231 568
153 516–231 568
78 952–153 515
< 78 952

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

877mm

Warmest m°

21,0°C

Coldest m°

-0,1°C

Elevation: 11 m on average (min 1 m, max 24 m)

Bioclimatic detailsExpert
Annual mean temp.
9,5°C
Annual rain
877mm
Warmest month
21,0°C
Coldest month
-0,1°C
Mean alt.
11m
Min
1m
Max
24m
Std. dev.
6m
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

5,4

Org. C

99,3g/kg

Clay

8,3%

Sand

71,5%

Silt

20,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
117,3g/kg
Clay
8,2%
Sand
71,7%
Silt
20,2%
5–15 cm
pH H₂O
5,5
Org. C
67,4g/kg
Clay
8,1%
Sand
71,9%
Silt
20,0%
15–30 cm
pH H₂O
5,5
Org. C
113,1g/kg
Clay
8,6%
Sand
70,9%
Silt
20,5%

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

Land cover

Forest24.5%
Crops46.4%
Built-up0.9%
Bare soil0.3%
Other (grassland, water…)28.0%

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

Hydrology3 basins · 2 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

59,1km

Lake surface here

0,80km²

Basins crossed

3

Max stream order

3

Max drainage

1 612km²

Discharge in basins

2,9m³/s

Mean precip.

791mm/an

Mean T°

8,8°C

Moisture idx

0,18

Max snow

12%

Mean runoff

467mm/an

Mean elev. (basins)

3m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,7nW

Built-up

87,2%

Pesticides

64,3kg/km²

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

Protected areas6

IUCN IV · 2IUCN Not Reported · 2IUCN Not Assigned · 1IUCN II · 1

NNN-DR

IUCN Not Assigned

Nature Reserves owned by professional nature management organizations · 2015

716 km²

Drentsche Aa-gebied

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2013

39 km²

Drouwenerzand

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2013

2 km²

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