NNN-NB
IUCN Not AssignedNature Reserves owned by professional nature management organizations · 2015
1 317 km²
Municipality · NLD
Dordrecht
Netherlands
CfbTemperate, no dry season, warm summer(100 %)
Species observed
6 522
Observations
817 996
Area
102,1km²
Ecological tissue
Sample of 43 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 Dordrecht : 35 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 117 interactions GloBI sur 6 types (connectance 13.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
43
Interactions affichées
117
Connectance
0.130
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
6 522 distinct species · 817 996 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,3°C
Annual rain
899mm
Warmest m°
21,8°C
Coldest m°
0,7°C
Elevation: 0 m on average (min -4 m, max 6 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,3°C
Annual rain
899mm
Warmest month
21,8°C
Coldest month
0,7°C
Mean alt.
0m
Min
-4m
Max
6m
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
6,4
Org. C
63,3g/kg
Clay
38,4%
Sand
14,9%
Silt
46,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,4
Org. C
75,0g/kg
Clay
37,4%
Sand
15,7%
Silt
46,9%
5–15 cm
pH H₂O
6,5
Org. C
43,2g/kg
Clay
38,8%
Sand
15,0%
Silt
46,2%
15–30 cm
pH H₂O
6,5
Org. C
71,8g/kg
Clay
39,1%
Sand
14,0%
Silt
46,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest11.4%
Crops24.8%
Built-up4.7%
Bare soil0.6%
Other (grassland, water…)58.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 4 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
28,3km
Lake surface here
0,97km²
Basins crossed
3
Max stream order
6
Max drainage
32 771km²
Discharge in basins
21,2m³/s
Mean precip.
783mm/an
Mean T°
9,6°C
Moisture idx
0,14
Max snow
11%
Mean runoff
464mm/an
Mean elev. (basins)
3m
Watersheds crossing here
Lakes (4, top by area)
Rivers / streams (10, ord ≥ 4)
- Nieuwe Merwedeord 6len here12.88 km71%total18 km
- Gemeentehavenord 3len here6.60 km83%total8 km
- Industriehaven Avelingen-Oostord 3len here2.70 km26%total10 km
- Noorderdiepord 1len here1.90 km100%total2 km
- Beneden-Merwedeord 3len here1.55 km43%total4 km
- Oude Maasord 3len here1.26 km5%total24 km
- Otterkanaalord 1len here0.70 km101%total1 km
- Eerste Merwedehavenord 1len here0.66 km96%total1 km
- Giessenord 4len here0.10 km1%total18 km
- Dordtsche Kilord 2len here≈ tangenttotal5 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
6hab/km²
Night light
9,3nW
Built-up
466,1%
Pesticides
53,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas10
IUCN Not Reported · 3IUCN IV · 3IUCN Not Assigned · 2IUCN II · 2🌊 Marine · 10
NNN-ZH
IUCN Not AssignedNature Reserves owned by professional nature management organizations · 2014
450 km²
Biesbosch
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2013
96 km²
Biesbosch
IUCN IVNature Conservation Act · 1996
96 km²
Biesbosch
IUCN IIWetland of International Importance (Ramsar Site) · 1980
96 km²
Biesbosch
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 1996
95 km²
Complete list10 protected areas
- NNN-NBNature Reserves owned by professional nature management organizationsIUCN Not Assigned20151 317 km²
- NNN-ZHNature Reserves owned by professional nature management organizationsIUCN Not Assigned2014450 km²
- BiesboschSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201396 km²
- BiesboschNature Conservation ActIUCN IV199696 km²
- BiesboschWetland of International Importance (Ramsar Site)IUCN II198096 km²
- BiesboschSpecial Protection Area (Birds Directive)IUCN Not Reported199695 km²
- De BiesboschNational ParkIUCN II199490 km²
- Hollands DiepNature Conservation ActIUCN IV200342 km²
- Hollands DiepWetland of International Importance (Ramsar Site)IUCN IV200042 km²
- Hollands DiepSpecial Protection Area (Birds Directive)IUCN Not Reported200041 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN