Rio Paiva
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2008
145 km²
Commune · PRT
Várzea Do Douro
Portugal
CsbTemperate, dry summer, warm summer(71 %)
Species observed
325
Observations
2 318
Area
4,8km²
Ecological tissue
Sample of 39 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 Várzea Do Douro : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 97 interactions GloBI sur 6 types (connectance 13.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
97
Connectance
0.131
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
325 distinct species · 2 318 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,0°C
Annual rain
1 446mm
Warmest m°
27,4°C
Coldest m°
4,3°C
Elevation: 113 m on average (min 58 m, max 157 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,0°C
Annual rain
1 446mm
Warmest month
27,4°C
Coldest month
4,3°C
Mean alt.
113m
Min
58m
Max
157m
Std. dev.
18m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(71 %)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
35,2g/kg
Clay
15,8%
Sand
48,8%
Silt
35,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: wbGLiMaggregated to Marco de Canaveses
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,4
Org. C
52,2g/kg
Clay
14,3%
Sand
49,2%
Silt
36,5%
5–15 cm
pH H₂O
5,4
Org. C
30,6g/kg
Clay
13,6%
Sand
49,7%
Silt
36,7%
15–30 cm
pH H₂O
5,4
Org. C
22,8g/kg
Clay
19,5%
Sand
47,5%
Silt
33,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest19.0%
Crops5.6%
Built-up5.4%
Bare soil4.1%
Other (grassland, water…)65.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
2,0km
Basins crossed
3
Max stream order
7
Max drainage
92 773km²
Discharge in basins
283,0m³/s
Mean precip.
1 148mm/an
Mean T°
14,4°C
Moisture idx
0,10
Max snow
4%
Mean runoff
832mm/an
Mean elev. (basins)
235m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
6,9nW
Built-up
537,2%
Pesticides
38,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1🌊 Marine · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN