Sicó / Alvaiázere
IUCN Not ReportedSite of Community Importance (Habitats Directive) · 2008
316 km²
Municipality · PRT
Tomar
Portugal
CsaTemperate, dry summer, hot summer(100 %)
Species observed
1 786
Observations
93 477
Area
351,2km²
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 Tomar : 25 espèces reliées par 100 interactions GloBI sur 3 types (connectance 15.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
100
Connectance
0.159
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
1 786 distinct species · 93 477 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,7°C
Annual rain
839mm
Warmest m°
29,8°C
Coldest m°
5,1°C
Elevation: 139 m on average (min 47 m, max 366 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,7°C
Annual rain
839mm
Warmest month
29,8°C
Coldest month
5,1°C
Mean alt.
139m
Min
47m
Max
366m
Std. dev.
57m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,0
Org. C
32,3g/kg
Clay
22,3%
Sand
48,7%
Silt
29,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
49,8g/kg
Clay
22,2%
Sand
47,4%
Silt
30,4%
5–15 cm
pH H₂O
6,0
Org. C
24,8g/kg
Clay
22,2%
Sand
47,1%
Silt
30,7%
15–30 cm
pH H₂O
6,0
Org. C
22,4g/kg
Clay
22,5%
Sand
51,7%
Silt
25,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest29.6%
Crops9.5%
Built-up1.4%
Bare soil2.4%
Other (grassland, water…)57.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 1 lakes · 16 rivers
Hydrology metrics for this exact territory
Stream length here
86,9km
Lake surface here
5,04km²
Basins crossed
4
Max stream order
4
Max drainage
67 431km²
Discharge in basins
29,6m³/s
Mean precip.
875mm/an
Mean T°
15,5°C
Moisture idx
-0,16
Max snow
2%
Mean runoff
352mm/an
Mean elev. (basins)
227m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (16, ord ≥ 4)
- Vala da Fábrica de Fiaçãoord 4len here13.27 km100%total13 km
- Ribeira da Beselgaord 2len here11.33 km84%total13 km
- Rio Zêzereord 4len here11.32 km6%total190 km
- Ribeira da Pereiraord 1len here9.63 km91%total11 km
- Rio Nabãoord 4len here9.35 km22%total43 km
- Ribeira de Seiçaord 2len here6.35 km37%total17 km
- Ribeira da Milheiraord 2len here5.15 km77%total7 km
- Ribeira das Pedrasord 2len here5.12 km100%total5 km
- Ribeira do Choupalord 1len here4.78 km100%total5 km
- Ribeira dos Mouchõesord 1len here3.98 km60%total7 km
- Ribª de Chão de Maçãsord 1len here2.55 km61%total4 km
- Ribeira de Cerasord 1len here1.44 km20%total7 km
4 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,8nW
Built-up
139,9%
Pesticides
29,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN