Cuenca del río Lozoya y Sierra Norte
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2014
503 km²
Subdivision · ESP
Horcajuelo de la Sierra
Spain
CsbTemperate, dry summer, warm summer(78 %)
Species observed
1 418
Observations
17 081
Area
24,3km²
Ecological tissue
Sample of 37 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 Horcajuelo de la Sierra : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 94 interactions GloBI sur 6 types (connectance 13.4%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
94
Connectance
0.134
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
1 418 distinct species · 17 081 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,2°C
Annual rain
737mm
Warmest m°
24,7°C
Coldest m°
-3,0°C
Elevation: 1 434 m on average (min 1 091 m, max 1 900 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,2°C
Annual rain
737mm
Warmest month
24,7°C
Coldest month
-3,0°C
Mean alt.
1 434m
Min
1 091m
Max
1 900m
Std. dev.
204m
Köppen-Geiger (dominant)
CsbTemperate, dry summer, warm summer(78 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,6
Org. C
50,9g/kg
Clay
22,7%
Sand
38,7%
Silt
38,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Madrid
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,6
Org. C
84,1g/kg
Clay
22,3%
Sand
38,8%
Silt
39,0%
5–15 cm
pH H₂O
6,7
Org. C
40,4g/kg
Clay
22,3%
Sand
38,8%
Silt
39,0%
15–30 cm
pH H₂O
6,7
Org. C
28,2g/kg
Clay
23,6%
Sand
38,5%
Silt
37,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest29.1%
Crops4.0%
Built-up0.1%
Bare soil3.9%
Other (grassland, water…)63.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
4,8km
Basins crossed
2
Max stream order
2
Max drainage
633km²
Discharge in basins
0,1m³/s
Mean precip.
565mm/an
Mean T°
9,3°C
Moisture idx
-0,40
Max snow
6%
Mean runoff
126mm/an
Mean elev. (basins)
1 330m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
5,0%
Pesticides
38,5kg/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