Municipality · MEX
Altar
México
Species observed
391
Observations
1 020
Area
4 454,8km²
Ecological tissue
Sample of 50 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).
Indicateurs du tissu écologique
Tissu écologique de Altar : 35 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 119 interactions GloBI sur 5 types (connectance 9.0%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
391 distinct species · 1 020 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
21,3°C
Annual rain
380mm
Warmest m°
36,8°C
Coldest m°
5,5°C
Elevation: 711 m on average (min 344 m, max 1 424 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,7
Org. C
5,5g/kg
Clay
15,9%
Sand
60,3%
Silt
23,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vbGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology13 basins · 1 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
346,3km
Lake surface here
0,79km²
Basins crossed
13
Max stream order
5
Max drainage
17 623km²
Discharge in basins
11,5m³/s
Mean precip.
323mm/an
Mean T°
19,4°C
Moisture idx
-0,81
Mean runoff
35mm/an
Mean elev. (basins)
736m
Watersheds crossing here
- Bassin de Río Seco/Sasabesub-area2 157,8 km²overlap1067.25 km²24%
- Bassin de El Plomosub-area945,6 km²overlap882.41 km²20%
- Bassin de Vamori Washsub-area2 135,8 km²overlap509.39 km²11%
- Basin #41220sub-area609,3 km²overlap500.36 km²11%
- Basin #41170sub-area427,8 km²overlap419.27 km²9%
- Bassin de Chukut Kuk Washsub-area818,7 km²overlap256.07 km²6%
- Bassin de Río Magdalenasub-area2 067,6 km²overlap213.41 km²5%
- Bassin de Río Sonoytasub-area594,2 km²overlap176.91 km²4%
- Bassin de Río Asuncionsub-area984,6 km²overlap130.96 km²3%
Lakes (1, top by area)
Rivers / streams (7, ord ≥ 4)
- Río Seco/Sasabeord 5len here149.65 km70%total214 km
- El Plomoord 4len here96.26 km67%total144 km
- Vamori Washord 5len here56.74 km46%total124 km
- Río Altarord 5len here20.34 km12%total175 km
- Río Magdalenaord 5len here14.10 km4%total319 km
- Arroyo El Fresnalord 3len here6.20 km7%total85 km
- Chukut Kuk Washord 5len here3.04 km5%total63 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
3,5%
Pesticides
3,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)