Río Grande San Pedro
IUCN Not ReportedEcological Conservation · 1993
885 km²
Municipality · MEX
Arcelia
México
AwTropical, savannah(100 %)
Species observed
662
Observations
2 053
Area
754,1km²
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 Arcelia : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 67 interactions GloBI sur 4 types (connectance 9.0%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
67
Connectance
0.090
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
662 distinct species · 2 053 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,6°C
Annual rain
1 175mm
Warmest m°
35,9°C
Coldest m°
17,2°C
Elevation: 772 m on average (min 322 m, max 1 590 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,6°C
Annual rain
1 175mm
Warmest month
35,9°C
Coldest month
17,2°C
Mean alt.
772m
Min
322m
Max
1 590m
Std. dev.
297m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,5
Org. C
22,2g/kg
Clay
28,2%
Sand
46,2%
Silt
25,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
31,1g/kg
Clay
26,2%
Sand
47,8%
Silt
26,0%
5–15 cm
pH H₂O
6,5
Org. C
23,3g/kg
Clay
27,3%
Sand
46,6%
Silt
26,1%
15–30 cm
pH H₂O
6,6
Org. C
12,2g/kg
Clay
31,0%
Sand
44,1%
Silt
24,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest48.6%
Crops8.2%
Built-up0.4%
Bare soil0.5%
Other (grassland, water…)42.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology6 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
44,2km
Lake surface here
9,91km²
Basins crossed
6
Max stream order
7
Max drainage
55 508km²
Discharge in basins
244,0m³/s
Mean precip.
1 140mm/an
Mean T°
25,5°C
Moisture idx
-0,40
Mean runoff
305mm/an
Mean elev. (basins)
808m
Watersheds crossing here
- Bassin de Río Balsassub-area916 km²overlap297.97 km²40%
- Basin #49950sub-area194,1 km²overlap160.33 km²21%
- Basin #49890sub-area165,6 km²overlap152.80 km²20%
- Bassin de Río Poliutlasub-area479,9 km²overlap126.64 km²17%
- Basin #51830sub-area156,1 km²overlap13.08 km²2%
- Bassin de Río Balsassub-area2 066 km²overlap3.26 km²0%
Lakes (1, top by area)
Rivers / streams (2, 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
40,6%
Pesticides
24,2kg/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