C.A.D.N.R. 026 Bajo Río San Juan
IUCN VINatural Resources Protection Area · 2009
1 973 km²
Municipality · MEX
Rayones
México
BShArid, steppe, hot(41 %)
Species observed
965
Observations
3 477
Area
683,1km²
Ecological tissue
Sample of 38 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 Rayones : 26 espèces reliées par 79 interactions GloBI sur 3 types (connectance 10.7%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
79
Connectance
0.107
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
965 distinct species · 3 477 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,8°C
Annual rain
716mm
Warmest m°
25,0°C
Coldest m°
5,0°C
Elevation: 1 629 m on average (min 807 m, max 3 083 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,8°C
Annual rain
716mm
Warmest month
25,0°C
Coldest month
5,0°C
Mean alt.
1 629m
Min
807m
Max
3 083m
Std. dev.
471m
Köppen-Geiger (dominant)
BShArid, steppe, hot(41 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,3
Org. C
33,6g/kg
Clay
32,1%
Sand
37,2%
Silt
30,7%
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
7,3
Org. C
49,2g/kg
Clay
30,0%
Sand
38,8%
Silt
31,3%
5–15 cm
pH H₂O
7,4
Org. C
33,8g/kg
Clay
31,9%
Sand
37,2%
Silt
30,9%
15–30 cm
pH H₂O
7,4
Org. C
18,0g/kg
Clay
34,4%
Sand
35,8%
Silt
29,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest41.1%
Crops0.6%
Built-up0.1%
Bare soil2.1%
Other (grassland, water…)56.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
87,8km
Basins crossed
3
Max stream order
4
Max drainage
2 463km²
Discharge in basins
1,2m³/s
Mean precip.
661mm/an
Mean T°
17,7°C
Moisture idx
-0,56
Mean runoff
49mm/an
Mean elev. (basins)
1 474m
Watersheds crossing here
Rivers / streams (10, ord ≥ 4)
- Río Pilónord 4len here31.11 km16%total195 km
- Casillasord 3len here12.53 km100%total13 km
- Arroyo La Chicharraord 1len here9.51 km100%total10 km
- Arroyo El Álamoord 1len here7.63 km100%total8 km
- Santa Rosaord 2len here7.33 km100%total7 km
- Rio Potosíord 4len here6.14 km18%total35 km
- San Isidroord 1len here5.12 km100%total5 km
- Arroyo Potrero de las Cabrasord 1len here4.41 km100%total4 km
- Arroyo Santa Rosaord 3len here2.69 km3%total95 km
- Arroyo El Blanquilloord 1len here1.36 km87%total2 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
8,3%
Pesticides
6,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN VI · 1IUCN II · 1IUCN Not Applicable · 1
Cumbres de Monterrey
IUCN IINational Park · 2000
1 775 km²
Cumbres de Monterrey
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 2006
1 775 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN