Lower Rio Grande Valley National Wildlife Refuge
IUCN IVMarine Protected Area · 1979
397 km²
Municipality · MEX
Gustavo Díaz Ordaz
México
BShArid, steppe, hot(100 %)
Species observed
284
Observations
673
Area
432,2km²
Ecological tissue
Sample of 46 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 Gustavo Díaz Ordaz : 35 espèces reliées par 90 interactions GloBI sur 3 types (connectance 8.7%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
46
Interactions affichées
90
Connectance
0.087
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
284 distinct species · 673 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
24,2°C
Annual rain
552mm
Warmest m°
36,8°C
Coldest m°
12,3°C
Elevation: 62 m on average (min 38 m, max 108 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
24,2°C
Annual rain
552mm
Warmest month
36,8°C
Coldest month
12,3°C
Mean alt.
62m
Min
38m
Max
108m
Std. dev.
19m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,9
Org. C
12,2g/kg
Clay
26,5%
Sand
46,3%
Silt
27,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,8
Org. C
16,9g/kg
Clay
25,3%
Sand
47,1%
Silt
27,6%
5–15 cm
pH H₂O
7,9
Org. C
11,5g/kg
Clay
25,6%
Sand
46,9%
Silt
27,4%
15–30 cm
pH H₂O
8,0
Org. C
8,2g/kg
Clay
28,5%
Sand
45,0%
Silt
26,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest7.0%
Crops40.0%
Built-up0.4%
Bare soil3.6%
Other (grassland, water…)49.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
16,6km
Basins crossed
3
Max stream order
7
Max drainage
470 916km²
Discharge in basins
20,6m³/s
Mean precip.
594mm/an
Mean T°
23,4°C
Moisture idx
-0,65
Mean runoff
19mm/an
Mean elev. (basins)
100m
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
0,6nW
Built-up
41,8%
Pesticides
14,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN IV · 2🌊 Marine · 2
Lower Rio Grande Valley
IUCN IVNational Wildlife Refuge
391 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN