Lower Rio Grande Valley National Wildlife Refuge
IUCN IVMarine Protected Area · 1979
397 km²
Municipality · MEX
Reynosa
México
BShArid, steppe, hot(100 %)
Species observed
1 398
Observations
198 309
Area
3 146km²
Ecological tissue
Sample of 27 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 Reynosa : 16 espèces reliées par 62 interactions GloBI sur 2 types (connectance 15.3%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
29
Interactions affichées
62
Connectance
0.153
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
1 398 distinct species · 198 309 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
23,8°C
Annual rain
582mm
Warmest m°
35,7°C
Coldest m°
12,5°C
Elevation: 85 m on average (min 27 m, max 209 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
23,8°C
Annual rain
582mm
Warmest month
35,7°C
Coldest month
12,5°C
Mean alt.
85m
Min
27m
Max
209m
Std. dev.
37m
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
8,0
Org. C
12,9g/kg
Clay
26,4%
Sand
46,6%
Silt
27,0%
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
7,9
Org. C
16,9g/kg
Clay
25,1%
Sand
47,7%
Silt
27,3%
5–15 cm
pH H₂O
8,0
Org. C
13,3g/kg
Clay
25,6%
Sand
47,1%
Silt
27,3%
15–30 cm
pH H₂O
8,0
Org. C
8,6g/kg
Clay
28,6%
Sand
45,1%
Silt
26,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.6%
Crops42.1%
Built-up1.2%
Bare soil3.0%
Other (grassland, water…)47.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology11 basins · 2 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
112,4km
Lake surface here
2,38km²
Basins crossed
11
Max stream order
7
Max drainage
475 503km²
Discharge in basins
269,4m³/s
Mean precip.
634mm/an
Mean T°
23,3°C
Moisture idx
-0,61
Mean runoff
22mm/an
Mean elev. (basins)
60m
Watersheds crossing here
- Basin #49410sub-area2 730,4 km²overlap975.48 km²31%
- Bassin de Canal Anzaldúassub-area2 206,8 km²overlap826.04 km²26%
- Bassin de Canal Rodhesub-area959 km²overlap468.50 km²15%
- Bassin de Río Bravo / Rio Grandesub-area2 242,3 km²overlap450.59 km²14%
- Basin #49430sub-area2 132,6 km²overlap347.49 km²11%
- Bassin de Río Bravo / Rio Grandesub-area175,1 km²overlap35.34 km²1%
- Bassin de Río Bravo / Rio Grandesub-area29,1 km²overlap22.81 km²1%
- Basin #03260sub-area413,6 km²overlap11.63 km²0%
- Basin #95500sub-area795,5 km²overlap7.50 km²0%
Lakes (2, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
3,1nW
Built-up
118,2%
Pesticides
12,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN IV · 2IUCN Not Reported · 1IUCN VI · 1🌊 Marine · 2
Lower Rio Grande Valley
IUCN IVNational Wildlife Refuge
391 km²
Laguna La Escondida
IUCN Not ReportedState Park · 1997
2 km²
Reserva Natural Geococcyx
IUCN VIVoluntary Conservation Area · 2022
1 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN