Mission-Aransas National Estuarine Research Reserve
IUCN IVMarine Protected Area · 2006
751 km²
County · USA
Nueces
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
4 166
Observations
1 215 364
Area
2 204,4km²
Ecological tissue
Sample of 31 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 Nueces : 21 espèces reliées par 57 interactions GloBI sur 3 types (connectance 12.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
57
Connectance
0.123
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
4 166 distinct species · 1 215 364 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,3°C
Annual rain
797mm
Warmest m°
33,5°C
Coldest m°
11,1°C
Elevation: 17 m on average (min -14 m, max 43 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
22,3°C
Annual rain
797mm
Warmest month
33,5°C
Coldest month
11,1°C
Mean alt.
17m
Min
-14m
Max
43m
Std. dev.
10m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,4
Org. C
16,3g/kg
Clay
37,7%
Sand
38,0%
Silt
24,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,4
Org. C
24,4g/kg
Clay
36,5%
Sand
38,8%
Silt
24,7%
5–15 cm
pH H₂O
7,4
Org. C
13,3g/kg
Clay
36,9%
Sand
38,6%
Silt
24,4%
15–30 cm
pH H₂O
7,5
Org. C
11,2g/kg
Clay
39,8%
Sand
36,7%
Silt
23,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.8%
Crops56.8%
Built-up2.3%
Bare soil1.6%
Other (grassland, water…)32.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology6 basins · 13 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
214,8km
Lake surface here
12,06km²
Basins crossed
6
Max stream order
6
Max drainage
43 568km²
Discharge in basins
10,5m³/s
Mean precip.
730mm/an
Mean T°
22,1°C
Moisture idx
-0,50
Mean runoff
82mm/an
Mean elev. (basins)
42m
Watersheds crossing here
- Bassin de Petronila Creeksub-area2 710,8 km²overlap927.12 km²42%
- Bassin de Oso Creeksub-area1 394,8 km²overlap810.08 km²37%
- Bassin de Nueces Riversub-area683,6 km²overlap190.83 km²9%
- Bassin de Santa Gertrudis Creeksub-area2 484,9 km²overlap172.78 km²8%
- Bassin de Gulf Intracoastal Waterwaysub-area724,9 km²overlap101.77 km²5%
- Bassin de Gulf Intracoastal Waterwaysub-area450 km²overlap1.44 km²0%
Lakes (13, top by area)
- Laguna Largaarea13,3 km²avg depth1.0 m
- Barney M Davis Reservoirarea3,2 km²avg depth1.1 m
- Lake #14518area2,4 km²avg depth1.4 m
- Lake #14466area1,3 km²avg depth0.6 m
- Lake #14470area1,1 km²avg depth0.7 m
- Lake #14477area1 km²avg depth1.8 m
- Lac 1068758area0,4 km²avg depth1.9 m
- Lac 1068750area0,3 km²avg depth1.0 m
- Lac 1068644area0,2 km²avg depth1.2 m
Rivers / streams (11, ord ≥ 4)
- Petronila Creekord 4len here71.09 km77%total93 km
- Oso Creekord 3len here62.56 km98%total64 km
- Pintas Creekord 4len here16.99 km100%total17 km
- Cayamon Creekord 1len here12.13 km96%total13 km
- Nueces Riverord 6len here11.12 km1%total948 km
- San Fernando Creekord 4len here10.11 km13%total80 km
- West Oso Creekord 3len here8.30 km100%total8 km
- Banquete Creekord 3len here7.66 km100%total8 km
- Agua Dulce Creekord 3len here6.37 km100%total6 km
- Cayo de Osoord 1len here4.42 km100%total4 km
- San Fernando Creekord 4len here4.02 km22%total19 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
6,4nW
Built-up
225,0%
Pesticides
16,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas15
IUCN V · 13IUCN IV · 2🌊 Marine · 12
Mustang Island State Park
IUCN IVMarine Protected Area · 1974
16 km²
Port Aransas Nature Preserve at Charlie's Pasture
IUCN VNature Preserve
6 km²
San Patricio
IUCN VNature Preserve
3 km²
Nueces River Delta
IUCN VEasement · 2009
2 km²
Mustang Island Macrosite Fee
IUCN VPrivate Conservation Land · 1999
1 km²
Complete list15 protected areas
- Mission-Aransas National Estuarine Research ReserveMarine Protected AreaIUCN IV2006751 km²
- Mustang Island State ParkMarine Protected AreaIUCN IV197416 km²
- Port Aransas Nature Preserve at Charlie's PastureNature PreserveIUCN V6 km²
- San PatricioNature PreserveIUCN V3 km²
- Nueces River DeltaEasementIUCN V20092 km²
- Mustang Island Macrosite FeePrivate Conservation LandIUCN V19991 km²
- Pelican IslandAudubon Society Preserve or SanctuaryIUCN V1 km²
- Shamrock Island FeePrivate Conservation LandIUCN V19951 km²
- Oso BayWetlands PreserveIUCN V1 km²
- Mustang Island MacrositePrivate Conservation LandIUCN V20150 km²
- Held HoganNature PreserveIUCN V0 km²
- Redhead PondWildlife Management AreaIUCN V0 km²
- Laguna Madre MegasiteEasementIUCN V19910 km²
- Han & Pat SuterLocal Conservation AreaIUCN V0 km²
- South Texas Botanical GardenBotanical GardensIUCN V19870 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN