Mission-Aransas National Estuarine Research Reserve
IUCN IVMarine Protected Area · 2006
751 km²
County · USA
Refugio
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
2 628
Observations
277 937
Area
1 979,6km²
Ecological tissue
Sample of 45 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 Refugio : 37 espèces reliées par 83 interactions GloBI sur 3 types (connectance 8.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
46
Interactions affichées
83
Connectance
0.080
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
2 628 distinct species · 277 937 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
21,7°C
Annual rain
949mm
Warmest m°
33,2°C
Coldest m°
10,1°C
Elevation: 13 m on average (min -2 m, max 30 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
21,7°C
Annual rain
949mm
Warmest month
33,2°C
Coldest month
10,1°C
Mean alt.
13m
Min
-2m
Max
30m
Std. dev.
7m
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
6,8
Org. C
24,5g/kg
Clay
31,6%
Sand
41,7%
Silt
26,6%
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
6,7
Org. C
42,0g/kg
Clay
30,1%
Sand
42,8%
Silt
27,1%
5–15 cm
pH H₂O
6,8
Org. C
19,1g/kg
Clay
30,3%
Sand
42,7%
Silt
27,0%
15–30 cm
pH H₂O
6,8
Org. C
12,4g/kg
Clay
34,4%
Sand
39,7%
Silt
25,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest25.1%
Crops26.4%
Built-up0.1%
Bare soil1.0%
Other (grassland, water…)47.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology10 basins · 23 lakes · 21 rivers
Hydrology metrics for this exact territory
Stream length here
295,2km
Lake surface here
9,16km²
Basins crossed
10
Max stream order
6
Max drainage
26 592km²
Discharge in basins
46,6m³/s
Mean precip.
890mm/an
Mean T°
21,5°C
Moisture idx
-0,38
Mean runoff
187mm/an
Mean elev. (basins)
35m
Watersheds crossing here
- Bassin de Medio Creeksub-area2 580 km²overlap717.41 km²36%
- Bassin de Artesian Creeksub-area382,9 km²overlap322.91 km²16%
- Bassin de Copano Creeksub-area361,3 km²overlap268.54 km²14%
- Bassin de Chiltipin Creeksub-area2 296,4 km²overlap157.50 km²8%
- Bassin de San Antonio Riversub-area2 072,5 km²overlap114.94 km²6%
- Bassin de Cavasso Creeksub-area246,3 km²overlap104.71 km²5%
- Basin #48750sub-area94,6 km²overlap87.20 km²4%
- Bassin de Gulf Intracoastal Waterwaysub-area450 km²overlap83.36 km²4%
- Basin #48730sub-area80,8 km²overlap75.10 km²4%
1 more basinssorted by overlap
Lakes (23, top by area)
- Willow Lakearea1,8 km²avg depth1.3 m
- Lake #14428area1,1 km²avg depth0.6 m
- Lac 1068325area0,9 km²avg depth1.4 m
- Lac 1068300area0,9 km²avg depth2.0 m
- Lac 1068182area0,8 km²avg depth1.5 m
- Lac 1068145area0,4 km²avg depth1.4 m
- Lac 1068143area0,3 km²avg depth1.9 m
- Lac 1068293area0,3 km²avg depth2.4 m
- Lac 1068218area0,3 km²avg depth1.6 m
14 more lakes
- Lac 1068154area0,3 km²avg depth1.5 m
- Lac 1068238area0,3 km²avg depth1.5 m
- Lac 1068166area0,2 km²avg depth0.5 m
- Lac 1068190area0,2 km²avg depth0.7 m
- Lac 1068297area0,2 km²avg depth2.1 m
- Lac 1068283area0,2 km²avg depth2.3 m
- Lac 1068329area0,2 km²avg depth1.1 m
- Lac 1068316area0,2 km²avg depth1.1 m
- Lac 1068197area0,1 km²avg depth0.6 m
- Lac 1068193area0,1 km²avg depth0.5 m
- Lac 1068188area0,1 km²avg depth1.3 m
- Lac 1068175area0,1 km²avg depth0.9 m
- Lac 1068173area0,1 km²avg depth0.5 m
- Lac 1068222area0,1 km²avg depth0.9 m
Rivers / streams (21, ord ≥ 4)
- Melon Creekord 3len here58.19 km94%total62 km
- Mission Riverord 4len here37.45 km100%total37 km
- Copano Creekord 2len here35.91 km66%total55 km
- Medio Creekord 3len here25.39 km19%total136 km
- Artesian Creekord 2len here25.38 km87%total29 km
- Sous Creekord 2len here22.74 km100%total23 km
- Aransas Riverord 4len here21.81 km37%total60 km
- Willow Creekord 2len here14.02 km100%total14 km
- Devils Runord 2len here10.01 km100%total10 km
- San Antonio Riverord 5len here8.54 km3%total317 km
- Cross Bayouord 5len here7.20 km22%total32 km
- Miller Creekord 1len here7.09 km66%total11 km
9 more river segmentssorted by Strahler order + length
- Alameda Creekord 1len here6.49 km100%total6 km
- Chocolate Swaleord 1len here5.09 km100%total5 km
- Salt Creekord 1len here3.79 km100%total4 km
- Blanco Creekord 3len here3.15 km5%total59 km
- Burgentine Creekord 2len here1.21 km13%total9 km
- Guadalupe Riverord 6len here1.10 km0%total599 km
- Salt Creekord 1len here0.47 km6%total7 km
- Schwings Bayouord 3len here0.18 km5%total3 km
- Chiltipin Creekord 5len here≈ tangenttotal75 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
11,0%
Pesticides
10,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas8
IUCN V · 4IUCN IV · 3IUCN Not Assigned · 1🌊 Marine · 5
Aransas
IUCN IVNational Wildlife Refuge
472 km²
Aransas National Wildlife Refuge
IUCN IVMarine Protected Area · 1937
472 km²
Guadalupe Delta
IUCN VWildlife Management Area
29 km²
Wetlands Reserve Program (WRP), Victoria, TX
IUCN VReserve Program · 1995
19 km²
Us-Tx-142-12
IUCN Not AssignedConservation Easement · 2015
5 km²
Complete list8 protected areas
- Mission-Aransas National Estuarine Research ReserveMarine Protected AreaIUCN IV2006751 km²
- AransasNational Wildlife RefugeIUCN IV472 km²
- Aransas National Wildlife RefugeMarine Protected AreaIUCN IV1937472 km²
- Guadalupe DeltaWildlife Management AreaIUCN V29 km²
- Wetlands Reserve Program (WRP), Victoria, TXReserve ProgramIUCN V199519 km²
- Us-Tx-142-12Conservation EasementIUCN Not Assigned20155 km²
- Wetlands Reserve Program (WRP), Refugio, TXReserve ProgramIUCN V20145 km²
- Wetlands Reserve Program (WRP), Refugio, TXReserve ProgramIUCN V4 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN