County · USA
Dewitt
United States
Species observed
1 710
Observations
180 130
Area
2 351,3km²
Ecological tissue
Sample of 30 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).
Indicateurs du tissu écologique
Tissu écologique de Dewitt : 18 espèces reliées par 58 interactions GloBI sur 3 types (connectance 13.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 710 distinct species · 180 130 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
21,1°C
Annual rain
964mm
Warmest m°
34,9°C
Coldest m°
8,2°C
Elevation: 86 m on average (min 38 m, max 159 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,5
Org. C
16,8g/kg
Clay
21,1%
Sand
56,5%
Silt
22,4%
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
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology8 basins · 0 lakes · 24 rivers
Hydrology metrics for this exact territory
Stream length here
357,2km
Basins crossed
8
Max stream order
5
Max drainage
13 665km²
Discharge in basins
73,5m³/s
Mean precip.
881mm/an
Mean T°
20,8°C
Moisture idx
-0,42
Mean runoff
263mm/an
Mean elev. (basins)
84m
Watersheds crossing here
- Bassin de Coleto Creeksub-area1 394,4 km²overlap679.13 km²29%
- Bassin de Guadalupe Riversub-area848,6 km²overlap391.99 km²17%
- Bassin de Sandies Creeksub-area1 855,7 km²overlap388.22 km²17%
- Bassin de Lavaca Riversub-area2 173,2 km²overlap351.36 km²15%
- Bassin de Guadalupe Riversub-area1 940 km²overlap328.20 km²14%
- Bassin de San Antonio Riversub-area2 072,5 km²overlap135.58 km²6%
- Bassin de Ecleto Creeksub-area674,4 km²overlap59.19 km²3%
- Bassin de Garcitas Creeksub-area2 628,5 km²overlap18.04 km²1%
Rivers / streams (24, ord ≥ 4)
- Guadalupe Riverord 6len here93.29 km16%total599 km
- Sandies Creekord 4len here45.45 km36%total127 km
- Irish Creekord 5len here29.02 km100%total29 km
- Yorktown Creekord 2len here22.56 km100%total23 km
- South Chicolete Creekord 2len here21.39 km100%total21 km
- Salt Creekord 3len here17.82 km72%total25 km
- Smith Creekord 3len here15.42 km100%total15 km
- Fifteenmile Creekord 3len here15.30 km40%total38 km
- Little Salt Creekord 1len here14.40 km100%total14 km
- Cabeza Creekord 5len here12.48 km29%total44 km
- Big Brushy Creekord 2len here11.55 km33%total35 km
- Oaxley Branchord 5len here9.82 km100%total10 km
12 more river segmentssorted by Strahler order + length
- Manahuilla Creekord 2len here7.31 km14%total53 km
- Thomas Creekord 1len here6.96 km100%total7 km
- McTennel Creekord 2len here6.78 km45%total15 km
- Coleto Creekord 4len here5.03 km7%total69 km
- Tonqua Creekord 2len here4.90 km100%total5 km
- Chicolete Creekord 4len here4.35 km10%total42 km
- Little Brushy Creekord 3len here3.24 km21%total15 km
- Fifteenmile Coleto Creekord 1len here2.86 km100%total3 km
- Twelvemile Creekord 2len here2.77 km100%total3 km
- Bear Creekord 1len here2.32 km81%total3 km
- Roundhouse Creekord 1len here1.16 km75%total2 km
- Peck Branchord 1len here1.07 km50%total2 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
1,7nW
Built-up
28,2%
Pesticides
7,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)