County · USA
Gregg
United States
Species observed
2 405
Observations
67 005
Area
717,6km²
Ecological tissue
Sample of 38 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 Gregg : 27 espèces reliées par 72 interactions GloBI sur 4 types (connectance 9.7%, 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
2 405 distinct species · 67 005 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,7°C
Annual rain
1 215mm
Warmest m°
34,2°C
Coldest m°
4,2°C
Elevation: 102 m on average (min 74 m, max 145 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
5,4
Org. C
17,1g/kg
Clay
17,6%
Sand
47,6%
Silt
34,7%
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)
Hydrology5 basins · 4 lakes · 25 rivers
Hydrology metrics for this exact territory
Stream length here
187,3km
Lake surface here
3,00km²
Basins crossed
5
Max stream order
5
Max drainage
8 463km²
Discharge in basins
74,7m³/s
Mean precip.
1 150mm/an
Mean T°
18,0°C
Moisture idx
-0,19
Mean runoff
364mm/an
Mean elev. (basins)
115m
Watersheds crossing here
- Bassin de Sabine Riversub-area726,6 km²overlap266.88 km²37%
- Bassin de Sabine Riversub-area459 km²overlap230.38 km²32%
- Bassin de Rabbit Creeksub-area347,6 km²overlap126.89 km²18%
- Bassin de Little Cypress Creeksub-area1 874,4 km²overlap77.52 km²11%
- Bassin de Cherokee Bayousub-area469,6 km²overlap16.12 km²2%
Lakes (4, top by area)
Rivers / streams (25, ord ≥ 4)
- Sabine Riverord 6len here67.74 km6%total1084 km
- Rabbit Creekord 3len here18.33 km57%total32 km
- Hawkins Creekord 1len here14.50 km100%total15 km
- Moody Creekord 1len here9.43 km76%total12 km
- Peavine Creekord 2len here8.50 km100%total8 km
- Glade Creekord 3len here6.66 km7%total94 km
- Little Caney Creekord 4len here5.79 km31%total19 km
- Prairie Creekord 2len here5.64 km16%total35 km
- Campbells Creekord 1len here5.57 km100%total6 km
- Bighead Creekord 1len here5.43 km55%total10 km
- Grable Creekord 1len here5.36 km100%total5 km
- Helton Creekord 1len here4.65 km100%total5 km
13 more river segmentssorted by Strahler order + length
- Ray Creekord 2len here4.16 km42%total10 km
- Panther Creekord 6len here3.92 km2%total253 km
- Oak Creekord 2len here3.70 km100%total4 km
- Grace Creekord 2len here3.58 km100%total4 km
- Eastman Lake Creekord 1len here3.31 km42%total8 km
- Harris Creekord 3len here3.04 km15%total20 km
- Peatown Branchord 1len here1.90 km100%total2 km
- Watt Creekord 3len here1.81 km38%total5 km
- Big Caney Creekord 1len here1.66 km100%total2 km
- Iron Bridge Creekord 1len here1.30 km100%total1 km
- Little Cypress Creekord 3len here1.19 km1%total144 km
- Cherokee Bayouord 3len here0.15 km1%total23 km
- Caney Creekord 3len here0.02 km0%total251 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
8,0nW
Built-up
330,1%
Pesticides
1,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)