County · USA
Jack
United States
Species observed
1 340
Observations
25 822
Area
2 386km²
Ecological tissue
Sample of 35 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 Jack : 26 espèces reliées par 71 interactions GloBI sur 3 types (connectance 11.9%, filtre Serrano α=0.2). 9 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
1 340 distinct species · 25 822 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,1°C
Annual rain
881mm
Warmest m°
34,3°C
Coldest m°
2,8°C
Elevation: 333 m on average (min 254 m, max 417 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
6,9
Org. C
17,9g/kg
Clay
29,2%
Sand
33,5%
Silt
37,3%
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
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology11 basins · 8 lakes · 21 rivers
Hydrology metrics for this exact territory
Stream length here
307,1km
Lake surface here
6,51km²
Basins crossed
11
Max stream order
4
Max drainage
57 887km²
Discharge in basins
16,5m³/s
Mean precip.
791mm/an
Mean T°
17,7°C
Moisture idx
-0,46
Mean runoff
84mm/an
Mean elev. (basins)
334m
Watersheds crossing here
- Bassin de West Fork Trinity Riversub-area601,6 km²overlap573.44 km²24%
- Bassin de East Fork Keechi Creeksub-area694,6 km²overlap468.56 km²20%
- Bassin de West Fork Trinity Riversub-area564,6 km²overlap370.77 km²16%
- Basin #95830sub-area263,7 km²overlap263.59 km²11%
- Bassin de Brazos Riversub-area589,3 km²overlap207.41 km²9%
- Bassin de Cameron Creeksub-area180,8 km²overlap137.62 km²6%
- Bassin de West Fork Trinity Riversub-area683,5 km²overlap122.20 km²5%
- Bassin de Boons Creeksub-area307,1 km²overlap111.84 km²5%
- Bassin de Big Creeksub-area226,5 km²overlap109.26 km²5%
2 more basinssorted by overlap
Lakes (8, top by area)
Rivers / streams (21, ord ≥ 4)
- West Fork Trinity Riverord 5len here150.75 km38%total394 km
- Cameron Creekord 2len here18.88 km100%total19 km
- West Fork Keechi Creekord 3len here16.54 km61%total27 km
- Lost Creekord 2len here15.15 km100%total15 km
- East Fork Keechi Creekord 3len here12.75 km45%total29 km
- Rock Creekord 3len here12.01 km19%total64 km
- Carroll Creekord 1len here10.55 km100%total11 km
- Board Tree Creekord 2len here9.68 km100%total10 km
- Salt Creekord 3len here8.85 km9%total95 km
- Snake Creekord 1len here7.05 km100%total7 km
- McCumber Branchord 3len here7.00 km100%total7 km
- Hall Creekord 1len here6.87 km100%total7 km
9 more river segmentssorted by Strahler order + length
- Dry Branchord 2len here5.53 km21%total27 km
- Big Creekord 3len here4.67 km8%total60 km
- Lodge Creekord 2len here3.94 km100%total4 km
- Dillingham Creekord 2len here3.93 km100%total4 km
- Springdale Branchord 1len here3.74 km100%total4 km
- Board Timber Creekord 1len here2.97 km100%total3 km
- Spillers Branchord 1len here2.50 km100%total3 km
- Boons Creekord 2len here2.49 km16%total16 km
- Halls Branchord 1len here1.19 km100%total1 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
13,8%
Pesticides
2,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)