Ontologia

County · USA

San Saba

United States

CfaTemperate, no dry season, hot summer(100 %)

Species observed

2 120

Observations

122 705

Area

2 949,4km²

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de San Saba : 19 espèces reliées par 65 interactions GloBI sur 3 types (connectance 14.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
65
Connectance
0.149
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

2 120 distinct species · 122 705 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

122 705 obs · 73 cellules
Obs. / cellule
≥ 28 820
1 449–28 819
327–1 448
136–326
< 136

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

19,0°C

Annual rain

761mm

Warmest m°

34,1°C

Coldest m°

4,3°C

Elevation: 443 m on average (min 331 m, max 579 m)

Bioclimatic detailsExpert
Annual mean temp.
19,0°C
Annual rain
761mm
Warmest month
34,1°C
Coldest month
4,3°C
Mean alt.
443m
Min
331m
Max
579m
Std. dev.
49m
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

7,1

Org. C

20,9g/kg

Clay

34,9%

Sand

31,6%

Silt

33,5%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
33,3g/kg
Clay
33,0%
Sand
32,4%
Silt
34,6%
5–15 cm
pH H₂O
7,1
Org. C
17,5g/kg
Clay
34,4%
Sand
31,9%
Silt
33,7%
15–30 cm
pH H₂O
7,1
Org. C
12,0g/kg
Clay
37,3%
Sand
30,4%
Silt
32,3%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest33.9%
Crops10.8%
Built-up0.1%
Bare soil1.3%
Other (grassland, water…)53.8%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology9 basins · 3 lakes · 20 rivers

Hydrology metrics for this exact territory

Stream length here

477,5km

Lake surface here

0,55km²

Basins crossed

9

Max stream order

6

Max drainage

79 467km²

Discharge in basins

43,1m³/s

Mean precip.

690mm/an

Mean T°

18,3°C

Moisture idx

-0,54

Mean runoff

55mm/an

Mean elev. (basins)

448m

Rivers / streams (20, ord ≥ 4)

8 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

8,6%

Pesticides

4,0kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)