Municipality · BRA
Valença do Piauí
Brazil
Species observed
101
Observations
129
Area
1 333,7km²
Ecological tissue
Sample of 3 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 Valença do Piauí : 3 espèces reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
101 distinct species · 129 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
28,0°C
Annual rain
1 016mm
Warmest m°
35,6°C
Coldest m°
22,1°C
Elevation: 307 m on average (min 145 m, max 502 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
5,2
Org. C
11,8g/kg
Clay
23,5%
Sand
56,9%
Silt
19,5%
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)
Hydrology2 basins · 0 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
241,9km
Basins crossed
2
Max stream order
5
Max drainage
7 136km²
Discharge in basins
9,7m³/s
Mean precip.
1 008mm/an
Mean T°
25,6°C
Moisture idx
-0,44
Mean runoff
115mm/an
Mean elev. (basins)
347m
Watersheds crossing here
Rivers / streams (9, ord ≥ 4)
- Riacho da Areiaord 6len here82.77 km23%total366 km
- Rio Sambitoord 5len here44.91 km15%total298 km
- Riacho Tranqueiraord 5len here38.32 km38%total102 km
- Riacho Vereda Compridaord 2len here23.66 km100%total24 km
- Rio São Vicenteord 4len here21.41 km12%total185 km
- Riacho do Buritizalord 2len here14.13 km83%total17 km
- Riacho do Roncadorord 4len here11.96 km46%total26 km
- Riacho do Angicalord 6len here4.78 km10%total46 km
- Riacho São Bentoord 3len here≈ tangenttotal55 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
14,0%
Pesticides
49,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)