Ontologia

Municipality · BRA

Valença

Brazil

AwTropical, savannah(55 %)

Species observed

886

Observations

7 450

Area

1 300,8km²

Ecological tissue

Sample of 40 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 Valença : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 68 interactions GloBI sur 3 types (connectance 8.7%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
68
Connectance
0.087
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

886 distinct species · 7 450 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 450 obs · 30 cellules
Obs. / cellule
≥ 1 602
996–1 601
229–995
24–228
< 24

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

Climate

Mean T°

21,1°C

Annual rain

1 709mm

Warmest m°

28,5°C

Coldest m°

12,8°C

Elevation: 627 m on average (min 351 m, max 1 021 m)

Bioclimatic detailsExpert
Annual mean temp.
21,1°C
Annual rain
1 709mm
Warmest month
28,5°C
Coldest month
12,8°C
Mean alt.
627m
Min
351m
Max
1 021m
Std. dev.
109m
Köppen-Geiger (dominant)
AwTropical, savannah(55 %)Tropical

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

24,5g/kg

Clay

39,8%

Sand

44,8%

Silt

15,3%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
34,9g/kg
Clay
37,6%
Sand
46,9%
Silt
15,5%
5–15 cm
pH H₂O
5,2
Org. C
22,9g/kg
Clay
38,2%
Sand
46,2%
Silt
15,6%
15–30 cm
pH H₂O
5,2
Org. C
15,8g/kg
Clay
43,7%
Sand
41,4%
Silt
14,9%

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

Land cover

Forest41.2%
Crops17.4%
Built-up0.3%
Bare soil0.4%
Other (grassland, water…)40.7%

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

Hydrology6 basins · 2 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

182,1km

Lake surface here

0,24km²

Basins crossed

6

Max stream order

5

Max drainage

19 598km²

Discharge in basins

60,5m³/s

Mean precip.

1 468mm/an

Mean T°

20,0°C

Moisture idx

0,01

Mean runoff

511mm/an

Mean elev. (basins)

667m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

33,9%

Pesticides

34,7kg/km²

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

Protected areas6

IUCN III · 4IUCN II · 1IUCN IV · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN