Atikum
IUCN Not ReportedIndigenous Area · 1996
163 km²
Municipality · BRA
Belém do São Francisco
Brazil
BShArid, steppe, hot(100 %)
Species observed
273
Observations
2 332
Area
1 830,8km²
Ecological tissue
Sample of 42 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 Belém do São Francisco : 35 espèces reliées par 42 interactions GloBI sur 6 types (connectance 4.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
42
Connectance
0.044
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
273 distinct species · 2 332 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,8°C
Annual rain
550mm
Warmest m°
34,3°C
Coldest m°
19,6°C
Elevation: 362 m on average (min 302 m, max 659 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,8°C
Annual rain
550mm
Warmest month
34,3°C
Coldest month
19,6°C
Mean alt.
362m
Min
302m
Max
659m
Std. dev.
48m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,6
Org. C
9,2g/kg
Clay
19,8%
Sand
58,5%
Silt
21,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,6
Org. C
11,4g/kg
Clay
16,6%
Sand
61,3%
Silt
22,1%
5–15 cm
pH H₂O
6,6
Org. C
9,2g/kg
Clay
18,4%
Sand
59,7%
Silt
22,0%
15–30 cm
pH H₂O
6,6
Org. C
6,9g/kg
Clay
24,6%
Sand
54,7%
Silt
20,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest14.8%
Crops12.2%
Built-up0.1%
Bare soil1.3%
Other (grassland, water…)71.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology11 basins · 6 lakes · 21 rivers
Hydrology metrics for this exact territory
Stream length here
195,6km
Lake surface here
19,75km²
Basins crossed
11
Max stream order
7
Max drainage
573 068km²
Discharge in basins
3 120,1m³/s
Mean precip.
538mm/an
Mean T°
24,6°C
Moisture idx
-0,68
Mean runoff
147mm/an
Mean elev. (basins)
375m
Watersheds crossing here
- Bassin de Riacho da Portasub-area841 km²overlap742.78 km²41%
- Basin #45760sub-area378 km²overlap297.70 km²16%
- Bassin de Riacho Ouricurisub-area1 066,1 km²overlap263.43 km²14%
- Bassin de Rio São Franciscosub-area711,6 km²overlap231.85 km²13%
- Bassin de Riacho do Capim Grossosub-area889,3 km²overlap224.78 km²12%
- Bassin de Rio Pajeúsub-area342,5 km²overlap31.17 km²2%
- Bassin de Riacho das Almassub-area486,2 km²overlap24.32 km²1%
- Bassin de Riacho Traírassub-area21,3 km²overlap13.53 km²1%
- Bassin de Riacho Macururésub-area942,3 km²overlap1.03 km²0%
Lakes (6, top by area)
Rivers / streams (21, ord ≥ 4)
- Rio São Franciscoord 7len here59.55 km1%total4906 km
- Riacho Ouricuriord 4len here32.72 km42%total78 km
- Riacho da Portaord 7len here26.89 km100%total27 km
- Riacho do Pau Ferroord 1len here12.72 km100%total13 km
- Riacho do Juazeiroord 3len here12.34 km15%total80 km
- Riacho da Cachoeiraord 3len here9.89 km24%total42 km
- Riacho do Varzanteord 3len here9.75 km30%total32 km
- Riacho do Poço da Pedraord 3len here7.45 km17%total44 km
- Riacho do Espinheiroord 1len here5.28 km47%total11 km
- Riacho da Conceiçãoord 3len here4.63 km9%total49 km
- Riacho Traírasord 5len here4.11 km69%total6 km
- Riacho da Costaord 1len here2.21 km40%total6 km
9 more river segmentssorted by Strahler order + length
- Rio Pajeuord 6len here2.08 km1%total224 km
- Riacho do Icóord 3len here2.04 km7%total31 km
- Riacho do Capim Grossoord 6len here1.76 km2%total115 km
- Riacho da Fazendaord 1len here0.80 km22%total4 km
- Riacho da Vargemord 4len here0.65 km0%total144 km
- Riacho Bom Passarord 2len here0.35 km1%total30 km
- Riacho da Areiaord 4len here0.25 km1%total26 km
- Riacho Grandeord 4len here0.13 km0%total416 km
- Riacho das Caraíbasord 2len here0.01 km0%total16 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
5,7%
Pesticides
49,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN IV · 3IUCN Not Reported · 1
Reserva Particular Do Patrimônio Natural Reserva Siriema
IUCN IVNatural Heritage Private Reserve · 2007
3 km²
Reserva Particular Do Patrimônio Natural Reserva Jurema
IUCN IVNatural Heritage Private Reserve · 2007
3 km²
Reserva Particular Do Patrimônio Natural Reserva Umburana
IUCN IVNatural Heritage Private Reserve · 2007
1 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN