Buffalo partial reserve
IUCN IVPartial Reserve · 1974
435 km²
Commune · AGO
Cayavi
Angola
AwTropical, savannah(96 %)
Species observed
36
Observations
61
Area
394,4km²
Ecological tissue
Sample of 9 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 Cayavi : 8 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 9 interactions GloBI sur 3 types (connectance 25.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
9
Interactions affichées
9
Connectance
0.250
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
36 distinct species · 61 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,9°C
Annual rain
799mm
Warmest m°
31,9°C
Coldest m°
13,9°C
Elevation: 707 m on average (min 512 m, max 978 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
22,9°C
Annual rain
799mm
Warmest month
31,9°C
Coldest month
13,9°C
Mean alt.
707m
Min
512m
Max
978m
Std. dev.
86m
Köppen-Geiger (dominant)
AwTropical, savannah(96 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,4
Org. C
11,6g/kg
Clay
13,5%
Sand
79,1%
Silt
7,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Caiambambo
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
15,3g/kg
Clay
12,6%
Sand
79,9%
Silt
7,5%
5–15 cm
pH H₂O
6,4
Org. C
11,8g/kg
Clay
12,5%
Sand
80,0%
Silt
7,5%
15–30 cm
pH H₂O
6,3
Org. C
7,8g/kg
Clay
15,3%
Sand
77,4%
Silt
7,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest21.0%
Crops20.5%
Built-up0.1%
Bare soil0.5%
Other (grassland, water…)57.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
76,4km
Basins crossed
4
Max stream order
6
Max drainage
16 713km²
Discharge in basins
31,1m³/s
Mean precip.
917mm/an
Mean T°
22,6°C
Moisture idx
-0,41
Mean runoff
164mm/an
Mean elev. (basins)
713m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
6,7%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN