Ontologia

Commune · AGO

Xa-mavera

Angola

BShArid, steppe, hot(100 %)

Species observed

735

Observations

4 811

Area

5 583,3km²

Ecological tissue

Sample of 27 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 Xa-mavera : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 24 interactions GloBI sur 3 types (connectance 6.8%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
24
Connectance
0.068
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

735 distinct species · 4 811 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 811 obs · 32 cellules
Obs. / cellule
≥ 2 894
275–2 893
15–274
8–14
< 8

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

Climate

Mean T°

22,5°C

Annual rain

621mm

Warmest m°

33,6°C

Coldest m°

9,5°C

Elevation: 1 110 m on average (min 1 049 m, max 1 138 m)

Bioclimatic detailsExpert
Annual mean temp.
22,5°C
Annual rain
621mm
Warmest month
33,6°C
Coldest month
9,5°C
Mean alt.
1 110m
Min
1 049m
Max
1 138m
Std. dev.
18m
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

5,0g/kg

Clay

8,8%

Sand

84,8%

Silt

6,3%

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

Dominant lithology: mtGLiMaggregated to Dirico

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
6,6g/kg
Clay
8,4%
Sand
84,9%
Silt
6,7%
5–15 cm
pH H₂O
6,6
Org. C
4,6g/kg
Clay
8,1%
Sand
85,7%
Silt
6,2%
15–30 cm
pH H₂O
6,6
Org. C
3,9g/kg
Clay
10,0%
Sand
83,9%
Silt
6,1%

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

Land cover

Forest22.7%
Crops0.9%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)76.3%

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

Hydrology14 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

323,4km

Basins crossed

14

Max stream order

6

Max drainage

107 643km²

Discharge in basins

168,8m³/s

Mean precip.

599mm/an

Mean T°

21,7°C

Moisture idx

-0,68

Mean runoff

34mm/an

Mean elev. (basins)

1 115m

Watersheds crossing here

5 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,2%

Pesticides

0,0kg/km²

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

Protected areas7

IUCN Not Reported · 7

Siturutu

IUCN Not Reported

Fish Protection Area · 2021

1 km²

Shamange

IUCN Not Reported

Fish Protection Area · 2021

0 km²

Sayipundu

IUCN Not Reported

Fish Protection Area · 2021

0 km²

Complete list

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