Ontologia

District · uga

Arua

Uganda

AwTropical, savannah(100 %)

Species observed

766

Observations

4 543

Area

5 569,4km²

Ecological tissue

Sample of 22 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 Arua : 19 espèces reliées par 21 interactions GloBI sur 3 types (connectance 9.1%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
21
Connectance
0.091
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

766 distinct species · 4 543 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 543 obs · 95 cellules
Obs. / cellule
≥ 781
156–780
19–155
7–18
< 7

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

Climate

Mean T°

24,7°C

Annual rain

1 036mm

Warmest m°

33,1°C

Coldest m°

18,6°C

Elevation: 928 m on average (min 618 m, max 1 547 m)

Bioclimatic detailsExpert
Annual mean temp.
24,7°C
Annual rain
1 036mm
Warmest month
33,1°C
Coldest month
18,6°C
Mean alt.
928m
Min
618m
Max
1 547m
Std. dev.
216m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,0

Org. C

27,0g/kg

Clay

36,4%

Sand

39,9%

Silt

23,7%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
36,0g/kg
Clay
35,4%
Sand
40,4%
Silt
24,2%
5–15 cm
pH H₂O
6,0
Org. C
27,5g/kg
Clay
35,3%
Sand
40,6%
Silt
24,1%
15–30 cm
pH H₂O
6,0
Org. C
17,6g/kg
Clay
38,4%
Sand
38,6%
Silt
23,0%

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

Land cover

Forest14.4%
Crops23.1%
Built-up1.9%
Bare soil0.6%
Other (grassland, water…)60.0%

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

Hydrology25 basins · 19 lakes · 21 rivers

Hydrology metrics for this exact territory

Stream length here

551,7km

Lake surface here

14,06km²

Basins crossed

25

Max stream order

7

Max drainage

422 360km²

Discharge in basins

3 576,4m³/s

Mean precip.

1 239mm/an

Mean T°

24,1°C

Moisture idx

-0,31

Mean runoff

127mm/an

Mean elev. (basins)

942m

Watersheds crossing here

16 more basins

Lakes (19, top by area)

10 more lakes

Rivers / streams (21, ord ≥ 4)

9 more river segments

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

Human pressure

Pop. density

2hab/km²

Night light

0,0nW

Built-up

186,7%

Pesticides

0,9kg/km²

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

Protected areas39

IUCN Not Reported · 37IUCN VI · 1IUCN III · 1

Mount Kei

IUCN VI

Wildlife Sanctuary · 1938

415 km²

Ajai

IUCN III

Wildlife Reserve · 1965

148 km²

Luku

IUCN Not Reported

Forest Reserve · 1963

40 km²

Laura

IUCN Not Reported

Forest Reserve · 1948

27 km²

Kafu

IUCN Not Reported

Forest Reserve · 1963

26 km²

Iyi

IUCN Not Reported

Forest Reserve · 1948

24 km²

Complete list

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

Sub-administrations10