Ontologia

Commune · TZA

Engaruka

Tanzania

BShArid, steppe, hot(69 %)

Species observed

237

Observations

1 915

Area

656,8km²

Ecological tissue

Sample of 17 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 Engaruka : 13 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 14 interactions GloBI sur 2 types (connectance 10.3%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
17
Interactions affichées
14
Connectance
0.103
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

237 distinct species · 1 915 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 915 obs · 14 cellules
Obs. / cellule
≥ 492
368–491
139–367
104–138
< 104

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

Climate

Mean T°

24,4°C

Annual rain

583mm

Warmest m°

32,2°C

Coldest m°

15,8°C

Elevation: 975 m on average (min 710 m, max 2 416 m)

Bioclimatic detailsExpert
Annual mean temp.
24,4°C
Annual rain
583mm
Warmest month
32,2°C
Coldest month
15,8°C
Mean alt.
975m
Min
710m
Max
2 416m
Std. dev.
285m
Köppen-Geiger (dominant)
BShArid, steppe, hot(69 %)Arid

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

Soil & lithology

pH H₂O

7,5

Org. C

17,1g/kg

Clay

32,5%

Sand

46,0%

Silt

21,4%

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

Dominant lithology: suGLiMaggregated to Monduli

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
22,1g/kg
Clay
31,8%
Sand
46,7%
Silt
21,5%
5–15 cm
pH H₂O
7,5
Org. C
16,2g/kg
Clay
32,1%
Sand
46,3%
Silt
21,6%
15–30 cm
pH H₂O
7,5
Org. C
13,0g/kg
Clay
33,7%
Sand
45,2%
Silt
21,2%

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

Land cover

Forest3.9%
Crops31.1%
Built-up0.1%
Bare soil8.9%
Other (grassland, water…)55.9%

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

Hydrology3 basins · 1 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

35,6km

Lake surface here

4,14km²

Basins crossed

3

Max stream order

2

Max drainage

16 235km²

Discharge in basins

3,0m³/s

Mean precip.

673mm/an

Mean T°

20,6°C

Moisture idx

-0,56

Mean runoff

116mm/an

Mean elev. (basins)

1 266m

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

6,4%

Pesticides

0,0kg/km²

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

Protected areas6

IUCN Not Reported · 5IUCN Not Applicable · 1

Lake Natron Basin

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2001

2 239 km²

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