Ontologia

District · TZA

Hai

Tanzania

AwTropical, savannah(62 %)

Species observed

1 420

Observations

16 659

Area

902,7km²

Ecological tissue

Sample of 26 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 Hai : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 30 interactions GloBI sur 5 types (connectance 9.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
30
Connectance
0.092
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

1 420 distinct species · 16 659 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

16 659 obs · 22 cellules
Obs. / cellule
≥ 3 832
1 321–3 831
679–1 320
439–678
< 439

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

Climate

Mean T°

19,2°C

Annual rain

1 486mm

Warmest m°

26,3°C

Coldest m°

11,2°C

Elevation: 1 428 m on average (min 714 m, max 4 379 m)

Bioclimatic detailsExpert
Annual mean temp.
19,2°C
Annual rain
1 486mm
Warmest month
26,3°C
Coldest month
11,2°C
Mean alt.
1 428m
Min
714m
Max
4 379m
Std. dev.
861m
Köppen-Geiger (dominant)
AwTropical, savannah(62 %)Tropical

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

29,6g/kg

Clay

33,0%

Sand

40,5%

Silt

26,5%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
37,4g/kg
Clay
32,0%
Sand
41,3%
Silt
26,7%
5–15 cm
pH H₂O
6,5
Org. C
29,3g/kg
Clay
32,5%
Sand
40,9%
Silt
26,7%
15–30 cm
pH H₂O
6,5
Org. C
22,2g/kg
Clay
34,6%
Sand
39,3%
Silt
26,1%

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

Land cover

Forest22.5%
Crops23.6%
Built-up2.0%
Bare soil2.2%
Other (grassland, water…)49.7%

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

Human pressure

Pop. density

3hab/km²

Night light

0,3nW

Built-up

197,1%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN II · 1IUCN Not Applicable · 1

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

Sub-administrations14