Ontologia

Constituency · NAM

Mariental Urban

Namibia

BWhArid, desert, hot(100 %)

Species observed

841

Observations

10 711

Area

5 916,4km²

Ecological tissue

Sample of 23 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 Mariental Urban : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 22 interactions GloBI sur 2 types (connectance 8.0%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
22
Connectance
0.080
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

841 distinct species · 10 711 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 711 obs · 100 cellules
Obs. / cellule
≥ 2 761
146–2 760
40–145
15–39
< 15

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

Climate

Mean T°

22,0°C

Annual rain

190mm

Warmest m°

34,3°C

Coldest m°

6,1°C

Elevation: 1 212 m on average (min 1 045 m, max 1 385 m)

Bioclimatic detailsExpert
Annual mean temp.
22,0°C
Annual rain
190mm
Warmest month
34,3°C
Coldest month
6,1°C
Mean alt.
1 212m
Min
1 045m
Max
1 385m
Std. dev.
67m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

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

Soil & lithology

pH H₂O

8,7

Org. C

3,2g/kg

Clay

11,5%

Sand

67,0%

Silt

21,5%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,7
Org. C
3,2g/kg
Clay
10,4%
Sand
68,5%
Silt
21,1%
5–15 cm
pH H₂O
8,8
Org. C
3,1g/kg
Clay
10,7%
Sand
67,5%
Silt
21,8%
15–30 cm
pH H₂O
8,8
Org. C
3,2g/kg
Clay
13,2%
Sand
65,2%
Silt
21,6%

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

Land cover

Forest0.6%
Crops0.5%
Built-up0.0%
Bare soil38.3%
Other (grassland, water…)60.6%

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

Hydrology22 basins · 4 lakes · 42 rivers

Hydrology metrics for this exact territory

Stream length here

1 044,7km

Lake surface here

24,85km²

Basins crossed

22

Max stream order

5

Max drainage

15 170km²

Discharge in basins

5,5m³/s

Mean precip.

204mm/an

Mean T°

19,7°C

Moisture idx

-0,89

Mean runoff

7mm/an

Mean elev. (basins)

1 230m

Rivers / streams (42, ord ≥ 4)

30 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

2,6%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN Not Reported · 1IUCN V · 1

Huibes

IUCN Not Reported

Communal Conservancy · 2009

1 328 km²

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