Ontologia

Governorate · yem

Hadramawt

Yemen

BWhArid, desert, hot(100 %)

Species observed

1 061

Observations

4 978

Area

166 441,9km²

Ecological tissue

Sample of 2 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 Hadramawt : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).

Espèces affichées
2
Interactions affichées
1
Connectance
1.000
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

1 061 distinct species · 4 978 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 978 obs · 61 cellules
Obs. / cellule
≥ 654
271–653
79–270
20–78
< 20

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

26,7°C

Annual rain

72mm

Warmest m°

38,6°C

Coldest m°

11,5°C

Elevation: 769 m on average (min -307 m, max 2 016 m)

Bioclimatic detailsExpert
Annual mean temp.
26,7°C
Annual rain
72mm
Warmest month
38,6°C
Coldest month
11,5°C
Mean alt.
769m
Min
-307m
Max
2 016m
Std. dev.
321m
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

8,1

Org. C

6,7g/kg

Clay

14,1%

Sand

51,6%

Silt

34,4%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
7,3g/kg
Clay
13,5%
Sand
52,1%
Silt
34,4%
5–15 cm
pH H₂O
8,1
Org. C
6,3g/kg
Clay
13,7%
Sand
51,9%
Silt
34,4%
15–30 cm
pH H₂O
8,1
Org. C
6,4g/kg
Clay
15,0%
Sand
50,8%
Silt
34,2%

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

Land cover

Forest0.5%
Crops0.4%
Built-up0.0%
Bare soil91.6%
Other (grassland, water…)7.5%

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

Hydrology293 basins · 1 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

4 955,5km

Lake surface here

0,11km²

Basins crossed

293

Max stream order

6

Max drainage

40 276km²

Discharge in basins

103,1m³/s

Mean precip.

78mm/an

Mean T°

23,4°C

Moisture idx

-0,95

Mean runoff

20mm/an

Mean elev. (basins)

767m

Watersheds crossing here

284 more basins

Lakes (1, top by area)

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

1,7%

Pesticides

0,1kg/km²

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

Protected areas2

IUCN Not Applicable · 1IUCN Not Reported · 1🌊 Marine · 2

Socotra Archipelago

IUCN Not Applicable

World Heritage Site (natural or mixed) · 2008

4 228 km²

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

Sub-administrations30