Ontologia

District · YEM

Brom Mayfa

Yemen

BWhArid, desert, hot(100 %)

Species observed

201

Observations

383

Area

2 356,7km²

Ecological tissue

Sample of 21 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 Brom Mayfa : 17 espèces reliées par 25 interactions GloBI sur 2 types (connectance 11.9%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
25
Connectance
0.119
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

201 distinct species · 383 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

383 obs · 22 cellules
Obs. / cellule
≥ 107
33–106
15–32
11–14
< 11

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

Climate

Mean T°

25,7°C

Annual rain

132mm

Warmest m°

33,2°C

Coldest m°

17,1°C

Elevation: 521 m on average (min -59 m, max 1 896 m)

Bioclimatic detailsExpert
Annual mean temp.
25,7°C
Annual rain
132mm
Warmest month
33,2°C
Coldest month
17,1°C
Mean alt.
521m
Min
-59m
Max
1 896m
Std. dev.
461m
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

8,0

Org. C

12,6g/kg

Clay

15,1%

Sand

49,7%

Silt

35,3%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
15,1g/kg
Clay
14,4%
Sand
50,2%
Silt
35,4%
5–15 cm
pH H₂O
8,0
Org. C
11,1g/kg
Clay
14,7%
Sand
49,8%
Silt
35,4%
15–30 cm
pH H₂O
8,0
Org. C
11,4g/kg
Clay
16,1%
Sand
49,0%
Silt
34,9%

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

Land cover

Forest0.6%
Crops0.9%
Built-up0.0%
Bare soil83.0%
Other (grassland, water…)15.6%

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

Hydrology9 basins · 0 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

233,4km

Basins crossed

9

Max stream order

4

Max drainage

9 220km²

Discharge in basins

1,7m³/s

Mean precip.

56mm/an

Mean T°

24,3°C

Moisture idx

-0,96

Mean runoff

18mm/an

Mean elev. (basins)

509m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

1,2%

Pesticides

0,0kg/km²

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