Ontologia

Commune · IND

Merta

India

BShArid, steppe, hot(86 %)

Species observed

106

Observations

307

Area

2 842,7km²

Ecological tissue

Sample of 37 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 Merta : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 4 types (connectance 6.5%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
43
Connectance
0.065
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

106 distinct species · 307 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

307 obs · 36 cellules
Obs. / cellule
≥ 113
18–112
6–17
3–5
< 3

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

403mm

Warmest m°

39,6°C

Coldest m°

8,8°C

Elevation: 325 m on average (min 288 m, max 430 m)

Bioclimatic detailsExpert
Annual mean temp.
25,7°C
Annual rain
403mm
Warmest month
39,6°C
Coldest month
8,8°C
Mean alt.
325m
Min
288m
Max
430m
Std. dev.
21m
Köppen-Geiger (dominant)
BShArid, steppe, hot(86 %)Arid

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

Soil & lithology

pH H₂O

7,6

Org. C

5,6g/kg

Clay

25,7%

Sand

48,8%

Silt

25,5%

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

Dominant lithology: smGLiMaggregated to Nagaur

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
6,6g/kg
Clay
25,2%
Sand
49,4%
Silt
25,4%
5–15 cm
pH H₂O
7,6
Org. C
5,4g/kg
Clay
26,4%
Sand
48,3%
Silt
25,3%
15–30 cm
pH H₂O
7,7
Org. C
4,6g/kg
Clay
25,5%
Sand
48,7%
Silt
25,8%

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

Land cover

Forest6.3%
Crops67.6%
Built-up0.9%
Bare soil1.9%
Other (grassland, water…)23.4%

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

Hydrology9 basins · 2 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

67,1km

Lake surface here

0,44km²

Basins crossed

9

Max stream order

4

Max drainage

3 200km²

Discharge in basins

7,2m³/s

Mean precip.

362mm/an

Mean T°

25,8°C

Moisture idx

-0,79

Mean runoff

43mm/an

Mean elev. (basins)

331m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,5nW

Built-up

89,2%

Pesticides

1,1kg/km²

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