Ontologia

Commune · CHN

Mengjin

China

CwaTemperate, dry winter, hot summer(59 %)

Species observed

152

Observations

547

Area

698km²

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 Mengjin : 19 espèces reliées par 41 interactions GloBI sur 3 types (connectance 11.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
41
Connectance
0.117
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

152 distinct species · 547 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

547 obs · 11 cellules
Obs. / cellule
≥ 492
21–491
6–20
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°

14,4°C

Annual rain

618mm

Warmest m°

31,0°C

Coldest m°

-5,0°C

Elevation: 261 m on average (min 112 m, max 434 m)

Bioclimatic detailsExpert
Annual mean temp.
14,4°C
Annual rain
618mm
Warmest month
31,0°C
Coldest month
-5,0°C
Mean alt.
261m
Min
112m
Max
434m
Std. dev.
85m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(59 %)Temperate

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

11,2g/kg

Clay

21,0%

Sand

28,1%

Silt

50,9%

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

Dominant lithology: smGLiMaggregated to Luoyang

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
18,6g/kg
Clay
21,0%
Sand
28,5%
Silt
50,5%
5–15 cm
pH H₂O
8,0
Org. C
8,3g/kg
Clay
20,6%
Sand
28,2%
Silt
51,3%
15–30 cm
pH H₂O
8,0
Org. C
6,8g/kg
Clay
21,4%
Sand
27,7%
Silt
50,9%

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

Land cover

Forest11.0%
Crops47.3%
Built-up3.4%
Bare soil2.9%
Other (grassland, water…)35.4%

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

Hydrology3 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

91,8km

Lake surface here

7,36km²

Basins crossed

3

Max stream order

8

Max drainage

697 282km²

Discharge in basins

281,2m³/s

Mean precip.

604mm/an

Mean T°

13,5°C

Moisture idx

-0,50

Max snow

1%

Mean runoff

70mm/an

Mean elev. (basins)

324m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

4hab/km²

Night light

2,1nW

Built-up

339,7%

Pesticides

76,8kg/km²

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