Ontologia

Commune · CHN

Qiqihar

China

DwaCold, dry winter, hot summer(100 %)

Species observed

349

Observations

2 012

Area

4 032,5km²

Ecological tissue

Sample of 34 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 Qiqihar : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 64 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
64
Connectance
0.108
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

349 distinct species · 2 012 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 012 obs · 53 cellules
Obs. / cellule
≥ 1 062
53–1 061
5–52
2–4
< 2

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

Climate

Mean T°

4,1°C

Annual rain

466mm

Warmest m°

27,3°C

Coldest m°

-24,4°C

Elevation: 150 m on average (min 139 m, max 164 m)

Bioclimatic detailsExpert
Annual mean temp.
4,1°C
Annual rain
466mm
Warmest month
27,3°C
Coldest month
-24,4°C
Mean alt.
150m
Min
139m
Max
164m
Std. dev.
6m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(100 %)Cold

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

Soil & lithology

pH H₂O

7,8

Org. C

18,5g/kg

Clay

28,0%

Sand

41,2%

Silt

30,8%

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

Dominant lithology: suGLiMaggregated to Qiqihar

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
23,4g/kg
Clay
27,6%
Sand
41,5%
Silt
30,9%
5–15 cm
pH H₂O
7,8
Org. C
18,5g/kg
Clay
28,1%
Sand
40,9%
Silt
30,9%
15–30 cm
pH H₂O
7,8
Org. C
13,7g/kg
Clay
28,2%
Sand
41,3%
Silt
30,5%

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

Land cover

Forest5.3%
Crops42.0%
Built-up1.4%
Bare soil2.3%
Other (grassland, water…)49.0%

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

Hydrology25 basins · 50 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

370,3km

Lake surface here

77,00km²

Basins crossed

25

Max stream order

7

Max drainage

124 920km²

Discharge in basins

880,9m³/s

Mean precip.

431mm/an

Mean T°

3,3°C

Moisture idx

-0,44

Max snow

23%

Mean runoff

67mm/an

Mean elev. (basins)

163m

Watersheds crossing here

16 more basins

Lakes (50, top by area)

41 more lakes

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

Human pressure

Pop. density

2hab/km²

Night light

1,4nW

Built-up

143,2%

Pesticides

74,7kg/km²

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

Protected areas1

IUCN Not Reported · 1

Zhalong

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1992

1 265 km²

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