Ontologia

Commune · EST

Holvandi

Estonia

DfbCold, no dry season, warm summer(100 %)

Species observed

687

Observations

2 072

Area

7,4km²

Ecological tissue

Sample of 20 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 Holvandi : 12 espèces reliées par 68 interactions GloBI sur 4 types (connectance 32.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
68
Connectance
0.324
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

687 distinct species · 2 072 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 072 obs · 1 cellules
Obs. / cellule
≥ 2 072
2 072–2 071
2 072–2 071
2 072–2 071
< 2 072

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

Climate

Mean T°

6,0°C

Annual rain

694mm

Warmest m°

21,6°C

Coldest m°

-8,1°C

Elevation: 57 m on average (min 54 m, max 62 m)

Bioclimatic detailsExpert
Annual mean temp.
6,0°C
Annual rain
694mm
Warmest month
21,6°C
Coldest month
-8,1°C
Mean alt.
57m
Min
54m
Max
62m
Std. dev.
1m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

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

Soil & lithology

pH H₂O

6,2

Org. C

75,8g/kg

Clay

11,9%

Sand

51,8%

Silt

36,3%

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

Dominant lithology: suGLiMaggregated to Põlva

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
121,4g/kg
Clay
11,9%
Sand
51,2%
Silt
36,9%
5–15 cm
pH H₂O
6,3
Org. C
70,1g/kg
Clay
11,7%
Sand
51,6%
Silt
36,8%
15–30 cm
pH H₂O
6,1
Org. C
36,0g/kg
Clay
12,0%
Sand
52,7%
Silt
35,3%

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

Land cover

Forest33.9%
Crops41.5%
Built-up0.3%
Bare soil0.2%
Other (grassland, water…)24.1%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,9km

Basins crossed

2

Max stream order

2

Max drainage

1 445km²

Discharge in basins

0,1m³/s

Mean precip.

612mm/an

Mean T°

4,9°C

Moisture idx

0,04

Max snow

39%

Mean runoff

243mm/an

Mean elev. (basins)

80m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

25,7%

Pesticides

5,0kg/km²

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

Protected areas1

IUCN Not Assigned · 1

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