Ontologia

Subdivision · DEU

Tanna

Germany

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

Species observed

1 037

Observations

2 933

Area

87,5km²

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 Tanna : 13 espèces reliées par 97 interactions GloBI sur 6 types (connectance 23.9%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
97
Connectance
0.239
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

1 037 distinct species · 2 933 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 933 obs · 3 cellules
Obs. / cellule
≥ 1 287
1 287–1 286
1 287–1 286
943–1 286
< 943

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

Climate

Mean T°

7,4°C

Annual rain

820mm

Warmest m°

20,7°C

Coldest m°

-4,1°C

Elevation: 551 m on average (min 455 m, max 627 m)

Bioclimatic detailsExpert
Annual mean temp.
7,4°C
Annual rain
820mm
Warmest month
20,7°C
Coldest month
-4,1°C
Mean alt.
551m
Min
455m
Max
627m
Std. dev.
31m
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

5,9

Org. C

41,0g/kg

Clay

21,8%

Sand

33,3%

Silt

44,9%

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

Dominant lithology: mtGLiMaggregated to Saale-Orla-Kreis

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
67,5g/kg
Clay
21,6%
Sand
33,0%
Silt
45,4%
5–15 cm
pH H₂O
5,9
Org. C
35,9g/kg
Clay
22,1%
Sand
32,8%
Silt
45,1%
15–30 cm
pH H₂O
5,9
Org. C
19,5g/kg
Clay
21,7%
Sand
34,2%
Silt
44,2%

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

Land cover

Forest33.1%
Crops44.4%
Built-up0.6%
Bare soil0.3%
Other (grassland, water…)21.6%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

13,5km

Basins crossed

2

Max stream order

2

Max drainage

1 657km²

Discharge in basins

0,7m³/s

Mean precip.

732mm/an

Mean T°

6,8°C

Moisture idx

0,06

Max snow

25%

Mean runoff

228mm/an

Mean elev. (basins)

545m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,7nW

Built-up

57,4%

Pesticides

30,5kg/km²

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

Protected areas8

IUCN Not Reported · 4IUCN V · 3IUCN IV · 1

Obere Saale

IUCN V

Landscape Protection Area · 1965

211 km²

Wisenta und Zeitera

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2008

4 km²

Wettera

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2008

1 km²

Wettera

IUCN IV

Nature Reserve · 2003

1 km²

Complete list

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