Ontologia

HydroBASINS lev08 watershed · #2080405110

Bassin de Chemnitz

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 4 administrative regions : Chemnitz, Erzgebirgskreis, Mittelsachsen, Zwickau

Pfafstetter: 23285026

Sub-basin area

520,5km²

Upstream area

520,6km²

Discharge

4,39m³/s

Mean elev.

411m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

4 dept-equivalent regions (GADM L2)

30 intersecting protected areas

21 more protected areas

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

4 888 distinct species · 132 942 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

132 942 obs · 13 cellules
Obs. / cellule
≥ 44 729
27 580–44 728
9 998–27 579
4 707–9 997
< 4 707

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

Ecological tissue

Sample of 33 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 Bassin de Chemnitz : 25 espèces reliées par 94 interactions GloBI sur 5 types (connectance 16.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
94
Connectance
0.168
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

7,3°C

Annual rain

643mm

Moisture idx (CMI)

-0,07

Runoff

254mm/an

PET

690mm

AET

525mm

Mean slope

3,6°

Water table

310cm

Forest

20%

Crops

40%

Urban

38%

Protected

21%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)