Ontologia

HydroBASINS lev08 watershed · #2080009640

Bassin de Νέστος

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 1 administrative regions : East Macedonia and Thrace

Pfafstetter: 21303081

Sub-basin area

954,8km²

Upstream area

5 863,5km²

Discharge

40m³/s

Mean elev.

430m

Administrative coverage

Hydrographic chain

Drains into

Outlet (drains to ocean / endorheic)

Receives from 3 basins

1 dept-equivalent regions (GADM L2)

22 intersecting protected areas

13 more protected areas

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

Species present

2 512 distinct species · 23 443 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

23 443 obs · 23 cellules
Obs. / cellule
≥ 7 324
1 124–7 323
838–1 123
314–837
< 314

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

Ecological tissue

Sample of 39 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 Νέστος : 31 espèces reliées par 92 interactions GloBI sur 5 types (connectance 11.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
92
Connectance
0.118
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°

12,3°C

Annual rain

578mm

Moisture idx (CMI)

-0,41

Runoff

219mm/an

PET

987mm

AET

490mm

Mean slope

11,5°

Water table

440cm

Forest

43%

Crops

19%

Urban

0%

Protected

45%

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