Ontologia

HydroBASINS lev08 watershed · #2080009730

Bassin de Στρυμόνας

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 2 administrative regions : Central Macedonia, East Macedonia and Thrace

Pfafstetter: 21304010

Sub-basin area

201,5km²

Upstream area

16 801,3km²

Discharge

104,01m³/s

Mean elev.

182m

Administrative coverage

Hydrographic chain

Drains into

Outlet (drains to ocean / endorheic)

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

9 intersecting protected areas

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

Species present

667 distinct species · 3 027 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 027 obs · 5 cellules
Obs. / cellule
≥ 2 630
2 630–2 629
220–2 629
97–219
< 97

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 Στρυμόνας : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 76 interactions GloBI sur 2 types (connectance 14.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
76
Connectance
0.144
Patrimoniales
1
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°

14,5°C

Annual rain

501mm

Moisture idx (CMI)

-0,53

Runoff

149mm/an

PET

1 066mm

AET

427mm

Mean slope

6,6°

Water table

360cm

Forest

16%

Crops

19%

Urban

0%

Protected

14%

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