Ontologia

HydroBASINS lev08 watershed · #2080613580

Bassin de Έβρος/Meriç/Марица

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 across 2 countries : East Macedonia and Thrace, Merkez

Pfafstetter: 21302309

Sub-basin area

196,1km²

Upstream area

36 031,1km²

Discharge

179,24m³/s

Mean elev.

56m

Administrative coverage

Hydrographic chain

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

1 intersecting protected areas

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

Species present

439 distinct species · 6 306 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 306 obs · 5 cellules
Obs. / cellule
≥ 3 997
3 997–3 996
1 697–3 996
513–1 696
< 513

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 Έβρος/Meriç/Марица : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 82 interactions GloBI sur 5 types (connectance 11.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
82
Connectance
0.111
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°

13,6°C

Annual rain

602mm

Moisture idx (CMI)

-0,47

Runoff

147mm/an

PET

1 126mm

AET

509mm

Mean slope

1,2°

Water table

106cm

Forest

0%

Crops

61%

Urban

14%

Protected

0%

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