Ontologia

HydroBASINS lev08 watershed · #2080615340

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: 21302306

Sub-basin area

411,8km²

Upstream area

411,9km²

Discharge

2,29m³/s

Mean elev.

74m

Administrative coverage

Hydrographic chain

Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

1 intersecting protected areas

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

Species present

307 distinct species · 691 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

691 obs · 10 cellules
Obs. / cellule
≥ 276
276–275
111–275
24–110
< 24

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

Ecological tissue

Sample of 38 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 : 27 espèces reliées par 98 interactions GloBI sur 6 types (connectance 13.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
98
Connectance
0.139
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°

13,5°C

Annual rain

610mm

Moisture idx (CMI)

-0,45

Runoff

175mm/an

PET

1 114mm

AET

516mm

Mean slope

1,9°

Water table

203cm

Forest

0%

Crops

46%

Urban

3%

Protected

0%

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