Ontologia

HydroBASINS lev08 watershed · #2080008990

Bassin de Средецка

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 10 administrative regions across 2 countries : Bolyarovo, Burgas, Kameno, Karnobat, Kofçaz +5

16% lakePfafstetter: 22800080

Sub-basin area

2 431,3km²

Upstream area

2 431,4km²

Discharge

8,11m³/s

Mean elev.

182m

Administrative coverage

10 dept-equivalent regions (GADM L2)

2 more

30 intersecting protected areas

  • Derventski vazvishenia 2

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    364.43 km² overlap

  • Zapadna Strandzha

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    346.47 km² overlap

  • Tundzha

    IUCN Not Assigned

    State Game Husbandries

    271.14 km² overlap

  • Mandra - Poda

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    57.61 km² overlap

  • Mandra - Poda

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    57.61 km² overlap

  • Fakiyska reka

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    41.04 km² overlap

  • Ropotamo

    IUCN Not Assigned

    State Game Husbandries

    30.72 km² overlap

  • Bakadzhitsite

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    13.05 km² overlap

  • Voynishki Bakadzhik

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    11.40 km² overlap

21 more protected areas

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

Species present

1 476 distinct species · 44 271 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

44 271 obs · 60 cellules
Obs. / cellule
≥ 14 560
631–14 559
311–630
145–310
< 145

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

Ecological tissue

Sample of 26 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 Средецка : 19 espèces reliées par 55 interactions GloBI sur 3 types (connectance 15.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
55
Connectance
0.157
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

612mm

Moisture idx (CMI)

-0,38

Runoff

139mm/an

PET

980mm

AET

519mm

Mean slope

3,7°

Water table

324cm

Forest

28%

Crops

35%

Urban

1%

Protected

1%

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