Rivière· 21 segments
Средецка
Crosses 3 administrative regions : Bolyarovo, Sredets, Straldzha
Total length
51km
Max discharge
3,6m³/s
Max Strahler
4
Segments matched
21
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
7 intersecting protected areas
Tundzha
IUCN Not AssignedState Game Husbandries
Zapadna Strandzha
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Mandra - Poda
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Mandra - Poda
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Voynishki Bakadzhik
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Sredetska reka
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Nahodishte na Div bozhur
IUCN VIProtected Site
1 page = 1 named river (aggregation of 21 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
109 distinct species · 210 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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).
Indicateurs du tissu écologique
Tissu écologique de Средецка : 26 espèces reliées par 68 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
51km
Max discharge
3,6m³/s
Max Strahler
4
Segments matched
21
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.