Ontologia

HydroBASINS lev08 watershed · #2080021570

Bassin du Jaudy

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 1 administrative regions : Côtes-d'Armor

Coastal basinPfafstetter: 23230533

Sub-basin area

668,4km²

Upstream area

668,4km²

Discharge

5,48m³/s

Mean elev.

69m

Administrative coverage

1 dept-equivalent regions (GADM L2)

60 communes (GADM L5)

30 intersecting protected areas

21 more protected areas

  • Sept-Iles

    IUCN IV

    National Nature Reserve

    5.72 km² overlap

  • Sillon de talbert

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    4.14 km² overlap

  • Lann ar waremm

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    3.13 km² overlap

  • Sept-Iles

    IUCN Not Reported

    Marine Protected Area (OSPAR)

    2.44 km² overlap

  • Sillon De Talbert

    IUCN IV

    Regional Nature Reserve

    1.33 km² overlap

  • Sillon de Talbert

    IUCN Not Reported

    Geotope Protection Order

    1.25 km² overlap

  • Pors mabo - beg leguer

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    1.08 km² overlap

  • Milin ar lann

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.68 km² overlap

  • Landes de ploumanac\'h

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.43 km² overlap

  • Bringuiller - kerlavos

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.41 km² overlap

  • Ploumanac\'h

    IUCN Not Reported

    Geotope Protection Order

    0.38 km² overlap

  • Archipel des sept iles

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.38 km² overlap

  • Ile tome

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.33 km² overlap

  • Cote des ajoncs d\'or

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.28 km² overlap

  • Ile milliau

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.23 km² overlap

  • Archipel de l\'ile grande

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.22 km² overlap

  • Coteaux de penvern-kervegan

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.14 km² overlap

  • Marais de noteno

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.14 km² overlap

  • Archipel et littoral de penvenan

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.12 km² overlap

  • Ile molene

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.05 km² overlap

  • La Presqu\'île de Toénot

    IUCN Not Reported

    Geotope Protection Order

    0.05 km² overlap

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

Species present

5 129 distinct species · 157 350 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

157 350 obs · 19 cellules
Obs. / cellule
≥ 30 502
25 192–30 501
8 810–25 191
4 529–8 809
< 4 529

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 du Jaudy : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 89 interactions GloBI sur 6 types (connectance 12.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
89
Connectance
0.120
Patrimoniales
2
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°

11,1°C

Annual rain

877mm

Moisture idx (CMI)

0,23

Runoff

771mm/an

PET

678mm

AET

528mm

Mean slope

1,8°

Water table

147cm

Forest

8%

Crops

69%

Urban

3%

Protected

2%

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