Ontologia

HydroBASINS lev08 watershed · #2080050830

Bassin de River Annan

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 3 administrative regions : Dumfries and Galloway, Scottish Borders, South Lanarkshire

Pfafstetter: 23302140

Sub-basin area

958,8km²

Upstream area

958,8km²

Discharge

31,54m³/s

Mean elev.

224m

Administrative coverage

3 dept-equivalent regions (GADM L2)

20 intersecting protected areas

11 more protected areas

  • Solway Firth

    IUCN Not Reported

    Emerald Network

    0.53 km² overlap

  • Upper Solway Flats and Marshes

    IUCN Not Reported

    Marine Protected Area (OSPAR)

    0.40 km² overlap

  • Solway Firth

    IUCN Not Reported

    Marine Protected Area (OSPAR)

    0.40 km² overlap

  • Lochmaben Lochs

    IUCN IV

    Site of Special Scientific Interest

    0.38 km² overlap

  • Black Loch

    IUCN IV

    Site of Special Scientific Interest

    0.31 km² overlap

  • River Tweed

    IUCN Not Reported

    Emerald Network

    0.13 km² overlap

  • Dryfe Water

    IUCN IV

    Site of Special Scientific Interest

    0.12 km² overlap

  • River Tweed

    IUCN IV

    Site of Special Scientific Interest

    0.11 km² overlap

  • Perchhall Loch

    IUCN IV

    Site of Special Scientific Interest

    0.10 km² overlap

  • Lochwood

    IUCN IV

    Site of Special Scientific Interest

    0.10 km² overlap

  • Shiel Dod

    IUCN IV

    Site of Special Scientific Interest

    0.06 km² overlap

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

Species present

5 644 distinct species · 132 769 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

132 769 obs · 30 cellules
Obs. / cellule
≥ 15 965
9 474–15 964
5 775–9 473
3 220–5 774
< 3 220

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

Ecological tissue

Sample of 42 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 River Annan : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 135 interactions GloBI sur 6 types (connectance 15.0%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
135
Connectance
0.149
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°

7,5°C

Annual rain

1 202mm

Moisture idx (CMI)

0,51

Runoff

978mm/an

PET

584mm

AET

529mm

Mean slope

6,0°

Water table

256cm

Forest

6%

Crops

16%

Urban

0%

Protected

3%

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