Ontologia

HydroBASINS lev08 watershed · #2080047990

Bassin de Riu Mannu di Bitti

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 : Nuoro, Olbia-Tempio

3% lakePfafstetter: 21800176

Sub-basin area

690,6km²

Upstream area

690,6km²

Discharge

7,55m³/s

Mean elev.

474m

Administrative coverage

2 dept-equivalent regions (GADM L2)

4 intersecting protected areas

  • Monte Albo

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    13.28 km² overlap

  • Posada River Mouth

    IUCN II

    Wetland of International Importance (Ramsar Site)

    5.30 km² overlap

  • Da Tavolara a Capo Comino

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    0.10 km² overlap

  • Da Tavolara a Capo Comino

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    0.10 km² overlap

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

Species present

855 distinct species · 3 377 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 377 obs · 19 cellules
Obs. / cellule
≥ 1 363
351–1 362
170–350
72–169
< 72

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

Ecological tissue

Sample of 49 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 Riu Mannu di Bitti : 35 espèces reliées par 86 interactions GloBI sur 5 types (connectance 7.0%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
50
Interactions affichées
86
Connectance
0.070
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°

14,1°C

Annual rain

662mm

Moisture idx (CMI)

-0,25

Runoff

314mm/an

PET

887mm

AET

524mm

Mean slope

11,0°

Water table

545cm

Forest

11%

Crops

5%

Urban

0%

Protected

0%

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