Ontologia

HydroBASINS lev08 watershed · #1080009210

Bassin · #1080009210

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 4 administrative regions : Bagamoyo, Kibaha, Kibaha Urban, Kisarawe

Pfafstetter: 11739002

Sub-basin area

508,3km²

Upstream area

508,6km²

Discharge

1,76m³/s

Mean elev.

155m

Administrative coverage

4 dept-equivalent regions (GADM L2)

4 intersecting protected areas

  • Ruvu South

    IUCN Not Reported

    Forest Reserve

    130.83 km² overlap

  • Ruvu North

    IUCN Not Reported

    Forest Reserve

    91.78 km² overlap

  • Mangrove

    IUCN Not Reported

    Forest Reserve

    1.16 km² overlap

  • Mangrove

    IUCN Not Reported

    Forest Reserve

    0.02 km² overlap

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

Species present

522 distinct species · 1 638 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 638 obs · 14 cellules
Obs. / cellule
≥ 503
261–502
135–260
66–134
< 66

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

Ecological tissue

Sample of 32 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 · #1080009210 : 28 espèces reliées par 31 interactions GloBI sur 3 types (connectance 5.5%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
31
Connectance
0.055
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°

25,4°C

Annual rain

1 006mm

Moisture idx (CMI)

-0,38

Runoff

190mm/an

PET

1 628mm

AET

851mm

Mean slope

1,3°

Water table

143cm

Forest

58%

Crops

7%

Urban

5%

Protected

45%

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