Ontologia

HydroBASINS lev08 watershed · #1081477090

Bassin de Gaerezi

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 across 2 countries : Barue, Mutasa, Nyanga

Pfafstetter: 12232249

Sub-basin area

889,2km²

Upstream area

889,2km²

Discharge

15,44m³/s

Mean elev.

1 494m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Nyaruwakwa River244 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

3 intersecting protected areas

  • Gairezi Res

    IUCN Not Reported

    Wildlife Management Area

    247.99 km² overlap

  • Nyangui

    IUCN Not Reported

    State Forest

    61.55 km² overlap

  • Nyanga

    IUCN II

    National Park

    28.41 km² overlap

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

Species present

857 distinct species · 3 962 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 962 obs · 20 cellules
Obs. / cellule
≥ 1 710
804–1 709
148–803
37–147
< 37

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

Ecological tissue

Sample of 25 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 Gaerezi : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 20 interactions GloBI documentées sur 4 types (connectance 6.7%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
25
Interactions affichées
20
Connectance
0.067
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°

16,5°C

Annual rain

1 600mm

Moisture idx (CMI)

0,16

Runoff

541mm/an

PET

1 306mm

AET

955mm

Mean slope

10,8°

Water table

496cm

Forest

93%

Crops

7%

Urban

1%

Protected

38%

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