Pirung Eight Islands
IUCN Not ReportedWildlife Management Area · 1989
539 km²
Autonomous Region · png
Bougainville
Papua New Guinea
AfTropical, rainforest(97 %)
Species observed
2 198
Observations
28 486
Area
9 409km²
Ecological tissue
Sample of 13 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 Bougainville : 9 espèces reliées par 11 interactions GloBI sur 2 types (connectance 14.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
13
Interactions affichées
11
Connectance
0.141
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 198 distinct species · 28 486 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
24,2°C
Annual rain
3 994mm
Warmest m°
27,3°C
Coldest m°
22,1°C
Elevation: 360 m on average (min -759 m, max 2 572 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
24,2°C
Annual rain
3 994mm
Warmest month
27,3°C
Coldest month
22,1°C
Mean alt.
360m
Min
-759m
Max
2 572m
Std. dev.
437m
Köppen-Geiger (dominant)
AfTropical, rainforest(97 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,3
Org. C
136,1g/kg
Clay
42,1%
Sand
26,8%
Silt
31,2%
Average over 0-30 cm. Per-depth details in expert panel.
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,2
Org. C
135,9g/kg
Clay
41,0%
Sand
27,6%
Silt
31,4%
5–15 cm
pH H₂O
5,3
Org. C
106,1g/kg
Clay
41,8%
Sand
26,8%
Silt
31,4%
15–30 cm
pH H₂O
5,3
Org. C
166,3g/kg
Clay
43,4%
Sand
25,9%
Silt
30,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest91.9%
Crops0.0%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)7.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology11 basins · 7 lakes · 100 rivers
Hydrology metrics for this exact territory
Stream length here
1 852,1km
Lake surface here
7,78km²
Basins crossed
11
Max stream order
4
Max drainage
4 330km²
Discharge in basins
145,3m³/s
Mean precip.
3 407mm/an
Mean T°
25,2°C
Moisture idx
0,58
Mean runoff
1 807mm/an
Mean elev. (basins)
366m
Watersheds crossing here
- Bassin de Mariropasub-area4 330,2 km²overlap4154.71 km²44%
- Bassin de Aropa Riversub-area1 480,1 km²overlap1415.59 km²15%
- Bassin de Mivosub-area1 108,6 km²overlap1087.68 km²12%
- Bassin de Samiaisub-area804,4 km²overlap772.22 km²8%
- Bassin de Jabasub-area515,5 km²overlap513.12 km²5%
- Bassin de Laluaisub-area511,6 km²overlap509.27 km²5%
- Bassin de Taverisub-area394,9 km²overlap380.61 km²4%
- Bassin de Wakunai (Ururon)sub-area291,8 km²overlap290.27 km²3%
- Bassin de Puriata Riversub-area243,1 km²overlap242.04 km²3%
2 more basinssorted by overlap
Lakes (7, top by area)
Rivers / streams (100, ord ≥ 4)
- Laluaiord 3len here109.02 km100%total109 km
- Puriata Riverord 3len here63.86 km100%total64 km
- Wakunai (Ururon)ord 3len here63.30 km99%total64 km
- Jabaord 4len here61.69 km100%total62 km
- Samiaiord 3len here53.29 km99%total54 km
- Nunopaord 3len here49.20 km100%total49 km
- Mariropaord 3len here48.98 km100%total49 km
- Sarimeord 3len here45.85 km100%total46 km
- Mivoord 3len here44.50 km100%total45 km
- Taveriord 3len here43.68 km100%total44 km
- Abiaord 3len here43.07 km100%total43 km
- Mobiaiord 3len here42.70 km100%total43 km
88 more river segmentssorted by Strahler order + length
- Ramazonord 3len here41.06 km99%total41 km
- Silibaiord 3len here40.19 km100%total40 km
- Aitaord 3len here39.13 km100%total39 km
- Hongoraiord 3len here38.54 km100%total39 km
- Red Riverord 3len here38.04 km100%total38 km
- Mulikoord 3len here35.00 km100%total35 km
- Porrorord 2len here32.92 km100%total33 km
- Uguimoord 3len here32.29 km100%total32 km
- Makapeka Riverord 3len here31.61 km100%total32 km
- Wapiaiord 3len here31.07 km100%total31 km
- Oreiord 3len here30.74 km100%total31 km
- Torokinaord 3len here30.59 km99%total31 km
- Uruaiord 3len here28.69 km99%total29 km
- Tsinamutuord 3len here28.04 km100%total28 km
- Larumaord 3len here24.49 km100%total25 km
- Toreord 2len here23.85 km100%total24 km
- Gengaord 2len here23.69 km99%total24 km
- Atsinimaord 3len here22.91 km100%total23 km
- Gaganord 3len here22.50 km100%total23 km
- Tauriord 3len here21.82 km100%total22 km
- Baniuord 3len here21.16 km100%total21 km
- Aropa Riverord 3len here20.68 km100%total21 km
- Pipiru Riverord 2len here20.59 km100%total21 km
- Rauaord 3len here20.44 km100%total21 km
- Tekanord 2len here19.19 km100%total19 km
- Ogorataord 2len here17.61 km100%total18 km
- Paganaord 4len here16.75 km100%total17 km
- Kavikiord 2len here16.09 km99%total16 km
- Boanaiord 2len here15.94 km100%total16 km
- Topopuraord 3len here15.83 km100%total16 km
- Irungord 2len here15.38 km99%total16 km
- Tinputzord 1len here14.91 km99%total15 km
- Nagamord 2len here14.83 km100%total15 km
- Ataraord 2len here14.56 km100%total15 km
- Oamaiord 3len here14.00 km100%total14 km
- Kiakaraord 2len here13.39 km100%total13 km
- Zupakauord 2len here13.03 km100%total13 km
- Baboriord 3len here12.59 km100%total13 km
- Pivaord 2len here12.59 km100%total13 km
- Piriasord 2len here11.47 km100%total11 km
- Umumord 2len here11.38 km97%total12 km
- Tavutavuord 3len here10.72 km99%total11 km
- Lipapaord 2len here10.52 km100%total11 km
- Moruanaord 2len here8.71 km100%total9 km
- Irakaord 2len here8.58 km100%total9 km
- Taugarungaord 3len here8.25 km100%total8 km
- Sauaord 2len here8.06 km98%total8 km
- Novaord 2len here8.02 km100%total8 km
- Birieineord 2len here8.02 km100%total8 km
- Uruaiord 1len here7.79 km99%total8 km
- Modionuord 1len here7.53 km100%total8 km
- Hariord 2len here7.48 km100%total7 km
- Comptonord 2len here7.47 km100%total7 km
- Hari Riverord 2len here7.27 km100%total7 km
- Bororaord 2len here7.23 km95%total8 km
- Tiokonaord 2len here6.91 km98%total7 km
- Puriata Riverord 2len here6.72 km100%total7 km
- Koroord 2len here6.64 km100%total7 km
- Asiamanaord 3len here6.35 km100%total6 km
- Kakasord 1len here5.89 km100%total6 km
- Saumitzord 2len here5.76 km100%total6 km
- Marauord 2len here5.18 km100%total5 km
- Roroord 2len here5.16 km99%total5 km
- Nagamord 2len here4.99 km95%total5 km
- Kerevaruord 1len here4.97 km100%total5 km
- Mamayeguord 2len here4.83 km100%total5 km
- Bovoord 3len here4.68 km100%total5 km
- Jaba Riverord 2len here4.64 km100%total5 km
- Poritanaord 2len here4.45 km100%total4 km
- Worunaord 2len here3.99 km99%total4 km
- Adurniord 2len here3.40 km96%total4 km
- Ulaluord 1len here3.38 km100%total3 km
- Uruaiord 2len here3.11 km100%total3 km
- Aibobuaord 2len here3.06 km94%total3 km
- Reiniord 3len here2.93 km100%total3 km
- Waliwalinaord 1len here2.73 km99%total3 km
- Barabinangord 1len here2.54 km100%total3 km
- Reiniord 1len here2.09 km100%total2 km
- Mamayeguord 1len here2.09 km100%total2 km
- Kururord 2len here1.80 km100%total2 km
- Kipraeord 1len here1.44 km100%total1 km
- Ukuakanaord 1len here1.34 km99%total1 km
- Arlaiord 1len here1.34 km100%total1 km
- Hapanord 3len here1.30 km100%total1 km
- Tagessiord 3len here1.30 km100%total1 km
- Kuwaikuwaiord 1len here0.98 km100%total1 km
- Uaaiuord 1len here0.91 km93%total1 km
- Little Siwiord 1len here0.84 km86%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
10,5%
Pesticides
0,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1🌊 Marine · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN