Lake Piso Multiple Sustainable Use Reserve
IUCN Not ReportedMultiple Sustainable Use Reserve · 2003
958 km²
District · SLE
Pujehun
Sierra Leone
AmTropical, monsoon(100 %)
Species observed
655
Observations
2 401
Area
3 895,1km²
Ecological tissue
Sample of 23 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 Pujehun : 18 espèces reliées par 21 interactions GloBI sur 3 types (connectance 7.0%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
25
Interactions affichées
21
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).
Species present
655 distinct species · 2 401 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
25,4°C
Annual rain
3 247mm
Warmest m°
31,8°C
Coldest m°
22,1°C
Elevation: 40 m on average (min -250 m, max 215 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
25,4°C
Annual rain
3 247mm
Warmest month
31,8°C
Coldest month
22,1°C
Mean alt.
40m
Min
-250m
Max
215m
Std. dev.
31m
Köppen-Geiger (dominant)
AmTropical, monsoon(100 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,1
Org. C
29,9g/kg
Clay
29,9%
Sand
48,1%
Silt
21,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: wbGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,1
Org. C
41,3g/kg
Clay
28,9%
Sand
49,1%
Silt
22,0%
5–15 cm
pH H₂O
5,1
Org. C
28,3g/kg
Clay
29,4%
Sand
48,5%
Silt
22,0%
15–30 cm
pH H₂O
5,1
Org. C
20,2g/kg
Clay
31,5%
Sand
46,8%
Silt
21,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest55.5%
Crops2.5%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)41.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology16 basins · 12 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
548,4km
Lake surface here
46,20km²
Basins crossed
16
Max stream order
6
Max drainage
19 650km²
Discharge in basins
1 129,9m³/s
Mean precip.
3 268mm/an
Mean T°
26,5°C
Moisture idx
0,50
Mean runoff
1 686mm/an
Mean elev. (basins)
71m
Watersheds crossing here
- Bassin de Moasub-area2 552,4 km²overlap1120.49 km²29%
- Bassin de Waanjesub-area473,6 km²overlap424.97 km²11%
- Bassin de Waanjesub-area387,9 km²overlap386.30 km²10%
- Bassin de Waanjesub-area339,9 km²overlap338.44 km²9%
- Bassin de Malensub-area674,2 km²overlap274.58 km²7%
- Bassin de Waanjesub-area295,5 km²overlap273.92 km²7%
- Bassin de Manosub-area657,3 km²overlap222.38 km²6%
- Bassin de Waanjesub-area534,4 km²overlap214.49 km²6%
- Bassin de Waanjesub-area310,3 km²overlap156.69 km²4%
7 more basinssorted by overlap
- Bassin de Mahosub-area823,9 km²overlap135.88 km²3%
- Bassin de Manosub-area608,2 km²overlap105.76 km²3%
- Bassin de Waanjesub-area1 179,7 km²overlap91.32 km²2%
- Bassin de Waanjesub-area79,7 km²overlap79.41 km²2%
- Bassin de Manosub-area51,6 km²overlap47.81 km²1%
- Basin #17410sub-area287,1 km²overlap21.31 km²1%
- Basin #24970sub-area53,9 km²overlap1.20 km²0%
Lakes (12, top by area)
- Lake Mapearea25,5 km²avg depth2.3 m
- Lake Mabesiarea15,1 km²avg depth2.7 m
- Lake Masatoiarea2,2 km²avg depth1.7 m
- Lake #80222area1 km²avg depth2.6 m
- Lac 1404994area0,8 km²avg depth3.3 m
- Lac 1405081area0,6 km²avg depth1.6 m
- Lac 1405126area0,5 km²avg depth2.1 m
- Lac 1405036area0,3 km²avg depth3.1 m
- Lac 1405125area0,2 km²avg depth2.0 m
Rivers / streams (8, ord ≥ 4)
- Waanjeord 5len here171.84 km45%total384 km
- Moaord 6len here170.27 km28%total599 km
- Manoord 5len here133.35 km60%total221 km
- Mahoord 4len here53.18 km64%total83 km
- Malenord 4len here13.77 km60%total23 km
- Goliaord 2len here3.30 km100%total3 km
- Manoord 1len here2.44 km89%total3 km
- Kuinja Creekord 4len here0.28 km2%total17 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,0nW
Built-up
14,9%
Pesticides
10,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas17
IUCN Not Reported · 14IUCN Not Applicable · 1IUCN II · 1IUCN IV · 1🌊 Marine · 1
Gola-Tiwai Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2025
712 km²
Gola Rainforest National Park
IUCN IINational Park · 2010
710 km²
SOCFIN Oilpalm Plantation Forest
IUCN Not ReportedForest Reserve
221 km²
Kambui South
IUCN Not ReportedForest Reserve · 1920
107 km²
Gbekema-Kanayema
IUCN Not ReportedForest Reserve
77 km²
Complete list17 protected areas
- Lake Piso Multiple Sustainable Use ReserveMultiple Sustainable Use ReserveIUCN Not Reported2003958 km²
- Gola-Tiwai ComplexWorld Heritage Site (natural or mixed)IUCN Not Applicable2025712 km²
- Gola Rainforest National ParkNational ParkIUCN II2010710 km²
- SOCFIN Oilpalm Plantation ForestForest ReserveIUCN Not Reported221 km²
- Kambui SouthForest ReserveIUCN Not Reported1920107 km²
- Gbekema-KanayemaForest ReserveIUCN Not Reported77 km²
- NjagoForest ReserveIUCN Not Reported62 km²
- MadinaForest ReserveIUCN Not Reported61 km²
- Bojeni HillsForest ReserveIUCN Not Reported192344 km²
- SahunForest ReserveIUCN Not Reported34 km²
- SamiForest ReserveIUCN Not Reported27 km²
- MassaweiForest ReserveIUCN Not Reported17 km²
- Bomi - FanimaForest ReserveIUCN Not Reported13 km²
- Tiwai Island SanctuaryGame Sanctuary / Non-hunting Forest ReserveIUCN IV198713 km²
- LalayForest ReserveIUCN Not Reported196312 km²
- GonohunForest ReserveIUCN Not Reported9 km²
- KpassamboForest ReserveIUCN Not Reported8 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN