Wetland of International Importance (Ramsar Site) · PER
Pacaya Samiria
- Area
- 21 718 km²
- IUCN cat.
- Not Reported
- Year
- 1992
Overview
- Designation
- Wetland of International Importance (Ramsar Site)
- Established
- 1992
- Managing authority
- Not Reported
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
2 845 distinct species · 112 548 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 20 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).
Indicateurs du tissu écologique
Tissu écologique de Pacaya Samiria : 15 espèces reliées par 20 interactions GloBI sur 3 types (connectance 10.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology41 basins · 50 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
1 593,8km
Lake surface here
120,64km²
Basins crossed
41
Max stream order
8
Max drainage
364 873km²
Discharge in basins
95 798,6m³/s
Mean precip.
2 262mm/an
Mean T°
26,8°C
Moisture idx
0,22
Mean runoff
1 631mm/an
Mean elev. (basins)
126m
Watersheds crossing here
- Bassin de Río Samiriasub-area3 307,5 km²overlap3139.56 km²14%
- Bassin de Río Pacayasub-area2 433,4 km²overlap2102.20 km²10%
- Bassin de Río Yanayacu Grandesub-area1 942,5 km²overlap1934.04 km²9%
- Bassin de Río Samiriasub-area1 379 km²overlap1373.02 km²6%
- Bassin de Samiriasub-area1 571,4 km²overlap1180.28 km²5%
- Bassin de Río Ucayalisub-area1 472,9 km²overlap1154.21 km²5%
- Bassin de Río Marañónsub-area2 222,4 km²overlap1130.30 km²5%
- Bassin de Río Samiriasub-area912,8 km²overlap908.85 km²4%
- Bassin de Río Pacayasub-area889,7 km²overlap885.84 km²4%
32 more basinssorted by overlap
- Bassin de Río Pacayasub-area718,2 km²overlap715.10 km²3%
- Bassin de Río Samiriasub-area707,6 km²overlap704.53 km²3%
- Bassin de Río Yanaquillosub-area616,9 km²overlap614.18 km²3%
- Bassin de Río Yanayacu Grandesub-area596,8 km²overlap591.54 km²3%
- Bassin de Río Marañónsub-area1 460 km²overlap576.52 km²3%
- Bassin de Río Samiriasub-area578,6 km²overlap576.03 km²3%
- Bassin de Río Ucayalisub-area1 207,4 km²overlap501.72 km²2%
- Bassin de Río Ucayalisub-area498,4 km²overlap496.09 km²2%
- Bassin de Río Pacayasub-area464,7 km²overlap462.66 km²2%
- Bassin de Río Marañónsub-area2 407,9 km²overlap449.03 km²2%
- Bassin de Río Ucayalisub-area379,8 km²overlap375.35 km²2%
- Bassin de Río Marañónsub-area787,7 km²overlap350.10 km²2%
- Bassin de Río Ucayalisub-area976,7 km²overlap307.95 km²1%
- Bassin de Río Ucayalisub-area909,5 km²overlap294.85 km²1%
- Bassin de Río Pacayasub-area170,8 km²overlap170.09 km²1%
- Bassin de Río Marañónsub-area316,7 km²overlap157.79 km²1%
- Bassin de Río Ucayalisub-area388,5 km²overlap138.87 km²1%
- Bassin de Río Marañónsub-area161,1 km²overlap103.62 km²0%
- Bassin de Río Ucayalisub-area194,5 km²overlap87.18 km²0%
- Bassin de Río Ucayalisub-area225,5 km²overlap63.33 km²0%
- Bassin de Río Samiriasub-area35 km²overlap34.89 km²0%
- Bassin de Río Ucayalisub-area76 km²overlap33.68 km²0%
- Bassin de Río Ucayalisub-area108,9 km²overlap30.38 km²0%
- Bassin de Río Marañónsub-area63,5 km²overlap23.90 km²0%
- Bassin de Río Ucayalisub-area58,1 km²overlap21.40 km²0%
- Bassin de Río Yuracyacusub-area353,6 km²overlap10.85 km²0%
- Bassin de Río Huallagasub-area90,5 km²overlap8.35 km²0%
- Bassin de Río Marañónsub-area8,3 km²overlap5.24 km²0%
- Bassin de Río Huallagasub-area1 150,3 km²overlap3.51 km²0%
- Basin #27630sub-area1,7 km²overlap0.62 km²0%
- Bassin de Río Shishinahuasub-area1 147,5 km²overlap0.25 km²0%
- Bassin de Río Urituyacusub-area27 km²overlap0.00 km²0%
Lakes (50, top by area)
- Lake #10117area11,2 km²avg depth3.6 m
- Lake #18776area6,6 km²avg depth2.1 m
- Laguna Lobo Cochaarea6,2 km²avg depth5.5 m
- Lake #18726area6,1 km²avg depth2.9 m
- Lake #18819area5,3 km²avg depth1.0 m
- Lake #18782area4,5 km²avg depth4.3 m
- Lake #18755area4 km²avg depth1.7 m
- Lake #18700area4 km²avg depth3.5 m
- Lake #18673area3,9 km²avg depth7.3 m
41 more lakes
- Laguna Suniarea3,6 km²avg depth4.5 m
- Lake #18922area3,5 km²avg depth6.1 m
- Laguna Bolívararea3,2 km²avg depth5.2 m
- Laguna Pozoarea2,9 km²avg depth4.7 m
- Lake #18630area2,7 km²avg depth5.0 m
- Laguna Yanoallpaarea2,4 km²avg depth3.7 m
- Lake #18793area2,4 km²avg depth2.2 m
- Lake #18791area2,4 km²avg depth2.2 m
- Lake #18642area2,2 km²avg depth3.0 m
- Lake #18781area2,1 km²avg depth3.7 m
- Lake #18639area2,1 km²avg depth4.9 m
- Lake #18660area2,1 km²avg depth2.7 m
- Laguna Supayarea2 km²avg depth2.7 m
- Laguna Lupunaarea1,9 km²avg depth1.6 m
- Lake #18839area1,9 km²avg depth3.6 m
- Lake #18699area1,8 km²avg depth1.7 m
- Lake #18752area1,5 km²avg depth2.5 m
- Lake #18686area1,5 km²avg depth4.7 m
- Lake #18746area1,4 km²avg depth4.7 m
- Lake #18930area1,4 km²avg depth3.7 m
- Lake #18594area1,4 km²avg depth3.7 m
- Laguna Charapillaarea1,4 km²avg depth2.9 m
- Lake #18840area1,4 km²avg depth4.9 m
- Lake #18744area1,3 km²avg depth3.9 m
- Lake #18650area1,2 km²avg depth4.2 m
- Lake #18735area1,2 km²avg depth2.1 m
- Lake #18665area1,2 km²avg depth4.0 m
- Lake #18667area1,2 km²avg depth4.7 m
- Lake #18834area1,2 km²avg depth0.5 m
- Lake #18771area1,1 km²avg depth1.5 m
- Lake #18766area1,1 km²avg depth3.0 m
- Lake #18589area1,1 km²avg depth2.9 m
- Lake #18592area1,1 km²avg depth2.9 m
- Lake #18723area1,1 km²avg depth5.4 m
- Lake #18730area1,1 km²avg depth3.9 m
- Lake #18913area1 km²avg depth3.5 m
- Lake #18692area1 km²avg depth3.2 m
- Lake #18734area1 km²avg depth3.5 m
- Lake #18689area1 km²avg depth1.3 m
- Lake #18795area1 km²avg depth3.8 m
- Lake #18701area1 km²avg depth4.7 m
Rivers / streams (10, ord ≥ 4)
- Río Samiriaord 8len here439.99 km99%total445 km
- Río Pacayaord 5len here428.91 km89%total485 km
- Río Ucayaliord 8len here170.84 km7%total2562 km
- Río Marañónord 8len here164.73 km6%total2753 km
- Río Yanayacu Grandeord 4len here156.47 km100%total157 km
- Río Yanaquilloord 6len here126.47 km100%total127 km
- Río Cauchíoord 3len here75.42 km100%total76 km
- Samiriaord 4len here22.74 km100%total23 km
- Tipishca Huamaord 4len here8.14 km100%total8 km
- Río Urituyacuord 8len here0.10 km0%total361 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- -5.30893, -74.96317
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.