National Wildlife Refuge · usa
Petit Manan
- Area
- 31 km²
- IUCN cat.
- IV
Overview
- Designation
- National Wildlife Refuge
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
0 - Managing authority
- U.S. Fish and Wildlife Service ; Non-Governmental Organization
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 501 distinct species · 131 797 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Petit Manan : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 3 types (connectance 12.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology13 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
13
Max drainage
1 686km²
Discharge in basins
0,2m³/s
Mean precip.
1 231mm/an
Mean T°
6,7°C
Moisture idx
0,31
Max snow
33%
Mean runoff
897mm/an
Mean elev. (basins)
41m
Watersheds crossing here
- Bassin de Tunk Streamsub-area564 km²overlap23.61 km²77%
- Bassin de Passagassawakeag Riversub-area962,9 km²overlap1.56 km²5%
- Bassin de Bagaduce Riversub-area1 450,6 km²overlap1.41 km²5%
- Bassin de Englishman Riversub-area145,3 km²overlap1.27 km²4%
- Bassin de Cross Riversub-area167,4 km²overlap0.56 km²2%
- Bassin de Swains Creeksub-area161,9 km²overlap0.39 km²1%
- Bassin de Cousins Riversub-area439 km²overlap0.31 km²1%
- Bassin de Indian Riversub-area262,1 km²overlap0.16 km²1%
- Bassin de Goose Riversub-area183,8 km²overlap0.10 km²0%
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
- 44.49818, -67.87165
- 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.