Conservation Easement · usa
Machias River
- Area
- 87 km²
- IUCN cat.
- Not Assigned
- Year
- 2003
Overview
- Designation
- Conservation Easement
- Established
- 2003
- Managing authority
- Other or Unknown Local Government
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
27 distinct species · 65 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 14 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 Machias River : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 11 interactions GloBI sur 2 types (connectance 12.1%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 3 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
94,8km
Lake surface here
0,19km²
Basins crossed
1
Max stream order
5
Max drainage
2 051km²
Discharge in basins
2,0m³/s
Mean precip.
1 186mm/an
Mean T°
5,9°C
Moisture idx
0,29
Max snow
36%
Mean runoff
800mm/an
Mean elev. (basins)
79m
Watersheds crossing here
Lakes (3, top by area)
Rivers / streams (15, ord ≥ 4)
- Machias Riverord 5len here48.72 km44%total111 km
- Old Streamord 3len here22.24 km58%total38 km
- West Branch Machias Riverord 3len here10.72 km81%total13 km
- Pembroke Streamord 1len here4.57 km87%total5 km
- Chain Lakes Streamord 2len here2.27 km20%total11 km
- New Streamord 3len here1.45 km26%total6 km
- Mopang Streamord 2len here1.39 km4%total37 km
- Crooked Riverord 1len here0.96 km8%total12 km
- Ingalls Brookord 1len here0.67 km51%total1 km
- Great Brookord 1len here0.62 km9%total7 km
- Billings Brookord 2len here0.54 km4%total13 km
- Fourth Lake Streamord 3len here0.23 km1%total17 km
3 more river segmentssorted by Strahler order + length
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
- 44.77499, -67.58721
- 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.