Rivière· 68 segments
Altamaha River
Crosses 10 administrative regions : Appling, Glynn, Jeff Davis, Long, McIntosh +5
Total length
215km
Max discharge
423,3m³/s
Max Strahler
6
Segments matched
68
River geography10 admin regions · 0 communes
10 administrative regions crossed (GADM L2)
- LongGeorgia · United States82.6 kmin this dpt
- McIntoshGeorgia · United States59.9 kmin this dpt
- ApplingGeorgia · United States53.7 kmin this dpt
- WayneGeorgia · United States53.7 kmin this dpt
- TattnallGeorgia · United States28.9 kmin this dpt
- ToombsGeorgia · United States16.8 kmin this dpt
- GlynnGeorgia · United States12.8 kmin this dpt
- Jeff DavisGeorgia · United States11.3 kmin this dpt
- MontgomeryGeorgia · United States5.8 kmin this dpt
- WheelerGeorgia · United States4.6 kmin this dpt
24 intersecting protected areas
Altamaha
IUCN VWildlife Management Area
Townsend
IUCN VWildlife Management Area
Marine Protected Area
Sansavilla
IUCN VWildlife Management Area
Bullard Creek
IUCN VWildlife Management Area
Penholoway Swamp
IUCN VWildlife Management Area
Griffin Ridge
IUCN VWildlife Management Area
Big Hammock
IUCN VWildlife Management Area
Reserve Program
15 more protected areassorted by area
Clayhole Swamp
IUCN VWildlife Management Area
Altamaha River Megasite
IUCN VEasement
Moody Forest
IUCN VNatural Area
Reserve Program
Moody
IUCN VForest Preserve
Altamaha-Rayonier
IUCN VState Natural Area
Marine Protected Area
Conservation Easement
Georgia-Alabama Land Trust Easement #840
IUCN Not AssignedEasement
2012017
IUCN VConservation Easement
Reserve Program
Carrs Island
IUCN VPreserve
Georgia-Alabama Land Trust Easement #768
IUCN Not AssignedEasement
Conservation Easement
Glynn County
IUCN IIIGreenspace
1 page = 1 named river (aggregation of 68 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
104 distinct species · 223 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Altamaha River : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 88 interactions GloBI sur 4 types (connectance 9.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
215km
Max discharge
423,3m³/s
Max Strahler
6
Segments matched
68
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.