HydroBASINS lev08 watershed · #4080029960
Bassin de Mayyazhi Puzha
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 3 administrative regions : Kannur, Kozhikode, Wayanad
Sub-basin area
1 073km²
Upstream area
1 073km²
Discharge
2,05m³/s
Mean elev.
109m
Species present
1 191 distinct species · 137 611 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Bassin de Mayyazhi Puzha : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 4 types (connectance 8.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
26,8°C
Annual rain
3 670mm
Moisture idx (CMI)
0,60
Runoff
2 378mm/an
PET
1 454mm
AET
1 061mm
Mean slope
5,4°
Water table
188cm
Forest
85%
Crops
53%
Urban
47%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)