HydroBASINS lev08 watershed · #2080033900
Bassin de Kravleelva
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 6 administrative regions : Kristiansand, Mandal, Marnardal, Songdalen, Søgne +1
Sub-basin area
588,8km²
Upstream area
588,8km²
Discharge
3,84m³/s
Mean elev.
118m
Administrative coverage
6 dept-equivalent regions (GADM L2)
- 164.1 km²27.7% of basin
- 143.1 km²24.2% of basin
- 91.1 km²15.4% of basin
- 60.2 km²10.2% of basin
- 59.4 km²10.0% of basin
- 16.9 km²2.9% of basin
30 intersecting protected areas
Oksøy-Ryvingen
IUCN Not ReportedEmerald Network
49.18 km² overlap
Oksøy-Ryvingen
IUCN VProtected Landscape
46.65 km² overlap
Kristiansand kommuneskog
IUCN Not ReportedZoological Protection of Species
13.40 km² overlap
Svingervann
IUCN IaNature Reserve
2.58 km² overlap
Torjusheia
IUCN Not ReportedEmerald Network
1.88 km² overlap
Torjusheia
IUCN IaNature Reserve
1.88 km² overlap
Nature Reserve
0.88 km² overlap
Birkelid
IUCN IaNature Reserve
0.63 km² overlap
Sognevannet
IUCN IaNature Reserve
0.37 km² overlap
21 more protected areassorted by overlap area
Valløy
IUCN IaNature Reserve
0.34 km² overlap
Store Vengelsholmen
IUCN IaNature Reserve
0.31 km² overlap
Slettingen
IUCN IaNature Reserve
0.27 km² overlap
Herøya
IUCN IaNature Reserve
0.25 km² overlap
Store Lyngholmen
IUCN IaNature Reserve
0.21 km² overlap
Mandalsheia
IUCN IaNature Reserve
0.20 km² overlap
Lyngbudalen
IUCN IaNature Reserve
0.18 km² overlap
Birkelandsvann
IUCN IaNature Reserve
0.17 km² overlap
Hegglandsheia
IUCN IaNature Reserve
0.17 km² overlap
Søndre Eggvær
IUCN IaNature Reserve
0.14 km² overlap
Myran
IUCN IaNature Reserve
0.14 km² overlap
Kjosbukta
IUCN IaNature Reserve
0.12 km² overlap
Try
IUCN IaNature Reserve
0.12 km² overlap
Lohnetjønn
IUCN IaNature Reserve
0.10 km² overlap
Skjøringen
IUCN IaNature Reserve
0.09 km² overlap
Lunde
IUCN IaNature Reserve
0.07 km² overlap
Orlogskarten
IUCN IaNature Reserve
0.06 km² overlap
Kjellingen
IUCN IaNature Reserve
0.05 km² overlap
Store Øygarden
IUCN IaNature Reserve
0.03 km² overlap
Småtjønna
IUCN IaNature Reserve
0.03 km² overlap
Skotholmen
IUCN IaNature Reserve
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
9 677 distinct species · 787 183 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Kravleelva : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 97 interactions GloBI sur 3 types (connectance 16.3%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
6,8°C
Annual rain
1 355mm
Moisture idx (CMI)
0,68
Runoff
1 329mm/an
PET
437mm
AET
426mm
Mean slope
5,7°
Water table
233cm
Forest
88%
Crops
4%
Urban
7%
Protected
11%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)