Pichi Mahuida
IUCN VINature Reserve · 1974
79 km²
Department · ARG
Pichi Mahuida
Argentina
BSkArid, steppe, cold(100 %)
Species observed
426
Observations
7 104
Area
15 762,5km²
Ecological tissue
Sample of 29 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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Pichi Mahuida : 20 espèces reliées par 42 interactions GloBI sur 3 types (connectance 10.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
29
Interactions affichées
42
Connectance
0.103
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
426 distinct species · 7 104 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,4°C
Annual rain
469mm
Warmest m°
31,2°C
Coldest m°
3,3°C
Elevation: 120 m on average (min 1 m, max 192 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,4°C
Annual rain
469mm
Warmest month
31,2°C
Coldest month
3,3°C
Mean alt.
120m
Min
1m
Max
192m
Std. dev.
39m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(100 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
8,0
Org. C
9,5g/kg
Clay
15,2%
Sand
62,2%
Silt
22,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,9
Org. C
13,4g/kg
Clay
15,0%
Sand
62,3%
Silt
22,7%
5–15 cm
pH H₂O
8,0
Org. C
8,4g/kg
Clay
15,0%
Sand
62,3%
Silt
22,7%
15–30 cm
pH H₂O
8,1
Org. C
6,8g/kg
Clay
15,6%
Sand
61,9%
Silt
22,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest1.0%
Crops0.4%
Built-up0.0%
Bare soil8.9%
Other (grassland, water…)89.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology18 basins · 30 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
295,1km
Lake surface here
7,65km²
Basins crossed
18
Max stream order
7
Max drainage
290 816km²
Discharge in basins
505,2m³/s
Mean precip.
310mm/an
Mean T°
15,0°C
Moisture idx
-0,77
Mean runoff
6mm/an
Mean elev. (basins)
125m
Watersheds crossing here
- Basin #41620sub-area4 420,3 km²overlap3629.46 km²23%
- Basin #42510sub-area2 754,6 km²overlap2639.02 km²17%
- Basin #40930sub-area4 979,2 km²overlap2427.98 km²15%
- Basin #40980sub-area5 752,2 km²overlap1997.71 km²13%
- Basin #43340sub-area1 291,4 km²overlap1292.51 km²8%
- Basin #43680sub-area1 434 km²overlap883.40 km²6%
- Basin #44690sub-area893,3 km²overlap773.30 km²5%
- Bassin de Río Coloradosub-area1 206,1 km²overlap684.19 km²4%
- Bassin de Río Negrosub-area924,9 km²overlap540.52 km²3%
9 more basinssorted by overlap
- Bassin de Río Negrosub-area1 932,2 km²overlap167.49 km²1%
- Bassin de Río Coloradosub-area228,6 km²overlap165.33 km²1%
- Bassin de Río Coloradosub-area257,9 km²overlap153.81 km²1%
- Bassin de Río Coloradosub-area1 900,2 km²overlap144.48 km²1%
- Bassin de Río Coloradosub-area118,7 km²overlap118.84 km²1%
- Bassin de Río Coloradosub-area108,7 km²overlap108.82 km²1%
- Bassin de Río Coloradosub-area60,3 km²overlap32.18 km²0%
- Bassin de Río Curacósub-area543,9 km²overlap0.70 km²0%
- Basin #33920sub-area509,1 km²overlap0.17 km²0%
Lakes (30, top by area)
- Lac 1112785area0,8 km²avg depth1.8 m
- Lac 1112980area0,7 km²avg depth2.6 m
- Lac 1113022area0,6 km²avg depth2.2 m
- Lac 1113008area0,5 km²avg depth1.5 m
- Lac 1113002area0,5 km²avg depth2.4 m
- Lac 1112989area0,4 km²avg depth2.2 m
- Lac 1112995area0,4 km²avg depth1.9 m
- Lac 1112897area0,4 km²avg depth2.2 m
- Lac 1112993area0,3 km²avg depth2.1 m
21 more lakes
- Lac 1113009area0,3 km²avg depth2.2 m
- Lac 1112860area0,3 km²avg depth2.0 m
- Lac 1112932area0,3 km²avg depth1.5 m
- Lac 1112906area0,2 km²avg depth1.4 m
- Lac 1112892area0,2 km²avg depth1.6 m
- Lac 1112981area0,2 km²avg depth1.3 m
- Lac 1112991area0,2 km²avg depth1.4 m
- Lac 1113006area0,2 km²avg depth1.5 m
- Lac 1112895area0,2 km²avg depth1.8 m
- Lac 1112941area0,2 km²avg depth1.6 m
- Lac 1112914area0,2 km²avg depth1.3 m
- Lac 1113012area0,2 km²avg depth1.6 m
- Lac 1112940area0,1 km²avg depth1.6 m
- Lac 1112896area0,1 km²avg depth1.3 m
- Lac 1112852area0,1 km²avg depth2.0 m
- Lac 1112961area0,1 km²avg depth1.7 m
- Lac 1112912area0,1 km²avg depth1.0 m
- Lac 1112905area0,1 km²avg depth1.3 m
- Lac 1112948area0,1 km²avg depth1.6 m
- Lac 1112816area0,1 km²avg depth2.1 m
- Lac 1112907area0,1 km²avg depth1.1 m
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
1,3%
Pesticides
15,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN VI · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN