Valle Fértil
IUCN VIMultiple Use Reserve · 1971
7 776 km²
Department · ARG
Valle Fértil
Argentina
BWkArid, desert, cold(59 %)
Species observed
720
Observations
8 662
Area
5 527,8km²
Ecological tissue
Sample of 41 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 Valle Fértil : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 46 interactions GloBI sur 3 types (connectance 5.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
41
Interactions affichées
46
Connectance
0.056
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
720 distinct species · 8 662 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
16,3°C
Annual rain
239mm
Warmest m°
28,3°C
Coldest m°
3,3°C
Elevation: 1 062 m on average (min 404 m, max 2 563 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
16,3°C
Annual rain
239mm
Warmest month
28,3°C
Coldest month
3,3°C
Mean alt.
1 062m
Min
404m
Max
2 563m
Std. dev.
436m
Köppen-Geiger (dominant)
BWkArid, desert, cold(59 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,8
Org. C
12,3g/kg
Clay
15,9%
Sand
55,8%
Silt
28,4%
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
7,8
Org. C
13,9g/kg
Clay
15,4%
Sand
56,0%
Silt
28,6%
5–15 cm
pH H₂O
7,8
Org. C
10,9g/kg
Clay
16,0%
Sand
55,8%
Silt
28,2%
15–30 cm
pH H₂O
7,8
Org. C
12,3g/kg
Clay
16,2%
Sand
55,4%
Silt
28,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest3.9%
Crops0.6%
Built-up0.0%
Bare soil19.8%
Other (grassland, water…)75.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology15 basins · 1 lakes · 39 rivers
Hydrology metrics for this exact territory
Stream length here
979,9km
Lake surface here
0,13km²
Basins crossed
15
Max stream order
6
Max drainage
27 148km²
Discharge in basins
10,5m³/s
Mean precip.
254mm/an
Mean T°
16,9°C
Moisture idx
-0,83
Mean runoff
12mm/an
Mean elev. (basins)
1 081m
Watersheds crossing here
- Bassin de Río del Vallesub-area2 868,1 km²overlap2687.58 km²49%
- Bassin de Arroyo Las Cuyanassub-area2 874,9 km²overlap1567.72 km²28%
- Bassin de Río Las Baldecitossub-area2 680 km²overlap421.41 km²8%
- Bassin de Río de La Peñasub-area365,2 km²overlap315.11 km²6%
- Bassin de Río Bermejosub-area229,8 km²overlap205.54 km²4%
- Bassin de Río Bermejosub-area205,1 km²overlap145.47 km²3%
- Bassin de Río Bermejosub-area318,9 km²overlap98.05 km²2%
- Bassin de Río Bermejosub-area489,7 km²overlap37.40 km²1%
- Bassin de Arroyo de Los Papagayossub-area575,8 km²overlap22.39 km²0%
6 more basinssorted by overlap
- Bassin de Río Bermejosub-area2 540,9 km²overlap17.92 km²0%
- Bassin de Río Talampayasub-area303,9 km²overlap4.19 km²0%
- Bassin de Río Gualosub-area572,2 km²overlap2.72 km²0%
- Bassin de Río Bermejosub-area155,9 km²overlap2.32 km²0%
- Bassin de Río Del Altosub-area286,6 km²overlap0.01 km²0%
- Basin #53450sub-area541,6 km²overlap0.00 km²0%
Lakes (1, top by area)
Rivers / streams (39, ord ≥ 4)
- Río del Valleord 5len here123.64 km100%total124 km
- Río Bermejoord 7len here72.58 km10%total730 km
- Río San Antonioord 4len here55.08 km100%total55 km
- Río Asticaord 2len here54.42 km100%total55 km
- Río Las Tumanasord 2len here47.59 km100%total48 km
- Río de La Peñaord 6len here43.44 km63%total69 km
- Arroyo Las Cuyanasord 1len here31.96 km100%total32 km
- Río Asilánord 2len here31.87 km100%total32 km
- Río de los Chávezord 3len here31.33 km93%total34 km
- Río Duraznoord 2len here29.82 km100%total30 km
- Río Las Baldecitosord 3len here29.26 km56%total52 km
- Quebrada La Cercadaord 1len here28.50 km100%total29 km
27 more river segmentssorted by Strahler order + length
- Río Usnoord 4len here27.26 km100%total27 km
- Quebrada de la Vírgenord 1len here25.96 km100%total26 km
- Río del Chorrilloord 3len here25.56 km51%total50 km
- Arroyo La Mesadaord 1len here25.27 km100%total25 km
- Quebrada Arenosaord 1len here24.40 km99%total25 km
- Arroyo Chucumaord 1len here22.93 km100%total23 km
- Río del Puestoord 2len here21.86 km72%total30 km
- Río del Potreroord 3len here21.53 km100%total22 km
- Quebrada El Algarroboord 2len here20.86 km100%total21 km
- Río de la Chilcaord 2len here18.21 km44%total42 km
- Río de Las Guardiasord 3len here16.68 km36%total46 km
- Quebrada de Chávezord 3len here15.76 km100%total16 km
- Quebrada El Mellizoord 1len here14.22 km100%total14 km
- Río de la Huertaord 1len here12.25 km100%total12 km
- Quebrada de los Burrosord 1len here11.45 km100%total11 km
- Río Las Talasord 3len here11.43 km100%total11 km
- Río Las Moraditasord 3len here10.18 km43%total24 km
- Quebrada Otárolaord 1len here9.47 km100%total9 km
- Río de Ischigualastoord 3len here9.12 km100%total9 km
- Quebrada del Potrerilloord 1len here8.67 km100%total9 km
- Quebrada San Antonioord 1len here8.25 km100%total8 km
- Quebrada de las Tunasord 1len here7.74 km100%total8 km
- Río Verdeord 1len here7.38 km100%total7 km
- Arroyo La Mesaord 2len here6.78 km100%total7 km
- Río La Talaord 1len here6.46 km100%total6 km
- Quebrada La Doloresord 1len here5.38 km100%total5 km
- Río Loma Negraord 3len here5.37 km79%total7 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
1,5%
Pesticides
0,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN II · 2IUCN VI · 1IUCN Not Applicable · 1
Ischigualasto / Talampaya Natural Parks
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2000
2 695 km²
Talampaya
IUCN IINational Park · 1997
2 131 km²
Ischigualasto
IUCN IIProvincial Park · 1971
665 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN