Arroyo Zabala
IUCN VIMultiple Use Nature Reserve · 2001
16 km²
Part · ARG
Necochea
Argentina
CfbTemperate, no dry season, warm summer(100 %)
Species observed
962
Observations
60 896
Area
4 521,2km²
Ecological tissue
Sample of 28 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 Necochea : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 3 types (connectance 9.2%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
40
Connectance
0.092
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
962 distinct species · 60 896 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,2°C
Annual rain
889mm
Warmest m°
26,9°C
Coldest m°
4,9°C
Elevation: 90 m on average (min -7 m, max 323 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,2°C
Annual rain
889mm
Warmest month
26,9°C
Coldest month
4,9°C
Mean alt.
90m
Min
-7m
Max
323m
Std. dev.
60m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,7
Org. C
38,3g/kg
Clay
28,2%
Sand
40,9%
Silt
30,9%
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
6,7
Org. C
55,7g/kg
Clay
27,3%
Sand
41,3%
Silt
31,4%
5–15 cm
pH H₂O
6,7
Org. C
33,1g/kg
Clay
27,9%
Sand
41,2%
Silt
30,8%
15–30 cm
pH H₂O
6,8
Org. C
26,1g/kg
Clay
29,3%
Sand
40,2%
Silt
30,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest1.2%
Crops61.4%
Built-up0.2%
Bare soil1.4%
Other (grassland, water…)35.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology10 basins · 22 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
639,2km
Lake surface here
11,09km²
Basins crossed
10
Max stream order
5
Max drainage
10 321km²
Discharge in basins
216,1m³/s
Mean precip.
818mm/an
Mean T°
13,6°C
Moisture idx
-0,30
Mean runoff
280mm/an
Mean elev. (basins)
101m
Watersheds crossing here
- Bassin de Arroyo La Reservasub-area1 390 km²overlap1376.49 km²30%
- Bassin de Río Quequén Grandesub-area1 342,4 km²overlap1158.80 km²26%
- Bassin de Arroyo Quequén Grandesub-area2 510,3 km²overlap593.69 km²13%
- Bassin de Arroyo Mendozasub-area1 217,3 km²overlap493.44 km²11%
- Bassin de Río Quequén Grandesub-area419,5 km²overlap377.32 km²8%
- Bassin de Arroyo Quequén Chicosub-area1 473,9 km²overlap289.07 km²6%
- Bassin de Arroyo El Pescado Castigadosub-area556,3 km²overlap149.42 km²3%
- Bassin de Río Quequén Grandesub-area121,4 km²overlap56.71 km²1%
- Bassin de Río Quequén Grandesub-area53 km²overlap17.33 km²0%
1 more basinssorted by overlap
Lakes (22, top by area)
- Laguna La Saladaarea4,7 km²avg depth2.1 m
- Lac 1112561area0,7 km²avg depth2.3 m
- Lac 1112641area0,6 km²avg depth1.6 m
- Lac 1112674area0,5 km²avg depth1.6 m
- Lac 1112568area0,5 km²avg depth2.8 m
- Lac 1112676area0,5 km²avg depth2.0 m
- Lac 1112588area0,5 km²avg depth2.5 m
- Lac 1112549area0,4 km²avg depth2.1 m
- Lac 1112683area0,4 km²avg depth2.1 m
13 more lakes
- Lac 1112677area0,3 km²avg depth1.9 m
- Lac 1112667area0,3 km²avg depth1.4 m
- Lac 1112689area0,3 km²avg depth1.7 m
- Lac 1112640area0,2 km²avg depth0.6 m
- Lac 1112649area0,2 km²avg depth1.9 m
- Lac 1112581area0,2 km²avg depth1.5 m
- Lac 1112670area0,2 km²avg depth1.4 m
- Lac 1112652area0,1 km²avg depth1.4 m
- Lac 1112587area0,1 km²avg depth2.2 m
- Lac 1112578area0,1 km²avg depth2.0 m
- Lac 1112678area0,1 km²avg depth1.3 m
- Lac 1112355area0,1 km²avg depth1.2 m
- Lac 1112701area0,1 km²avg depth1.0 m
Rivers / streams (15, ord ≥ 4)
- Río Quequén Grandeord 5len here123.54 km70%total177 km
- Arroyo Mendozaord 3len here70.68 km87%total82 km
- Arroyo Quequén Grandeord 5len here66.25 km61%total108 km
- Arroyo Calaveraord 2len here60.09 km73%total82 km
- Arroyo La Reservaord 2len here57.41 km100%total57 km
- Arroyo Quequén Chicoord 4len here51.86 km38%total137 km
- Arroyo El Dulceord 3len here47.98 km100%total48 km
- Arroyo El Pescado Castigadoord 5len here40.67 km24%total167 km
- Canal Dos Hermanitasord 2len here31.62 km100%total32 km
- Canal Dos Hermanitasord 1len here31.05 km100%total31 km
- Canal Tupongatoord 2len here24.65 km100%total25 km
- Arroyo de Zabalaord 4len here18.38 km24%total78 km
3 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,5nW
Built-up
17,9%
Pesticides
33,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN VI · 1🌊 Marine · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN