Cited by 25Aquatic Ecosystems and BiodiversityAquatic Ecosystems and Phytoplankton DynamicsPeatlands and Wetlands Ecology

Hydroclimatological Patterns and Limnological Characteristics of Unique Wetland Systems on the Argentine High Andean Plateau

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Frau, Diego, Moran, Brendan J., Arengo, Felicity, Marconi, Patricia, Battauz, Yamila, Mora, Celeste, Manzo, Ramiro, Mayora, Gisela +1 more·2021·Hydrology

Abstract

High-elevation wetlands in South America are not well described despite their high sensitivity to human impact and unique biodiversity. We describe the hydroclimatological and limnological characteristics of 21 wetlands on the High Andean Plateau of Argentina, synthesizing information gathered over ten years (2010–2020). We collected physical-chemical, phytoplankton, and zooplankton data and counted flamingos in each wetland. We also conducted an extensive analysis of climatic patterns and hydrological responses since 1985. These wetlands are shallow, with a wide range of salinity (from fresh to brine), mostly alkaline, and are dominated by carbonate and gypsum deposits and sodium-chloride waters. They tend to have high nutrient concentrations. Plankton shows a low species richness and moderate to high dominance of taxa. Flamingos are highly dependent on the presence of Bacillariophyta, which appears to be positively linked to silica and soluble reactive phosphorus availability. Climatic conditions show a strong region-wide increase in average air temperature since the mid-1980s and a decrease in precipitation between 1985–1999 and 2000–2020. These high-elevation wetlands are fundamentally sensitive systems; therefore, having baseline information becomes imperative to understanding the impact of climatic changes and other human perturbations. This work attempts to advance the body of scientific knowledge of these unique wetland systems.

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Crossref · 10.3390/hydrology8040164

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Authors
Frau, D., Moran, B. J., Arengo, F., Marconi, P., Battauz, Y., Mora, C., Manzo, R., Mayora, G., & Boutt, D. F.
Affiliations
  • Consejo Nacional de Investigaciones Científicas y Técnicas (AR)
  • University of Massachusetts Amherst (US)
  • American Museum of Natural History (US)
  • Fundación YUCHAN, Mariano Moreno 1950, Villa San Lorenzo, Salta 4401, Argentina
  • Universidad Autónoma de Entre Ríos (AR)
Corresponding author
  • Frau, Diego
  • Moran, Brendan J.
Venue
Hydrology
Publisher
MDPI AG
Published
2021-11-03
Volume
8
Issue
4
Pages
164
ISSN
2306-5338 (ISSN-L)
OpenAlex
W3210392670
Cited by
25
References
119
Citations by year
2026: 2 · 2025: 4 · 2024: 5 · 2023: 10 · 2022: 4
FWCI
2.56
Type
journal article
Language
en
Open access
Locations
  • Hydrology (publishedVersion, cc-by)
  • Scholarworks (University of Massachusetts Amherst) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Conicet (submittedVersion, cc-by-nc-sa)
  • ScholarWorks@UMassAmherst (University of Massachusetts Amherst) (submittedVersion, cc-by)
Topics
  • Physical Sciences › Environmental Science › Ecology › Aquatic Ecosystems and Biodiversity
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
  • Physical Sciences › Environmental Science › Ecology › Peatlands and Wetlands Ecology
Keywords
hydroclimatology, limnology, salinity gradient, phytoplankton, zooplankton, flamingos, diatoms, silica, soluble reactive phosphorus, climate change, air temperature increase, precipitation decrease, alkaline water, gypsum deposits, human impact on wetlands

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