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Grazing pressure interacts with aridity to determine the development and diversity of biological soil crusts in Patagonian rangelands
(John Wiley & Sons Ltd, 2019-10)
Grazing is directly related to land degradation and desertification in global drylands. Grazing impacts on vascular plants, reasonably well-known, depend on its intensity and are modulated by local aridity conditions. ...
Species tree phylogeny, character evolution, and biogeography of the patagonian genus Anarthrophyllum Benth. (Fabaceae)
(Springer Heidelberg, 2018-03)
Geologic events promoting the aridization of southern South America contributed to lineage divergences and species differentiation through geographic (allopatric divergence) and biotic and abiotic factors (ecological ...
Microbial community composition and network analyses in arid soils of the Patagonian Monte under grazing disturbance reveal an important response of the community to soil particle size
(Elsevier Science, 2019-06)
The effects of livestock grazing on soil microbial communities are not fully understood in arid regions, where water limitations can have significant consequences on soil health and biological processes. Neither are ...
Aquatic macroinvertebrates from littoral vegetated lakes in arid Patagonia: the influence of fish introduction on community structure
(John Wiley & Sons Ltd, 2021-07)
Wetlands in arid regions are characterized by their great heterogeneity, often including endemic species that contribute to regional aquatic biodiversity. In the Patagonian steppe, most lakes are naturally fishless and ...
Mapping and monitoring Lakes Intra-Annual variability in semi-arid regions: A case of study in Patagonian Plains (Argentina)
(MDPI AG, 2018-07-03)
In arid and semi-arid regions, the climatic impact on lakes is especially critical, as they are scarce and play an important role as a primary source of the water supply. However, in some extended regions with those climatic ...
Contrasting nutrient-capture strategies in shrubs and grasses of a Patagonian arid ecosystem
(Elsevier, 2012-07)
Shallow-rooted grasses and deep-rooted shrubs dominate arid ecosystems where nitrogen is concentrated in the upper layers of the soil and water is distributed throughout. Analysis of mineral nitrogen and absorption patterns ...
Influence of fish introduction and water level decrease on lakes of the arid Patagonian plateaus with importance for biodiversity conservation
(Elsevier, 2018-04-26)
Biodiversity loss in shallow lakes is associated to several factors among which water level decrease and fish introduction are indicated as potential stressors. The Patagonian basaltic plateaus, located in one of the most ...
Phytoplankton from natural water bodies of the Patagonian Plateau
(E Schweizerbartsche Verlags, 2014-06)
The Patagonian Plateau is one of the most arid regions of Argentina, where mean annual rainfall ranges between 100 and 200 mm. This region contains different types of water bodies: large artificial lakes, permanent natural ...
Patagonian Desert
(Elsevier, 2019)
The Argentinian Patagonia is a vast area (790,000-km2) of southern South America between 36° and 55°S. Almost 90% of the area is arid, semiarid or dry- subhumid (drylands) and covers important and heterogeneous ecological ...
The Bahía Blanca Estuary in a regional context
(Springer Nature Switzerland AG, 2021)
The aim of this introductory chapter is to provide the readers some insight into the regional context of the Bahía Blanca Estuary. We begin this chapter with a description of the geological settings along the Atlantic coast ...