Pond Water Quality for Livestock in Southwestern Iberian Rangelands

Marín-Comitre, Ubaldo; Schnabel, Susanne; Barrena-González, Jesús; Pulido-Fernández, Manuel

doi:10.1016/j.rama.2022.03.001

Cited by 1 publication

(2 citation statements)

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“…In fact, artificial water bodies (WBs) are present in all biogeographical regions, from the desert to the tundra in the Arctic Circle (Céréghino et al, 2014). One of the main research topics regards stored water and human use, but also, the role of water bodies on biodiversity (Bichsel et al, 2016), their contribution to ecosystem services (Holgerson & Raymond, 2016;Tallis & Polasky, 2009), the sensitivity to climate change (Minga-León et al, 2018), and the vulnerability to anthropogenic disturbances (Lischeid et al, 2018;Marín-Comitre et al, 2022) are relevant (Biggs et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

“…Extensive farming, corresponding to 58% of the land surface of Extremadura, is strongly influenced by water scarcity, with a direct effect both on pasture production (Díaz et al, 2018) and on water storage (Fernández & Schnabel, 2010). In addition, the average increase observed in grazing intensity entails problems of land degradation (Pulido et al, 2018), negatively affecting also water quality (Marín-Comitre et al, 2022). Particularly important as a trend along last decades is the fact that thousands of SWBs have been created by livestock farmers in the region-mainly since 1970s (Pulido et al, 2020)-used as watering ponds for livestock.…”

Section: Introductionmentioning

confidence: 99%

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Characterization of the water bodies of Extremadura (SW Spain)

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Barrena-González

et al. 2023

Environ Monit Assess

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Extremadura is the region that stores the greatest amount of fresh water in Spain. Such water is mainly used for power generation, irrigation in agriculture, biodiversity conservation, tourism, recreation, and human and livestock consumption. Nevertheless, crucial information on the total number of water bodies and their geometrical characteristics and spatial distribution patterns are still missing. Thus, our main goal was to characterize the Extremenian water bodies geometrically and spatially through different statistical techniques such as kernel density, Moran’s index, the Getis-Ord Gi*, and principal component analysis (PCA). Firstly, all existing hydrological information was gathered, and using aerial aircraft imagery and satellite images, each water body (WB) was then carefully collected, checked, and corrected. We have inventoried 100,614 WBs (mean density: 2.45 WB km2), irregularly distributed on the territory. WBs with an area < 0.01 km2 (100 ha) represent 64.5% of the total. A multivariate statistical study was conducted, showing that livestock, aridity of the climate, and topography are the main factors controlling the density of water bodies (WBs) in this area. It can be concluded that monitoring of small bodies is crucial to understand their spatial distribution, since they are spread over areas in which extensive farming and commercial crops such as tobacco strongly influence the way of living of many families.

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