Response of streamflow and nutrient loads in a small temperate catchment subject to land use change

Ayele, Gebiaw T.; Yu, Bofu; Bruere, Andy; Hamilton, David P.

doi:10.1007/s10661-023-11828-z

Cited by 3 publications

(1 citation statement)

References 69 publications

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“…Generally, it was confirmed that woodlands, both coniferous and deciduous, could accelerate purification effects on stream water quality, as reported previously by [87,88]. Forests provide an accumulation of nitrogen, phosphorus, and metallic elements [89], mainly due to tree uptake [90] and the presence of litter layerand organic-rich soils, supporting complex and differentiated soil microbial communities [91]. However, it must be emphasized that several factors influence the purification effects of forests, such as management practices [92], tree species composition [93], and the spatial configuration of woodlands [94], which could be also a reason behind the relatively high variability of forested sites in terms of water quality.…”

Section: Spatial Variability Evaluationsupporting

confidence: 80%

The Impact of Various Types of Cultivation on Stream Water Quality in Central Poland

Stępniewski,

Karger,

Łaszewski

2023

Water

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Agricultural practices have a significant impact on stream water quality in rural landscapes; however, there is still little empirical evidence of how different types of cultivation alter the hydrochemistry of running water. Thus, the current study explored the spatial dynamics of selected ion concentrations and their land cover dependence in lowland agricultural catchments. From November 2021 to October 2022, water samples were collected from 30 sites located across small tributaries of the rivers Bzura, Pilica, and Radomka for chemical analysis of their NO3, NO2, NH4, Ca, Mg, K, Na, As, Ba, Sr, and V concentrations. The results indicated a clear spatial heterogeneity of water quality, related to lithology and dominant land cover evaluated with the CORINE Land Cover 2018 dataset. Overall, sites representing agricultural land promoted increased concentrations of major and trace elements, while those with pepper cultivation were additionally contaminated with NO3 and NO2. The correlation performance for nitrogen compounds was the highest for narrower buffer zones, which was not documented for major and trace elements, which were linked more strongly with land cover at larger scales. Such new insights into the water quality dynamics of lowland agricultural catchments, being a simultaneous reflection of lithology, agricultural practices, and several municipal impacts, have significant implications for appropriate water management in rural landscapes.

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Section: Spatial Variability Evaluationsupporting

confidence: 80%

The Impact of Various Types of Cultivation on Stream Water Quality in Central Poland

Stępniewski,

Karger,

Łaszewski

2023

Water

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Predicting impacts of agricultural land use on stream and river biota: method review, evaluation, and guidance

Elliott,

Graham,

Franklin

et al. 2024

Environ. Rev.

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Predicting land use and land management effects on stream and river biota is an important aspect of land-water management, yet there are no collations of what methods are available to carry out those assessments nor guidance on which methods to use. This paper summarises a range of methods with examples of their applications, comments on their strengths and weaknesses, evaluates them against a set of criteria, and provides guidance on method selection. Assessment methods include empirical statistical and mechanistic models, Bayesian Networks, likelihood-consequence risk assessments, scoring methods, and hybrid methods, some of which can be informed by expert elicitation. An evaluation matrix for methods indicated that no single method is ideal, and selection of methods needs to carefully consider factors such as the physico-chemical stressor or biotic impact of interest, the intended stakeholders, and the scales of assessment. One emergent principle is the separation of relationships between land use and stressors from assessments of stressors and biota, for which alternative methods could be used. A tiered approach is recommended, whereby simple methods with low resource and time requirements are applied first, followed by more sophisticated methods for selected aspects if needed. There is a need for more ready-made methods at the screening level, as well as development of new methods to address remaining gaps such as multiple stressors.

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Review of Climate Change Impacts on Water Quantity and Quality in the Murray–Darling Basin, Australia

Ayele

2024

Water

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Climate change is a global phenomenon that significantly affects water quality and quantity, with implications observed across various regions worldwide. In the Murray–Darling Basin (MDB), Australia’s largest and most vital river system, climate change is exacerbating environmental and public health challenges, particularly through its impact on water resources. This review assesses the historical, current, and potential future impacts of climate change on both water quantity and quality in the MDB. The study involved a systematic review of 126 reputable sources, including peer-reviewed journals, government reports, and relevant books. A particular focus was given to the increasing frequency of blue-green algae (BGA) and blackwater events, which are key indicators of climate change’s impact on the basin’s water systems. The findings underscore the critical importance of integrating climate adaptation measures into existing water quality management policies to mitigate these adverse effects. The review concludes that proactive adaptation measures are essential for enhancing the resilience of the MDB’s water resources against the ongoing and future impacts of climate change, with lessons that may be applicable to other regions facing similar challenges.

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Response of streamflow and nutrient loads in a small temperate catchment subject to land use change

Cited by 3 publications

References 69 publications

The Impact of Various Types of Cultivation on Stream Water Quality in Central Poland

The Impact of Various Types of Cultivation on Stream Water Quality in Central Poland

Predicting impacts of agricultural land use on stream and river biota: method review, evaluation, and guidance

Review of Climate Change Impacts on Water Quantity and Quality in the Murray–Darling Basin, Australia

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