The effect of river restoration on fish, macroinvertebrates and aquatic macrophytes: A meta-analysis

Kail, Jochem; Brabec, Karel; Poppe, Michaela; Januschke, Kathrin

doi:10.1016/j.ecolind.2015.06.011

Cited by 191 publications

(212 citation statements)

References 42 publications

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“…While hydromorphological modifications were identified as a key reason for these ecological deficits, it also became clear that river/stream and floodplain restoration are necessary (Jähnig et al 2011). Ecological indicators are required for both management planning and the evaluation of restoration success (Pander and Geist 2013;Müller et al 2014).…”

Section: Aquatic and Riparian Ecosystemsmentioning

confidence: 99%

“…Nitrogen compounds, and in particular nitrate, are the most common deficit in groundwater quality in Germany, with about half of all monitoring sites showing signs of contamination (nitrate concentrations of 10-50 mg/l) and almost 15% exceeding the limit of the German Drinking Water Ordinance (50 mg/l) (Irmer and Kirschbaum 2010). Today, diffuse emissions from agriculture are a key source of nutrients in most receiving Environ Earth Sci (2017) 76:549 Page 5 of 16 549 water bodies (Pfannerstill et al 2012).…”

Section: Water Qualitymentioning

confidence: 99%

“…While the average precipitation is about 790 mm per year, the higher mountain ranges receive significantly more rain and snowfall (sometimes more than 2000 mm per year), whereas the North German Lowlands are drier with typical averages between 500 and 700 mm. Moreover, with an increasingly continental climate from west to east, precipitation decreases eastward (Irmer and Kirschbaum 2010).…”

Section: Introductionmentioning

confidence: 99%

“…While the Rhine and the Danube are fed by several tributaries from the Alps, the Elbe has its source in the Giant Mountains (Krkonoše) in the Czech Republic. Both Rhine and Elbe flow into the North Sea, while the Danube is the only major river system draining into the Black Sea (Irmer and Kirschbaum 2010).…”

Section: Introductionmentioning

confidence: 99%

“…Even though some regions have temporarily limited water supplies, the extraction and distribution systems are currently able to meet the water demand throughout the country (Irmer and Kirschbaum 2010).…”

Section: Introductionmentioning

confidence: 99%

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Water research in Germany: from the reconstruction of the Roman Rhine to a risk assessment for aquatic neophytes

et al. 2017

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Germany does not only have a long tradition in water research, but a very active community of scientists and practitioners working on a vast range of ''water topics.'' This thematic issue, which was initiated by four water-related research associations (German Hydrological Society; German Limnological Society; Hydrological Sciences Commission within German Water Association; Working Group Hydrology within German Geographical Society), is a testimony of both the quality and diversity of the water research currently undertaken by Germany's scientific community. Key topics include hydrology and hydromorphology; water quality; aquatic and riparian ecosystems; water in agriculture and forestry; and water management and supply. The manuscripts contained in this thematic issue do not only cover a period of more than two millennia, but also address all types of water resources and a multitude of both established and newly developed methods that help us to better understand the processes governing the hydrological cycle, aquatic ecosystems and the management and operation of various water infrastructures.

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Section: Aquatic and Riparian Ecosystemsmentioning

confidence: 99%

Section: Water Qualitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Water research in Germany: from the reconstruction of the Roman Rhine to a risk assessment for aquatic neophytes

et al. 2017

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Combining eight research areas to foster the uptake of ecosystem‐based management in fresh waters

Langhans

Domisch

Balbi

et al. 2019

Aquatic Conservation

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Freshwater ecosystems are under a constant risk of being irreversibly damaged by human pressures that threaten their biodiversity, the sustainability of ecosystem services (ESs), and human well‐being. Despite the implementation of various environmental regulations, the challenges of safeguarding freshwater assets have so far not been tackled successfully. A promising way forward to stop the loss of freshwater biodiversity and to sustain freshwater‐based ESs is by implementing ecosystem‐based management (EBM), an environmental planning and adaptive management approach that jointly considers social and ecological needs. Responsible for considerable recent success in sustainably managing and conserving marine ecosystems, EBM has not yet been championed for fresh waters. A major reason for the delayed uptake of EBM in fresh waters is likely to be its complexity, requiring planners to be familiar with the latest developments in a range of different research areas. EBM would therefore benefit from becoming more tangible to receive attention on the ground. To facilitate uptake, eight core research areas for EBM and their innovations are introduced, and the way in which they feed into the workflow that guides the EBM planning stage is explained. The workflow links biodiversity distributions with ES supply‐and‐demand modelling and SMART (specific, measurable, attainable, relevant, and timely) target planning, including scenario‐ and cross‐realm perspectives, the prioritization of management alternatives, spatial prioritization of biodiversity conservation and ES areas, and the quantification of uncertainties. Given the extensive resources, time, and technical capacity required to implement the full workflow, a light and an ultralight version of the workflow are also provided. Applied in concert, the eight well‐known research areas allow for better planning and operationalizing, and eventually for implementing EBM in freshwater ecosystems. EBM has great potential to increase public acceptance by introducing the consideration of human needs and aspirations into typically biodiversity‐driven conservation and management approaches. This will ultimately improve the integrity of freshwater ecosystems.

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Damming insights: Variable impacts and implications of river regulation on platypus populations

Hawke

Bino

2021

Aquatic Conservation

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River regulation has extensively changed the ecology and hydrology of rivers worldwide, particularly downstream of dams, affecting the viability of freshwater species. The platypus (Ornithorhynchus anatinus) is a semiaquatic monotreme, endemic to eastern Australia, with a distribution overlapping Australia’s most regulated rivers. Dams and changes to flow regimes have affected critical platypus habitat, yet our understanding of the impacts of these threatening processes on platypus ecology remains poor. Over a period of 3 years (2016–2018), platypuses were surveyed across three regions (Upper Murray, Snowy, and Border river regions), above and below large dams, and in adjacent unregulated rivers, comparing captures, demographics, abundances, and densities. We hypothesized that platypus captures and abundances would be lower downstream of dams, owing to altered flow regimes that have secondary impacts on the demographics of these populations. In the Upper Murray Rivers region, captures were significantly lower in the Mitta Mitta River below Dartmouth Dam, compared with captures upstream of the dam and the unregulated Ovens River, probably reflecting significant alteration to the seasonality and temperature of flows caused by the dam. Conversely, there were no significant differences in captures or abundance and density estimates above and below the dams in the Snowy or Border river regions, where the extent of regulation was less severe, probably as a result of restoration efforts in recent years on some rivers. Low proportions of juveniles on the Snowy River and Mitta Mitta River downstream of the dams, compared with upstream, raises concerns of other impacts of altered flow regimes to platypus breeding success and juvenile survival, given the sensitivity of juveniles to unseasonably high flows. The results highlighted the potential impact of river regulation, with direct implications for the management of regulated rivers, providing opportunities to mitigate impacts through improved management of the seasonality and temperature of flows, to the benefit of platypuses and other freshwater species.

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The effect of river restoration on fish, macroinvertebrates and aquatic macrophytes: A meta-analysis

Cited by 191 publications

References 42 publications

Water research in Germany: from the reconstruction of the Roman Rhine to a risk assessment for aquatic neophytes

Water research in Germany: from the reconstruction of the Roman Rhine to a risk assessment for aquatic neophytes

Combining eight research areas to foster the uptake of ecosystem‐based management in fresh waters

Damming insights: Variable impacts and implications of river regulation on platypus populations

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