Past anthropogenic changes in the lake ecosystems of late glacial landscapes in north-eastern Poland

Skwierawski, Andrzej

doi:10.1080/01426397.2016.1276892

Cited by 4 publications

(8 citation statements)

References 30 publications

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“…However, previously dewatered lakes could be restored due both to their hydrological benefits and to their ability to capture carbon. Lakes such as those described in this study can be restored: fully-by recreating the entire lake basin (27 such sites have been successfully restored in the Olsztyn Lakeland); or partly-the outflow is dammed lower to create wetlands (61 such sites have been created, and most were restored spontaneously when drainage works were abandoned) [15]. Partly restored water bodies (wetlands) most likely accumulate large amounts of carbon from the biomass produced by vascular plants.…”

Section: Prospects For the Restoration Of Formerly Drained Water Bodiesmentioning

confidence: 94%

“…The analysed group of shallow water bodies remained dry over a period of around 100 years and have been restored in recent decades. In the 19th century, many lakes were partially or even completely drained to create land for agricultural production [15]. Wetlands were converted to meadows, which were regarded as particularly valuable.…”

Section: Study Areamentioning

confidence: 99%

“…An analysis of drainage programmes conducted in the Olsztyn Lakeland revealed that 143 water bodies larger than 1 ha had been completely drained. The total drained area was estimated at 3000 ha, which indicates that nearly a third of all water bodies in the region had been eliminated [15]. Of those, since the 1980s, 27 lakes have been restored to their original (or near-original) state through natural rewilding processes or recovery projects.…”

Section: Study Areamentioning

confidence: 99%

“…Extrapolation of the data shows the potential for carbon sequestration based on the applied restoration. An analysis of changes occurring in the evaluated water bodies (i.e., lakes that were drained in the 19th century) indicates that, to date, 805 ha of the lakes' original area of 3000 ha (determined before drainage) have been naturally or artificially restored [15]. Based on these observations, the present rate of CO 2 equivalent accumulation was determined at 8130 Mg a −1 , and CO 2 sequestration could reach 30,000 Mg a −1 if the original surface area of the studied water bodies were restored.…”

Section: Water Body Ec [µS CMmentioning

confidence: 99%

“…Aquatic ecosystems accumulate high amounts of carbon globally; therefore, ponds and small lakes could play a considerable role as organic carbon sinks in the biosphere [9]. Until recently, small inland water bodies were regarded as sites that contribute to water retention and biological diversity on the local scale only [15], whereas their role in global processes was largely disregarded [9]. Most research focuses on large lakes, whereas in quantitative terms, smaller water bodies constitute the predominant type of aquatic ecosystems around the world [37].…”

Section: Prospects For the Restoration Of Formerly Drained Water Bodiesmentioning

confidence: 99%

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Carbon Sequestration Potential in the Restoration of Highly Eutrophic Shallow Lakes

Skwierawski

2022

IJERPH

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The primary goal of the study was to determine the quantity of carbon accumulated in shallow fertile water bodies that were restored after a long period of drainage. Massive drainage of mid-field water bodies took place in north-eastern Poland in the 19th century. Of 143 identified drained lakes (each of more than 1 ha before drying) in the Olsztyn Lakeland, 27 have been restored to their original state through natural rewilding processes or recovery projects. From among the variety of drained water bodies, 8 which have been naturally or artificially restored to their original condition 13 to 47 years ago, were the subject of a detailed study on carbon sequestration. The studied water bodies had high productivity, and they were classified as moderately eutrophic to extremely hypertrophic. An analysis of bottom sediments revealed that, after restoration, the examined water bodies have accumulated 275.5 g C m−2 a−1 on average, which is equivalent to 10.1 Mg ha−1 a−1 of carbon dioxide (CO2) removed from the atmosphere. Results showed that the evaluated water bodies are effective carbon sinks. Most of the lakes drained in the 19th century are wastelands today, and they can be relatively easily restored to their original condition to create additional carbon sequestration sites. Lake restoration seems to be a cost-effective method both for carbon capture (as additional potential capacity as part of carbon dioxide removal (CDR) methods) and to support the sustainable use of agricultural areas. However, this second goal may be limited by the poor ecological status of such facilities.

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Section: Prospects For the Restoration Of Formerly Drained Water Bodiesmentioning

confidence: 94%

Section: Study Areamentioning

confidence: 99%

Section: Study Areamentioning

confidence: 99%

Section: Water Body Ec [µS CMmentioning

confidence: 99%

Section: Prospects For the Restoration Of Formerly Drained Water Bodiesmentioning

confidence: 99%

See 3 more Smart Citations

Carbon Sequestration Potential in the Restoration of Highly Eutrophic Shallow Lakes

Skwierawski

2022

IJERPH

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Does a scaling exist in urban ecological infrastructure? A case for sustainability trade-off in China

Wu,

Liu,

Gonella

et al. 2023

Environ Sci Pollut Res

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Changes in the Water Resources of Selected Lakes in Poland in the Period 1916–2020 as Information to Increase Their Availability

et al. 2021

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The historical effects of land development on water management currently require a new approach, in many cases involving attempts at the restoration of the quasi-natural state. This is evident in reference to many regions in Poland, where the hydrographic network has been diminishing over the centuries, among others in favour of obtaining new agricultural land. Such activities overlap with natural processes causing transformations of the hydrosphere. The most serious problems currently include water deficits resulting from climate change and human activity. This paper employed archival bathymetric maps from the beginning of the 20th century for the determination of the scale of changes in the morphometric parameters of six lakes in western Poland. It was determined that over a period of more than a hundred years, the surface area (12.2%) and original volume of water bodies (13.9%) were largely reduced. This situation was caused by both natural (overgrowing and shallowing) and anthropogenic (change in water level) factors. The obtained information points to the need of an inventory of historical bathymetric maps of lakes. In combination with modern research, this will allow for the determination of changes in the water resources of lakes and, in a longer-term perspective, potential possibilities of their renaturisation. This knowledge is important in the context of the reconstruction of water resources in the territory of Poland, where their deficits are recorded increasingly frequently. It should also be emphasised that the restoration of the natural capacity of water retention in lakes is a more economical solution and, most importantly, it is not invasive for the environment.

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Past anthropogenic changes in the lake ecosystems of late glacial landscapes in north-eastern Poland

Cited by 4 publications

References 30 publications

Carbon Sequestration Potential in the Restoration of Highly Eutrophic Shallow Lakes

Carbon Sequestration Potential in the Restoration of Highly Eutrophic Shallow Lakes

Does a scaling exist in urban ecological infrastructure? A case for sustainability trade-off in China

Changes in the Water Resources of Selected Lakes in Poland in the Period 1916–2020 as Information to Increase Their Availability

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