Impact of historical land use changes on lacustrine sedimentation recorded in varved sediments of Lake Jaczno, northeastern Poland

Poraj-Górska, Anna Izabela; Żarczyński, Maurycy; Ahrens, Antje; Enters, Dirk; Weisbrodt, Dawid; Tylmann, Wojciech

doi:10.1016/j.catena.2017.02.007

Cited by 40 publications

(26 citation statements)

References 51 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Like other lake deposits, varves are sensitive recorders of environmental changes. However, in contrast to massive lacustrine sediments they preserve high resolution, annual or even seasonal data on within-lake processes (water mixing regime, productivity), and transformations of the lake catchment (land-use change, change in precipitation patterns) (Ralska-Jasiewiczowa et al 2003;Amann et al 2014;Czymzik et al 2016;Poraj-Górska et al 2017;_ Zarczyński et al 2019). Among the different types, biogenic varves are highly valued as one of the best archives on land with documented applicability in palaeoenvironmental reconstructions (Zolitschka et al 2000;Ojala and Alenius 2005;Tylmann et al 2013).…”

Section: Introductionmentioning

confidence: 99%

The recent deposition of laminated sediments in highly eutrophic Lake Kierskie, western Poland: 1 year pilot study of limnological monitoring and sediment traps

et al. 2020

View full text Add to dashboard Cite

Accurate lake sediment-derived palaeoenvironmental reconstructions require in-depth knowledge on sediment record formation processes. In order to understand formation of laminated sediments in the eutrophic Lake Kierskie (western Poland) we conducted a year-round (November 2015-October 2016), monthly sediment trap study along with physicochemical water properties, water transparency, hardness, alkalinity, nutrients and solute content, trophic state indices, and the phytoplankton assemblage monitoring. Sedimentation in Lake Kierskie primarily resulted from the activity of photosynthetic organisms. The maxima of biogenic silica accumulation were synchronous with the bloom of centric diatoms observed in March and April. These were followed by the most intensive precipitation of CaCO 3 noted between mid-April and mid-June, that corroborated with the domination of Stephanodiscus hantzschii and small flagellate forms acting as nucleation sites for crystal formation. At the same time shift from the diatom-dominated assemblages to the communities composed of chlorophytes, cryptophytes, and dinoflagellates, the groups with cellulose external covering, resulted in decreased proportion between SiO 2 and organic matter. CaCO 3 precipitation continued in the summer months, however its amount decreased simultaneously with a drop in S. hantzschii biomass. The significant overall flux of biogenically mediated materials from epilimnion was promoted by eutrophic towards hypertrophic conditions in Lake Kierskie revealed by the trophic state indices. Mixing of the water column in autumn triggered resuspension and redeposition of the previously deposited sediments resulting in the second, after the early spring, maximum sediment flux. Minima of sediment accumulation were observed during the winter water stratification Electronic supplementary material The online version of this article (

show abstract

Section: Introductionmentioning

confidence: 99%

The recent deposition of laminated sediments in highly eutrophic Lake Kierskie, western Poland: 1 year pilot study of limnological monitoring and sediment traps

et al. 2020

View full text Add to dashboard Cite

show abstract

“…The timescales for such studies thus depended on results of age-depth modeling, and their resolution is relatively poor. Lakes in this area, recently discovered to possess varved sediments, provide ideal archives for paleoenvironmental reconstructions (Tylmann et al 2013), tracking humaninduced erosion and increased terrigenous inputs to lakes (Bonk et al 2016;Poraj-Górska et al 2017). The advantage of these natural archives is the quality and long time span represented by their laminated sediments, compared to deposits from other regions.…”

Section: Introductionmentioning

confidence: 99%

“…The advantage of these natural archives is the quality and long time span represented by their laminated sediments, compared to deposits from other regions. Bonk et al (2016) and Poraj-Górska et al (2017) reported on records spanning relatively short time periods of only 1000 and 200 years, respectively. Radiocarbon dates on terrestrial plant remains are commonly used to generate sediment chronologies for paleoenvironmental studies, e.g.…”

Section: Introductionmentioning

confidence: 99%

Holocene history of human impacts inferred from annually laminated sediments in Lake Szurpiły, northeast Poland

et al. 2019

Self Cite

View full text Add to dashboard Cite

Annually laminated lake sediments provide high-resolution and accurate timescales for reliable paleoenvironmental reconstructions. We investigated human activity in a low-human-impact region of Poland, taking advantage of varved sediments from Lake Szurpiły, which span the last 8200 years. Multiple sediment variables indicated that catchment evolution and lacustrine responses, mainly to changes in forest cover, were divided into four phases. Because of sparse or only seasonal occupation of settlements in NE Poland, human impact in the region was insignificant until ca. 939 ± 55 BC (lacustrine phase I). During Phase II (939 ± 55 BC-AD 1392 ± 38), we recorded an increase in human indicators, reflecting the direct influence of a Yatvingian community. Afterwards, between AD 1392 ± 38 and 1770 ± 30 (phase III), permanent settlements and agricultural land use stabilized. The beginning of the last period (phase IV) was clearly identified by all sediment variables, which responded simultaneously to local human activities. Disappearance of laminae from AD 1858 ± 22 until about AD 1997 indicated disturbance of pre-existing, stable depositional conditions, followed by environmental recovery in the last 20 years. Such recovery may have been related to recent socioeconomic

show abstract

“…Changes in land cover and land use will change the grain size of terrigenous debris 46 , and a change in the lake hydrodynamic intensity will lead to a grain-size redistribution of terrigenous detritus in lake sediments 4 . The organic materials, including TOC and TN, in the lake sediments are mainly controlled by the initial productivity of the lake and by the input of terrigenous organic debris 47,48 .…”

Section: Discussionmentioning

confidence: 99%

Environmentally sensitive grain-size component records and its response to climatic and anthropogenic influences in Bosten Lake region, China

Abuduwaili

2020

Sci Rep

View full text Add to dashboard Cite

Using 137 cs and 210 Pb dating and multi-proxy evidence from a 41-cm sediment core from Bosten Lake in China, the responses of sediment grain size to environmental changes were reconstructed over the past 150 years. After the end of the Little Ice Age, the climate of the Bosten Lake region became warmer and drier, and the lake water level decreased. The results indicated that the lowest water storage periods occurred at approximately 1920-1930 AD. Decreases in the Siberian High intensity and water vapour transport from the Indian Ocean during this period led to a reduction in the water vapour supply, which resulted in reduced lake levels in the period 1920-1930 AD. Then, the lake was at a high level until the 1960s. The water storage then declined in the 1960s. Since the 1960s, the contents of total organic carbon and total nitrogen have significantly decreased, which is closely related to the significant decline in water level and increased water salinity caused by enhanced water demands. Increased irrigation water demand as a result of expanding cultivated areas and climate change, coupled with a reduced input of water vapour, resulted in the worst water environment in approximately 1980-1990 AD. Since the late 1980s, the water level of the lake has risen, and the lake primary productivity of Bosten Lake has improved. Through the application of statistical methods to grain size data from Bosten Lake combined with the abovementioned data on climate change and human activities, two major potential factors influencing the grain size of terrigenous clastic material were revealed. The first factor, consistent with a grain size of 3.31 μm, is related to the recent increase in agricultural acreage in the Bosten Lake watershed and may reflect increases in atmospheric dust. The second factor, correlated with grain sizes of 11.48 μm and 69.18 μm, can be used to reflect changes in the lake hydrological state. It is suggested that the grain sizes of these lake sediments sensitively reflect changes in the hydrological characteristics of the basin and can be used to reconstruct the history of climate change and human activities. Lake sediments record the history of human-environment interactions 1 and have been used to reconstruct the environmental evolution on different time scales and to assess the impacts of human activities 2. Among the multiple proxies derived from lake sediments, the grain-size distribution has been widely used to reconstruct environmental histories 3-7. Variations in sedimentary environments are reflected by polymodal grain-size distributions, which represent changes in transport and depositional processes 8,9. Weibull 8 and unimodal lognormal distributions 10 , end-member mixing analysis 11,12 , and standard deviation variations 13 have been used to obtain environmental grain-size compositions and to distinguish sediment sources. Lakes in arid regions play significant roles in maintaining regional ecosystems. Deteriorations in water quality and quantity can threaten the livelihoods of local people an...

show abstract

Impact of historical land use changes on lacustrine sedimentation recorded in varved sediments of Lake Jaczno, northeastern Poland

Cited by 40 publications

References 51 publications

The recent deposition of laminated sediments in highly eutrophic Lake Kierskie, western Poland: 1 year pilot study of limnological monitoring and sediment traps

The recent deposition of laminated sediments in highly eutrophic Lake Kierskie, western Poland: 1 year pilot study of limnological monitoring and sediment traps

Holocene history of human impacts inferred from annually laminated sediments in Lake Szurpiły, northeast Poland

Environmentally sensitive grain-size component records and its response to climatic and anthropogenic influences in Bosten Lake region, China

Contact Info

Product

Resources

About