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Open AccessEffect of uneven sampling along an environmental gradient on transfer-function performance
We investigate the effect that uneven sampling of the environmental gradient has on transfer-function performance using simulated community data. We find that cross-validated estimates of the root mean squared...
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Quantitative summer-temperature reconstructions for the last 2000 years based on pollen-stratigraphical data from northern Fennoscandia
Quantitative reconstructions of mean July temperatures (T jul) based on new and previously published pollen-stratigraphical data covering the last 2000 years from 11 lakes in northern Fenn...
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Winifred Tutin (1915–2007)
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Are cladoceran fossils in lake sediment samples a biased reflection of the communities from which they are derived?
A study on the taphonomy of Cladocera was carried out in a small (9 ha), oligotrophic mountain loch, Loch Coire Fionnaraich (LCFR) in northwest Scotland. Four approaches were used. First, the fossil assemblage...
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Aquatic Biota and the Detection of Climate Change: Are there Consistent Aquatic Ecotones?
In this study, we analyse the cumulative rate of compositional change along an altitudinal gradient in the Swiss Alps for three different groups of aquatic organisms – Cladocera, chironomids, and diatoms. In p...
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Palaeolimnological evidence for recent climatic change in lakes from the northern Urals, arctic Russia
The recent sediments from two deep arctic lakes, Mitrofanovskoe and Vanuk-ty, situated in the permafrost belt within the Bol’shezemel’skaya Tundra in the northern Ural region, were studied for diatoms, chirono...
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Book Review
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Recent Environmental Change and Atmospheric Contamination on Svalbard as Recorded in Lake Sediments – an Introduction
This paper outlines an interdisciplinary project on recent environmental change and atmospheric contamination on the high Arctic archipelago of Svalbard (76°30′N–80°30′N). It describes the rationale and aims o...
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Recent Environmental Change and Human Impact on Svalbard: The Lake-Sediment Geochemical Record
As part of a broader investigation into recent environmental change on Svalbard, the inorganic geochemical record of six lake-sediment cores was analysed. The major temporal trends in sediment elemental compos...
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The Dynamics of Chironomidae (Insecta: Diptera) Assemblages in Response to Environmental Change during the past 700 years on Svalbard
The impact of recent natural and human-induced environmental change on chironomid faunas on Svalbard has been investigated. The modern chironomid fauna was studied from surface-sediment samples collected from ...
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Recent Environmental Change and Atmospheric Contamination on Svalbard as Recorded in Lake Sediments – Modern Limnology, Vegetation, and Pollen Deposition
Twenty-four lakes on Svalbard were sampled for palaeolimnological studies and are described in terms of their geographical location, catchment characteristics, water chemistry, and flora. No sediment could be ...
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Lake-Sediment Records of Recent Environmental Change on Svalbard: Results of Diatom Analysis
Surface sediments from 23 lakes on Svalbard were analysed for diatoms. About 182 taxa were found but samples generally have a low richness, with the majority of sites dominated by benthic genera such as Fragilari...
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Recent Environmental Change and Atmospheric Contamination on Svalbard as Recorded in Lake Sediments – Synthesis and General Conclusions
The major patterns of biostratigraphical and geochemical change detected in a multidisciplinary study on recent environmental change and atmospheric contamination on Svalbard are summarised and synthesised. Th...
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Holocene sediments of Sägistalsee, a small lake at the present-day tree-line in the Swiss Alps
Sägistalsee is a small lake located at the modern tree-line in the Swiss Alps. A 13.5 m long core taken in the central part of the 9.5 m deep basin consists of clayey silts and sands and dates back to about 90...
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The Holocene palaeolimnology of Sägistalsee and its environmental history – a synthesis
Multi-proxy palaeoecological and palaeolimnological studies of the sedimentary record of Sägistalsee, a small lake at the present-day timberline in the Swiss Alps, reveal distinct changes in its catchment vege...
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Separating wheat from chaff: Diatom taxon selection usingan artificial neural network pruning algorithm
This study addresses the question of what diatom taxa to includein a modern calibration set based on their relative contribution in apalaeolimnological calibration model. Using a pruning algorithm for Artifici...
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Climate variability and ecosystem dynamics of remote alpine and arctic lakes: the MOLAR project
This paper introduces the results of an integrated project designed to compare high resolution analysis of proxy records of climate change in the sediments of seven mountain lakes across Europe with reconstruc...
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Comparing palaeolimnological and instrumental evidence of climate change for remote mountain lakes over the last 200 years
This paper compares the palaeolimnological evidence for climate change over the last 200 years with instrumental climate data for the same period at seven European remote mountain lakes. The sites are Øvre Neå...
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Quantitative models for reconstructing catchment ice-extent using physical-chemical characteristics of lake sediments
The physical characteristics of surface sediments from a suite of pristine lakes on Signy Island, maritime Antarctic, were used to develop a quantitative link between catchment ice-extent and lake-sediment res...
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Maximum likelihood environmental calibration and the compute program WACALIB a correction
A recently discovered error in the part of the computer program WACALIB that implements maximum likelihood (ML) calibration has been discovered and corrected. The new version of WACALIB has been re-run with al...