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Oliver Heiri

Researcher at University of Basel

Publications -  163
Citations -  12705

Oliver Heiri is an academic researcher from University of Basel. The author has contributed to research in topics: Holocene & Younger Dryas. The author has an hindex of 49, co-authored 156 publications receiving 11139 citations. Previous affiliations of Oliver Heiri include University of Bern & Utrecht University.

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Journal ArticleDOI

Trophic state changes can affect the importance of methane-derived carbon in aquatic food webs

TL;DR: It is shown that, contrary to expectations, methane-derived relative to photosynthetically produced organic carbon became more relevant for at least some invertebrates during periods with higher nutrient availability for algal growth, indicating a proportionally higher use of methane- derived carbon in the lake's food web during peak eutrophication phases.
Book ChapterDOI

Assessment of Uncertainties Associated with Palaeolimnological Laboratory Methods and Microfossil Analysis

TL;DR: In this paper, the statistical techniques for estimating errors for microfossil counts (e.g., pollen, diatoms) are presented for taxa expressed as percentages of an overall sum, for taxas expressed as ratios of selected types, and fortaxa estimated as influx or accumulation rates.
Journal ArticleDOI

Environmental inferences and chironomid-based temperature reconstructions from fragmentary records of the Weichselian Early Glacial and Pleniglacial periods in the Niederlausitz area (eastern Germany)

TL;DR: This article inferred past climate conditions from lacustrine sediments intercalated in Weichselian Early Glacial and Early Pleniglacial fluvial and aeolian sediments, exposed in two opencast lignite mines from the Niederlausitz area (eastern Germany).
Journal ArticleDOI

Eutrophication of moderately deep Dutch lakes during the past century: flaws in the expectations of water management?

TL;DR: In this paper, the trophic development of the past 30-100 years in eight moderately deep Dutch lakes based on their sedimentary fossil diatom assemblages was studied.