Abrupt Alnus population decline at the end of the first millennium CE in Europe – The event ecology, possible causes and implications/ (Record no. 12850)

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control field 20220821152920.0
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Personal name Latałowa, Małgorzata
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Title Abrupt Alnus population decline at the end of the first millennium CE in Europe – The event ecology, possible causes and implications/
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Name of publisher, distributor, etc Sage,
Date of publication, distribution, etc 2019.
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Pages Vol 29, issue 8, 2019 : (1335-1349 p.).
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Summary, etc The study, based on the examination of 70 published and unpublished pollen profiles from Poland and supplementary data from the surrounding regions, shows that an abrupt, episodic Alnus population decline at the end of the first millennium CE was a much more widespread event than has been previously reported, spanning large areas of the temperate and boreal zones in Europe. The data from Poland suggest that the decline was roughly synchronous and most likely occurred between the 9th and 10th centuries, with strong indications for the 10th century. The pollen data indicate that human impacts were not a major factor in the event. Instead, we hypothesize that one or a series of abrupt climatic shifts that caused floods and droughts at the end of the first millennium CE could have initiated this ecological disturbance, leading to a higher vulnerability of the alder trees to a pathogen outbreak. Following current observations of the decline of alder stands in Europe due to a Phytophthora outbreak, we suggest that a similar process may have occurred in the past. This study provides insight into long-term alder (mainly Alnus glutinosa) dynamics in a condition of climate change and illustrates its great resilience, enabling the natural, successful regeneration of alder stands after critical diebacks if environmental conditions improve. Our finding that the Alnus pollen decline reflects a roughly synchronous event indicates that the decline could be used as an over-regional chronostratigraphic marker for 800–1000 CE in pollen diagrams from a large part of the European Lowland.
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Subject Alnus long-term population dynamics,
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Subject climate change,
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Subject ecological disturbance,
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Subject palaeoecology,
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Subject pathogen outbreak,
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Subject Phytophthora
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Added Entry Personal Name Święta-Musznicka, Joanna
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Added Entry Personal Name Słowiński, Michał
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Added Entry Personal Name Pędziszewska, Anna
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Added Entry Personal Name Noryśkiewicz, Agnieszka M
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Added Entry Personal Name Zimny, Marcelina
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Added Entry Personal Name Obremska, Milena
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Added Entry Personal Name Ott, Florian
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Added Entry Personal Name Stivrins, Normunds
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Added Entry Personal Name Pasanen, Leena
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Added Entry Personal Name Ilvonen, Liisa
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Added Entry Personal Name Holmström, Lasse
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Added Entry Personal Name Seppä, Heikki
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Host Biblionumber 12756
Host Itemnumber 16504
Place, publisher, and date of publication London: Sage Publication Ltd, 2019.
Title Holocene/
International Standard Serial Number 09596836
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Uniform Resource Identifier https://doi.org/10.1177/0959683619846978
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