Falkland Island peatland development processes and the pervasive presence of fire

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Категория: биология
Авторы (ПГУ): Бабешко Кирилл Владимирович [100]  , Цыганов Андрей Николаевич [0]  
Аннотация: Palaeoecological analyses of Falkland Island peat profiles have largely been confined to pollen analyses. In order to improve understanding of long-term Falkland Island peat development processes, the plant macrofossil and stable isotope stratigraphy of an 11,550 year Falkland Island Cortaderia pilosa (‘whitegrass’) peat profile was investigated. The peatland developed into an acid, whitegrass peatland via a poor fen stage. Macrofossil charcoal indicate that local fires have frequently occurred throughout the development of the peatland. Raman spectroscopy analyses indicate changes in the intensity of burning which are likely to be related to changes in fuel types, abundance of fine fuels due to reduced evapotranspiration/higher rainfall (under weaker Southern Westerly Winds), peat moisture and human disturbance. Stable isotope and thermogravimetric analyses were used to identify a period of enhanced decomposition of the peat matrices dating from ∼7020 cal yr BP, which possibly reflects increasing strength of the Southern Westerly winds. The application of Raman spectroscopy and thermogravimetric analyses to the Falkland Island peat profile identified changes in fire intensity and decomposition which were not detectable using the techniques of macrofossil charcoal and plant macrofossil analyses.
Тип: Статья
Вид: электронное немультимедийное издание
Количество частей: 1
Год издания: 2020
Издательство: Elsevier Ltd
Место опубликования: Quaternary Science Reviews
Индексация: Web of Science Core Collection, входящем в 1 квартиль (Q1) (тип документа Article, Review, Proceedings Paper, Book Chapter)
Целевая аудитория: Исследователь
Целевое назначение: Научное
Лицензия: Нет ограничений
Ограничения: Нет ограничений
Правообладатель: Elsevier Ltd.
DOI: 10.1016/j.quascirev.2020.106391
Импакт-фактор журнала (SJR): 3,8
Внешняя веб-ссылка: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85086478511&origin=inward
Язык: Русский
Место хранения:Вне ПГУ
Дата размещения:23.11.2020
Владелец:Бабешко Кирилл Владимирович
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