Michael-Shawn Fletcher

Chronostratigraphy of a 270-ka sediment record from Lake Selina, Tasmania: Combining radiometric, geomagnetic and climatic dating

Agathe Lise-Pronovost, Michael-Shawn Fletcher, Quentin Simon, Zenobia Jacobs, Patricia S Gadd, David Hestop, Andy IR Herries, Yusuke Yokoyama, Aster Team

Journal article  |  2021  |  QUATERNARY GEOCHRONOLOGY

Lake sediment archives covering several glacial cycles are scarce in the Southern Hemisphere and they are challenging to date. Her..

Centennial and millennial-scale dynamics in Araucaria-Nothofagus forests in the southern Andes

Bianca Dickson, Michael-Shawn Fletcher, Tegan L Hall, Patricio Moreno

Journal article  |  2021  |  JOURNAL OF BIOGEOGRAPHY

Aim To assess the relative roles of long‐term (millennial‐scale) climatic change, fire and volcanic disturbance on the dynamics of..

An early Holocene westerly minimum in the southern mid-latitudes

P Moreno, W Henriquez, OH Pesce, CA Henriquez, MS Fletcher, RD Garreaud, RP Villa-Martinez

Journal article  |  2021  |  QUATERNARY SCIENCE REVIEWS

An important coupled ocean-atmospheric system in the mid- and high latitudes involves the Southern Westerly Winds (SWW) and the So..

Colonialism and the environment: The pollution legacy of the Southern Hemisphere's largest copper mine in the 20th century

Larissa Schneider, Niamh Shulmeister, Michela Mariani, Kristen K Beck, Michael-Shawn Fletcher, Atun Zawadzki, Krystyna M Saunders, Marco A Aquino-Lopez, Simon G Haberle

Journal article  |  2020  |  ANTHROPOCENE REVIEW

Mining has been a major contributor to economic development in Australia since British arrival in the late 1700s, with little to n..

The role of species composition in the emergence of alternate vegetation states in a temperate rainforest system

Michael-Shawn Fletcher, Haidee R Cadd, Michela Mariani, Tegan L Hall, Samuel W Wood

Journal article  |  2020  |  LANDSCAPE ECOLOGY

Context Forest systems are dynamic and can alternate between alternative stable states in response to climate, disturbance and int..

The impacts of intensive mining on terrestrial and aquatic ecosystems: A case of sediment pollution and calcium decline in cool temperate Tasmania, Australia

KK Beck, M Mariani, M-S Fletcher, L Schneider, MA Aquino-Lopez, PS Gadd, H Heijnis, KM Saunders, A Zawadzki

Journal article  |  2020  |  ENVIRONMENTAL POLLUTION

Mining causes extensive damage to aquatic ecosystems via acidification, heavy metal pollution, sediment loading, and Ca decline. Y..

The loss of an indigenous constructed landscape following British invasion of Australia: An insight into the deep human imprint on the Australian landscape

Michael-Shawn Fletcher, Tegan Hall, Andreas Nicholas Alexandra

Journal article  |  2020  |  AMBIO

Indigenous people play an integral role in shaping natural environments, and the disruption to Indigenous land management practice..

Background concentrations of mercury in Australian freshwater sediments: The effect of catchment characteristics on mercury deposition

A Lintern, L Schneider, K Beck, M Mariani, M-S Fletcher, P Gell, S Haberle

Journal article  |  2020  |  ELEMENTA-SCIENCE OF THE ANTHROPOCENE

Waterways in the Southern Hemisphere, including on the Australian continent, are facing increasing levels of mercury contamination..

The long-term impacts of climate and fire on catchment processes and aquatic ecosystem response in Tasmania, Australia

Kristen K Beck, Michael-Shawn Fletcher, Patricia S Gadd, Henk Heijnis, Krystyna M Saunders, Atun Zawadzki

Journal article  |  2019  |  QUATERNARY SCIENCE REVIEWS

The impacts of fire and climate on freshwater ecosystems are not well understood, masking the potential impacts of anthropogenic c..

The influence of fine-scale topography on the impacts of Holocene fire in a Tasmanian montane landscape

Haidee Cadd, Michael-Shawn Fletcher, Michela Mariani, Hendrik Heijnis, Patricia S Gadd

Journal article  |  2019  |  JOURNAL OF QUATERNARY SCIENCE

Tasmania's montane temperate rainforests contain some of Australia's most ancient and endemic flora. Recent landscape-scale fires ..