Fifty millennia of catastrophic extinctions after human contact

DA Burney, TF Flannery - Trends in ecology & evolution, 2005‏ - cell.com
Debate continues to rage between enthusiasts for climate change versus humans as a
cause of the catastrophic faunal extinctions that have occurred in the wake of human arrival …

Late Quaternary fire regimes of Australasia

SD Mooney, SP Harrison, PJ Bartlein… - Quaternary Science …, 2011‏ - Elsevier
We have compiled 223 sedimentary charcoal records from Australasia in order to examine
the temporal and spatial variability of fire regimes during the Late Quaternary. While some of …

Contributions of Quaternary botany to modern ecology and biogeography

HJB Birks - Plant Ecology & Diversity, 2019‏ - Taylor & Francis
ABSTRACT Quaternary (last 2.6 million years) botany involves studying plant megafossils
(eg tree stumps), macrofossils (eg seeds, leaves), and microfossils (eg pollen, spores) …

[PDF][PDF] Paleoecological perspectives on fire ecology: revisiting the fire-regime concept

C Whitlock, PE Higuera, DB McWethy… - The Open Ecology …, 2010‏ - academia.edu
Fire is well recognized as a key Earth system process, but its causes and influences vary
greatly across spatial and temporal scales. The controls of fire are often portrayed as a set of …

The aftermath of megafaunal extinction: ecosystem transformation in Pleistocene Australia

S Rule, BW Brook, SG Haberle, CSM Turney… - Science, 2012‏ - science.org
Giant vertebrates dominated many Pleistocene ecosystems. Many were herbivores, and
their sudden extinction in prehistory could have had large ecological impacts. We used a …

[كتاب][B] Australia's mammal extinctions: a 50,000-year history

C Johnson - 2006‏ - books.google.com
Of the forty mammal species known to have vanished in the world in the last 200 years,
almost half have been Australian. Our continent has the worst record of mammal extinctions …

Wildfire responses to abrupt climate change in North America

JR Marlon, PJ Bartlein, MK Walsh, SP Harrison… - Proceedings of the …, 2009‏ - pnas.org
It is widely accepted, based on data from the last few decades and on model simulations,
that anthropogenic climate change will cause increased fire activity. However, less attention …

The expansion of mtDNA haplogroup L3 within and out of Africa

P Soares, F Alshamali, JB Pereira… - Molecular biology …, 2012‏ - academic.oup.com
Although fossil remains show that anatomically modern humans dispersed out of Africa into
the Near East∼ 100 to 130 ka, genetic evidence from extant populations has suggested that …

Australian climate–carbon cycle feedback reduced by soil black carbon

J Lehmann, J Skjemstad, S Sohi, J Carter… - Nature …, 2008‏ - nature.com
Annual emissions of carbon dioxide from soil organic carbon are an order of magnitude
greater than all anthropogenic carbon dioxide emissions taken together. Global warming is …

Ecosystem collapse in Pleistocene Australia and a human role in megafaunal extinction

GH Miller, ML Fogel, JW Magee, MK Gagan, SJ Clarke… - Science, 2005‏ - science.org
Most of Australia's largest mammals became extinct 50,000 to 45,000 years ago, shortly after
humans colonized the continent. Without exceptional climate change at that time, a human …