Evolution of grasses and grassland ecosystems

CAE Strömberg - Annual review of Earth and planetary sciences, 2011 - annualreviews.org
The evolution and subsequent ecological expansion of grasses (Poaceae) since the Late
Cretaceous have resulted in the establishment of one of Earth's dominant biomes, the …

Climate, herbivory, and fire controls on tropical African forest for the last 60ka

SJ Ivory, J Russell - Quaternary Science Reviews, 2016 - Elsevier
Abstract The Last Glacial Maximum (LGM) in Africa was drier than today and was followed
by rapid step-wise climate changes during the last deglacial period. In much of Africa, these …

Comparative study of modern phytolith assemblages from inter-tropical Africa

D Barboni, L Bremond, R Bonnefille - Palaeogeography, Palaeoclimatology …, 2007 - Elsevier
We present a synthesis of modern phytolith studies from Africa, to infer the potential and
limitations of phytolith assemblages to reconstruct vegetation and tree cover density. The …

[HTML][HTML] Plant migration and plant communities at the time of the “green Sahara”

J Watrin, AM Lézine, C Hély - Comptes …, 2009 - comptes-rendus.academie-sciences …
Around 8500 cal years BP, at the time of the maximum of the African Humid Period, lakes
and wetlands expanded in the present-day Sahara while large paleodrainages were formed …

Waxing and waning of forests: Late Quaternary biogeography of southeast Africa

SJ Ivory, AM Lézine, A Vincens… - Global change …, 2018 - Wiley Online Library
African ecosystems are at great risk. Despite their ecological and economic importance, long‐
standing ideas about African forest ecology and biogeography, such as the timing of …

Palynological evidence of climate change and land degradation in the Lake Baringo area, Kenya, East Africa, since AD 1650

LM Kiage, K Liu - Palaeogeography, Palaeoclimatology, Palaeoecology, 2009 - Elsevier
Paleoenvironmental records derived from pollen, fungal spores, and microscopic charcoal
from Lake Baringo, Kenya, reveal a largely dry environment in the East African region since …

Reconstruction of environmental and climate changes at Braamhoek wetland, eastern escarpment South Africa, during the last 16,000 years with emphasis on the …

E Norström, L Scott, TC Partridge, J Risberg… - Palaeogeography …, 2009 - Elsevier
A paleo-environmental record covering the last 16 ka (16,000 cal yrs BP) from the eastern
areas of the summer rainfall region in South Africa is presented. This area is until now …

Millennial-scale changes in vegetation records from tropical Africa and South America during the last glacial

I Hessler, L Dupont, R Bonnefille, H Behling… - Quaternary Science …, 2010 - Elsevier
To reconstruct the response of vegetation to abrupt climate changes during the last glacial
we have compiled pollen records from the circum-Atlantic tropics between 23° N and 23° S …

Effect of aridity and rainfall seasonality on vegetation in the southern tropics of East Africa during the Pleistocene/Holocene transition

SJ Ivory, AM Lézine, A Vincens, AS Cohen - Quaternary Research, 2012 - cambridge.org
Fossil pollen analyses from northern Lake Malawi, southeast Africa, provide a high-
resolution record of vegetation change during the Pleistocene/Holocene transition (~ 18–9 …

Influence of rainfall seasonality on African lowland vegetation during the Late Quaternary: pollen evidence from Lake Masoko, Tanzania

A Vincens, Y Garcin, G Buchet - Journal of Biogeography, 2007 - Wiley Online Library
Aim To determine if changes in the key bioclimatic parameters associated with rainfall
seasonality can be quantified from fossil sequences and to distinguish them from changes in …