[图书][B] Holocene vegetation and climate history of savanna-forest ecotones in northeastern Amazonia

MB de Toledo - 2004 - search.proquest.com
The main goal of this study was to investigate how climate and human activity may have
influenced ecotonal areas of disjunct savannas within Brazilian Amazonia. The fossil pollen …

A mid‐Holocene environmental change in Amazonian savannas

MB De Toledo, MB Bush - Journal of Biogeography, 2007 - Wiley Online Library
Aim The main goal of this study was to investigate how climate and human activities may
have influenced ecotonal areas of disjoint savannas within Brazilian Amazonia. Location …

A Holocene pollen record of savanna establishment in coastal Amapá

MB Toledo, MB Bush - Anais da Academia Brasileira de Ciências, 2008 - SciELO Brasil
The main goal of this study was to investigate how climate and human activities may have
influenced ecotonal areas of disjoint savannas within Brazilian Amazonia. The fossil pollen …

Holocene histories of biome stability in northern Amazonian savannas

J Beltran, MB de Toledo, M Palace, J Dibb… - The …, 2024 - journals.sagepub.com
Paleoecological analysis of three lake sediment cores from the Roraima savannas in
northern Brazil revealed systems dominated by Poaceae pollen throughout most of the …

Late Quaternary landscape evolution of northeastern Amazonia from pollen and diatom records

DF Castro, PEDE OLIVEIRA, DF Rossetti… - Anais da Academia …, 2013 - SciELO Brasil
The main goal of this study was to reconstruct the Late Pleistocene-Holocene floristic
composition in an area of the northern Brazilian Amazonia, comparing the results with other …

Landscape and climate changes in southeastern Amazonia from Quaternary records of upland lakes

JTF Guimarães, PK Sahoo, PWM e Souza-Filho… - Atmosphere, 2023 - mdpi.com
The upland lakes (ULs) in Carajás, southeastern Amazonia, have been extensively studied
with respect to their high-resolution structural geology, geomorphology, stratigraphy …

Amazonian paleoecological histories: one hill, three watersheds

MB Bush, PE De Oliveira, PA Colinvaux… - Palaeogeography …, 2004 - Elsevier
Data from the Hill of Six Lakes, in the northwestern Brazilian Amazon region, provide three
records of paleoclimatic and vegetation change in lowland Amazonia that span the last …

Late Quaternary vegetation and climate change in the Amazon Basin based on a 50,000 year pollen record from the Amazon Fan, ODP Site 932

SG Haberle, MA Maslin - Quaternary Research, 1999 - cambridge.org
Hemipelagic sediments from the Amazon deep-sea fan, ODP Site 932 (5° 12.7′ N, 47°
1.8′ W), and continental shelf provide a 50,000-yr-long pollen record of Amazon Basin …

Environmental and vegetation changes in southeastern Amazonia during the late Pleistocene and Holocene

LS Reis, JTF Guimarães, PWM Souza-Filho… - Quaternary …, 2017 - Elsevier
New insights about climate conditions and their effect on vegetation and lakes of
southeastern Amazonia were achieved over the last 50 cal ka using recent data obtained …

A multiproxy palaeoecological record of Holocene lake sediments from the Rio Tapajós, eastern Amazonia

G Irion, MB Bush, JAN De Mello, D Stüben… - Palaeogeography …, 2006 - Elsevier
Two sediment cores up to 42m in length were raised from the wide, deep, section of the
lower Tapajós River, Amazonia, referred to as Lago Tapajós. These cores reveal a history of …