Results 21 to 30 of about 675 (132)

Ritual complexes ("geoglifs") of the Turgay Deflection (preliminary message) [PDF]

open access: yesArchaeoastronomy and Ancient Technologies, 2018
Turgay deflection, the territory is contoured from the west by the spurs of the South Ural Mountains, from the east by the Kazakh Uplands and the spurs of the Ulutau Mountains, merges with the West Siberian Lowland in the north, and goes to the Shalkar ...
Logvin, A.V.   +3 more
doaj   +1 more source

Differing local‐scale responses of Bolivian Amazon forest ecotones to middle Holocene drought based upon multiproxy soil data

open access: yesJournal of Quaternary Science, Volume 38, Issue 6, Page 970-990, August 2023., 2023
ABSTRACT Uncertainty remains over local‐scale responses of ecotonal Amazonian forests to middle Holocene drying due to the scarcity, and coarse spatial resolution, of lacustrine pollen records. This paper examines the palaeoecological potential of soil phytoliths, stable carbon isotopes and charcoal for capturing local‐scale ecotonal responses of ...
James Hill   +5 more
wiley   +1 more source

The legacy of human use in Amazonian palm communities along environmental and accessibility gradients

open access: yesGlobal Ecology and Biogeography, Volume 32, Issue 6, Page 881-892, June 2023., 2023
Abstract Aim Palms are iconic and dominant elements of neotropical forests. In the Amazon region, palms have been used and managed by humans for food, material, medicine and other purposes for millennia. It is, however, debated to what extent the structure of modern palm communities reflects long‐term human modification.
Gabriela Zuquim   +4 more
wiley   +1 more source

The Role of Guadua Bamboo in Land Management and Indigenous Perspectives on Bamboo Ecosystems in Southwestern Amazonia [PDF]

open access: yes, 2022
We examine the Indigenous uses, oral histories, and knowledge of native Guadua bamboo species in southwestern Amazonia. Two Guadua species form dense stands in which individual plants die en masse at regular intervals of about 28 years.
Apurinã, Francisco   +3 more
core   +4 more sources

MAP OF NASCA GEOGLYPHS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
Abstract. The Czech Technical University in Prague in the cooperation with the University of Applied Sciences in Dresden (Germany) work on the Nasca Project. The cooperation started in 2004 and much work has been done since then. All work is connected with Nasca lines in southern Peru.
K. Hanzalová, K. Pavelka
openaire   +3 more sources

Geometry by Design: Contribution of Lidar to the Understanding of Settlement Patterns of the Mound Villages in SW Amazonia

open access: yesJournal of Computer Applications in Archaeology, 2020
Recent research has shown that the entire southern rim of Amazonia was inhabited by earth-building societies involving landscape engineering, landscape domestication and likely low-density urbanism during the Late Holocene.
Jose Iriarte   +7 more
doaj   +1 more source

The geoglyph sites of Acre, Brazil: 10 000-year-old land-use practices and climate change in Amazonia

open access: yesAntiquity, 2020
Hypotheses concerning climatic change during the Amazonian Holocene often assume that the presence of ancient charcoal from forest fires indicates periods of drier climate in the past.
M. Pärssinen   +3 more
semanticscholar   +1 more source

Identifying of a bird figure of the Nazca pampas of southern coast of Peru: a discussion post

open access: yesInternational Journal of Biological Research, 2023
Nazca is a city and system of valleys on the southern coast of Peru. The name is derived from the Nazca culture, which flourished in the area between 100 BC and 800 AD.
Hans-Volker Karl   +2 more
semanticscholar   +1 more source

Holocene increases in palm abundances in north‐western Amazonia

open access: yesJournal of Biogeography, Volume 47, Issue 3, Page 698-711, March 2020., 2020
Abstract Aim In Amazonia, 227 of c. 16,000 tree species account for half the individual trees (termed ‘hyperdominant’ species), and a disproportionate number of these species are palms. Our objectives are to show how and whether palm abundance has changed through the Holocene.
Britte M. Heijink   +5 more
wiley   +1 more source

Stratovolcanoes on the Chilean-Bolivian border as geoatraction [PDF]

open access: yes, 2023
The cluster of stratovolcanoes located on the Chilean-Bolivian border, in the Western Cordillera, is composed of typical, for that part of the Central Volcanic Zone in the Andes, volcanic landforms. The highest volcano is the Nevado Sajama (6,542 m a.s.l.
Gałaś, Andrzej, Panajew, Paweł
core   +2 more sources

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