Results 91 to 100 of about 33,023 (219)

Editorial: Mesoamerican paleoecology

open access: yesFrontiers in Ecology and Evolution, 2023
Gerald A. Islebe   +1 more
doaj   +1 more source

Postglacial Reconstruction of Fire History Using Sedimentary Charcoal and Pollen From a Small Lake in Southwest Yukon Territory, Canada

open access: yesFrontiers in Ecology and Evolution, 2018
Previous research suggests climate warming during the current century is likely to lead to an increase in the frequency and severity of wildfire. Recent wildfire seasons in northern Canada generally support these studies, with some of the worst fire ...
Tyler J. Prince   +4 more
doaj   +1 more source

Early humans and the balance of power: Homo habilis as prey

open access: yesAnnals of the New York Academy of Sciences, EarlyView.
The traditional view regarding Homo habilis as the primary agent in stone‐tool making and animal butchery has long shaped our understanding of human evolution. Recent advances in artificial intelligence (AI) methods have provided unprecedented insights into carnivore–hominin interactions through the analysis of bone surface modifications (BSMs).
Marina Vegara‐Riquelme   +2 more
wiley   +1 more source

FIRST EVIDENCE OF LOST‐WAX CASTING IN THE EARLIER BRONZE AGE OF SOUTH‐EASTERN SPAIN: THE SILVER BANGLE FROM EL ARGAR, GRAVE 292

open access: yesOxford Journal of Archaeology, EarlyView.
Summary In 1884, one of the burials discovered at El Argar, the eponymous site of the El Argar culture, revealed the remains of a woman wearing an unusual silver bangle. This ornament appears to be the first evidence of a silver object produced by lost‐wax casting in Bronze Age Iberia and, to date, in Western Europe.
Linda Boutoille
wiley   +1 more source

Algunos datos paleoecológicos y tafonómicos de un yacimiento pliocénico del Ampurdán [PDF]

open access: yes, 1973
The fossiliferous beds of the "Cementerio de Ciurana (Gerona) ", have been studied from Taphonomy and Paleoecology viewpoints. The mode of formation of the fossil assemblages hardly implicates transport and the vertical successiori seems to represent a ...
Martinell, Jordi
core   +1 more source

Growth, age and size of the Jurassic pachycormid Leedsichthys problematicus (Osteichthyes: Actinopterygii) [PDF]

open access: yes, 2013
The Jurassic pachycormid osteichthyan Leedsichthys problematicus is renowned for having been able to achieve prodigious size for a bony fish. Building on work of MARTILL (1986a), a thorough examination of all known material was conducted in order to ...
Adams, C.   +3 more
core  

Environmental DNA as a tool for hydropower impact assessments: current status, special considerations, and future integration

open access: yesBiological Reviews, Volume 100, Issue 6, Page 2584-2607, December 2025.
ABSTRACT Globally there is an urgent need to find sustainable solutions to balance energy production with the protection of vulnerable species and conservation of biodiversity. This is particularly critical for freshwater ecosystems, habitats, and species that may be impacted by hydropower development and operations needed to meet energy grid demands ...
Kristine N. Moody   +6 more
wiley   +1 more source

Norian sponge and coral biostromes in the Antimonio Formation, northwestem Sonora, Mexico

open access: yesRevista Mexicana de Ciencias Geológicas, 2018
A diverse marine invertebrate fauna has previously been documented from the Norian carbonate interval of the Antimonio terrane. However, little research has been aimed at understanding its paleoecology, fine scale stratigraphy, and depositional ...
David H. Goodwin, George D. Stanley, Jr
doaj  

The role of glacial cycles in promoting genetic diversity in the Neotropics: the case of cloud forests during the Last Glacial Maximum

open access: yesEcology and Evolution, 2013
The increasing aridity during the Last Glacial Maximum (LGM) has been proposed as a major factor affecting Neotropical species. The character and intensity of this change, however, remains the subject of ongoing debate.
Santiago Ramírez‐Barahona   +1 more
doaj   +1 more source

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