Results 71 to 80 of about 6,184 (250)

Diet, phenology and body size shape nutrient release by songbirds

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Animals can dramatically alter ecosystem structure and function through the cycling and transport of nutrients in their waste. While birds are particularly capable of influencing nutrient cycles due to their high mobility, abundance, metabolism and functional diversity,
Linsey Chen   +2 more
wiley   +1 more source

Simultaneous determination of wine sugars, glycerol and organic acids 13C/12C isotopic ratio by ion chromatography-co-IRMS

open access: yesBIO Web of Conferences, 2014
Ion chromatography (IC) isotope ratio mass spectrometry (IRMS) coupling is possible using a liquid interface allowing chemical oxidation (co) of organic compounds.
Guyon Francois   +4 more
doaj   +1 more source

Body Size Regulates Niche Overlap Asymmetry in the Subtropical Andes Rain Shadow: Isotopic Paleoecology of Oligocene South American Ungulates

open access: yesIntegrative Zoology, EarlyView.
This study provides the first isotopic analysis of Oligocene mammals from Quebrada Fiera, Mendoza, Argentina, filling a major gap in South American paleontology. It reveals a latitudinal gradient in aridity due to the Andean rain shadow and highlights the role of (semi)permanent water bodies in sustaining diverse herbivore communities. Additionally, it
Dánae Sanz‐Pérez   +4 more
wiley   +1 more source

Effects of Calcium Hydroxide Paste and Access Cavities on Fracture Strength of Mature and Simulated Immature Human Teeth: Ex Vivo

open access: yesAustralian Endodontic Journal, EarlyView.
ABSTRACT The aim was to examine whether a Ca(OH)2 paste affects fracture strength of teeth. Sixty extracted maxillary central incisors were prepared to simulate immature teeth. Another 40 were used as mature teeth. The ten groups (n = 10) were: (1) immature control; (2) immature + access; (3) immature + access + 1 m Ca(OH)2; (4) immature + access + 12 ...
Naseem M. Hashim, Paul V. Abbott
wiley   +1 more source

Investigating the Dietary, Economic, and Social Practices of a Neolithic Funnel Beaker Community in Wanna, Germany, Through Raw Material and Organic Residue Analyses of Pottery

open access: yesArchaeometry, EarlyView.
ABSTRACT This study details the analysis of an assemblage of Funnel Beaker pottery from Wanna in Northern Germany investigated using petrographic, geochemical, and organic residue analyses. The analyses revealed specialized production of pottery vessels for funerary contexts, but that domestic and funerary pottery were used intensively to process ...
I. L. Wiltshire   +4 more
wiley   +1 more source

Timing the Sacred: A Multi‐Step Chronological Framework for the Llullaillaco Inca Burial

open access: yesArchaeometry, EarlyView.
ABSTRACT Absolute radiocarbon dating offers high precision, but its application to historical contexts, such as the Inca civilization, requires a rigorous methodological approach. This research examines methods to enhance chronological accuracy through a case study of artifacts from the Llullaillaco Capacocha sacrifice.
Dominika Sieczkowska‐Jacyna   +9 more
wiley   +1 more source

Comparison Of Irms Delhi Methodology With Who Methodology On Immunization Coverage

open access: yesIndian Journal of Community Medicine, 1996
Research question: What are the merits of IRMS Model over WHO Model for Coverage Evaluation Survey? Which method is superior and appropriate for coverage evolution survey of immunization in our setting?
Singh Padam
doaj  

Biogeochemical, sedimentological and dinoflagellate‐based reconstruction of the Holocene palaeoenvironment of the east Limfjord, Denmark

open access: yesBoreas, EarlyView.
To assess how the eastern part of the Limfjord system has changed over the Holocene, relative to the wider Limfjord and western Baltic region, a sedimentary succession spanning c. 9600–150 cal. a BP was collected from Nibe Bredning, near Sebbersund, from a shallow coastal inlet along the eastern connection between the Limfjord and the Kattegat (north ...
Gabriella M. Weiss   +5 more
wiley   +1 more source

Exploring Culturally Safe Oral Health Services for a Regional Aboriginal Community in Victoria

open access: yesCommunity Dentistry and Oral Epidemiology, EarlyView.
ABSTRACT Objectives National policies have been introduced to promote the delivery of Culturally Safe dental care for Aboriginal and Torres Strait Islander Australians. However, the understanding of what constitutes Culturally Safe dental care and how it can be effectively implemented into clinical practice, remains limited.
Eliza Collins   +2 more
wiley   +1 more source

The Governance Role of Quasi‐Official Shareholder Activism: Evidence From Firm–Investor Communication in China

open access: yesCorporate Governance: An International Review, EarlyView.
ABSTRACT Research Question/Issue We investigate whether a quasi‐official minority shareholder, the China Securities Investor Services Center (CSISC), affects firms' investor relations management when it actively exercises its shareholder rights in listed firms. Research Findings/Insights We employ a machine learning–based algorithm to estimate response
Karel Hrazdil, Jiyuan Li, Xiang Zhang
wiley   +1 more source

Home - About - Disclaimer - Privacy