Results 21 to 30 of about 2,323 (183)

El diseño utilitario

open access: yesEstudios Atacameños, 2023
Frente a las limitaciones de la dicotomía expeditividad/conservación para entender los conjuntos líticos de los contextos del primer milenio en Antofagasta de la Sierra (Catamarca, Argentina), la propuesta del diseño utilitario (Escola 2000) resultó un ...
Natalia Sentinelli   +1 more
doaj   +1 more source

Negotiating Discourses: A Pākehā Teacher Educator’s Exploration of Bicultural Teaching Practice

open access: yesNew Zealand Journal of Teachers' Work, 2023
Bicultural teaching practice in Aotearoa New Zealand is based on commitment to partnerships reflecting Te Tiriti o Waitangi/ The Treaty of Waitangi between Māori and non-Māori cultures, and is governed by professional standards and documents.
Alison Warren
doaj   +1 more source

Mountain wetland soil carbon stocks of Huascarán National Park, Peru

open access: yesFrontiers in Plant Science, 2023
Although wetlands contain a disproportionately high amount of earth’s total soil carbon, many regions are still poorly mapped and with unquantified carbon stocks.
Rodney A. Chimner   +6 more
doaj   +1 more source

Vegetation of Andean wetlands (bofedales) in Huascarán National Park, Peru [PDF]

open access: yesMires and Peat, 2019
Hybrid terrestrial-aquatic ecosystems in the Andes, commonly known as bofedales, consist of both peatlands and wet meadows and line valley floors at elevations > 3800 m.
M.H. Polk, K.R. Young, A. Cano, B. León
doaj   +1 more source

A Puna Collection of Senecio punae , Main Source of a Versatile Eremophilane-type Ketone [PDF]

open access: yesNatural Product Communications, 2016
Senecio punae Cabrera (Asteraceae-Senecioneae) is an endemic species from Puna semi-desert region of Argentina. The major compound, 4β,5β-eremophil-7(11)9-dien-8-one, also known as dehydrofukinone (D), was isolated from the diethyl ether extract (E) of the plant.
Rodriguez, Ana María del Valle   +4 more
openaire   +3 more sources

Puestos de altura de la Puna argentina: zooarqueología de Real Grande 1 y 6 y Alero Tomayoc

open access: yesRevista del Museo de Antropologia, 2009
The societies from the Late Period in the Argentinean Puna introduced considerable technical improvements and an increase in agricultural production, in relationship with a process of change towards a greater sociopolitical complexity.
Daniel E. Olivera 1, Jennifer L. Grant
doaj   +5 more sources

The Egg Yolk Content in ω-3 and Conjugated Fatty Acids Can Be Sustainably Increased upon Long-Term Feeding of Laying Hens with a Diet Containing Flaxseeds and Pomegranate Seed Oil

open access: yesFoods, 2021
Long-term feeding trials examining the incorporation of conjugated linolenic acids (CLnA) into the diet of laying hens are lacking. In the present study, we compared two diets in sixty-six red Sex-Link hens (33 hens/treatment), fed for 26 weeks.
Monique T. Ngo Njembe   +9 more
doaj   +1 more source

Special Issue “Writing Genealogy: Auto/Biographical Research, Autoethnography and Narrative Inquiry”: An Introduction

open access: yesGenealogy, 2022
Writing about genealogy within the ‘academy’ has been hindered by the perception that researching family history and genealogy belongs in the realm of hobbyists as something you might peruse in retirement [...]
Helene Connor
doaj   +1 more source

Vog: Using Volcanic Eruptions to Estimate the Health Costs of Particulates

open access: yesThe Economic Journal, EarlyView., 2018
The negative consequences of long‐term exposure to particulate pollution are well established but a number of studies find no effect of short‐term exposure on health outcomes. The high correlation of industrial pollutants complicates the estimation of the impact of individual pollutants on health.
Timothy J. Halliday   +2 more
wiley   +1 more source

Zooarqueología y análisis de isótopos estables en un contexto pastoril

open access: yesEstudios Atacameños, 2021
El objetivo de este trabajo consiste en estudiar y discutir las estrategias de explotación de camélidos sudamericanos empleadas por los ocupantes del sitio arqueológico Cueva Chayal (departamento de Susques, provincia de Jujuy, Argentina) durante el ...
Celeste Samec, Hugo Yacobaccio
doaj   +1 more source

Home - About - Disclaimer - Privacy