Mountain wetland soil carbon stocks of Huascarán National Park, Peru
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]
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]
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
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
Zooarqueología y análisis de isótopos estables en un contexto pastoril
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
Vog: Using Volcanic Eruptions to Estimate the Health Costs of Particulates
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
Modelling GNSS-observed seasonal velocity changes of the Ross Ice Shelf, Antarctica, using the Ice-sheet and Sea-level System Model (ISSM) [PDF]
The flow speeds of floating ice shelves around the Antarctic Ice Sheet exhibit clear intra-annual variability. However, the drivers of this variability remain poorly understood.
F. Baldacchino +12 more
doaj +1 more source
Agrostis meyenii Trin. (Poaceae, Agrostidinae): first records from Peru, including taxonomic notes and an identification key [PDF]
The grass Agrostis meyenii Trin. (Poaceae, Agrostidinae) is newly recorded from Peru and is found in high-Andean puna grasslands of the departments of Ancash, Ayacucho, and Huánuco, marking the northernmost known limit of this species.
Steven P. Sylvester +1 more
doaj +3 more sources
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
Geología y Metalogenia de la Puna
En este trabajo se puntualizan una serie de conceptos sobre las relaciones existentes entre evolución geológica y metalogénesis de la Puna. El análisis de la sedimentación, magmatismo y metamorfismo de la provincia geológica Puna, permite diferenciarla ...
R. N. Alonso, J. G. Viramonte
doaj +1 more source

