Results 81 to 90 of about 139,674 (261)

Computational Analysis of a Spiral Thermoelectric Nanoantenna for Solar Energy Harvesting Applications [PDF]

open access: yes, 2014
Thermo-electrical nanoantennas have been proposed as an alternative option for conversion solar energy harvesting applications. In this work, the response of a spiral broadband antenna has been obtained from numerical and theoretical simulations ...
Alda, Javier   +7 more
core   +2 more sources

Talking as friends: Weaving local and scientific knowledge to co‐produce an integrated index to assess rangeland multifunctionality in a dryland Biosphere Reserve in Mexico

open access: yesPeople and Nature, Volume 7, Issue 11, Page 3036-3056, November 2025.
Abstract The complexity of sustainability challenges and the need for transformative change have prompted the exploration of novel approaches for knowledge co‐generation and decision‐making. This calls for integrative assessment methods that meaningfully include and represent diverse knowledge systems, capturing multiple values, needs and interests as ...
Ricardo Ismael Mata‐Páez   +6 more
wiley   +1 more source

Indicadores de sustentabilidad para la toma de decisiones en proyectos de caminos básicos

open access: yesNOVASINERGIA, 2019
Las obras civiles contribuyen al progreso y mejoran la calidad de vida de las personas, sin embargo, también forman parte de una industria que genera destrucción en el entorno y la naturaleza.
Gabriela Paredes-Vega   +2 more
doaj   +1 more source

Soft Range Limits Shape Sensitivity to Forest Cover More Strongly Than Hard Range Limits

open access: yesGlobal Ecology and Biogeography, Volume 34, Issue 11, November 2025.
ABSTRACT Aim Land‐use change is a major threat to biodiversity, yet there remains considerable unexplained variation in how it affects different populations of the same species. Here, we examine how sensitivity to forest cover changes depending on proximity to different limits of a species' range.
Natasha R. Granville   +25 more
wiley   +1 more source

Indirect Measurement of Variables in a Heterogeneous Reaction for Biodiesel Production

open access: yesMethods and Protocols
This research focuses on the development of a state observer for performing indirect measurements of the main variables involved in the soybean oil transesterification reaction with a guishe biochar-based heterogeneous catalyst; the studied reaction ...
Ana Paloma González-García   +3 more
doaj   +1 more source

Hábitat sustentable [PDF]

open access: yes, 2012
1 archivo PDF (286 páginas) : incluye ilustraciones blanco y negro y colorConsta de cuatro artículos que plantean principios y lineamientos básicos sobre temas de sustentabilidad y 13 casos que ejemplifican intervención sustentable o que abordan temas ...
Arenal Fenochio, Jorge del   +25 more
core  

Evaluando los niveles tróficos de dos tiburones oceánicos del Océano Pacífico suroriental [PDF]

open access: yes, 2016
Indexación: Web of ScienceStable isotope analyses for shortfin mako (Isurus oxyrinchus) and blue sharks (Prionace glauca) were conducted to assess their trophic position in two periods of time (before 1980 and after 2000) in the Southeastern Pacific ...
Barria, P   +4 more
core   +1 more source

The influence of hydrological seasonality and land use and cover on the relationship between dissolved organic carbon and carbon dioxide along a karst‐draining large tropical river

open access: yesLimnology and Oceanography, Volume 70, Issue 10, Page 2858-2871, October 2025.
Abstract The partial pressure of carbon dioxide (pCO2) in rivers is influenced by carbonate weathering, soil CO2, photosynthesis, and the mineralization of dissolved organic carbon (DOC). In tropical regions, elevated temperatures intensify these processes. However, their seasonal dynamics remain poorly understood in large karst‐draining rivers.
Daniel Cuevas‐Lara   +5 more
wiley   +1 more source

Heterogeneity and vulnerability of livestock in forest plantations of Uruguay [PDF]

open access: yes, 2012
In this paper we study the situation of livestock farmers related to the afforestation of the northwest region of Uruguay and suggest that their vulnerability has characteristics that vary according to characteristics of the modified ecosystem in which ...
Carriquiry, R.   +3 more
core  

Response to comment on 'Amphibian fungal panzootic causes catastrophic and ongoing loss of biodiversity' [PDF]

open access: yes, 2020
Lambert et al. question our retrospective and holistic epidemiological assessment of the role of chytridiomycosis in amphibian declines. Their alternative assessment is narrow and provides an incomplete evaluation of evidence.
Acevedo, Aldemar A.   +40 more
core   +2 more sources

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