Results 61 to 70 of about 122,829 (239)

Hydropower Regulation of Xingu River Discharge Structures Heterogeneous, Sector‐Specific Responses in Pacu Fisheries Along the River Continuum

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT Hydroelectric dams are common in Amazonian tributaries under federal environmental licensing that requires long‐term fisheries monitoring. This study evaluated three fishing systems targeting “pacu” species (Serrasalmidae) in the Xingu River before, during, and after construction of the Belo Monte dam (2012–2023) across four river sectors ...
João Paulo Moura de Queiroz   +5 more
wiley   +1 more source

Modelamiento de los esfuerzos residuales en películas delgadas de multicapas [PDF]

open access: yes, 2011
Películas delgadas de cromo (Cr), nitruro de cromo (CrN) y multicapas de Cr/CrN se crecieron, utilizando la técnica de magnetrón sputtering, sobre sustrato de silicio.
Arias Mateus, Diego Fernando
core  

Gender Differences in the Impact of Domestic and International Remittances on Household Food Security. Evidence From Rural Zimbabwe

open access: yesPoverty &Public Policy, Volume 18, Issue 4, December 2026.
ABSTRACT Despite efforts, food security remains an elusive goal in rural Africa. Without robust safety nets, households employ alternative coping strategies, including internal and international migration to leverage remittances. Using data from a 2024 nationally representative cross‐sectional survey of 17,942 rural households conducted by the Zimbabwe
Dephine Mazambani   +2 more
wiley   +1 more source

La cultura del esfuerzo

open access: yes, 2021
La cultura del esfuerzo del profesor Mateo Valero Cortés es título del libro número cinco de la colección Mestres publicado por la Universitat Politècnica de Catalunya. Esta colección tiene por objetivo ofrecer a los lectores una lección magistral de los profesores y profesoras de la UPC.
openaire   +3 more sources

La nobleza del esfuerzo

open access: yesNodos y Nudos, 2012
En el nuevo nido del viento hay una paloma dorada.
openaire   +1 more source

Does the Adoption of Improved Cassava Varieties Boost Productivity in Ghana? The Role of Technology, Management, and Structural Gaps

open access: yesWorld Food Policy, Volume 12, Issue 2, November 2026.
ABSTRACT Agricultural development initiatives in sub‐Saharan Africa have emphasized improved crop varieties as a pathway to food security, resilience, and rural poverty reduction. However, empirical evidence often focuses narrowly on plot‐level outcomes and overlooks whole‐farm effects and the substantial heterogeneity in farmers' management practices,
Kodjo Kondo   +4 more
wiley   +1 more source

From Policy Legitimization to Blame Avoidance—Discursive Strategies During Denmark's Mink Culling Crisis

open access: yesPolicy Studies Journal, Volume 54, Issue 4, November 2026.
ABSTRACT This paper examines how governments navigate policy legitimacy during crises through three distinct discursive processes: legitimization, delegitimization, and blame avoidance. Using a sequential mixed‐methods design, the study analyzes Denmark's decision to cull all mink during the COVID‐19 pandemic. The quantitative analysis of 947 newspaper
Olivier Rubin   +3 more
wiley   +1 more source

Can Green Energy Finance and Eco‐Friendly Taxes Cap Global Warming to 2 Degrees and 1.5 Degrees Celsius Above Pre‐Industrial Levels? Uncovering the Synergistic Power of Rule of Law

open access: yesWorld Affairs, Volume 189, Issue 4, Winter 2026.
ABSTRACT Anchored on the sustainable development goals (SDGs) and the Paris Agreement, which seek to limit the global average temperature to well below 2°C above pre‐industrial levels and pursue efforts to limit the temperature to 1.5°C, this study investigates how green energy finance and environmental taxes affect environmental quality, with an ...
Mohammed Musah   +4 more
wiley   +1 more source

geohabnet: An R package for mapping habitat connectivity for biosecurity and conservation

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 10, Page 2862-2872, October 2026.
Abstract Habitat connectivity is critical for the conservation of endangered and endemic species, and conversely, it can hinder efforts to contain the spread of harmful biological agents. Here, we introduce geohabnet: a general, spatially explicit, network‐based R package for evaluating, estimating and mapping landscape connectivity from continuous ...
Aaron I. Plex Sulá   +6 more
wiley   +1 more source

Determinación de Esfuerzos

open access: yes, 2012
Estos cuadernillos tienen su origen como apoyo docente a la asignatura de Estructuras de Acero del Máster Oficial de Estructuras de Edificación de la ETSAM. Pensamos asimismo que pueden servir de referencia y utilidad a toda persona interesada en el campo de las estructuras metálicas de ...
Conde Conde, Jorge   +2 more
openaire   +1 more source

Home - About - Disclaimer - Privacy