Results 21 to 30 of about 370,777 (164)

Enhancing multitasking capacity: An acoustic tagging and sampling methodology for the spiny butterfly ray (Gymnura altavela) in the Canary Islands

open access: yesEcological Solutions and Evidence, Volume 7, Issue 1, January–March 2026.
To overcome challenges in studying elusive benthic elasmobranchs, a comprehensive, rapid methodology was developed and applied to 133 Spiny Butterfly Rays in Gran Canaria and Tenerife between 2020 and 2024. This approach integrated internal tagging with acoustic and external T‐bar tags, alongside biological sampling and ultrasound assessments, all ...
Ana Espino‐Ruano   +12 more
wiley   +1 more source

Microtargeting for conservation

open access: yesConservation Biology, Volume 33, Issue 5, Page 1141-1150, October 2019., 2019
Abstract Widespread human action and behavior change is needed to achieve many conservation goals. Doing so at the requisite scale and pace will require the efficient delivery of outreach campaigns. Conservation gains will be greatest when efforts are directed toward places of high conservation value (or need) and tailored to critical actors.
Alexander L. Metcalf   +6 more
wiley   +1 more source

Eficiência técnica na produção de manga em Petrolina (PE). [PDF]

open access: yes, 2015
Neste estudo será abordada a produção total dos fatores (PTF) na produção de manga no semiárido brasileiro, em específico no Vale do Submédio São Francisco. A maior demanda por produtos agroalimentares de qualidade vem ocasionando mudanças significativas
ARAÚJO, J. A.   +2 more
core  

The crucial role of meshing in computational fluid dynamics simulations for organic geometries in paleobiology: Describing fluid dynamics performance through best practices

open access: yesMethods in Ecology and Evolution, Volume 16, Issue 10, Page 2170-2194, October 2025.
Abstract Computational fluid dynamics (CFD) has become an essential tool for studying fluid interactions in biological systems. While widely used in engineering, its application in the natural sciences, particularly in paleobiology, remains limited due to the challenges of meshing complex organic geometries.
Matheo López‐Pachón   +1 more
wiley   +1 more source

Eficiência técnica da produção de milho no estado de São Paulo: uma abordagem por metafronteira estocástica

open access: yesRevista de Economia e Sociologia Rural, 2019
Resumo O presente artigo analisou a eficiência técnica da produção paulista de milho, empregando a metodologia de metafronteira estocástica, com base nos microdados do Levantamento Censitário das Unidades de Produção Agropecuárias do estado de São Paulo,
Pedro Soares   +1 more
doaj   +1 more source

CHARACTERIZATION AND TECHNICAL EFFICIENCY OF PORTUGUESE WINE FARMS [PDF]

open access: yes, 2009
Este estudo teve como objectivos caracterizar e analisar a evolução, medir os níveis de eficiência técnica e relacionar esta com alguns atributos dos agricultores e das explorações, de uma amostra de explorações vitícolas pertencentes à região Alentejo ...
Carvalho, Maria Leonor da Silva   +4 more
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Influence of sex‐organ positions on pollen transfer and self‐interference in plants with stylar polymorphisms: An experimental approach using three‐dimensional printed flowers

open access: yesFunctional Ecology, Volume 39, Issue 9, Page 2526-2538, September 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Heterostylous plants are defined by the reciprocal positioning of stigmas and anthers in floral morphs—a trait proposed by Darwin to enhance the efficiency of disassortative (intermorph) pollen transfer.
Victoria Ferrero   +3 more
wiley   +1 more source

A lógica produtiva em produtores de leite micaelenses [PDF]

open access: yes, 2015
Seminário Agricultura e Ambiente: Conflito de lógicas produtivas?, Departamento de Ciências Agrárias, Universidade dos Açores, 27 de novembro 2014. ISBN 978- 972-8612-94-8 (Atas em CD)A produção de leite, nos Açores, representa a maior atividade agrícola
Almeida, Bruno Aires da Silva   +2 more
core  

Efficiencies of and Motivations for Contracting Out in the Public Sector: The Case of Social Services in Spain

open access: yesPublic Administration, Volume 103, Issue 3, Page 693-706, September 2025.
ABSTRACT Debates on contracting out to the private sector is primarily focused on the cost efficiency of its provision, drawing on experiences with hard or technical services such as waste and water management. This paper focuses on a growing interest in the role and impact of sourcing decisions in softer or more human‐centered services, such as social
Danny Chow   +2 more
wiley   +1 more source

Fatores condicionantes a eficiência técnica e econômica da cajucultura nordestina. [PDF]

open access: yes, 2011
Com base em dados levantados pelo CNPCa/EMBRAPA, relativos a safra 1988/89, testou-se a hipotese de que a baixa eficiencia tecnica e economica da cajucultura nordestina esta condicionada a fatores economicos, sociais e agronomicos.
LEMOS, J. de J. S.   +1 more
core  

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