Results 41 to 50 of about 3,422 (113)

Photoperiod modulates courtship behavior and plasma testosterone in a short‐day passerine

Journal of Avian Biology, Volume 2026, Issue 5, September 2026.
Seasonal reproduction in birds is commonly regulated by photoperiod, and passerines are generally considered long‐day breeders. The Java sparrow Padda oryzivora has been proposed as a possible exception, but experimental evidence for short‐day photoperiodicity has remained limited.
Maricel Quispe, Benjamín Silva Rochefort, María José Rojas, Irene Alburquerque, Natalia I. Márquez, Camila P. Villavicencio, René Quispe, João F. Botelho, Manuel Maliqueo, Gonzalo Marín, Jorge Mpodozis, Macarena Faunes   +11 more
wiley   +1 more source

Physiological Quality of Passiflora edulis Fruits and Seeds in Relation to Ripening Stages and Postharvest Storage of Fruits

New Zealand Journal of Crop and Horticultural Science, Volume 54, Issue 3, September 2026.
Yellow fruits produce seeds with greater vigor, antioxidant activity, and enzymatic performance, while fruit firmness is associated with seed physiological quality. In addition, seeds from yellow fruits maintain high germination capacity after long‐term storage.
Ediane Conceição Alves, Ana Carolina Andrade Silva, Carlos Eduardo Magalhães dos Santos, Ana Maria Guimarães Bernardo, Denise Cunha Fernandes dos Santos Dias, Marcelo Augusto Rocha Limão   +5 more
wiley   +1 more source

Análise de desempenho econômico da produção orgânica de leite: estudo de caso no Distrito Federal Assessment of economic performance of organic milk production: case study in the brazilian federal district

Ciência e Agrotecnologia, 2009
Neste trabalho, objetivou-se analisar economicamente a produção orgânica de leite. Para esta avaliação foram utilizados os dados obtidos em uma propriedade certificada como orgânica, localizada no Distrito Federal, durante os períodos de 2002 e 2003.
Andréa Amaral Alves, Ângela Maria Quintão Lana, Luiz Carlos Takao Yamaguchi, Luiz Januário Magalhães Aroeira   +3 more
doaj   +1 more source

Long‐term changes in functional diversity and its implications for mammalian conservation and ecological restoration in a grassland ecosystem

Functional Ecology, Volume 40, Issue 8, Page 2379-2391, August 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Paleontological data provide information on natural environments prior to human influence, which are useful for tracking changes in ecosystem functioning through time. During the Late Pleistocene, about 10% of terrestrial mammalian species were extinct in South America.
Thayara S. Carrasco, Catalina Pimiento, Tiago B. Quental, Pedro L. Godoy   +3 more
wiley   +1 more source

Impact of Climate Change on the Potential Distribution of Macaúba (Acrocomia aculeata, Acrocomia totai, Acrocomia intumescens) in Brazil

GCB Bioenergy, Volume 18, Issue 8, August 2026.
Climate change is projected to drive contrasting responses among Brazilian macaúba palms, ranging from relative stability and expansion to severe suitability loss. Ensemble ecological distribution models identified Acrocomia intumescens as highly vulnerable, while A.
George Corrêa Amaro, Vanessa Gonçalves do Nascimento, Anderson Barbosa Evaristo, Santiago José Elías Velazco, Ricardo Siqueira da Silva, Niloufar Lorestani, Farzin Shabani   +6 more
wiley   +1 more source

Viabilidade financeira e riscos associados à integração lavoura-pecuária no estado do Paraná

, 2010
The Brazilian agricultural sector is characterized by a great diversity of production systems subject to a wide number of risk factors. These risks cannot be completely eliminated, but they can be minimized by the adoption of some strategies, such as diversification of agricultural and livestock activities.
Lazzarotto, Joelsio Jose, Santos, Maurinho Luiz dos, Lima, Joao Eustaquio de   +2 more
openaire   +2 more sources

Application of Comet Hop Essential Oil for Aroma Enhancement in American IPA Beer: Physicochemical, Sensory, and Consumer Acceptance Impacts

Journal of Sensory Studies, Volume 41, Issue 4, August 2026.
ABSTRACT Hops provide bitterness and aroma to beer; however, combining these attributes is challenging because they require different processing conditions. This study investigated the use of Comet hop essential oil as an aroma‐enhancing agent in American IPA craft beer by evaluating its effects on physicochemical and sensory characteristics, as well ...
Mila Marques Gamba, Gabriella dos Anjos Lima da Silva, Julia de Acizio Freitas, Maria Laura Silva Galdino, Tarcísio Lima Filho, Suzana Maria Della Lucia   +5 more
wiley   +1 more source

Consulta

Revista Mexicana de Ciencias Pecuarias, 2022
Revista Pecuaria
doaj   +1 more source

Commercialization of hormonal herbicides and proposal for a risk analysis of their use in municipalities in the Rio Grande do Sul State, Brazil

Pesquisa Agropecuária Gaúcha
Analysis of the trade of hormonal herbicides in cities in Rio Grande do Sul provides important guidance for regulatory and educational actions. The aim of this study was to carry out a diagnositic of commercialization in municipalities in the Campanha ...
Michelle Cristine Rodrigues Gomes, Rafael Friedrich de Lima, Ricardo Augusto Felicetti, Paulo Victor Rysdyk da Silva, Luciane Da Rosa Rubim, Natielo Almeida Santana   +5 more
doaj   +1 more source

Desenvolvimento Inicial de Espécies Florestais em Sistema Silvipastoril na Região Sudeste

Pesquisa Florestal Brasileira, 2010
A seleção de espécies florestais adequadas é de fundamental importância para o sucesso dos sistemas silvipastoris. O objetivo deste trabalho foi avaliar o desenvolvimento inicial de espécies florestais nativas escolhidas pelo valor econômico e aporte de ...
Maria Luiza Franceschi Nicodemo, Vanderley Porfirio-da-Silva, Patricia Menezes Santos, Marcela de Melo Brandão Vinholis, Alfredo Ribeiro de Freitas, Gregory Caputti   +5 more
doaj