Results 1 to 10 of about 108 (75)

Potencial Alelopático de Panicum maximum JACQ sobre a Germinação de Sementes de Espécies Nativas [PDF]

open access: yesFloresta e Ambiente, 2023
RESUMO Neste trabalho testou-se o efeito do extrato de capim colonião (Panicum maximum) sobre a germinação de sementes de alface, canafístula e angico. Os extratos foram elaborados na proporção de 200 g de parte aérea fresca e 100 g de parte aérea seca ...
Danielle Medina Rosa   +4 more
doaj   +1 more source

Desenvolvimento de espécies arbóreas nativas em uma área reflorestada do corredor de biodiversidade Santa Maria - PR [PDF]

open access: yesRevista Árvore, 2014
Objetivou-se avaliar um plantio de enriquecimento com 12 espécies arbóreas nativas da região, em uma área reflorestada do Corredor de Biodiversidade Santa Maria, localizado entre os Municípios de Santa Terezinha de Itaipu e São Miguel do Iguaçu, no ...
Rosimeri de Oliveira Fragoso   +3 more
doaj   +3 more sources

Lipidomic features of honey bee and colony health during limited supplementary feeding Características lipidómicas de la abeja melífera y salud de la colonia durante dietas suplementarias restringidas

open access: yesInsect Molecular Biology, Volume 32, Issue 6, Page 658-675, December 2023., 2023
Nutritional starvation of honey bee colonies has long‐term negative consequences on honey production, even after the colonies were left to recover on good floral resources. Nutritional stress in honey bees leads to increased unsaturations of stored lipids.
Clara E. Castaños   +6 more
wiley   +1 more source

Skeletal age during hurricane impacts fluctuating asymmetry in Cayo Santiago rhesus macaques

open access: yesEcology and Evolution, Volume 13, Issue 8, August 2023., 2023
Fluctuating asymmetry (FA), or random deviations from symmetry, can be used as a proxy for developmental instability, and anthropogenic and natural disruptions have been associated with increased levels of FA. In this study, we investigate the effect of demographic variables (age, sex, and decade of birth) and hurricane experience on FA in a model ...
Ashly N. Romero   +3 more
wiley   +1 more source

Causes of the recent decline of a Lesser Kestrel (Falco naumanni) population under an enhanced conservation scenario

open access: yesIbis, Volume 165, Issue 2, Page 388-402, April 2023., 2023
Lesser Kestrel Falco naumanni (Fleischer, 1818) populations have been one of the best monitored bird populations in Spain over the last 70 years. These populations suffered a sharp decline between the 1950s and 1990s. Since then, periodic censuses showed a population increase that lasted until the 2010s.
José Miguel Aparicio   +3 more
wiley   +1 more source

Trends in seabird breeding populations across the Great Barrier Reef

open access: yesConservation Biology, Volume 35, Issue 3, Page 846-858, June 2021., 2021
Abstract The Great Barrier Reef is an iconic ecosystem, known globally for its rich marine biodiversity that includes many thousands of tropical breeding seabirds. Despite indications of localized declines in some seabird species from as early as the mid‐1990s, trends in seabird populations across the reef have never been quantified.
Bradley K. Woodworth   +5 more
wiley   +1 more source

The use of social attraction techniques to restore seabird colonies on Desecheo Island, Puerto Rico

open access: yesEcological Solutions and Evidence, Volume 2, Issue 2, April–June 2021., 2021
Bridled terns decoys with mirror as part of the social attraction techniques for seabirds implemented on Desecheo Island, Puerto Rico Abstract Desecheo Island (117 ha) was historically an important seabird island in the Caribbean with 15 species recorded, of which seven are known to breed, including major populations of brown boobies and red‐footed ...
Jose‐Luis Herrera‐Giraldo   +6 more
wiley   +1 more source

Capim-colonião e seus efeitos sobre o crescimento inicial de clones de Eucalyptus × urograndis

open access: yesCiência Florestal, 2010
Esta pesquisa teve o objetivo de avaliar o efeito da convivência de capim-colonião sobre o crescimento inicial de plantas de clones de eucalipto. Foram instalados dois ensaios com mudas de clones de eucalipto e de capim-colonião, que cresceram em ...
Michelle Barbeiro da Cruz   +3 more
doaj   +1 more source

Efeito do consórcio de milho com Panicum maximum na comunidade infestante e na cultura da soja em rotação Effect of corn and Panicum maximum intercropping on weed and soybean crop in rotation

open access: yesPlanta Daninha, 2011
Objetivou-se com este trabalho estudar os efeitos do consórcio de milho com colonião (Panicum maximum cv. Aruana) na infestação de plantas daninhas e na cultura da soja em rotação.
N.M Correia, M.B Leite, B Daniel
doaj   +1 more source

Consumo voluntário de forragem de três cultivares de Panicum maximum sob pastejo Voluntary intake of three cultivars of Panicum maximum under grazing

open access: yesRevista Brasileira de Zootecnia, 1999
Os objetivos deste trabalho foram estimar o consumo de matéria seca de animais pastejando três cultivares de Panicum maximum e relacioná-lo com ganho de peso, tempo de pastejo (TP) e algumas características químicas e estruturais do pasto. O delineamento
Valéria Pacheco Batista Euclides   +3 more
doaj   +1 more source

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