Results 11 to 20 of about 3,200 (128)

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

Interferência de plantas daninhas na cultura do sorgo sacarino. [PDF]

open access: yes, 2019
Este trabalho teve como objetivo o estudo fitossociológico da comunidade infestante ao longo do ciclo de desenvolvimento do sorgo sacarino e a determinação do período crítico de prevenção à interferência das plantas daninhas na cultura.
GALON, L.   +6 more
core   +1 more source

Efeitos da irrigação e adubação nitrogenada sobre a massa de forragem de cultivares de Panicum maximum Jacq. Effects of irrigation and nitrogen fertilization on dry matter yield of Panicum maximum cultivars

open access: yesRevista Brasileira de Zootecnia, 2005
Foi conduzido um experimento no período de 06/09/2000 a 18/09/2001, para se avaliar os efeitos da irrigação e da adubação nitrogenada sobre a massa de forragem de cinco diferentes cultivares de Panicum maximum Jacq.
Érica Matsumoto de Souza   +4 more
doaj   +1 more source

Desempenho de juvenis de carpa-capim (Ctenopharyngodon idella) alimentados com silagem de diferentes forrageiras tropicais

open access: yesBoletim do Instituto de Pesca, 2016
O objetivo deste estudo foi avaliar o efeito de diferentes forrageiras tropicais na alimentação de juvenis de carpa-capim. Foram realizados os seguintes tratamentos: capim-elefante (Pennisetum purpureum); capim-colonião (Panicum maximum); capim-tifton ...
Thaianara Galdino do NASCIMENTO   +5 more
doaj   +1 more source

Crescimento e alocação de fitomassa de cinco gramíneas forrageiras em condições de Cerrado

open access: yesRevista de Biologia Neotropical, 2011
Gramíneas forrageiras são espécies dominantes nas pastagens brasileiras, destacando-se entre elas Brachiaria decumbens, B. brizantha cv. Marandu e Panicum maximum cv. Colonião, Tanzânia e Mombaça.
Tomás de Aquino Portes   +1 more
doaj   +1 more source

CONSUMO DE ALIMENTOS E PRODUÇÃO DE LEITE DE VACAS MESTIÇAS MANTIDAS EM DIFERENTES PASTAGENS TROPICAIS

open access: yesCiência Animal Brasileira, 2008
Realizou-se a avaliação do consumo de alimentos e da produção de leite de vacas mestiças pastejando piquetes de capim Napier (Pennisetum purpureum) (NAP), Brachiaria decumbens (BRA) e Colonião (Pannicum maximum) (COL) e suplementadas com quatro kg de ...
Edmundo Benedetti   +4 more
doaj   +1 more source

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