Results 41 to 50 of about 234 (125)

Aspectos biológicos das Orchidaceae de uma campina da Amazônia Central [PDF]

Acta Amazonica, 1977
RESUMO Neste trabalho, estudou-se a taxonomia, distribuição geográfica, fenologia e biologia floral das Orchidaeeae da Reserva Biológica de Campina, estrada Manaus-Caracaraí, km 62.
Pedro Ivo Soares Braga
doaj   +1 more source

Distinct Intra‐ and Interspecific Foraging Patterns of Stingless Bee Species as a Conservation Tool

Biotropica, Volume 57, Issue 5, September 2025.
In this study, we examined the foraging patterns of three rescued stingless bee species in the Bolivian Yungas using melissopalynology and plant–pollinator network analysis. We found distinct floral foraging patterns both within and among three stingless bee species in the Bolivian Yungas, suggesting niche partitioning at multiple levels.
Sissi Lozada‐Gobilard, Pamela Cristina Santana, Yamil Maidana‐Tuco, Elvis Otmar Gutierrez, Teresa Ortuño   +4 more
wiley   +1 more source

Mangrove Pollinator Functional Diversity Decreases With Patch Size and Landscape Anthropization

Biotropica, Volume 57, Issue 5, September 2025.
This study explores how land use changes impact pollinator diversity in mangrove ecosystems, focusing on the effects of patch size and landscape anthropization on pollinators with different functional traits. Results show that smaller mangrove patches can support higher pollinator abundance, richness, and diversity; however, overall pollinator metrics ...
Paula María Montoya‐Pfeiffer, Carlos E. Sarmiento, Augusto Montoya, Eliana Buenaventura, Jenny Alexandra Rodríguez‐Rodríguez   +4 more
wiley   +1 more source

Contrasting bee pollination in two co-occurring distylic species of Cordia (Cordiaceae, Boraginales) in the Brazilian semi-arid Caatinga: generalist in C. globosa vs. specialist in C. leucocephala

Anais da Academia Brasileira de Ciências, 2010
In this study we compare the reproductive biology of Cordia globosa and C. leucocephala (Cordiaceae, Boraginales; formerly referred to Boraginaceae) to understand the functioning of the floral morphs and the relations with their effective pollinators ...
Isabel C. Machado, Ariadna V. Lopes, Marlies Sazima   +2 more
doaj   +1 more source

Indicação de genótipos polinizadores para o cultivar de macieira ‘SCS443 Isadora’

Agropecuária Catarinense
Em função do mecanismo genético de autoincompatibilidade gametofítica presente na macieira, é primordial que um pomar possua genótipos polinizadores específicos para garantir a produção de frutos.
Marcus Vinícius Kvitschal, Thyana Lays Brancher, Rafaela Walesko Elias   +2 more
doaj   +1 more source

Polinización por abejas en Syagrus orinocensis (Arecaceae) en la Orinoquia colombiana

Acta Biológica Colombiana, 2017
La ecología de la polinización de Syagrus orinocensis fue estudiada durante tres períodos reproductivos, en un bosque de piedemonte en Casanare, Orinoquia colombiana.
Luis Alberto Nuñez Avellaneda, Javier Isnardo Carreño   +1 more
doaj   +1 more source

Ants on flowers: Protective ants impose a low but variable cost to pollination, moderated by location of extrafloral nectaries and type of flower visitor

Journal of Ecology, Volume 113, Issue 8, Page 2187-2198, August 2025.
Individuals who engage in multiple mutualisms often have to pay indirect costs because of the interference of one mutualism on another. We found that protective ants had a low but variable impact on pollination, especially on the flower visitation by bees and when EFNs are close to inflorescences.
Amanda Vieira da Silva, Anselmo Nogueira, Judith L. Bronstein, Pedro J. Rey, Laura Carolina Leal   +4 more
wiley   +1 more source

Série Felix

Agropecuária Catarinense
Por ser uma espécie alógama e portadora de autoincompatibilidade gametofítica, a macieira (Malus x domestica Borkh.), via de regra, só frutifica satisfatoriamente na presença de outro cultivar usado como polinizador.
Frederico Denardi, Marcus Vinícius Kvitschal, Marcelo Couto   +2 more
doaj   +1 more source

Atividade forrageira da abelha Apis mellifera sobre as flores da aroeira-vermelha

Agropecuária Catarinense, 2021
O levantamento da abundância e freqüência das abelhas Apis mellifera scutellata, Lepeletier (1836), e as observações do seu comportamento sobre as flores da aroeira-vermelha foram desenvolvidos durante dois ciclos reprodutivos da espécie. Foram coletadas
Maurício Lenzi, Afonso Inácio Orth
doaj  

Integrating data to assess occupancy patterns of an endangered bumble bee

Conservation Biology, Volume 39, Issue 4, August 2025.
Abstract There is growing interest in integrating community science data with structured monitoring data to estimate changes in distribution patterns of imperiled species, including pollinators. However, significant challenges remain in determining how unstructured community science data should be incorporated into formal analyses of species ...
Kristen S. Ellis, Clint R. V. Otto, Larissa L. Bailey, Tamara A. Smith, Steven Choy, Lauren Hatch   +5 more
wiley   +1 more source