Results 91 to 100 of about 45,828 (244)

Procedencia botánica del polen de la miel almacenada por Apis mellifera en alrededores de la Sabana de Bogotá II: Polen en la miel

open access: yesAgronomía Colombiana, 1987
En este trabajo se hizo un estudio sobre el polen presente en miel de Apis mellifera en tres apiarios en los alrededores de la Sabana de Bogotá. Se analizó el polen contenido en los mi cropreparados mediante los cuales se reconocieron 14 especies ...
Ortiz de Boada Dilia   +1 more
doaj  

Pollinators and climate change [PDF]

open access: yes, 2018
El cambio climático está ampliamente reconocido como una de las principales amenazas para la biodiversidad y los polinizadores no son ajenos a este impacto.
Herrera Vega, José Manuel   +1 more
core   +2 more sources

When honeybees come to town: Critical aspects of urban beekeeping and opportunities for regulation

open access: yesPeople and Nature, EarlyView.
Abstract Urban areas are increasingly valued for their role in conserving wild pollinators. Honeybees are often regarded as ambassador species for pollinator conservation, and beekeeping is frequently perceived as a pro‐biodiversity activity, which has become highly popular in urban areas.
Joan Casanelles‐Abella   +5 more
wiley   +1 more source

Flowering out of sync: Climate change alters the reproductive phenology of Terminalia paniculata in the Western Ghats of India

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Understanding how climate change impacts the plant life cycle is critical for maintaining biodiversity and ecosystem services. Our findings suggest that Terminalia paniculata Roth, a common tropical deciduous tree species in the Western Ghats, is now flowering and fruiting at more scattered times than it used to in the past.
Ananthapadmanaban Karthikeyan   +2 more
wiley   +1 more source

The effect of nectar production to the gathering behaviour of honeybees and to the foraging activity of wild bees at apple flowers

open access: yesInternational Journal of Horticultural Science, 2006
Intensity of bee visitation (honeybees and wild bees), foraging behaviour of honeybees and nectar parameters (nectar production, sugar concentration, sugar content in nectars) were inspected at 18 apple cultivars for three consecutive years.
P. Benedek, K. Finta
doaj   +1 more source

Espécies vegetais fornecedoras de néctar para Scaptotrigona bipunctata (Hymenoptera, Apidae, Meliponini) ao longo do ano em Fortaleza, Ceará. [PDF]

open access: yes, 2016
No Estado do Ceará o ano apícola está dividido em quatro períodos: seco, transição seco-chuvoso, chuvoso e transição chuvoso-seco. Dentre as estações do ano, a chuvosa é a mais abundante em flores enquanto que a transição seca-chuvosa, é o período mais ...
ALVES, J. E.   +3 more
core  

Prospective of indigenous African wild food plants in alleviation of the severe iron deficiency anaemia in Sub‐Saharan Africa

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Iron deficiency anaemia remains a major public health challenge in Sub‐Saharan Africa, where population growth, displacement and limited resources heighten nutritional insecurity. We compiled a list of indigenous African underutilized wild food plants and examined their potential for addressing micronutrient deficiencies.
Eltayb Abdellatef   +2 more
wiley   +1 more source

Munduri (Melipona asilvai): a abelha sestrosa. [PDF]

open access: yes, 2017
Características e importância do gênero melipona; A Munduri - habitat; Hábitos de nidificação; Arquitetura do ninho; Materiais utilizados para construção do ninho; População e comportamento defensivo; Instalação do meliponário; Caixa para criação ...
ALVES, R. M. de O.   +4 more
core   +1 more source

Secrets within stems: The cryptic Apodanthes caseariae (Apodanthaceae), a rare neotropical holoendoparasite

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Holoendoparasites are extremely rare plants that live entirely hidden inside their hosts, with only flowers and fruits visible. We studied Apodanthes caseariae, found in central and South America, parasitizing Casearia sylvestris. Little is known about its life cycle.
Jessica A. Ramírez‐Ramírez   +4 more
wiley   +1 more source

Atividade de vôo de abelhas jandaíra (Melípona subnitida Ducke, 1910) instaladas em dois modelos de colméia. [PDF]

open access: yes, 2011
Este trabalho objetivou estudar a atividade de vôo de abelhas jandaíra (Melípona subnitida) instaladas em dois modelos de colmeia (horizontal e vertical) e verificar a influência das condições ambientais nessa atividade.
CAMARGO, R. C. R. de   +5 more
core  

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