Results 71 to 80 of about 1,255 (181)

Trigona corvina: An Ecological Study Based on Unusual Nest Structure and Pollen Analysis

open access: yesPsyche: A Journal of Entomology, 2009
We found that the nest of Trigona corvina (Apidae; Meliponini) consists mainly of pollen exines from bee excrement, forming a scutellum shield encasing the colony.
David W. Roubik   +1 more
doaj   +1 more source

Induced changes in the growth of four plant species due to lead toxicity

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental
Lead is a toxic metal that affects plant growth and the ecosystem. This study evaluated the lead (Pb) bioaccumulation potential of vetiver (Vetiveria zizanioides L.), sunflower (Helianthus annuus L.), elephant ear (Alocasia macrorrhiza) and ‘embaúba ...
Adriana A. Batista   +5 more
doaj   +1 more source

Temporal variation in production and nutritional value of pollen used in the diet of Apis mellifera L. in a seasonal semideciduous forest

open access: yesSociobiology, 2019
The flora of mountain formations in the Caatinga biome is composed predominantly by semi-deciduous species with representatives of both Atlantic and Amazon forest. Information on the potential for bee pollen production of these species is limited.
José Elton de Melo Nascimento   +6 more
doaj   +1 more source

Plantas medicinais utilizadas na comunidade caiçara da Praia do Sono, Paraty, Rio de Janeiro, Brasil Medicinal plants used in the "caiçara" community of Praia do Sono, Paraty, Rio de Janeiro, Brazil

open access: yesActa Botânica Brasílica, 2011
A comunidade caiçara da Praia do Sono ainda sustenta hábitos e tradições de antigas gerações, o que foi facilitado pelo difícil acesso a esta praia.
Mariana Reis de Brito   +1 more
doaj   +1 more source

Medicinal and ethnoveterinary remedies of hunters in Trinidad

open access: yesBMC Complementary and Alternative Medicine, 2001
Background Ethnomedicines are used by hunters for themselves and their hunting dogs in Trinidad. Plants are used for snakebites, scorpion stings, for injuries and mange of dogs and to facilitate hunting success. Results Plants used include Piper hispidum,
Georges Karla   +3 more
doaj   +1 more source

Antioxidant properties of species from the Brazilian cerrado by different assays

open access: yesRevista Brasileira de Plantas Medicinais, 2013
The purpose of this study was to screen the antioxidant activity of medicinal plant extracts from the Brazilian cerrado, through other methods than the total phenolic content and its correlation with the antioxidant activity.
K.S. Farias   +8 more
doaj   +1 more source

Plants used traditionally to treat malaria in Brazil: the archives of Flora Medicinal

open access: yesJournal of Ethnobiology and Ethnomedicine, 2007
The archives of Flora Medicinal, an ancient pharmaceutical laboratory that supported ethnomedical research in Brazil for more than 30 years, were searched for plants with antimalarial use.
Botsaris Alexandros S
doaj   +1 more source

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