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Mostrando ítems 2301-2310 de 4087
Variation in the Abundance of Neotropical Bees in an Unpredictable Seasonal Environment
(2016-04-01)
This study provides information on the number of orchid bees based on a long-term monitoring study in an antropized savanna region in Southeastern Brazil. Sampling was carried out using chemical lures, and 77 samples were ...
Habitat use and reproductive activity of anurans from a cerrado area in Minas Gerais State, Southeastern Brazil
(2019-01-01)
The Brazilian Cerrado is one of the 25 most important biodiversity hotspots, considered the most threatened savanna on earth. Amphibians are especially vulnerable to habitat modifications due to behavioural and physiological ...
On the Identity of Species of Oreobates (Anura: Craugastoridae) from Central South America, with the Description of a New Species from Bolivia
(2020-12-01)
The similar morphology of species in the genus Oreobates that inhabit rocky outcrops amidst the Seasonally Dry Tropical Forests and Cerrado savannas of central South America has led to taxonomic inaccuracies when only ...
New distribution records from the Brazilian Cerrado and species distribution modelling of Boana crepitans, Lithobates palmipes, Pipa pipa, and Micrurus h. hemprichii
(2019-10-02)
Even though the herpetofauna richness in the Cerrado–a vast tropical savanna ecoregion of Brazil–is one of the highest of all Brazilian biomes, it still needs to be thoroughly investigated. This study reports the first ...
Aplicação de ureia revestida em cobertura no milho irrigado sob sistema de semeadura direta
(2014-01-01)
The objective of this study was to evaluate the effect of nitrogen doses using urea or coated urea by polymers, in contents of nitrogen and chlorophyll in leaf, agronomic characteristics and yield of corn under no-tillage ...
Hybridization despite elaborate courtship behavior and female choice in Neotropical tree frogs
(2022-01-01)
The mechanisms of hybridization can be elucidated by analyzing genotypes as well as phenotypes that could act as premating barriers, as the reproductive interactions among heterospecifics can alter the evolutionary history ...
Soil mycobiome is shaped by vegetation and microhabitats: A regional-scale study in Southeastern Brazil
(2021-08-01)
Soil is the principal habitat and reservoir of fungi that act on ecological processes vital for life on Earth. Understanding soil fungal community structures and the patterns of species distribution is crucial, considering ...
Generalist populations formed by generalist individuals: A case of study on the feeding habits of a neotropical stream fishPopulações generalistas formadas por indivíduos generalistas: Um caso de estudo sobre os hábitos alimentares de um peixe de riacho neotropical
(2021-01-01)
Aim: We described the diet of the generalist stream fish Knodus chapadae and we tested if the environmental conditions are associated with population’s diet and individual specialization. Methods: We analyzed the stomach ...
Estrutura do pericarpo de Banisteriopsis C.B.Rob. e Diplopterys A.Juss. (Malpighiaceae): Novos dados suportando a segregação genérica
(2012-11-28)
Molecular studies have indicated that some species of Banisteriopsis would be more appropriately placed in Diplopterys. Both of these genera are neotropical members of the Malpighiaceae, a family that is widely diverse in ...
Potencial alelopático e levantamento do banco natural de sementes sob a copa de Copaifera langsdorffii Desf
(2012-07-01)
The aim of this study was to evaluate the allelopathic effect of soil samples collected under the canopies of three specimens of Copaifera langsdorffii the germination of Lactuca sativa and survey the natural seed bank ...