Zobrazeno 1 - 10
of 104
pro vyhledávání: '"Paulo de Tarso Barbosa SAMPAIO"'
Autor:
Ricardo Aparecido Bento, Cândido Barreto de Novais, Orivaldo José Saggin-Júnior, Luiz Antonio de Oliveira, Paulo de Tarso Barbosa Sampaio
Publikováno v:
Journal of Fungi, Vol 9, Iss 5, p 540 (2023)
Bellucia imperialis is one of the most abundant pioneer tree species in anthropized areas of the Central Amazon, and has ecological importance for the environmental resilience of phosphorus (P)-depleted areas. Thus, we investigated whether B. imperia
Externí odkaz:
https://doaj.org/article/9c89931f1b774049929648504263ed30
Publikováno v:
Revista de Economia e Sociologia Rural, Vol 59, Iss 3 (2021)
Resumo: O pau-rosa é uma das espécies com maior potencial econômico atualmente na Amazônia brasileira. Desta árvore é extraído óleo valorizado pela indústria de perfumaria, tanto que sua exploração levou a espécie à ameaça de extinção
Externí odkaz:
https://doaj.org/article/5845e476b32449d1a9276041bb5afdd7
Autor:
João Ricardo Avelino Leão, Andréa Raposo, Ana Claudia Lopes da Silva, Paulo de Tarso Barbosa Sampaio
Publikováno v:
Pesquisa Agropecuária Tropical, Vol 50, p e63541 (2020)
The Amazonian bamboo forests are located in an important region of high biodiversity in Brazil, Peru and Bolivia, forming the largest native bamboo forest reserve in the world. However, the bamboos from these forests have characteristics that hinder
Externí odkaz:
https://doaj.org/article/6689a8e0a10b4ee08487810bc921fb16
Autor:
Murilo Rezende MACHADO, Rodrigo CAMARA, Paulo de Tarso Barbosa SAMPAIO, João Baptista Silva FERRAZ, Marcos Gervasio PEREIRA
Publikováno v:
Acta Amazonica, Vol 48, Iss 1, Pp 10-17 (2018)
ABSTRACT Planting of forest species of timber interest helps to reduce the deforestation pressure on the Amazon forest, promotes sustainable development of the producing region and generates ecological benefits. The objective of this work was to eval
Externí odkaz:
https://doaj.org/article/852c7e4deba9479eb3dd6a1c4b9523bc
Autor:
Alexsandro ZIDKO, Luiz Antônio RODRIGUES, Cláudia Barbieri Ferreira MENDONÇA, Maria Lucia ABSY, Marcos Gonçalves FERREIRA, Paulo de Tarso Barbosa SAMPAIO, Vania ESTEVES
Publikováno v:
Acta Amazonica, Vol 46, Iss 3, Pp 333-336 (2016)
Abstract The crabwood (Carapa) represents an important source of natural resources. The objective of this work was to study the pollen morphology of the three species of Carapa (Meliaceae) registered in the Brazilian Amazon. The pollen grains were ob
Externí odkaz:
https://doaj.org/article/28aa407236a54693b2685498cb3697b6
Autor:
Murilo Rezende Machado, Paulo de Tarso Barbosa Sampaio, João Ferraz, Rodrigo Camara, Marcos Gervasio Pereira
Publikováno v:
Acta Scientiarum: Agronomy, Vol 38, Iss 1, Pp 93-101 (2016)
Internal retranslocation is an important mechanism for nutrient conservation in plants, which depends on different factors. However, there are little data about this subject, especially on tropical forest species. This study aimed to evaluate the mac
Externí odkaz:
https://doaj.org/article/56c286d144144492ba37cc47e13346b3
Autor:
Murilo Rezende Machado, Rodrigo Camara, Paulo de Tarso Barbosa Sampaio, Marcos Gervasio Pereira, João Baptista Silva Ferraz
Publikováno v:
Acta Scientiarum: Agronomy, Vol 39, Iss 3 (2017)
Forest plantations may minimize the effects of deforestation in the Amazon. However, there are differences among species in terms of their influences on soil recovery. The effects of monospecific plantations of Acacia mangium, Dipteryx odorata, Jacar
Externí odkaz:
https://doaj.org/article/7d181f5e4c6349a99279ba439fd50142
Autor:
Adriana Pellegrini Manhães, Valdir Florêncio da Veiga-Júnior, Larissa Silveira Moreira Wiedemann, Karenn Silveira Fernandes, Paulo de Tarso Barbosa Sampaio
Publikováno v:
Acta Amazonica, Vol 42, Iss 3, Pp 355-362 (2012)
Aniba canelilla (H.B.K.) Mez. is a tree species from Amazon that produces essential oil. The oil extraction from its leaves and stems can be an alternative way to avoid the tree cutting for production of essential oil. The aim of this study was to an
Externí odkaz:
https://doaj.org/article/dfc7cb22f8fc4476a2121286b9cd5912
Autor:
Paulo de Tarso Barbosa Sampaio, Jhansem Antonio Silva de Siqueira, Suely Costa, Flavio Mauro Souza Bruno
Publikováno v:
Acta Amazonica, Vol 40, Iss 4, Pp 687-692 (2010)
Este trabalho teve como objetivo o enraizamento de miniestacas de material juvenil da preciosa (Aniba canelilla (H.B.K) Mez), tratadas com diferentes concentrações de ácido indol-3-butirico (AIB) na forma líquida. As miniestacas foram obtidas de
Externí odkaz:
https://doaj.org/article/606dd3c5cbf244329aaec95f4c38d691
Publikováno v:
Acta Amazonica, Vol 40, Iss 4, Pp 693-698 (2010)
Los estudios de requerimientos nutricionales son de gran importancia para identificar aquellos más importantes en el desarrollo fisiológico y crecimiento de plántulas. Con el objetivo de evaluar las exigencias nutricionales y los efectos de la omi
Externí odkaz:
https://doaj.org/article/3a45ec8a90d64d0da190a6bb2ab4d06f