Výsledky vyhledávání - "Ruy J. V. Alves"

Akademický článek

Terpenos em cupins do gênero Nasutitermes (Isoptera, Termitidae, Nasutitermitinae)

Autor: Márcia N. S. de la Cruz, Helvécio M. dos Santos Júnior, Claudia M. Rezende, Ruy J. V. Alves, Eliana M. Cancello, Maurício M. da Rocha

Publikováno v: Química Nova, Vol 37, Iss 1, Pp 95-103 (2014)

The chemical composition of the front gland of termites has been studied for over 40 years. The genus Nasutitermes, considered the most evolved of the Termitidae family, has a peculiarity that sets it apart from the others: a caste of soldiers that c

Externí odkaz: https://doaj.org/article/fedd5b4430364ce08493236b2719596f

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Akademický článek

The eradication of feral goats and its impact on plant biodiversity - a milestone in the history of Trindade Island, Brazil

Autor: Nílber G. da Silva, Ruy J. V. Alves

Publikováno v: Rodriguésia, Vol 62, Iss 3, Pp 717-719

Abstract The recent signs of recovery of the native and endemic flora of Trindade Island, Brazil, are attributed to the eradication of vertebrates which were introduced on the 18th Century. Three centuries of devastation lead to the disappearance of

Externí odkaz: https://doaj.org/article/72b62f33d2b14a4cbe787bc1bffb03d2

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Changes in land cover and atmospheric circulation are reducing rainfall in the Brazilian Cerrado

Autor: Gabriel S. Hofmann, Rafael C. Silva, Eliseu J. Weber, Alexandre A. Barbosa, Luiz F. B. Oliveira, Ruy J. V. Alves, Heinrich Hasenack, Venisse Schossler, Francisco E. Aquino, Manoel F. Cardoso

Here we analyze the trends of rainfall and the frequency of rainy days over the Brazilian Cerrado between 1960 and 2021 in four distinct periods according to the seasonal patterns over the region. We also evaluated trends in evapotranspiration, winds

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::01cca58243c460fafe5492acb0509775
https://doi.org/10.21203/rs.3.rs-2780729/v1

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Screening of the odour-activity and bioactivity of the essential oils of leaves and flowers of Hyptis Passerina Mart. from the Brazilian Cerrado

Autor: Barbara D. Zellner, Ana Carolina L. Amorim, Ana Luisa P. de Miranda, Ruy J. V. Alves, Jussara P. Barbosa, Gisela L. da Costa, Claudia M. Rezende

Publikováno v: Journal of the Brazilian Chemical Society v.20 n.2 2009
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 20, Issue: 2, Pages: 322-332, Published: 2009

The chemical profile of the essential oils obtained from the leaves and flowers of Hyptis passerina Mart., a rare species of the Brazilian Cerrado, has been determined for the first time. Analyses by GC-MS showed sesquiterpenes as major compounds. β

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8eb8ddcbcd80d7d6304cadb14e4daa55
https://doi.org/10.1590/s0103-50532009000200018

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Sarcoglottis caudata (Orchidaceae) and Vellozia kolbekii (Velloziaceae), Two New Species from Minas Gerais, Brazil

Autor: Ruy J. V. Alves

Publikováno v: Novon. 2:299

During a vegetation survey of the Sao Jose mountain range in Minas Gerais, Brazil, the species Sarcoglottis caudata (Orchidaceae) and Vellozia kolbekii (Velloziaceae) were discovered; they are here described as new to science. Sarcoglottis caudata R.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aefe26e00d79a8830286b462a37ecf3c
https://doi.org/10.2307/3391481

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