Zobrazeno 1 - 10
of 80
pro vyhledávání: '"William A. Haber"'
Publikováno v:
Ecology and Society, Vol 7, Iss 1, p 3 (2003)
The recognition that taxonomy is central to the conservation of biodiversity has reestablished the critical role of taxonomy in biology. However, many of the tools taxonomists produce for the identification and characterization of species, e.g., dich
Externí odkaz:
https://doaj.org/article/16936616260c403fbcdf289958047071
Autor:
Gnther, Fleck, William A, Haber
Based on two males from Ecuador (Sucumbíos Province), Paracordulia calcarulata sp. nov. is the second described species of the genus. This new species is compared to P. sericea (Selys, 1871). The different shape of the anal appendages easily allows
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9935d27afe152c91b5133252358d8501
https://zenodo.org/record/6417028
https://zenodo.org/record/6417028
Autor:
Mary C Setzer, Debra M Moriarity, Robert O Lawton, William N Setzer, Glenn A Gentry, William A Haber
Publikováno v:
Revista de Biología Tropical, Vol 51, Iss 3-4, Pp 647-673 (2003)
A pharmacological survey of plants from Monteverde, Costa Rica, including 165 species representing 61 families has been carried out. Crude plant extracts have been tested for in-vitro bactericidal and fungicidal activity as well as cytotoxic and anti
Externí odkaz:
https://doaj.org/article/64e82a67331c4ed2a5e4954488645e31
Autor:
William A. Haber
Telebasis rojinegra sp. nov. was recorded from ponds at La Selva Biological Station and three other sites in the Caribbean lowlands of Costa Rica. The new species appears closely related to T. boomsmae Garrison, 1994 recorded from Mexico, Belize and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6bb47f581835eafb608c13632bebc710
https://zenodo.org/record/3724279
https://zenodo.org/record/3724279
Autor:
William A. Haber
Publikováno v:
Zootaxa. 4612
El macho y la hembra de Gynacantha vargasi sp. nov. se describen de tres sitios en la vertiente caribeña de Costa Rica. La especie se distingue de sus congéneres por sus franjas torácicas laterales de color verde limón, el fémur posterior de col
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a8e7b03e5ef25e8927fbd13d514f4d2
https://doi.org/10.11646/zootaxa.4612.1.3
https://doi.org/10.11646/zootaxa.4612.1.3
Autor:
Kelly Marie, Steinberg, Samon, Shrestha, Noura S, Dosoky, Lianet, Monzote, Abel, Piñón, William A, Haber, William N, Setzer
Publikováno v:
Natural product communications. 12(1)
The bark of Ruyschiaphylladenia was collected from Monteverde, Costa Rica, and extracted with acetone. Bioactivity-directed chromatographic separation of the crude acetone bark extract of R. phylladenia led to isolation and identification of lupeol,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::f6a5dc69c493f0d4796b19f5b5971cfd
https://pubmed.ncbi.nlm.nih.gov/30549810
https://pubmed.ncbi.nlm.nih.gov/30549810
Autor:
Robert A. Raguso, Gordon W. Frankie, Steven D. Johnson, Felipe W. Amorim, Dara A. Stanley, Andrea Aristides Cocucci, William A. Haber, Marcela More
Publikováno v:
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Proboscis length has been proposed as a key dimension of plant pollination niches, but this niche space has not previously been explored at regional and global scales for any pollination system. Hawkmoths are ideal organisms for exploring pollinator
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ce2e3b499b947d2773f16ade85c03cb
Wiley Online Library
Wiley Online Library
Publikováno v:
Journal of Essential Oil Bearing Plants. 13:108-111
The leaf essential oils of Neomirandea angularis (Asteraceae), from Monteverde, Costa Rica, was isolated by hydrodistillation and analyzed by GC-MS. A total of 15 compounds were identified in the leaf oil, dominated by the sesquiterpene hydrocarbons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5c6cb332363bd495b7ecf5624cd3487
https://doi.org/10.1080/0972060x.2010.10643797
https://doi.org/10.1080/0972060x.2010.10643797
Autor:
Maria C. Palazzo, Hilary L. Wright, Brittany R. Agius, Brenda S. Wright, Debra M. Moriarity, William A. Haber, William N. Setzer
Publikováno v:
Records of Natural Products, Vol 3, Iss 3, Pp 153-160 (2009)
The leaf essential oils of six members of the Annonaceae from Monteverde, Costa Rica (Desmopsis bibracteata, Desmopsis microcarpa, Guatteria costaricensis, Guatteria diospyroides, Guatteria oliviformis, and Unonopsis costaricensis) have been obtained
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::80a1bc267d2819279eed20ed8ad67fe8