Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Robert O Lawton"'
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:
Richard K. LaVal, Robert O. Lawton
Publikováno v:
Neotropical Biodiversity, Vol 7, Iss 1, Pp 476-490 (2021)
We investigated the role of environmental and temporal variables on the activity of 20 species of aerial insectivorous bats at a site in tropical premontane forest in Monteverde, Costa Rica. The primary study site was an opening in secondary forest a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3fb3a9c930b813a6040676490c7d3c56
Autor:
Robert O. Lawton, Robert M. Lawton
Publikováno v:
Plant Ecology. 210:125-135
Didymopanax pittieri is a common shade-intolerant tree colonizing treefall gaps in the elfin forests on windswept ridgecrests in the lower montane rain forests of the Cordillera de Tilarain, Costa Rica. All D. pittieri taller than > 0.5 m in a 5.2-ha
Autor:
Salvi Asefi, Thomas L. Sever, Robert O. Lawton, Deepak K. Ray, Ronald M. Welch, Daniel Irwin, J. Alan Pounds, Vani Starry Manoharan, Udaysankar S. Nair, Mark Mulligan
Publikováno v:
Journal of Applied Meteorology and Climatology. 47:2183-2197
This study details two unique methods to quantify cloud-immersion statistics for tropical montane cloud forests (TMCFs). The first technique uses a new algorithm for determining cloud-base height using Moderate Resolution Imaging Spectroradiometer (M
Publikováno v:
Chemistry & Biodiversity. 5:1327-1334
To examine the chemical diversity of essential oils from Myrcianthes species (Myrtaceae) as well as potential chemotaxonomic relationships between them, the leaf essential oils of M. fragrans (Sw.) McVaugh, M. rhopaloides (Kunth) McVaugh, and an unde
Autor:
Qingyuan Han, Ronald M. Welch, Vani Starry Manoharan, Salvi Asefi, Deepak K. Ray, Robert O. Lawton, Udaysankar S. Nair, Jian Zeng
Publikováno v:
Journal of Applied Meteorology and Climatology. 47:960-975
Cloud-base heights over tropical montane cloud forests are determined using Moderate Resolution Imaging Spectroradiometer (MODIS) cloud products and National Centers for Environmental Prediction global tropospheric final analysis (FNL) fields. Cloud-
Publikováno v:
Global and Planetary Change. 54:150-162
The proposed Mesoamerican Biological Corridor (MBC) is an ambitious effort to stem the erosion of biodiversity in one of the world's biologically richest regions. The intent is to connect large existing parks and reserves with new protected areas by
Publikováno v:
Molecular Diversity. 9:3-13
The leaf essential oils from five species of Zanthoxylum (Rutaceae) from Monteverde, Costa Rica, have been obtained by hydrodistillation and analyzed by gas chromatography-mass spectrometry. The species examined include Z. fagara, Z. acuminatum, Z. m
Publikováno v:
Flavour and Fragrance Journal. 21:244-246
The floral essential oil of Randia matudae Lorence & Dwyer (Rubiaceae) from Monteverde, Costa Rica, was isolated by hydrodistillation in a yield of 0.0243%. The chemical composition of the floral oil was determined by GC–MS. The most abundant essen
Publikováno v:
Ecology. 77:1271-1276
Rhus radicans, a root-climbing liana, is not distributed randomly among potential host tree species in an old-growth mixed mesophytic forest on the southern Cum- berland Plateau of north Alabama, USA. Vines are more abundant than expected on Carya ov