Brazilian Páramos I. An introduction to the physical environment and vegetation of the campos de altitude

H DeForest Safford - Journal of Biogeography, 1999 - Wiley Online Library
Aim The campos de altitude are a series of cool‐humid, grass‐dominated formations
restricted to the highest summits of the southeastern Brazilian Highlands. Relatively little is …

[图书][B] Frost survival of plants: responses and adaptation to freezing stress

A Sakai, W Larcher - 2012 - books.google.com
Low temperature represents, together with drought and salt stress, one of the most important
environmental constraints limiting the pro ductivity and the distribution of plants on the Earth …

The growth form composition of plant communities in the Ecuadorian páramos

PM Ramsay, ERB Oxley - Plant Ecology, 1997 - Springer
A growth form classification for the plants of the Ecuadorian páramos is proposed, consisting
of ten forms: stem rosettes, basal rosettes, tussocks, acaulescent rosettes, cushions and …

Ectomycorrhizal fungi introduced with exotic pine plantations induce soil carbon depletion

IH Chapela, LJ Osher, TR Horton, MR Henn - Soil Biology and …, 2001 - Elsevier
Exotic pine plantations are promoted for their presumed capacity to provide a net sink of
atmospheric C. Millions of hectares worldwide will be subjected to conversion into …

The effects of grazing and burning on soil and plant nutrient concentrations in Colombian páramo grasslands

RGM Hofstede - Plant and Soil, 1995 - Springer
The impact of extensive livestock farming on the physical and chemical characteristics of the
volcanic soils and on the nutrient status of green plant tissues of neotropical alpine …

[图书][B] A checklist of the mosses of the tropical Andean countries

SP Churchill, D Griffin, J Muñoz - 2000 - books.google.com
La diversidad muscinal en los países andinotropicales (Venezuela, Colombia, Ecuador,
Perú y Bolivia) se estima en 76 familias, 362 géneros y 2089 táxones a nivel específico e …

Fire temperatures and postfire plant community dynamics in Ecuadorian grass páramo

PM Ramsay, ERB Oxley - Vegetatio, 1996 - Springer
Three aspects of the páramo vegetation's response to fires were investigated: the
measurement of fire temperatures, general observations of changes in plant communities …

Brazilian Páramos II. Macro‐ and mesoclimate of the campos de altitude and affinities with high mountain climates of the tropical Andes and Costa Rica

H DeForest Safford - Journal of Biogeography, 1999 - Wiley Online Library
Aim This paper presents a basic analysis of the macro‐and mesoclimate of the Brazilian
campos de altitude, a series of cool–humid, mountaintop grasslands in southeastern Brazil …

Angiosperm flora and biogeography of the páramo region of Colombia, Northern Andes

C Londono, A Cleef, S Madriñán - Flora-Morphology, Distribution …, 2014 - Elsevier
Páramo is the neotropical high elevation ecosystem in the northern Andes and Central
America consisting of multiple dissected open areas above 3000 m asl Complex …

[PDF][PDF] The tropical Andean bee fauna (Insecta: Hymenoptera: Apoidea), with examples from Colombia

VH Gonzalez, MS Engel - Entomologische Abhandlungen, 2004 - researchgate.net
Using reports from the literature and data from collections, we provide the first checklist of
the tropical Andean bee species found above 2500 m, with a particular emphasis on those …