نتایج جستجو برای: geophytes

تعداد نتایج: 130  

Journal: :American journal of botany 2013
Sara Palacio C Guillermo Bueno José Azorín Melchor Maestro Daniel Gómez-García

UNLABELLED PREMISE OF THE STUDY Wild-boar soil disturbance (i.e., rooting) increases the abundance of some species of geophytes (i.e., plants with underground renewal buds) in upland meadows. However, the mechanisms that could lead to such enhanced prevalence remain unexplored. • METHODS We analyzed the effects of wild-boar disturbance on the size, nutrient (N, P, K, C, and total ash), and...

Journal: :Annals of botany 2012
Pavel Veselý Petr Bures Petr Smarda Tomás Pavlícek

BACKGROUND AND AIMS Genome size is known to affect various plant traits such as stomatal size, seed mass, and flower or shoot phenology. However, these associations are not well understood for species with very large genomes, which are laregly represented by geophytic plants. No detailed associations are known between DNA base composition and genome size or species ecology. METHODS Genome siz...

Journal: :Journal of the Faculty of Agriculture, Kyushu University 2000

Journal: :Annals of the Missouri Botanical Garden 1981

Journal: :Biological Journal of the Linnean Society 2006

2005
BRUNO HÉRAULT DANIEL THOEN

1. In Europe, intensively managed coniferous plantations rarely achieve similar nature conservation functions as deciduous woodlands. The ability to identify coniferous plantations that might be successfully converted to deciduous woodland is a key goal in forest management. The herbaceous plant community composition of mature plantations may be an accurate selection criterion for stands that a...

Journal: :Agriculture 2023

Geophytes are a very important group among ornamental plants, for which more and plant growth regulators (PGRs) being used to improve the quality, flowering intensity, vase life of flowers leaves. PGRs constitute large naturally occurring or synthetically produced organic chemical compounds. There many factors that influence efficiency PGRs, method their application plays key role in determinin...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2000
J J Neiff A S Poi De Neiff C A Patiño I Basterra De Chiozzi

The potential colonization by anchored plants (PCAP) and the potential areas for initial colonization of free floating plants were estimated during the early filling phase for the Yaciretá reservoir. In order to obtain the PCAP, the observed maximum depth of colonization of the anchored macrophytes before impoundment and the hypsographic curves were used. The species inhabiting the pre-impoundm...

2006
Zalmen Henkin Marcelo Sternberg No’am G. Seligman Imanuel Noy-Meir

Changes in species richness and productivity in a Mediterranean dwarf-shrub community were documented during 5 years following treatments intended to improve soil fertility and reduce shrub cover. Five treatments, replicated five times, were tested: (a) shrub cover reduction by selective herbicide application; (b) application of medium levels of phosphorus; (c) application of high doses of phos...

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