نتایج جستجو برای: floristic

تعداد نتایج: 2482  

2008
B. V. SNEDDON

The structure of and growth forms and habits exhibited by the New Zealand rain forest are described and compared with those of lowland tropical rain forest. Theories relating to the frequent regeneration failure of the forest dominants are outlined. The floristic affinities of the forest type are discussed and it is suggested that two main elements can be recognized-lowland tropical and montane...

2014
Fathia Abdallah Mohamed Chaieb F. Abdallah M. Chaieb

The objective of this study was to quantify the effects of protection on herbaceous species composition, total plant cover, dry matter, plant density, floristic richness and diversity. Characteristics of vegetation under continued grazing and protected area for 10 and 65 years were examined in a degraded arid environment in South Tunisia. Our results show that protection enhances significantly ...

2016
Suzana Maria Costa Tiago Domingos Mouzinho Barbosa Volker Bittrich Maria do Carmo Estanislau do Amaral

We provide and discuss a floristic survey of herbaceous and subshrubby aquatic and palustrine angiosperms of Viruá National Park (VNP). The VNP is located in the northern Amazon basin and displays phytophysiognomies distributed in a mosaic where these plants occur, as flooded forests, hydromorphic white-sand savannas, "buritizais" and waterbodies. After expeditions between February/2010 and Jan...

2015
Karma Jamtsho Kitichate Sridith

A survey was conducted from March to September 2012 along the altitudinal gradient of the Jomokungkhar trail in the Merak Himalaya of Sakteng Wildlife Sanctuary to study the floristic compositions and the patterns of alpine vegetation of Eastern Bhutan. The vegetation of the sampled plots is classified into five types of communities based on the hierarchical cluster analysis at similarity index...

2013
Neil R. Crouch Gideon F. Smith Estrela Figueiredo

The exceptional botanical wealth of southern Africa has been known internationally since the early 17th century. However, it is only during the past 25 years that a succession of regional floristic checklists has been published, culminating in one for southern Africa (Namibia, Botswana, Swaziland, Lesotho, and South Africa) (Germishuizen & Meyer, 2003) and another enhanced with primary biologic...

2012
J. B. Kirkpatrick

Eleven discernible floristic plant communities were identified in vegetatlon containing Callilris in Tasmania. rhomboidea and C. oblonga largely segregate mlo two sets of communities. These sets occupy distinctly different parts of the environmental range of Callitris in Tasmania. Callitris co-occurs with at least 14% of the Tasmanian native higher plant flora in rainforest, wet eucalypt forest...

Journal: :Anais da Academia Brasileira de Ciencias 2015
Antonio García-Fuentes Juan A Torres-Cordero Luis Ruiz-Valenzuela María Lucía Lendínez-Barriga Juan Quesada-Rincón Francisco Valle-Tendero Alberto Veloz Yolanda M León Carlos Salazar-Mendías

This paper is a floristic and phytosociological study of the dry forest communities of the Dominican Republic. A total of 69 relevés in dry forest biotopes were carried out. The samples were subsequently subjected to Detrended Correspondence Analysis for the determination and study of possible groupings. The study does not cover tree formations growing on serpentines, nor the so-called semideci...

2015
V. Ralph Clark Brian D. Schrire Nigel P. Barker

Two new species of Indigofera L. (Leguminosae) are described from the Sneeuberg Centre of Floristic Endemism on the southern Great Escarpment, Eastern and Western Cape Provinces, South Africa. Both species are localised high-altitude endemics. Indigoferamagnifica Schrire & V.R. Clark is confined to the summit plateau of the Toorberg-Koudeveldberg-Meelberg west of Graaff-Reinet, and complements ...

2009
HUI-LIN LI

THE FLORAS of Formosa and the Philippines are, in spite of the ir geographic proximity , distinctive in their general nature. The tw<? regions wereseparated by the Formosan rift (the Bashi Channel), probably in the early Tertiary, long' before their connections with other respective neighboring areas were severed. Thus the bulk of the Formosan flora was derived from China or from other floras t...

2011
D. Lewis S. Phinn K. Pfitzner

Traditional techniques to map vegetation communities are by aerial photography interpretation and intensive field sampling. Semi-automated methods, including pixel and object-based image classification, demonstrate potential to accurately map vegetation communities, however, there is a lack of comparative research. This study is a component of a broader research project that compares several te...

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