Results 91 to 100 of about 7,691 (260)

Arboreous vegetation of an alluvial riparian forest and their soil relations: Porto Rico island, Paraná river, Brazil

open access: yesBrazilian Archives of Biology and Technology, 2002
The dynamics of alluvial deposits in floodplains forms islands and sandbanks. Deposits frequently accumulate at the river margins and on islands with consequent side growths.
João Batista Campos   +1 more
doaj   +1 more source

A phytosociological method for interpreting plankton data

open access: yesMarine Ecology Progress Series, 1993
Multivariate techniques allow data sets to be summarised, but are not deslgned to causally model ecological phenomena. The ambiguity of the interpretation results from the ambiguity of the scaling space. The phytosociological method proposed by Grandjouan (1982; These d'etat, Universite Louis Pasteur, Strasbourg) is a general interpretive framework ...
Fromentin, Jean-marc   +2 more
openaire   +3 more sources

Casual study of Lysenkoism in Polish botany [PDF]

open access: yes, 2010
The way of implementation of Lysenkoist "new biology" into Polish botany is analysed. The reason for abandoning Soviet Lysenkoism by Polish botanists and returning to the traditional Western science are ...
Köhler, Piotr
core  

Lysenko affair and Polish botany [PDF]

open access: yes, 2011
This article describes the slight impact of Lysenkoism upon Polish botany. I begin with an account of the development of plant genetics in Poland, as well as the attitude of scientists and the Polish intelligentsia toward Marxist philosophy prior to the ...
Köhler, Piotr
core   +1 more source

Spatial variation in the structure and composition of the herbaceous community in a semiarid region of northeastern Brazil Variação espacial na estrutura da comunidade herbácea em uma região semiárida do Nordeste do Brasil

open access: yesBrazilian Journal of Biology, 2013
In the arid and semiarid environments of the world, microhabitats serve as models for the structure of vegetation communities. The goal of this study was to identify differences in the structures of the herbaceous communities growing on a crystalline ...
KA. Silva   +4 more
doaj  

Fitossociologia do estrato arbóreo em uma toposeqüência alternada de mata atlântica, no munícipio de Silva Jardim-RJ,Brasil Phytosociology of the wood stratum of a modified atlantic forest toposequence in Silva Jardim-RJ, Brazil

open access: yesRevista Árvore, 2002
Este estudo foi realizado em um fragmento de Floresta Atlântica pertencente à fazenda Biovert, no município de Silva Jardim, Rio de Janeiro. Teve como objetivos a caracterização da vegetação e a análise da estrutura da comunidade arbórea que ocorre ao ...
Rosângela Alves Tristão Borém   +1 more
doaj   +1 more source

Phytobase: a tool for the integrated synusial approach of vegetation classification at regional to national scale

open access: yes, 2015
International audiencePhytobase is a relational database management system devoted to the management of vegetation survey data, following the concepts of the integrated synusial phytosociology.
Gillet, François
core   +1 more source

The phytosociology of calcareous grasslands in the British Isles. [PDF]

open access: yes, 1968
The thesis attempts a broad overall survey and classification according to the Zurich-Montpellier system ofplant sociology, of limestone grassland vegetation in the British Isles The classification is based on some 535 grassland Aufnahmen and 75 ...
Shimwell, David William
core   +1 more source

Community structure and comparative analysis of the woody component of a cerrado remnant in Southeastern Brazil

open access: yesHoehnea
The aims of the present work were to carry out a floristic-structural study of the shrubby-arboreal component of a savanna fragment (cerrado sensu stricto) in São Paulo State, Southeastern Brazil, and to compare with other areas.
Katia Losano Ishara   +1 more
doaj   +1 more source

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