Results 71 to 80 of about 3,719 (151)

Biogeografía numérica en Pteridología [PDF]

En el presente trabajo se realiza un profundo análisis de los objetivos y métodos de la biogeografía numérica en su aplicación a la pteridología. Se describen tanto los pasos previos (definición de OGU y ficha pteridológica) como los correspondientes al ...
García-Verdugo, José Carlos, Salvo, Ángel Enrique   +1 more
core  

Centaurea corensis Valsecchi et Filigheddu, sp. nov. (Compositae) in Sardegna [PDF]

, 1991
Centaurea corensis, a new species of Sardinia is here described. The relationships among the closely related species C. alba L. and C. deusta Ten.
Filigheddu, Rossella Speranza, Valsecchi, Francesca   +1 more
core  

Lycopodiaceae in Brazil. Conspectus of the family II. The genera Lycopodiella, Palhinhaea, and Pseudolycopodiella

Rodriguésia
This paper treats the Brazilian species of three genera of the Lycopodiaceae: Lycopodiella with four species (one endemic), Palhinhaea with six (two endemics), and Pseudolycopodiella with seven (one endemic).
Benjamin Øllgaard, Paulo G. Windisch
doaj   +1 more source

Angiosperm disjunction "Campos rupestres - restingas": a re-evaluation Disjunção de Angiospermas Campos Rupestres - Restingas: uma reavaliação

Acta Botânica Brasílica, 2007
A disjunct distribution pattern between the extrazonal formations of the campos rupestres (rocky grasslands) in the Espinhaço mountain range and the restingas (coastal strand vegetation) in Brazil has been proposed repeatedly for several flowering-plant ...
Ruy José Válka Alves, Leonora Cardin, Marcela Stuker Kropf   +2 more
doaj   +1 more source

How do distinct facets of tree diversity and community assembly respond to environmental variables in the subtropical Atlantic Forest? [PDF]

Ecol Evol, 2023
Klipel J, Bergamin RS, Cianciaruso MV, da Silva AC, Jurinitz CF, Jarenkow JA, Bordin KM, Molz M, Higuchi P, Picolotto RC, Debastiani VJ, Müller SC.   +11 more
europepmc   +1 more source

Esquema fitogeográfico de la República Argentina

Revista del Museo de La Plata
La fitogeografía es la ciencia que estudia la distribución geográfica de las plantas, sea considerando sus formas biológicas y los tipos de vegetación que constituyen, sea teniendo en cuenta su identidad taxonómica, su organizaciónen floras y las ...
Ángel Cabrera
doaj  

Classificação fitogeográfica das florestas do Alto Rio Xingu Phytogeographical classification of the Upper Xingu River forest

Acta Amazonica, 2008
Este trabalho propõe a inclusão da categoria Floresta Estacional Perenifólia no sistema oficial de classificação da vegetação brasileira, devido às particularidades florísticas e fisionômicas da floresta da borda sul-amazônica, que atinge maior amplitude
Natália Macedo Ivanauskas, Reinaldo Monteiro, Ricardo Ribeiro Rodrigues   +2 more
doaj   +1 more source

Jequitibá-branco. [PDF]

, 2017
bitstream/item/42080/1/CT0073 ...
CARVALHO, P. E. R.
core  

Protected areas network is not adequate to protect a critically endangered East Africa Chelonian: Modelling distribution of pancake tortoise, Malacochersus tornieri under current and future climates. [PDF]

PLoS One, 2021
Eustace A, Esser LF, Mremi R, Malonza PK, Mwaya RT.   +4 more
europepmc   +1 more source

Climate change will reduce suitable Caatinga dry forest habitat for endemic plants with disproportionate impacts on specialized reproductive strategies [PDF]

, 2019
Global climate change alters the dynamic of natural ecosystems and directly affects species distributions, persistence and diversity. The impacts of climate change may lead to dramatic changes in biotic interactions, such as pollination and seed ...
Cruz-Neto, Oswaldo, Lopes, Ariadna Valentina, Peres, Carlos A, Silva, Jéssica Luiza Souza E, Tabarelli, Marcelo   +4 more
core   +2 more sources