Results 71 to 80 of about 868 (159)

Analysis of the irrigated crop flora from the South West of Castilla y León

open access: yesAnales del Jardín Botánico de Madrid, 2000
A study of the flora of irrigated crops in two Spanish provinces (Salamanca and Zamora, SW Castilla y León) has been carried out. After careful analysis of a catalogue comprising more than 344 taxa, we have found that 237 of them (68,9 %) belong to 8 ...
Juan Manuel Velasco Sánchez   +1 more
doaj   +1 more source

Spatial pattern analysis and demography of two tropical trees in the Brazilian Caatinga

open access: yesPesquisa Florestal Brasileira, 2014
Aspidosperma pyrifolium (Apocynaceae) and Caesalpinia pyramidalis (Fabaceae) share the same habitat in the Brazilian Caatinga domain. In this paper, we investigate the intra and inter-species interactions between these two plants using spatial pattern ...
Maira Fontes Manzan   +2 more
doaj   +1 more source

Hiding in plain sight: Reinvasion risk from retained seed after dispersal events in introduced conifers

open access: yesTrees, Forests and People
Non-native conifers are the most successful tree-weeds in the Southern Hemisphere, reproducing annually through seed-bearing cones. Rather than shedding cones, some conifer species retain cones on the tree indefinitely (e.g.
Thomas F. Carlin   +5 more
doaj   +1 more source

Mecanismos de dispersion de diasporas de una selva decidua en Venezuela

open access: yes, 1984
The predommant life-forms in a deciduous forest of northem Venezuela are found to be phanerophytes, lianas and chamaephytes. The dispersal mechanisms in this forest are anemochory (42%), zoochory (30%), barochory (19%), and autochory (9%).
Wikander, T
core  

Floristic analysis and dispersal syndromes of woody species of the Serra de Maracaju, Mato Grosso do Sul, Brazil

open access: yesBrazilian Journal of Biology
This paper presents a floristic survey of the wood component of cerrado s.s. (eastern face) and gallery forest (western face) areas carried out in the southern part of the Serra de Maracaju. The dispersal syndromes and floristic relations of this portion
WM. Ramos, ALB. Sartori
doaj   +1 more source

On the reproductive ecology of Premna latifolia L. and Premna tomentosa Willd. (Lamiaceae)

open access: yesJournal of Threatened Taxa, 2018
Premna latifolia and Premna tomentosa shed their foliage during winter but produce foliage at different periods to avoid competition for nutrients, P. latifolia during the dry season while P. tomentosa during the wet season.
B. Dileepu Kumar   +2 more
doaj   +1 more source

Disperzní chování hálčivce kmínového (Aceria carvi Nal.)

open access: yes, 2006
The aim of our work was to study dispersal of Aceria carvi from infested caraway fields. The obtained results confirmed anemochory and revealed that number of migrating mites increases with ripping of ...
Reindl, František
core  

Dispersal syndromes in the largest protection area of the Atlantic Forest in the state of Paraiba, Brazil [PDF]

open access: yesBiotemas, 2013
The diaspore dispersal process is crucial for plant reproduction, since the diaspores must reach a suitable site to germinate. This paper aimed to study morphological aspects of diaspores and determine the dispersal syndromes of species occurring in the ...
Camila Ângelo Jerônimo Domingues   +2 more
doaj  

Plant dispersal strategies in post-mining restoration areas in the Eastern Amazon [PDF]

open access: yesActa Botânica Brasílica
Mining activities in the Amazon result in significant environmental damage to mined areas. Natural regeneration through seed dispersal is a crucial process that aims to reintegrate those mined areas into the native vegetation nearby.
Fabiane Barral Sampaio   +5 more
doaj   +2 more sources

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