Results 31 to 40 of about 12,551 (200)

Identification of potential insect vectors of the Cape Saint Paul Wilt Disease of coconut in Ghana by PCR [PDF]

open access: yes, 2009
The vector of the phytoplasma responsible for the coconut lethal yellowing disease in West Africa is unknown to date. However, it is known that phytoplasmas are transmitted by leafhoppers and planthoppers, which are supposed to be the only ones able to ...
Descamps, Sophie   +7 more
core   +1 more source

Floristic-structural relationships between Canga ferruginous tree communities and adjacent vegetation types

open access: yesActa Scientiarum: Biological Sciences, 2018
Our objective was to evaluate the floristic and structural relationships between Canga tree communities and other vegetation types inserted in the physiognomic units set, in order to test the hypothesis that these communities have unique characteristics ...
Cléber Rodrigo de Souza   +8 more
doaj   +1 more source

Diversity and Impacts of Mining on the Non-Volant Small Mammal Communities of Two Vegetation Types in the Brazilian Amazon. [PDF]

open access: yesPLoS ONE, 2016
The Carajás National Forest contains some of the largest iron ore deposits in the world. The majority of the minerals are found below a plant community known as Savana Metalófila, or "Canga", which represents only 3% of the landscape within the Carajás ...
Natália Carneiro Ardente   +6 more
doaj   +1 more source

Imágenes y valores en la campaña publicitaria de "Autocontrol" [PDF]

open access: yes, 2013
In this paper we try to analyse a TV spot that has been spreading in different TV stations for several years in order to promote the Autocontrol activities: A Partnership for Self-Regulation of Commercial Communication.
Canga Sosa, Manuel
core   +2 more sources

Alberto Lista’s El Espectador sevillano (1809): an example of revolutionary discourse? [PDF]

open access: yes, 2011
El Espectador sevillano, redactado por Alberto Lista, se publicó en Sevilla del 2 de octubre de 1809 al 29 de enero de 1810. Aunque se trata de uno de los periódicos más importantes del momento, se le ha estudiado poco.
Morange, Claude
core   +3 more sources

Plant Biodiversity Drivers in Brazilian Campos Rupestres: Insights from Phylogenetic Structure

open access: yesFrontiers in Plant Science, 2017
Old, climate-buffered infertile landscapes (Ocbils) have attracted increasing levels of interest in recent years because of their exceptionally diverse plant communities.
Daniela C. Zappi   +4 more
doaj   +1 more source

Natural history of the narrow endemics Ipomoea cavalcantei and I. marabaensis from Amazon Canga savannahs

open access: yesScientific Reports, 2017
Amazon comprises a vast variety of ecosystems, including savannah-like Canga barrens that evolved on iron-lateritic rock plateaus of the Carajás Mountain range.
Elena Babiychuk   +11 more
doaj   +1 more source

Microclimate drives demographic compensation in a narrow endemic tropical species

open access: yesNew Phytologist, EarlyView.
Summary Demographic compensation occurs when reductions in some vital rates are offset by increases in others, allowing populations to maintain similar performance across varying environments. This mechanism may help explain species' ecological distributions and range limits, yet its role at microenvironmental scales remains poorly understood.
Talita Zupo   +10 more
wiley   +1 more source

Dois joões e o carro de bois: intervenção arquitetônica na paisagem cultural do Sertão Brasileiro [PDF]

open access: yes, 2016
O artigo é uma breve apresentação do projeto arquitetônico da Casa da Cultura do Sertão, uma intervenção em patrimônio histórico que partiu de uma pesquisa sobre cultura imaterial do sertão brasileiro, na região do Alto do Rio São Francisco, no Estado ...
Jorge, Luís Antônio
core   +2 more sources

Limited contribution by non‐volant small mammals to regeneration in ironstone rocky outcrops

open access: yesRestoration Ecology, EarlyView.
Abstract Introduction Animal‐mediated seed dispersal contributes substantially to natural regeneration in degraded areas. However, the role of seed dispersal by non‐volant small mammals (NVSM), mainly marsupials and rodents, in contributing to regeneration remains underexplored, especially in mountaintop, open‐canopy ecosystems.
Maria Fernanda Regiolli Godoi   +3 more
wiley   +1 more source

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