Results 21 to 30 of about 12,659 (213)

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

Exploring motivation and clil: a literature review [PDF]

open access: yes, 2018
In this article we intend to explore the history of motivation whithin the field of second foreign language learning. To this end, we will analyse in detail the three most important models: the Socio-educational Model, the Theory of Self-Determination ...
Pozo Beamud, Marta del
core   +1 more source

Mapping and quantification of ferruginous outcrop savannas in the Brazilian Amazon: A challenge for biodiversity conservation.

open access: yesPLoS ONE, 2019
The eastern Brazilian Amazon contains many isolated ferruginous savanna ecosystem patches (locally known as 'canga vegetation') located on ironstone rocky outcrops on the top of plateaus and ridges, surrounded by tropical rainforests.
Pedro Walfir M Souza-Filho   +9 more
doaj   +1 more source

Sympatric occurrence of two species of Pseudopaludicola (Anura: Leptodactylidae) and first record of Pseudopaludicola jaredi Andrade, Magalhães, Nunes-de-Almeida, Veiga-Menoncello, Santana, Garda, Loebmann, Recco-Pimentel, Giaretta & Toledo, 2016 in the state of Maranhão, northeastern Brazil [PDF]

open access: yesCheck List, 2016
Here, we document the sympatric occurrence of Pseudopaludicola canga and P. jaredi. We also provide the first record of P. jaredi in the state of Maranhão, northeastern Brazil, expanding this species’ distribution by about 610 km southwestward from Serra
Etielle Andrade   +4 more
doaj   +3 more sources

16S rRNA Gene Amplicon Sequencing Data of the Iron Quadrangle Ferruginous Caves (Brazil) Shows the Importance of Conserving This Singular and Threatened Geosystem

open access: yesDiversity, 2021
The Iron Quadrangle (IQ) is one of the main iron ore producing regions of the world. The exploitation of its reserves jeopardizes the high biological endemism associated with this region.
Camila G. C. Lemes   +16 more
doaj   +1 more source

Bioprospecting for Isoetes cangae Endophytes with Potential to Promote Plant Growth

open access: yesInternational Journal of Microbiology, 2023
Isoetes cangae is a native plant found only in a permanent pond in Serra dos Carajás in the Amazon region. Plant-associated microbial communities are recognized to be responsible for biological processes essential for the health, growth, and even adaptation of plants to environmental stresses.
Danielle Silveira Santos   +11 more
openaire   +3 more sources

The roman oven of O Redolliño (Cangas, Pontevedra)

open access: yesCuadernos de Estudios Gallegos, 2008
En este texto se muestran los resultados de la excavación de un horno cerámico de material de construcción de época romana, situado en el ayuntamiento de Cangas, descubierto durante las obras de construcción del Corredor do Morrazo. Se presentan las evidencias arqueológicas documentadas, limitándose éstas a los restos aislados del mencionado horno, así
Aboal Fernández, Roberto   +2 more
openaire   +6 more sources

ASPECTOS GENÉTICOS E MORFOLÓGICOS DAS CAVIDADES NATURAIS DA SERRA DA PIEDADE, QUADRILÁTERO FERRÍFERO/MG

open access: yesRevista Brasileira de Geomorfologia, 2013
Os estudos acadêmicos sobre cavidades naturais em formações ferríferas bandadas e canga, no Quadrilátero Ferrífero - Minas Gerais, são escassos diante do potencial espeleológico desta província mineral.
Manuela Corrêa Pereira   +2 more
doaj   +1 more source

Scanpath assessment of visible and infrared side-by-side and fused video displays [PDF]

open access: yes, 2007
Advances in fusion of multi-sensor inputs have necessitated the creation of more sophisticated fused image assessment techniques. The current work extends previous studies investigating participant accuracy in tracking individuals in a video sequence ...
Bull, DR   +7 more
core   +3 more sources

Soil-vegetation relationships on a banded ironstone 'island', Carajás Plateau, Brazilian Eastern Amazonia

open access: yesAnais da Academia Brasileira de Ciências, 2015
Vegetation and soil properties of an iron-rich canga (laterite) island on the largest outcrop of banded-iron formation in Serra de Carajás (eastern Amazonia, Brazil) were studied along a topographic gradient (738-762 m asl), and analyzed to test the ...
Jaquelina A. Nunes   +5 more
doaj   +1 more source

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