Lurdes Borges Silva

Lurdes Borges Silva
University of the Azores | UAc · Research Center in Biodiversity and Genetic Resources (CIBIO)

PhD
Postdoctoral researcher

About

41
Publications
5,970
Reads
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107
Citations
Citations since 2016
35 Research Items
105 Citations
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201620172018201920202021202205101520
Introduction
Lurdes Borges Silva currently works at the Cibio-Inbio, University of the Azores. Lurdes does research in a Project,Towards an Ecological and Economic valorization of the Azorean Forest: Forest-Eco2.
Additional affiliations
September 2009 - May 2012
University of the Azores
Position
  • Master's Student

Publications

Publications (41)
Conference Paper
Full-text available
Lagoa do Canário is one of the most picturesque places in São Miguel Island (Azores, Portugal). Nevertheless, bryologists have not recorded much around its area, and it is suspected that the bryophyte inventory is incomplete. In this study, we present the list of bryophyte species historically gathered around Lagoa do Canário, as well as a field ac...
Conference Paper
Full-text available
The potential of biomass for energy production has been widely studied, and recently gained new impetus with the attention now devoted to renewable energies. In Graciosa Island, Azores, there is a ongoing project from Younicos AG together with the Azorean Government and the energy supplier, EDA, with the goal to achieve 65% of renewable energy supp...
Article
Full-text available
Premise of the study: Plants endemic to oceanic archipelagos are suitable for studying evolution, being isolated on substrates of different ages. Evolution has been recent, rendering traditionally-employed sequences insufficiently variable for resolving relationships. This study includes sampling in the genus Tolpis (Asteraceae) from the Azores, M...
Article
Full-text available
Assessment of forest ecosystems and their services is seen as a key action for the advancement of biodiversity objectives, and to inform the development and implementation of related policies and planning. The Azorean forest is important for timber production, the protection of soil and water resources, and for its recreational and aesthetic value....
Article
Full-text available
Tourists have become increasingly interested in certain aspects of their destination, including landscape and biodiversity elements, thereby promoting the development of nature-based tourism. The Azores are considered a sustainable tourism destination, with various natural attractions, including hiking trails. Based on the hypothesis that natural v...
Article
Tree-ring inter-annual pattern variation is crucial in dendrochronology, allowing the identification of possible limiting factors on growth. Thus, trees exposed to subtropical or tropical climates without a marked seasonality may show a low degree of interannual variation, impeding a straightforward dendroclimatological approach. Meanwhile, subtrop...
Preprint
Full-text available
Assessment of forest ecosystems and their services is seen as a key action for the advancement of biodiversity objectives, and to inform the development and implementation of related policies and planning. We assessed biodiversity, structure and carbon stocks in a gradient of three forest types (Natural Forest-NF; Exotic Woodland-EW and Production...
Conference Paper
Tree-ring interannual pattern variation is crucial in dendrochronology, allowing the identification of possible limiting factors on growth. Thus, trees exposed to sub-tropical or tropical climates without a marked seasonality, may show a low degree of interannual variation, impeding a straightforward dendroclimatological approach. Meanwhile, subtro...
Article
Full-text available
Genome-wide genotyping and Bayesian inference method (BORICE) were employed to estimate outcrossing rates and paternity in two small plant populations of Tolpis succulenta (Asteraceae) on Graciosa island in the Azores. These two known extant populations of T. succulenta on Graciosa have recently evolved self-compatibility. Despite the expectation t...
Conference Paper
Full-text available
Forests provide a broad range of ecosystem services, but their contribution is not homogeneous. Due to land changes associated with anthropogenic activity, primordial forests have been replaced by production and secondary forest, often constituted by exotic woodland, particularly in islands. This research addresses ecological and economic valorisat...
Presentation
Nature-based tourism is the new paradigm of nature destinations, thus tourists are increasingly interested in peculiar aspects related with local landscape and biodiversity. The Azores are considered a sustainable nature destination, with several tourist attractions including hiking trails. To test the hypothesis that natural vegetation/forest may...
Presentation
Full-text available
Baker's law posits that self-compatible (SC) plant colonizers of oceanic islands should be more frequent than self-incompatible (SI) colonists because sexually-reproducing populations can originate from a single SC colonizer whereas two or more SI compatible mates are necessary. SC is over represented in insular Asteraceae compared to mainland memb...
Article
Full-text available
As in many archipelagos, the Azorean primary forest was largely cleared and replaced by secondary forest and grassland, the Azorean tree Laurus azorica (Seub.) Franco being one of the dominant trees in the remaining natural forests. Dendrochronological and dendrometric studies in the Azores mainly focused on non-indigenous trees, either used for ti...
Poster
Globally, island forests have suffered considerable anthropogenic change, and the respective scientific knowledge is still heterogeneous. This is evident in the Azores, where only about 10% of the native forest remains, production forest is largely dominated by one species, and invasive woodland has spread. Dendrochronology is the basis of a better...
Article
Full-text available
Asteraceae have the most endemic species of any flowering plant family in oceanic archipelagos, and these insular endemics display a higher frequency of self-compatibility (SC) compared to mainland composites. However, little attention has focused on the evolution of selfing in situ in islands. The genus Tolpis (Asteraceae) in the Macaronesian arch...
Chapter
Full-text available
As plantas exóticas, introduzidas acidental ou propositadamente pelas atividades humanas, são uma importante componente da flora terrestre em Portugal. Na região Autonoma dos Açores um terço das manchas florestais é dominado por Pittosporum undulatum, ameaçando os ecossistemas naturais, nomeadamente a vegetação nativa. Têm sido realizados um conjun...
Article
As one cause for biodiversity loss, invasive alien species are a worldwide threat. However, exotic woodland can also have an enormous biomass potential. The goal of this study was to evaluate the available aboveground biomass (AGB, including trunk, branches and foliage) of the widespread woody plant invader Pittosporum undulatum in the exotic woodl...
Poster
Full-text available
Natural areas located outside protected areas can provide important refugees for biodiversity conservation, as well as important ecosystem and biodiversity services. In the Azores, about 23% of the land territory is protected, but there are still many natural areas that lack protection status. In this research, we tested this hypothesis by analysin...
Conference Paper
The use of biomass for energy production has shown a growing interest in recent years. Pittosporum undulatum is a widespread invasive tree in the Azores archipelago with a considerable potential as an energy resource. Sustainable use of forest resources demands accurate and precise estimation of standing biomass but for the Azores only a few studie...
Article
Pittosporum undulatum Ventenat (Pittosporaceae) is an invasive tree of forests and woodlands in several regions of the world. In the Azores archipelago it occupies about 30% of the forested areas and efforts to valorize its biomass are underway. Implementing sustainable forest management requires basic information on tree age and growth rate, yet t...
Article
Full-text available
Tree density is an important parameter affecting ecosystems functions and management decisions, while tree distribution patterns affect sampling design. Pittosporum undulatum stands in the Azores are being targeted with a biomass valorization program, for which efficient tree density estimators are required. We compared í T-Square sampling, Point C...
Article
Full-text available
The pollen fertility of F1 hybrids, ranging from progeny within natural populations to synthetic hybrids between species of Tolpis from three archipelagos in Macaronesia, was determined. Pollen fertility of F1 hybrids of inter-archipelago crosses from the Azores, Canaries, and Madeira were generally lower than crosses between populations or species...
Article
Full-text available
The recently evolved genus Tolpis Adans. has its major center of diversity located in Macaronesia. Although recent advances have been made to understand the relationships of Tolpis species within Macaronesia, little is still known about the genetic patterns and genetic diversity of the Azorean and Madeiran Tolpis populations. To achieve this, a set...
Conference Paper
Knowledge of the Azores flora has historically relied on the study of collections obtained during sporadic and brief visits conducted by collectors and naturalists coming from abroad. However, the far oceanic location of the Azores made it more inaccessible to these early studies than other Atlantic archipelagos, such as the Canary Islands and Made...
Poster
This research evaluates the potential of tree age determination methods and standing biomass models in management of forest resources, particularly in those areas dominated by exotic woodland. The study aims to evaluate the possibility of modelling Pittosporum undulatum tree age based on ring analysis and on dendrometric traits; modelling P. undula...
Article
Full-text available
Plants on oceanic islands often originate from self-compatible (SC) colonizers capable of seed set by self-fertilization. This fact is supported by empirical studies, and is rooted in the hypothesis that one (or few) individuals could find a sexual population, whereas two or more would be required if the colonizers were self-incompatible (SI). Howe...
Conference Paper
This poster is related with the identification and evaluation of endemic, native and introduced vascular flora of Lombo Gordo. Therefore we tried to update the knowlwdge of the distribution of the variety of species found. The Lombo Gordo is a coastal area of ecological interest due to the diversity of biotopes encountered and the possibility of ob...

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Projects

Projects (3)
Archived project
The development of species distribution models incorporating dendroclimatic information. This will be accomplished through the validation of (i) dendroclimatic models; (ii) species distribution models; and (iii) a synthetic modeling approach that will be the basis for the development of a habitat suitability index, based both on occurrence and radial growth data.
Project
Azorean forest ecosystem services economic value based on direct and indirect revenue and ecological benefits is assessed . Identification of ecosystem service bundles , synergies among forest services and possible trade-offs among stakeholders from a demand perspective is the first deliverable. The second deliverable is a deliberative valuation of the forest ecosystem services and the drivers of demand change for the ES bundles identified