Sara Fraixedas

Sara Fraixedas
University of Helsinki | HY · Faculty of Biological and Environmental Sciences

D.Phil.

About

18
Publications
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213
Citations
Introduction
Sara Fraixedas currently works at the Research Centre for Ecological Change (REC). Sara does research in Ecology and Conservation. Her research revolves around the development and implementation of biodiversity indicators.
Additional affiliations
January 2013 - June 2017
University of Helsinki
Position
  • PhD Student

Publications

Publications (18)
Article
Northern European peatlands are important habitats for biological conservation because they support rich biodiversity and unique species compositions. However, historical management of peatland habitats has had negative consequences for biodiversity and their degradation remains a major conservation concern. Despite increasing awareness of the cons...
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Climate change may affect bird populations both directly by changing the weather conditions , and indirectly through changes in the food chain. While both theoretical and empirical studies have shown climate change having drastic impacts on polar areas, its consequences on Arctic bird species are still poorly known. Here we investigated how weather...
Article
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In Finland, modern forestry has caused the gross modification of native forest habitats and a loss of biological diversity due to intensive management regimes. Although less than 1% of the old-growth forest area remains in southern Finland, the effects of forestry on bird population long-term trends have not been comprehensively studied in this are...
Article
Few studies have covered both the effects of climate and land-use change on animal populations under a single framework. Besides, the scarce multi-species studies conducted have focused on breeding data, and there is little information published on changes in wintering populations. Here, we relate the pattern of long-term temporal trends of winteri...
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The Great Green Macaw Ara ambiguus is an endangered species whose most important food resource and nesting site in Costa Rica is the mountain almond tree Dipteryx panamensis, threatened mainly by deforestation. In this study, we analyse the suitability of reintroducing A. ambiguus in the South Caribbean Coast of Costa Rica by examining whether the...
Article
The fast and widespread environmental changes that have intensified in the last decades are bringing disproportionate impacts to Indigenous Peoples and Local Communities. Changes that affect water resources are particularly relevant for subsistence-based peoples, many of whom already suffer from constraints regarding reliable access to safe water....
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The current loss of biodiversity has been broadly acknowledged as the main cause of ecosystem change. To halt this trend, several international agreements have been made, and various biodiversity metrics have been developed to evaluate whether the targets of these agreements are being met. The process of developing good indicators is not trivial. I...
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Abstract There is growing evidence that wildlife‐based tourism can be a valuable pathway to transform the environmental knowledge, attitudes and behaviours of tourists, if complemented by effective conservation messaging and proactive interpretive experiences. Yet, such conservation messaging is not always a priority for many wildlife‐based tourism...
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Mediterranean European rice fields provide important habitats for migrating waterbirds. In winter, one waterbird species that particularly benefits from rice fields is the Northern Lapwing (Vanellus vanellus), a species threatened in Europe. To assess the effect of agri-environmental measures on rice field selection and use by wintering lapwings, b...
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The Common Crane (Grus grus) population has experienced an unprecedented increase across Europe during the last decades. Although cranes feed mostly on invertebrates, amphibians and berries during the breeding season, they can also eat eggs and young of other birds. Therefore, conservationists have raised concerns about the potential predatory effe...
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Mediterranean wetlands are critical strongholds for biodiversity and the provision of ecosystem functions and services; yet, they are being severely degraded by a number of socio-economic drivers and pressures, including climate change. Moreover, we still lack comprehensive understanding of the extent to which biodiversity loss in Mediterranean wet...
Thesis
Full-text available
The combined effects of climate and land-use change constitute a major threat to global biodiversity. Accurate tools to track changes in biodiversity have been largely called upon in order to address global conservation targets. In response to this, a range of ecological indicators have been developed to measure the state of biodiversity in a chang...
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The magnitude and complexity of the current erosion of plant biodiversity call for the development of interdisciplinary tools that enable an early detection of its effects and the establishment of effective management strategies. Indeed, plant sciences face the complex task of identifying the ecological information needed for the conservation chall...
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The coalescing of development and conservation has recently given rise to community-based conservation. Under this framework, sustainable livelihood strategies are incorporated into conservation goals on the basis that the integration of local priorities into management guidelines benefits rather than impedes conservation efforts. Consistent with t...
Thesis
Full-text available
El objetivo principal de este proyecto es el análisis de viabilidad de la reintroducción de la lapa verde (Ara ambiguus), en el Caribe Sur, Costa Rica. La lapa verde es una especie de guacamayo en peligro de extinción que muestra una relación de dependencia directa con el almendro de montaña (Dipteryx panamensis), especie también amenazada.

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Projects

Projects (2)
Project
Based on a comprehensive database gathered in two different seasons between 2016 and 2017, this study is the first to examine basic aspects of the ecology of birds within Sibiloi National Park, northern Kenya. We study the effect of seasonality, habitat preferences and species traits on bird species abundances.
Project
Populations of partial migrants are composed of a mixture of resident and migratory individuals. The proportion of both strategies may be altered in response to global warming. Milder winters may enhance survival of residents and consequently reduce the propensity of the population to migrate. To explore this potential adaptation, we study long-term changes in the population of a partial migrant, the Cetti’s warbler (Cettia cetti).