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showing 10 items of 4869 documents
Voices heard and lessons learnt : Exploring multiple knowledges and local participation in a community-based integrated early childhood development p…
2019
Abstract Following calls for diverse and contextual perspectives of the rich lives of young children, their families and communities from/in the Global South, this paper presents critical reflections emerging from a three-year (2016-2019) communitybased Integrated Approach to Early Childhood Development (ECD) project implemented in the rural Eastern Cape Province, South Africa. It explores the critical relationship established between a range of stakeholders involved in this project as reflected on by two community activists working together in the area of early childhood in the province for thirty years. This article highlights the importance of situating any community development initiati…
Early Brain Sensitivity to Word Frequency and Lexicality During Reading Aloud and Implicit Reading
2019
The present study investigated the influence of lexical word properties on the early stages of visual word processing (<250 ms) and how the dynamics of lexical access interact with task-driven top-down processes. We compared the brain's electrical response (event-related potentials, ERPs) of 39 proficient adult readers for the effects of word frequency and word lexicality during an explicit reading task versus a visual immediate-repetition detection task where no linguistic intention is required. In general, we observed that left-lateralized processes linked to perceptual expertise for reading are task independent. Moreover, there was no hint of a word frequency effect in early ERPs, while …
The cost of equity and exchange listing evidence from the French stock market
1997
We reconsider the behaviour of prices around the period close to the listing on the Marché à Règlement Mensuel (RM). First, an event study based on a sample of 60 firms has been set up to test the existence of the exchange listing effect on the French market. Then we discuss and test the financial reasons which can justify abnormal returns around the announcement day and the day of the listing. We explore four reasons to explain the impact of the stock exchange listings: one is the informative content of the operation which induces an upward revision of the future earnings. Three other hypotheses rely on a decrease in the discount rate originated by less risky cash flows, an increase in tra…
Probabilistic Forecast for Northern New Zealand Seismic Process Based on a Forward Predictive Kernel Estimator
2011
In seismology predictive properties of the estimated intensity function are often pursued. For this purpose, we propose an estimation procedure in time, longitude, latitude and depth domains, based on the subsequent increments of likelihood obtained adding an observation one at a time. On the basis of this estimation approach a forecast of earthquakes of a given area of Northern New Zealand is provided, assuming that future earthquakes activity may be based on the smoothing of past earthquakes.
Tardigrades of Finland: new records and an annotated checklist
2020
Species checklists are powerful and important tools of communication between taxonomists and applied environmental biologists, which in turn lead to well-planned and successful conservation strategies and ecological studies. Despite this, only recently the interest on compiling systematic checklists is growing among taxonomists who study tardigrades—micrometazoans that inhabit almost every habitat worldwide. As the Finnish records of tardigrades (a.k.a. water bears) species are incomplete, outdated and no checklist has ever been compiled for this country, an easy-to-consult checklist is here reported. This checklist covers all Finnish tardigrade taxa identified in the past and in the 13 sam…
Niche segregation of coexisting Arctic charr (Salvelinus alpinus) and brown trout (Salmo trutta) constrains food web coupling in subarctic lakes
2012
SUMMARY 1. Generalist fish species are recognised as important couplers of benthic and pelagic food-web compartments in lakes. However, interspecific niche segregation and individual specialisation may limit the potential for generalistic feeding behaviour. 2. We studied summer habitat use, stomach contents and stable isotopic compositions of the generalist feeder Arctic charr coexisting with its common resource competitor brown trout in five subarctic lakes in northern Norway to reveal population-level and individual-level niche plasticity. 3. Charr and trout showed partial niche segregation in all five lakes. Charr used all habitat types and a wide variety of invertebrate prey including z…
Factors affecting the distribution of recent lacustrine ostracoda from the Caicedo de Yuso-Arreo Lake (Western Ebro Basin, Spain)
2005
Recent Ostracoda assemblages of the Caicedo de Yuso Lake have been described as representative of palustrine/lacustrine environments in Iberian temperate lakes. This study considers the changes in assemblages at a fixed station during two consecutive annual cycles, as well as their distribution in summer and winter profiles of the lake. Total sample-assemblages have been quantified as species diversities, measured by the Shannon-Wiener index H (S). The trends of this index are compared to physical parameters (temperature, conductivity, dissolved oxygen, CO2) of the bottom waters of this lake. The Ostracoda assemblages (8100 adults and juvenile living specimens, belonging to 20 species) are …
Coincidental loss of bacterial virulence in multi-enemy microbial communities.
2014
The coincidental virulence evolution hypothesis suggests that outside-host selection, such as predation, parasitism and resource competition can indirectly affect the virulence of environmentally-growing bacterial pathogens. While there are some examples of coincidental environmental selection for virulence, it is also possible that the resource acquisition and enemy defence is selecting against it. To test these ideas we conducted an evolutionary experiment by exposing the opportunistic pathogen bacterium Serratia marcescens to the particle-feeding ciliate Tetrahymena thermophila, the surfacefeeding amoeba Acanthamoeba castellanii, and the lytic bacteriophage Semad11, in all possible combi…
The sterilization of eco-criticism: from sustainable development to green capitalism
2015
[eng] Development has been a dominant and highly visible trope of the global political and economic life of the world since the 1950s. As such it has been inevitably linked to some of the most important social processes of this era: colonialism, globalization, postcolonialism, global ecological crisis, the rise of environmentalism, and more. The consolidation of the contemporary consumer global society came, hand by hand, with the certainty that it sustained a way of life that as a collateral damage, included a global ecological crisis. From many quarters of the world new voices raised concerns about the costs of globalization and proposed alternatives and solutions: modern eco-criticism wa…
The sterilization of eco-criticism: from sustainable development to green capitalism
2015
El desarrollo ha sido un tropo dominante de la vida política y económica global en el mundo desde 1950. Como tal ha estado inevitablemente conectado a algunos de los procesos sociales más importantes de esta era: colonialismo, globalización, post-colonialismo, crisis ecológica global, el crecimiento del ecologismo, entre otros. La consolidación de la sociedad del consumo contemporánea llegó de la mano de la certeza de que sostenía un sistema de vida que, como daño colateral, incluía una crisis ecológica global. Desde muchos lugares del mundo nuevas voces apuntaron críticas en relación a los costes de la globalización y propusieron alternativas y soluciones: el eco-criticismo. Este artículo …