Corporeity and the Eurocentric community: recasting Husserl’s crisis in Merleau-Ponty’s ontology of the flesh

This paper attempts to develop a phenomenological account of community which would not be pervaded by Eurocentric assumptions. Such Eurocentrism is what Husserl’s phenomenological framework has been accused of. I first reconstruct Husserl’s phenomenology of community in his late transcendental phenomenology by examining the Vienna Lecture. I show that Husserl’s Eurocentrism is encapsulated in his account of corporeity, which simultaneously recognizes the importance of corporeity and its necessary overcoming in theoria, which originates in the European philosopher. I then argue that Merleau-Ponty, through his rigorously embodied phenomenology, can offer a non-Eurocentric phenomenology of community. Elaborating on the Husserlian insight of corporeity, notably the perceptual experience and the écart at stake in the encounter with other bodies, allows Merleau-Ponty’s ontology of the flesh to recast community from and with the body as an open, situated, and non-archeo-teleological structure, allowing phenomenology to reimagine inter-cultural encounters away from tropes of European exemplarity

In-situ Temperature Stations Elucidate Species’ Phenological Responses to Climate in the Alps, but Meteorological and Snow Reanalysis Facilitates Broad Scale and Long-Term Studies

Linking climate variability and change to the phenological response of species is particularly challenging in the context of mountainous terrain. In these environments, elevation and topography lead to a diversity of bioclimatic conditions at fine scales affecting species distribution and phenology. In order to quantify in situ climate conditions for mountain plants, the CREA (Research Center for Alpine Ecosystems) installed 82 temperature stations throughout the southwestern Alps, at different elevations and aspects. Dataloggers at each station provide local measurements of temperature at four heights (5 cm below the soil surface, at the soil surface, 30 cm above the soil surface, and 2 m above ground). Given the significant amount of effort required for station installation and maintenance, we tested whether meteorological data based on the S2M reanalysis could be used instead of station data. Comparison of the two datasets showed that some climate indices, including snow melt-out date and a heat wave index, can vary significantly according to data origin. More general indices such as daily temperature averages were more consistent across datasets, while threshold-based temperature indices showed somewhat lower agreement. Over a 12 year period, the phenological responses of four mountain tree species (ash (Fraxinus excelsior), spruce (Picea abies), hazel (Corylus avellana), birch (Betula pendula)), coal tits (Periparus ater) and common frogs (Rana temporaria) to climate variability were better explained, from both a statistical and ecological standpoint, by indices derived from field stations. Reanalysis data out-performed station data, however, for predicting larch (Larix decidua) budburst date. Overall, our study indicates that the choice of dataset for phenological monitoring ultimately depends on target bioclimatic variables and species, and also on the spatial and temporal scale of the study

Sex-specific effects of the local social environment on juvenile post-fledging dispersal in great tits

An individual’s decision to disperse from the natal habitat can affect its future fitness prospects. Especially in species with sex-biased dispersal, we expect the cost–benefit balance for dispersal to vary according to the social environment (e.g., local sex ratio and density). However, little is known about the social factors affecting dispersal decisions and about the temporal and spatial patterns of the dispersal process. In our study, we investigated experimentally the effects of the social environment on post-fledging dispersal of juvenile great tits by simultaneously manipulating the density and sex ratio of fledglings within forest plots. We expected young females in the post-fledging period mainly to compete for resources related to food and, as they are subordinate to males, we predicted higher female dispersal from male-biased plots. Juvenile males compete for vacant territories already in late summer and autumn; thus, we predicted increased male dispersal from high density and male-biased plots. We found that juvenile females had a higher probability to leave male-biased plots and had dispersed further from male-biased plots in the later post-fledging phase when juvenile males start to become territorial and more aggressive. Juvenile males were least likely to leave male-biased plots and had smallest dispersal distances from female-biased plots early after fledging. The results suggest that the social environment differentially affected the costs and benefits of philopatry for male and female juveniles. The local sex ratio of individuals is thus an important social trait to be considered for understanding sex-specific dispersal processes

Distribution and status of the Ethiopian population of the Chough Pyrrhocorax pyrrhocorax baileyi

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Evaluation de l'activité antileishmanienne de dérivés acridiniques (étude de leurs mécanismes d'action sur Leishmania infantum)

AIX-MARSEILLE2-BU Pharmacie (130552105) / SudocSudocFranceF

Warm temperatures during cold season can negatively affect adult survival in an alpine bird

Climate seasonality is a predominant constraint on the lifecycles of species in alpine and polar biomes. Assessing the response of these species to climate change thus requires taking into account seasonal constraints on populations. However, interactions between seasonality, weather fluctuations, and population parameters remain poorly explored as they require long‐term studies with high sampling frequency. This study investigated the influence of environmental covariates on the demography of a corvid species, the alpine chough Pyrrhocorax graculus, in the highly seasonal environment of the Mont Blanc region. In two steps, we estimated: (1) the seasonal survival of categories of individuals based on their age, sex, etc., (2) the effect of environmental covariates on seasonal survival. We hypothesized that the cold season—and more specifically, the end of the cold season (spring)—would be a critical period for individuals, and we expected that weather and individual covariates would influence survival variation during critical periods. We found that while spring was a critical season for adult female survival, it was not for males. This is likely because females are dominated by males at feeding sites during snowy seasons (winter and spring), and additionally must invest energy in egg production. When conditions were not favorable, which seemed to happen when the cold season was warmer than usual, females probably reached their physiological limits. Surprisingly, adult survival was higher at the beginning of the cold season than in summer, which may result from adaptation to harsh weather in alpine and polar vertebrates. This hypothesis could be confirmed by testing it with larger sets of populations. This first seasonal analysis of individual survival over the full life cycle in a sedentary alpine bird shows that including seasonality in demographic investigations is crucial to better understand the potential impacts of climate change on cold ecosystems

Stratégies d'exploitation des ressources en fonction du sexe et de la saison chez une espèce grégaire, le chocard à bec jaune (Pyrrhocorax graculus)

The fréquentation of a clumped food resource by a foraging flock of a social corvid species, the Alpine Chough Pyrrhocorax graculus was studied between November 1990 and May 1991 at a refuse tip according to sex and season. Site fréquentation, interactions and success rates were shown to vary with sex and season. Females were less aggressive than males, their success rate was lower, and they principally used low bird density areas where interaction rates were low. Female attendance increased in spring in parallel to their interaction success rate. Among females, those whose weight exceeded the median value were most frequently seen, especially in the area where highest interaction rates were observed. This suggests that alpine choughs use different foraging strategies in order to exploit clumped resources according to their social status (i.e. sex, physical caracteristics) and season.Delestrade Anne. Stratégies d'exploitation des ressources en fonction du sexe et de la saison chez une espèce grégaire, le chocard à bec jaune (Pyrrhocorax graculus). In: Revue d'Écologie (La Terre et La Vie), tome 48, n°2, 1993. pp. 199-206