16 research outputs found
Architecture and utopia, 2015
No abstract available
Imaginary communities: utopia, the nation, and the spatial histories of modernity
Drawing from literary history, social theory, and political critique, this far-reaching study explores the utopian narrative as a medium for understanding the social space of the modern nation-state. Considering the narrative utopia from its earliest manifestation in Thomas More's sixteenth-century work Utopia to some of the most influential utopias of the late nineteenth and twentieth centuries, this book is an astute study of a literary genre as well as a nuanced dialectical meditation on the history of utopian thinking as a quintessential history of modernity. As he unravels the dialectics at work in the utopian narrative, Wegner gives an ambitious synthetic discussion of theories of modernity, considering and evaluating the ideas of writers such as Ernst Bloch, Louis Marin, Gilles Deleuze, Walter Benjamin, Martin Heidegger, Henri Lefebvre, Paul de Man, Karl Mannheim, Mikhail Bakhtin, JĆ¼rgen Habermas, Slavoj Zizek, and Homi Bhabha
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Organismal responses to deteriorating water quality during the historic 2020 red tide off Southern California
In April and May of 2020, a large phytoplankton bloom composed primarily of the dinoflagellate Lingulodinium polyedra reached historic levels in geographic expanse, duration, and density along the coast of southern California, United States, and Baja California Norte, Mexico. Here, we report the water quality parameters of dissolved oxygen and pH over the course of the red tide, as measured by multiple sensors deployed in various locations along San Diego County, and document the extent of mass organism mortality using field surveys and community science observations. We found that dissolved oxygen and pH corresponded with bloom dynamics, with extreme hypoxic and hyperoxic conditions occurring at multiple locations along the coast, most notably within select estuaries where dissolved oxygen reached 0 mg Lā1 and hypoxia occurred for up to 254 consecutive hours, as well as along the inner shelf of the open coast where dissolved oxygen dropped as low as 0.05 mg Lā1. Similarly, pH ranged widely (6.90ā8.79) across the bloom over both space and time, largely corresponding with dissolved oxygen level. Extreme changes in dissolved oxygen and pH, in addition to changes to other water parameters that affect organismal health, ultimately led to documented mortalities of thousands of demersal and benthic fishes and invertebrates (primarily within estuarine and inner-shelf environments), and long-term surveys within one lagoon showed protracted changes to benthic infaunal density and species composition. In addition to field observations, we also quantified water quality parameters and organism mortalities from four local aquarium facilities, with varying levels of filtration and artificial oxygenation, and documented the morphological changes in the gills of captive-held Pacific sardine in response to the red tide. We show that multiple factors contributed to organismal stress, with hypoxia likely being the most widespread, but not the only, cause of mortality