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"Dover"
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Pushed Out
What happens to rural communities when their traditional
economic base collapses? When new money comes in, who gets left
behind? Pushed Out offers a rich portrait of Dover, Idaho,
whose transformation from \"thriving timber mill town\" to
\"economically depressed small town\" to \"trendy second-home
location\" over the past four decades embodies the story and
challenges of many other rural communities.
Sociologist Ryanne Pilgeram explores the structural forces
driving rural gentrification and examines how social and
environmental inequality are written onto these landscapes. Based
on in-depth interviews and archival data, she grounds this highly
readable ethnography in a long view of the region that takes
account of geological history, settler colonialism, and histories
of power and exploitation within capitalism. Pilgeram's analysis
reveals the processes and mechanisms that make such communities
vulnerable to gentrification and points the way to a radical
justice that prioritizes the economic, social, and environmental
sustainability necessary to restore these communities.
eBook
The curse of Deadman's Forest
According to prophecy, a trip through the magical portal near the Dover, England, orphanage where Ian and Theo live will bring them to the third Oracle, a child with extraordinary healing powers to help defeat a great evil, but it will also lead to Ian's death.
Book
Comparative Population Genomics Unveils Congruent Secondary Suture Zone in Southwest Pacific Hydrothermal Vents
Abstract
How the interplay of biotic and abiotic factors shapes current genetic diversity at the community level remains an open question, particularly in the deep sea. Comparative phylogeography of multiple species can reveal the influence of past climatic events, geographic barriers, and species life history traits on spatial patterns of genetic structure across lineages. To shed light on the factors that shape community-level genetic variation and to improve our understanding of deep-sea biogeographic patterns, we conducted a comparative population genomics study on seven hydrothermal vent species co-distributed in the Back-Arc Basins of the Southwest Pacific region. Using ddRAD-seq, we compared the range-wide distribution of genomic diversity across species and discovered a shared phylogeographic break. Demogenetic inference revealed shared histories of lineage divergence and a secondary contact. Low levels of asymmetric gene flow probably occurred in most species between the Woodlark and North Fiji basins, but the exact location of contact zones varied from species to species. For two species, we found individuals from the two lineages co-occurring in sympatry in Woodlark Basin. Although species exhibit congruent patterns of spatial structure (Eastern vs. Western sites), they also show variation in the degree of divergence among lineages across the suture zone. Our results also show heterogeneous gene flow across the genome, indicating possible partial reproductive isolation between lineages and early speciation. Our comparative study highlights the pivotal role of historical and contemporary factors, underscoring the need for a comprehensive approach—especially in addressing knowledge gaps on the life history traits of deep-sea species.
Journal Article
Oracles of Delphi Keep
In 1938, three orphans--Theo, Carl, and Ian, ages ten to thirteen--lead three teachers through a portal that takes them from Dover, England, to Morocco in their quest to locate six silver boxes before the ancient prophecies therein are found by the evil Demogorgon's offspring.
Book
Pushed Out
A small town weighs the economic compromises of growth in the Rocky Mountain WestWhat happens to rural communities when their traditional economic base collapses? When new money comes in, who gets left behind? Pushed Out offers a rich portrait of Dover, Idaho, whose transformation from \"thriving timber mill town\" to \"economically depressed small town\" to \"trendy second-home location\" over the past four decades embodies the story and challenges of many other rural communities.Sociologist Ryanne Pilgeram explores the structural forces driving rural gentrification and examines how social and environmental inequality are written onto these landscapes. Based on in-depth interviews and archival data, she grounds this highly readable ethnography in a long view of the region that takes account of geological history, settler colonialism, and histories of power and exploitation within capitalism. Pilgeram's analysis reveals the processes and mechanisms that make such communities vulnerable to gentrification and points the way to a radical justice that prioritizes the economic, social, and environmental sustainability necessary to restore these communities.
eBook
The level-crossing problem of a weakly damped particle in quadratic potential well under harmonic excitation
Escape and level-crossing are fundamental and closely related problems in transient dynamics. Often, when a particle reaches a critical displacement, its escape becomes inevitable. Therefore, escape models based on truncated potentials are often used, resulting in similar problems to level-crossing formulations. Two different types of dynamics can be identified, leading to different kinds of level-crossing depending on the relationship between the damping and the excitation level. The first one (“fast escape”) is mainly governed by the initial energy of the system, which is determined through the initial conditions. The second one (“slow escape”) is governed by the beatings determined through the relationship between external excitation and damping. An analytic approach for estimating the size and location of the safe basins (SBs) in the plane of the initial conditions (ICs) of a 1-DOF externally excited oscillator is suggested. It enables the identification of the set of ICs where the particle never reaches a certain threshold under the given excitation. The SBs depend on the damping coefficient and the excitation’s amplitude, frequency, and phase. Nonetheless, one can describe the essential properties of an SBs in the case of the almost resonant excitation using only two parameters: the forced response amplitude and the damping coefficient ratio to the difference between the natural and the excitation frequencies. Although the analysis is performed for a linear oscillator, it provides insight into the rush erosion process of the SBs (“Dover cliff” phenomenon), described previously only for nonlinear systems. The analysis reveals that the “Dover cliff” phenomenon is related to the decay rate of the transient motion and that it can occur even in linear systems too. From the engineering point of view, the rush erosion of the SBs is critical in noisy environments where devices operating in regions close to the “Dover cliff” are unsafe. Due to its simplicity, the proposed mechanical model might be generic for further analysis of the escape and level-crossing problems considering various nonlinearities (e.g., Coulomb friction, small polynomial-type nonlinearities of the restoring force, or constant restoring force). Possible applications include but are not limited to avoiding collisions for systems with clearances and durability analysis of brittle materials subjected to noisy loads.
Journal Article
Three Cases Revealing Remarkable Genetic Similarity Between Vent-Endemic Rimicaris Shrimps Across Distant Geographic Regions
Deep-sea hydrothermal vent fauna is often regarded as highly endemic, although exceptions have been reported. We examined genetic connectivity across broad spatial scales within the alvinocaridid genus Rimicaris, which has undergone substantial adaptive radiation worldwide. We analyzed six Rimicaris species using three genetic markers, cytochrome c oxidase subunit I (COI), 16S ribosomal rRNA gene (16S), and histone h3 (H3), and complete mitogenomes, employing newly generated sequences combined with publicly available sequence data. A genetic tree and haplotype networks were constructed, and divergence analyses were performed. Three clades of paired Rimicaris species were identified, each made up of taxa from different oceanic regions but showing relatively low COI divergence (0.35–1.90%). In Clade I, Rimicaris chacei and Rimicaris hybisae are morphologically similar and exhibit bidirectional gene flow, implying a dispersal route between the Mid-Atlantic Ridge (MAR) and the Mid-Cayman Spreading Center (MCSC). In Clade II, Rimicaris exoculata and Rimicaris kairei are morphologically, genetically, and ecologically distinct, reflecting restricted connectivity between the MAR and the Carlsberg Ridge (CR)–Central Indian Ridge (CIR). In Clade III, Rimicaris variabilis and Rimicaris cf. variabilis differ in nutritional strategies, showing a unidirectional dispersal route from the CIR to the southwestern Pacific (SWP), but morphological data to distinguish them are currently lacking. Some Rimicaris lineages maintain connectivity across distinct oceanic regions while others still form unique regional populations. This finding highlights the need for conservation strategies that incorporate both global-scale connectivity and regional endemism, rather than treating individual vent ecosystems as a single homogeneous management unit.
Journal Article
Tulalip, From My Heart
InTulalip, From My Heart, Harriette Shelton Dover describes her life on the Tulalip Reservation and recounts the myriad problems tribes faced after resettlement. Born in 1904, Dover grew up hearing the elders of her tribe tell of the hardships involved in moving from their villages to the reservation on Tulalip Bay: inadequate supplies of food and water, harsh economic conditions, and religious persecution outlawing potlatch houses and other ceremonial practices.
Dover herself spent ten traumatic months every year in an Indian boarding school, an experience that developed her political consciousness and keen sense of justice. The first Indian woman to serve on the Tulalip board of directors, Dover describes her experiences in her own personal, often fierce style, revealing her tribe's powerful ties and enduring loyalty to land now occupied by others.
eBook
Tide-surge interaction in the English Channel
The English Channel is characterised by strong tidal currents and a wide tidal range, such that their influence on surges is expected to be non-negligible. In order to better assess storm surges in this zone, tide-surge interactions are investigated. A preliminary data analysis on hourly surges indicates some preferential times of occurrence of large storm surges at rising tide, especially in Dunkerque. To examine this further, a numerical modelling approach is chosen, based on the 2DH shallow-water model (MARS). The surges are computed both with and without tide interaction. For the two selected events (the November 2007 North Sea and March 2008 Atlantic storms), it appears that the instantaneous tide-surge interaction is seen to be non-negligible in the eastern half of the English Channel, reaching values of 74 cm (i.e. 50% of the same event maximal storm surge) in the Dover Strait for the studied cases. This interaction decreases in westerly direction. In the risk-analysis community in France, extreme water levels have been determined assuming skew surges and tide as independent. The same hydrodynamic model is used to investigate this dependence in the English Channel. Simple computations are performed with the same meteorological forcing, while varying the tidal amplitude, and the skew surge differences DSS are analysed. Skew surges appear to be tide-dependent, with negligible values of DSS (<0.05 m) over a large portion of the English Channel, although reaching several tens of centimetres in some locations (e.g. the Isle of Wight and Dover Strait).
Journal Article