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• 41. [Article] Vertical distribution and migration of fishes from the lower mesopelagic zone off Oregon

  A 50 m² pelagic trawl equipped with a codend opening-closing device was used to sample micronektonic fishes between 500 m and 1000 m. Horizontal tows were made at 500, 650, 800 and 1000 m. Twelve of 15 ...

  Citation × Citation Citation Abstract Copy Title: Vertical distribution and migration of fishes from the lower mesopelagic zone off Oregon Author: Willis, John Marcus A 50 m² pelagic trawl equipped with a codend opening-closing device was used to sample micronektonic fishes between 500 m and 1000 m. Horizontal tows were made at 500, 650, 800 and 1000 m. Twelve of 15 common species captured showed significant diel differences in abundance at one or more depths indicative of vertical migration. Distinct vertical separation of day and night peaks in abundance of Bathylagus milleri shows that it migrates from 650 m during the day to 500 m at night. Catches of Cyclothone acclinidens and C. atraria were significantly higher during night than day at 800 m, suggesting upward migration from deeper depths at night. Several species showed changes in migratory behavior with size. Only small (<240 mm) Tactostoma macropus migrated vertically, whereas only large (>110 mm) Bathylagus pacificus appeared to migrate. Many species exhibited trends in size with depth, with size either increasing or decreasing with depth. Congeneric species usually had well separated population centers. Bathylagus mulleri and B. pacificus had similar abundance peaks by day, but B. milleri were shallower at night. Stenobrachius leucopsarus and S. nannochir were clearly separated vertically both day and night. The four common Cyclothone species were divided into an upper and a lower mesopelagic pair. Cyclothone pseudopallida and C. signata were most abundant at 500 m day and night, whereas C. acclinidens and C. atraria were most abundant at 800 m. All four common Cyclothone species appeared to migrate. Title: Vertical distribution and migration of fishes from the lower mesopelagic zone off Oregon Author: Willis, John Marcus A 50 m² pelagic trawl equipped with a codend opening-closing device was used to sample micronektonic fishes between 500 m and 1000 m. Horizontal tows were made at 500, 650, 800 and 1000 m. Twelve of 15 common species captured showed significant diel differences in abundance at one or more depths indicative of vertical migration. Distinct vertical separation of day and night peaks in abundance of Bathylagus milleri shows that it migrates from 650 m during the day to 500 m at night. Catches of Cyclothone acclinidens and C. atraria were significantly higher during night than day at 800 m, suggesting upward migration from deeper depths at night. Several species showed changes in migratory behavior with size. Only small (<240 mm) Tactostoma macropus migrated vertically, whereas only large (>110 mm) Bathylagus pacificus appeared to migrate. Many species exhibited trends in size with depth, with size either increasing or decreasing with depth. Congeneric species usually had well separated population centers. Bathylagus mulleri and B. pacificus had similar abundance peaks by day, but B. milleri were shallower at night. Stenobrachius leucopsarus and S. nannochir were clearly separated vertically both day and night. The four common Cyclothone species were divided into an upper and a lower mesopelagic pair. Cyclothone pseudopallida and C. signata were most abundant at 500 m day and night, whereas C. acclinidens and C. atraria were most abundant at 800 m. All four common Cyclothone species appeared to migrate. Close

• 42. [Article] Investigation of depleted uranium migration offsite from a military ordnance range : potential concentrations and radiological doses

  Citation × Citation Citation Abstract Copy Title: Investigation of depleted uranium migration offsite from a military ordnance range : potential concentrations and radiological doses Author: Rynders, David G. Title: Investigation of depleted uranium migration offsite from a military ordnance range : potential concentrations and radiological doses Author: Rynders, David G. Close

• 43. [Article] Factors influencing the seaward migration of smolt steelhead trout : Salmo gairdnerii gairdnerii Richardson, in the Alsea River, Oregon

  Citation × Citation Citation Abstract Copy Title: Factors influencing the seaward migration of smolt steelhead trout : Salmo gairdnerii gairdnerii Richardson, in the Alsea River, Oregon Author: Andrews, Rupert Earle Title: Factors influencing the seaward migration of smolt steelhead trout : Salmo gairdnerii gairdnerii Richardson, in the Alsea River, Oregon Author: Andrews, Rupert Earle Close

• 44. [Article] International students as educational migrants : east and southwest Asian perspectives

  Projected to reach one million people next year, international students in the United States are undergoing a transformative educational migration. Moving away from the existing study abroad paradigm is ...

  Citation × Citation Citation Abstract Copy Title: International students as educational migrants : east and southwest Asian perspectives Author: Visconti, Lauren A. Projected to reach one million people next year, international students in the United States are undergoing a transformative educational migration. Moving away from the existing study abroad paradigm is the first step to more accurately understand the lived experience of an educational migrant. Discovering the perceptions of what value an American education holds and accomplishes for students back home is central to revealing the major conditions and influences both propelling educational migration, the experience, and the course, features, and impacts of reentry migration. What prompts students to engage in this risky transformative activity? How can U.S. academic institutions better adapt to the international student experience by adapting a lens of migration? What is the role of cultural capital acquired while abroad in the process of reentry migration? Is the reentry process facilitated by the educational objectives obtained in the U.S? This study examines the lived experience of South Korea and Saudi Arabians as a window into the lives of international students as educational migrants. Acquiring cultural capital - the personal resources and assets an individual uses to negotiate their social environment - abroad is perceived as a way to better navigate the conditions of economic precarity. However, what unfolds is a significant transformative experience in the interstices of liminal spaces abroad that often results into a liminal condition upon reentry migration. The role of cultural capital acquired from the educational migration process has a stronger influence than the actual educational achievements obtained. This research seeks to work towards an anthropology of higher education, bringing the topic of student mobility into an anthropological frame in order to expand scholarship and inform educational curriculum and policy affecting the international student experience. Title: International students as educational migrants : east and southwest Asian perspectives Author: Visconti, Lauren A. Projected to reach one million people next year, international students in the United States are undergoing a transformative educational migration. Moving away from the existing study abroad paradigm is the first step to more accurately understand the lived experience of an educational migrant. Discovering the perceptions of what value an American education holds and accomplishes for students back home is central to revealing the major conditions and influences both propelling educational migration, the experience, and the course, features, and impacts of reentry migration. What prompts students to engage in this risky transformative activity? How can U.S. academic institutions better adapt to the international student experience by adapting a lens of migration? What is the role of cultural capital acquired while abroad in the process of reentry migration? Is the reentry process facilitated by the educational objectives obtained in the U.S? This study examines the lived experience of South Korea and Saudi Arabians as a window into the lives of international students as educational migrants. Acquiring cultural capital - the personal resources and assets an individual uses to negotiate their social environment - abroad is perceived as a way to better navigate the conditions of economic precarity. However, what unfolds is a significant transformative experience in the interstices of liminal spaces abroad that often results into a liminal condition upon reentry migration. The role of cultural capital acquired from the educational migration process has a stronger influence than the actual educational achievements obtained. This research seeks to work towards an anthropology of higher education, bringing the topic of student mobility into an anthropological frame in order to expand scholarship and inform educational curriculum and policy affecting the international student experience. Close

• 45. [Article] A behavior‐oriented dynamic model for sandbar migration and 2DH evolution

  A nonlinear model is developed to study the time‐dependent relationship between the alongshore variability of a sandbar, a(t), and alongshore‐averaged sandbar position, xc(t). Sediment transport equations ...

  Citation × Citation Citation Abstract Copy Title: A behavior‐oriented dynamic model for sandbar migration and 2DH evolution Author: Plant, Nathaniel G., Splinter, Kristen D., Holman, Robert A. A nonlinear model is developed to study the time‐dependent relationship between the alongshore variability of a sandbar, a(t), and alongshore‐averaged sandbar position, xc(t). Sediment transport equations are derived from energetics‐based formulations. A link between this continuous physical representation and a parametric form describing the migration of sandbars of constant shape is established through a simple transformation of variables. The model is driven by offshore wave conditions. The parametric equations are dynamically coupled such that changes in one term (i.e., xc) drive changes in the other (i.e., a(t)). The model is tested on 566 days of data from Palm Beach, New South Wales, Australia. Using weighted nonlinear least squares to estimate best fit model coefficients, the model explained 49% and 41% of the variance in measured xc and a(t), respectively. Comparisons against a 1‐D horizontal (1DH) version of the model showed significant improvements when the 2DH terms were included (1DH and 2DH Brier skill scores were −0.12 and 0.42, respectively). Onshore bar migration was not predicted in the 1DH model, while the 2DH model correctly predicted onshore migration in the presence of 2DH morphology and allowed the bar to remain closer to shore for a given amount of breaking, providing an important hysteresis to the system. The model is consistent with observations that active bar migration occurs under breaking waves with onshore migration occurring at timescales of days to weeks and increasing 2DH morphology, while offshore migration occurs rapidly under high waves and coincides with a reduction in 2DH morphology. Title: A behavior‐oriented dynamic model for sandbar migration and 2DH evolution Author: Plant, Nathaniel G., Splinter, Kristen D., Holman, Robert A. A nonlinear model is developed to study the time‐dependent relationship between the alongshore variability of a sandbar, a(t), and alongshore‐averaged sandbar position, xc(t). Sediment transport equations are derived from energetics‐based formulations. A link between this continuous physical representation and a parametric form describing the migration of sandbars of constant shape is established through a simple transformation of variables. The model is driven by offshore wave conditions. The parametric equations are dynamically coupled such that changes in one term (i.e., xc) drive changes in the other (i.e., a(t)). The model is tested on 566 days of data from Palm Beach, New South Wales, Australia. Using weighted nonlinear least squares to estimate best fit model coefficients, the model explained 49% and 41% of the variance in measured xc and a(t), respectively. Comparisons against a 1‐D horizontal (1DH) version of the model showed significant improvements when the 2DH terms were included (1DH and 2DH Brier skill scores were −0.12 and 0.42, respectively). Onshore bar migration was not predicted in the 1DH model, while the 2DH model correctly predicted onshore migration in the presence of 2DH morphology and allowed the bar to remain closer to shore for a given amount of breaking, providing an important hysteresis to the system. The model is consistent with observations that active bar migration occurs under breaking waves with onshore migration occurring at timescales of days to weeks and increasing 2DH morphology, while offshore migration occurs rapidly under high waves and coincides with a reduction in 2DH morphology. Close

• 46. [Image] A critical review: Internal migration in Egypt

  	Citation × Citation Citation Abstract Copy Title: A critical review: Internal migration in Egypt Year: 1982 Title: A critical review: Internal migration in Egypt Year: 1982 Close

• 47. [Image] The outflow of labour from agriculture: a framework for analyzing migration from rural areas (Book Review)

  	Citation × Citation Citation Abstract Copy Title: The outflow of labour from agriculture: a framework for analyzing migration from rural areas (Book Review) Author: Seifelnasr, Ahmed Year: 1983 Title: The outflow of labour from agriculture: a framework for analyzing migration from rural areas (Book Review) Author: Seifelnasr, Ahmed Year: 1983 Close

• 48. [Image] Internal Migration Patterns in Israel

  	Citation × Citation Citation Abstract Copy Title: Internal Migration Patterns in Israel Year: 1981 Title: Internal Migration Patterns in Israel Year: 1981 Close

• 49. [Image] On the relationship between land reform and rural-urban migration in Iran, 1966-1976

  	Citation × Citation Citation Abstract Copy Title: On the relationship between land reform and rural-urban migration in Iran, 1966-1976 Year: 1992 Title: On the relationship between land reform and rural-urban migration in Iran, 1966-1976 Year: 1992 Close

• 50. [Image] Internal Migration (between localities) of Jews in Israel, 1978-80

  	Citation × Citation Citation Abstract Copy Title: Internal Migration (between localities) of Jews in Israel, 1978-80 Year: 1983 Title: Internal Migration (between localities) of Jews in Israel, 1978-80 Year: 1983 Close