title: Note on the occurrence of Taupo pumice in the Hamilton basin

authors: Tonkin, Philip J.

subjects: Hamilton basin

abstract: The presence of a thin layer of pumice lapilli and ash close to the surface of the Rukuhia and Moanatuatua peat bogs was recorded by Grange and Taylor (1939). Since this time a similar band of pumice has been noted in many of the other peat areas in the Hamilton basin. In the undeveloped fibrous peats of the Woodlands bog a layer of pumice lapilli 2 to 3 inches thick occurs at a depth of 18 to 20 inches from the surface. This is similar to the observations of Grange and Taylor. In the more loamy peats the pumice layer is predominantly fine ash and any lapilli present are extremely weathered and crush easily. In the fibrous peats it is thought that the fine ash that fell on the bog surface soon dispersed in the loose network of dead material, whereas the lapilli were of sufficient size to be trapped. In the loamy peats more active weathering took place in an acid environment as the organic matter was breaking down. This made the lapilli very fragile, so with drainage and compaction of the peat the lapilli were very soon crushed to fine ash size.

text: Note on the occurrence of Taupo pumice in the Hamilton basin The presence of a thin layer of pumice lapilli and ash close to the surface of the Rukuhia and Moanatuatua peat bogs was recorded by Grange and Taylor (1939). Since this time a similar band of pumice has been noted in many of the other peat areas in the Hamilton basin. In the undeveloped fibrous peats of the Woodlands bog a layer of pumice lapilli 2 to 3 inches thick occurs at a depth of 18 to 20 inches from the surface. This is similar to the observations of Grange and Taylor. In the more loamy peats the pumice layer is predominantly fine ash and any lapilli present are extremely weathered and crush easily. In the fibrous peats it is thought that the fine ash that fell on the bog surface soon dispersed in the loose network of dead material, whereas the lapilli were of sufficient size to be trapped. In the loamy peats more active weathering took place in an acid environment as the organic matter was breaking down. This made the lapilli very fragile, so with drainage and compaction of the peat the lapilli were very soon crushed to fine ash size.

year: 1967

title: Aerobiology Over Antarctica - A New Initiative for Atmospheric Ecology

authors: Pearce, David A.

subjects: Science & Technology

abstract: The role of aerial dispersal in shaping patterns of biodiversity remains poorly understood, mainly due to a lack of coordinated efforts in gathering data at appropriate temporal and spatial scales. It has been long known that the rate of dispersal to an ecosystem can significantly influence ecosystem dynamics, and that aerial transport has been identified as an important source of biological input to remote locations. With the considerable effort devoted in recent decades to understanding atmospheric circulation in the south-polar region, a unique opportunity has emerged to investigate the atmospheric ecology of Antarctica, from regional to continental scales. This concept note identifies key questions in Antarctic microbial biogeography and the need for standardized sampling and analysis protocols to address such questions. A consortium of polar aerobiologists is established to bring together researchers with a common interest in the airborne dispersion of microbes and other propagules in the Antarctic, with opportunities for comparative studies in the Arctic.

text: Aerobiology Over Antarctica - A New Initiative for Atmospheric Ecology The role of aerial dispersal in shaping patterns of biodiversity remains poorly understood, mainly due to a lack of coordinated efforts in gathering data at appropriate temporal and spatial scales. It has been long known that the rate of dispersal to an ecosystem can significantly influence ecosystem dynamics, and that aerial transport has been identified as an important source of biological input to remote locations. With the considerable effort devoted in recent decades to understanding atmospheric circulation in the south-polar region, a unique opportunity has emerged to investigate the atmospheric ecology of Antarctica, from regional to continental scales. This concept note identifies key questions in Antarctic microbial biogeography and the need for standardized sampling and analysis protocols to address such questions. A consortium of polar aerobiologists is established to bring together researchers with a common interest in the airborne dispersion of microbes and other propagules in the Antarctic, with opportunities for comparative studies in the Arctic.

year: 2016-02-16

title: Student voice and agency for Indigenous Maori students in higher education transitions

authors: Amundsen, Diana Leigh

subjects: Social Sciences

abstract: This article reveals the complexities of Indigenous students navigating the neoliberal model of education through an examination of Māori transitions into higher education contexts in Aotearoa New Zealand. In a recently completed doctoral study, the lived transition experiences of Indigenous Māori higher education students were critically investigated from a student voice perspective. Data were collected and analysed through repeated semi-structured interviews, focus groups and visual stories in a semi-longitudinal study with 20 Māori students enrolled in a wānanga, a polytechnic and a university. Using a Bourdieuan theoretical framework for analysis, findings revealed that participants experienced their transition as a journey. Students perpetually evolved their identities and agency in relation to the tertiary education environments and social structures they encountered which supported or constrained transition experiences. Within wānanga, participants felt their Māori cultural identity was highly valued; within polytechnics, there was a sense that Māori culture is included but more could be done; within universities, a need for more inclusive practices to support Māori learner requirements was identified. This empirical research outlines learning for Māori students in higher education, and is a timely addition to knowledge revealing the complexities of teaching in the neoliberal model of higher education with Indigenous people.

text: Student voice and agency for Indigenous Maori students in higher education transitions This article reveals the complexities of Indigenous students navigating the neoliberal model of education through an examination of Māori transitions into higher education contexts in Aotearoa New Zealand. In a recently completed doctoral study, the lived transition experiences of Indigenous Māori higher education students were critically investigated from a student voice perspective. Data were collected and analysed through repeated semi-structured interviews, focus groups and visual stories in a semi-longitudinal study with 20 Māori students enrolled in a wānanga, a polytechnic and a university. Using a Bourdieuan theoretical framework for analysis, findings revealed that participants experienced their transition as a journey. Students perpetually evolved their identities and agency in relation to the tertiary education environments and social structures they encountered which supported or constrained transition experiences. Within wānanga, participants felt their Māori cultural identity was highly valued; within polytechnics, there was a sense that Māori culture is included but more could be done; within universities, a need for more inclusive practices to support Māori learner requirements was identified. This empirical research outlines learning for Māori students in higher education, and is a timely addition to knowledge revealing the complexities of teaching in the neoliberal model of higher education with Indigenous people.

year: 2019