Journal Articles

Permanent URI for this collectionhttps://mro.massey.ac.nz/handle/10179/7915

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    A contribution to the anatomy of two rare cetacean species: The hourglass dolphin (Cephalorhynchus cruciger) and the spectacled porpoise (Phocoena dioptrica)
    (Wiley Periodicals LLC on behalf of American Association for Anatomy, 2025-10-22) Graïc J-M; Gerussi T; Cozzi B; Boys RM; Kot BCW; Perrott MR; Fleury K; Chung TYT; Tsui HCL; Burns E; Webster T; Hunter S; Betty EL; Howarth O; Loch C; White S; Dawson S; Rayment W; Cole R; Cox D; Waterhouse T; Hendriks H; van Helden A; Johnstone M; Stewart RO; Fordyce RE; Stockin KA
    The anatomical description of the hourglass dolphin (Cephalorhynchus cruciger) and the spectacled porpoise (Phocoena dioptrica) remains largely unexplored, due to limited specimen availability and preservation challenges. This study employed digital imaging techniques, conventional histology, and computed tomography to provide visualization of anatomical structures for a detailed analysis. We present a comprehensive analysis of the gross macroscopical and microscopical morphology of two hourglass dolphins and four spectacled porpoises. Morphometric measurements and skeletal characteristics aligned with the literature, while internal anatomy (organs and systems) was similar to other odontocetes. Precise and consistent lung measurements were challenging; qualitative assessments indicated relatively large lungs with respect to body size. The spectacled porpoise dorsal fin was uniquely large with a well-developed blood supply; this is hypothesized to act as a thermoregulatory window, though it may also play a role in sexual display in the case of males. Overall, this study provides new data on the anatomy of the hourglass dolphin and spectacled porpoise, contributing insights that may influence future research on these rare species. The findings highlight the importance of anatomical studies as a basis for explaining evolutionary relationships within cetaceans and their ecological roles in the Southern Ocean ecosystems.
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    A contribution to the anatomy of two rare cetacean species: the hourglass dolphin (Lagenorhynchus cruciger) and the spectacled porpoise (Phocoena dioptrica)
    (2025-03-26) Graïc J-M; Gerussi T; Cozzi B; Boys RM; Kot BCW; Perrott MR; Fleury K; Chung TYT; Tsui HCL; Burns E; Webster T; Hunter S; Betty EL; Howarth O; Loch C; White S; Dawson S; Rayment W; Cole R; Cox D; Waterhouse T; Hendriks H; van Helden A; Johnstone M; Stewart RO; Fordyce RE; Stockin KA
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    Avian Influenza Virus Surveillance Across New Zealand and Its Subantarctic Islands Detects H1N9 in Migratory Shorebirds, but Not 2.3.4.4b HPAI H5N1
    (John Wiley and Sons Ltd, 2025-04) Waller SJ; Wierenga JR; Heremia L; Darnley JA; de Vries I; Dubrulle J; Robinson Z; Miller AK; Niebuhr CN; Melville DS; Schuckard R; Battley PF; Wille M; Alai B; Cole R; Cooper J; Ellenberg U; Elliott G; Faulkner J; Fischer JH; Fyfe J; Hay L; Houston D; Keys BC; Long J; Long R; Mattern T; McGovern H; McNutt L; Moore P; Neil O; Osborne J; Pagé A-S; Parker KA; Perry M; Philp B; Reid J; Rexer-Huber K; Russell JC; Sagar R; Ruru TT; Thompson T; Thomson L; Tinnemans J; Uddstrom L; Waipoua TA; Walker K; Whitehead E; Wickes C; Young MJ; McInnes K; Winter D; Geoghegan JL
    Highly pathogenic avian influenza (HPAI) virus subtype H5N1 has never been detected in New Zealand. The potential impact of this virus on New Zealand's wild birds would be catastrophic. To expand our knowledge of avian influenza viruses across New Zealand, we sampled wild aquatic birds from New Zealand, its outer islands and its subantarctic territories. Metatranscriptomic analysis of 700 individuals spanning 33 species revealed no detection of H5N1 during the annual 2023–2024 migration. A single detection of H1N9 in red knots (Calidris canutus) was noted. This study provides a baseline for expanding avian influenza virus monitoring in New Zealand.
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    The agrarian transition in the Mekong Region: pathways towards sustainable land systems
    (Taylor and Francis Group, 2024-01-01) Ehrensperger A; Nanhthavong V; Beban A; Gironde C; Diepart J-C; Scurrah N; Nguyen A-T; Cole R; Hett C; Ingalls M
    The agrarian transition, with its rapid growth in land-based investments, has radically altered agrarian and forest landscapes across the Mekong Region. These processes were enabled and accelerated by choices of actors in the public and private sectors with the aim of alleviating poverty and boosting socioeconomic development. We examine to what extent these goals were achieved and for whom, with a focus on poverty alleviation, gender equality, and forest conservation. Our descriptive assessment shows that the sustainability outcomes of the agrarian transition offer a highly variegated picture that is often not reflected in national level statistics used for monitoring the distance to target towards achieving the 2030 Agenda. Based on our findings, we sketch pathways for a more sustainable agrarian transition in the region. These pathways are explored in greater detail in three framing papers of the special issue “Agrarian Change in the Mekong Region: Pathways towards Sustainable Land Systems’.
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    Agricultural commercialization in the Mekong region: A meta-narrative review and policy implications
    (Taylor and Francis Group, 2023-03-23) Nguyen A-T; Oya C; Beban A; Gironde C; Cole R; Ehrensperger A
    Agricultural commercialization has been a development focus in the Mekong region for several decades, resulting in varying outcomes. In response to competing claims and policy advice, this meta-narrative review not only examines the literature on the impacts of agricultural commercialization in the Mekong on local livelihoods, but also investigates the research traditions that shape the conceptualization of the research topics, study design, and recommended solutions. We explore narratives from three research traditions, namely the neoclassical, Marxian political economy, and neopopulist approaches. On the whole, the neoclassical literature finds positive impacts on household incomes and thus contributes to reducing poverty; the Marxian political economy tradition finds that capitalist development in agriculture creates and deepens social differentiation through which certain groups may benefit while others are negatively impacted; lastly, the neopopulist perspective finds negative impacts compared to previous, traditional livelihoods. The ideological premises informing these studies and implications for policy are discussed.