637 research outputs found

    2019 IODE Update: AIUs, ODISCat, OceanDocs

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    This presentation gives an overview of current IODE projects that intersect with IAMSLIC interests. This includes an update on the Associated Data Units program for eligible Library and Information Centers

    Rocky Reef Fishery Level 2 Ecological Risk Assessment

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    A Scoping Study and Level 1 Ecological Risk Assessment (ERA) for the Rocky Reef Fishery was released in July 2019 (Jacobsen et al. 2019). The Level 1 assessment identified ecological components at higher risk from line fishing activities, and these were progressed to a Level 2 assessment. Level 2 ERAs are focused at the species level with risk evaluations based on a Productivity & Susceptibility Analysis (PSA). The PSA evaluates risk for each species through an assessment of seven biological attributes and up to seven fisheries-specific attributes. This Level 2 ERA examined the risk posed to ten target & byproduct species and one species of shark. Of the target & byproduct species, seven were found to be at high risk and three at medium risk. The shark species (grey nurse shark) was found to be at high risk from line fishing activities. Risk profiles were influenced by data deficiencies, an underdeveloped management regime, and cumulative fishing pressures. For six of the 11 species, final risk ratings are more representative of the potential risk. Management of precautionary risks beyond what is already being undertaken as part of the Queensland Sustainable Fisheries Strategy 2017–2027 is not considered an immediate priority. The Level 2 ERA made a list of recommendations to assist in the management and mitigation of risk in the Rocky Reef Fishery. A number of these measures are already being discussed as part of the Queensland Sustainable Fisheries Strategy 2017–2027, including the development of a harvest strategy. As these reforms are still in development and yet to be fully implemented, the Level 2 ERA only considers management arrangements that are in place at the time of assessment

    Aquatic Commons update

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    Building an Ocean of Information Drop by Drop : realities of a multi-institutional large scale digitization project

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    An overview of the workflow process the MBLWHOI Library has created through their digitization efforts with the Internet Archive as the part of two consortial projects. This includes some lessons learned as well as future plans to facilitate access. (21 powerpoint slides

    Reef Line Fishery Level 2 Ecological Risk Assessment

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    A Scoping Study and Level 1 Ecological Risk Assessment (ERA) for the Reef Line Fishery was released in July 2019 (Jacobsen et al. 2019). The Level 1 assessment identified ecological components at higher risk from line fishing activities, and these were progressed to a Level 2 assessment. Level 2 ERAs are focused at the species level with risk evaluations based on a Productivity & Susceptibility Analysis (PSA). The PSA evaluates risk for each species through an assessment of seven biological attributes and up to seven fisheries-specific attributes. This Level 2 ERA examined the risk posed to 35 target & byproduct species (Other Species quota management unit), and four protected teleosts. Collectively, 17 species were found to be at high risk from line fishing activities, and the remaining 22 species were assessed as a medium risk. Risk profiles were influenced by data deficiencies, an underdeveloped management regime, and cumulative fishing pressures. For a portion of these species, final risk ratings were precautionary and are more representative of the potential risk. Management of precautionary risks beyond what is already being undertaken as part of the Queensland Sustainable Fisheries Strategy 2017–2027 is not considered a priority. The Level 2 ERA made a list of recommendations to assist in the management and mitigation of risk in the Reef Line Fishery. A number of these measures are already being discussed or addressed through the Queensland Sustainable Fisheries Strategy 2017–2027 and the Reef Line Fishery Harvest Strategy. As the Level 2 ERA commenced prior to the implementation of the harvest strategy, the results are based on the previous management regime. The harvest strategy will be taken into consideration is subsequent ERAs

    East Coast Inshore Large Mesh Net Fishery Level 2 Ecological Risk Assessment [Species of Conservation Concern]

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    The Queensland Ecological Risk Assessment Guideline (the Guideline) was released in March 2018 as part of the Queensland Sustainable Fisheries Strategy 2017–2027. This Guideline provides an overview of strategy being employed to develop Ecological Risk Assessments (ERAs) for Queensland’s fisheries. The Guideline describes a four-stage framework consisting of a Scoping Study; a Level 1, whole of fishery qualitative assessment; a Level 2, species-specific semi-quantitative or low-data quantitative assessment and; a Level 3 quantitative assessment (if applicable). A Scoping Study and Level 1 ERA for the East Coast Inshore Fishery was released in May 2019 (Jacobsen et al. 2019). The Level 1 assessment identified ecological components at higher risk from net fishing activities, and these were progressed to a Level 2 assessment. Level 2 ERAs are focused at the species level with risk evaluations based on a Productivity & Susceptibility Analysis (PSA). The PSA evaluates risk for each species through an assessment of seven biological attributes and four fisheries-specific attributes. Based on the outputs of the Level 1 ERA and following a species prioritisation process, the Large Mesh Net Fishery Level 2 ERA assessed risk for 32 Species of Conservation Concern (SOCC), including six marine turtles, seven dolphins, dugongs, five sharks and 13 batoids. All species were found to be at medium to high risk from tunnel net fishing activities. The risk profiles for SOCC were heavily influenced by the biological attributes (productivity); particularly those relating to their longevity and reproductive outputs. The Level 2 ERA made a list of recommendations to assist in the management and mitigation of risk in the Large Mesh Net Fishery. A number of these measures are already being discussed and considered as part of the Queensland Sustainable Fisheries Strategy 2017–2027 and will be progressed through the East Coast Inshore Fishery Working Group

    Gulf of Carpentaria Inshore Fishery Level 2 Ecological Risk Assessment [Species of Conservation Concern]

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    The Queensland Ecological Risk Assessment Guideline (the Guideline) was released in March 2018 as part of the Queensland Sustainable Fisheries Strategy 2017–2027. This Guideline provides an overview of strategy being employed to develop Ecological Risk Assessments (ERAs) for Queensland’s fisheries. The Guideline describes a four-stage framework consisting of a Scoping Study; a Level 1, whole of fishery qualitative assessment; a Level 2, species-specific semi-quantitative or low-data quantitative assessment and; a Level 3 quantitative assessment (if applicable). A Scoping Study and Level 1 ERA for the Gulf of Carpentaria Inshore Fishery was released in December 2019 (Jacobsen et al. 2019). The Level 1 assessment identified ecological components at higher risk from net fishing activities, and these were progressed to a Level 2 assessment. Level 2 ERAs are focused at the species level with risk evaluations based on a Productivity & Susceptibility Analysis (PSA). The PSA evaluates risk for each species through an assessment of seven biological attributes and four fisheries-specific attributes. Based on the outputs of the Level 1 ERA and following a species prioritisation process, the Gulf of Carpentaria Inshore Fishery Level 2 ERA assessed risk for 27 Species of Conservation Concern (SOCC), including six marine turtles, six dolphins, dugongs, four sharks and ten batoids. All species were found to be at high risk from inshore net fishing activities. The risk profiles for SOCC were heavily influenced by the biological attributes (productivity); particularly those relating to their longevity and reproductive outputs. The Level 2 ERA made a list of recommendations to assist in the management and mitigation of risk in the Gulf of Carpentaria Inshore Fishery. A number of these measures are already being discussed and considered as part of the Queensland Sustainable Fisheries Strategy 2017–2027 and will be progressed through the Gulf of Carpentaria Inshore Fishery Working Group

    Gulf of Carpentaria Inshore Fishery Level 2 Ecological Risk Assessment [Target & Byproduct Species]

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    The Queensland Ecological Risk Assessment Guideline (the Guideline) was released in March 2018 as part of the Queensland Sustainable Fisheries Strategy 2017–2027. This Guideline provides an overview of strategy being employed to develop Ecological Risk Assessments (ERAs) for Queensland’s fisheries. The Guideline describes a four-stage framework consisting of a Scoping Study; a Level 1, whole of fishery qualitative assessment; a Level 2, species-specific semi-quantitative or low-data quantitative assessment and; a Level 3 quantitative assessment (if applicable). A Scoping Study and Level 1 ERA for the Gulf of Carpentaria Inshore Fishery was released in December 2019 (Jacobsen et al., 2019). The Level 1 assessment identified ecological components at higher risk from net fishing activities, and these were progressed to a Level 2 assessment. Level 2 ERAs are focused at the species level with risk evaluations based on a Productivity & Susceptibility Analysis (PSA). The PSA evaluates risk for each species through an assessment of seven biological attributes and up to seven fisheries-specific attributes. Based on the outputs of the Level 1 ERA and following a species prioritisation process, the Gulf of Carpentaria Inshore Fishery Level 2 ERA assessed risk for 15 target & byproduct species: eight teleosts and seven sharks. All target & byproduct species were found to be at medium to high risk from net fishing activities. The risk profiles for sharks were heavily influenced by the biological attributes (productivity); particularly those relating to their longevity and reproductive outputs. The Level 2 ERA made a list of recommendations to assist in the management and mitigation of risk in the Gulf of Carpentaria Inshore Fishery. A number of these measures are already being discussed and considered as part of the Queensland Sustainable Fisheries Strategy 2017–2027 and will be progressed through the Gulf of Carpentaria Inshore Fishery Working Group

    Variable-focus microscopy and UV surface dissolution imaging as complementary techniques in intrinsic dissolution rate determination

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    This work reports a novel approach to the assessment of the surface properties of compacts used in Surface Dissolution Imaging (SDI). SDI is useful for determining intrinsic dissolution rate (IDR), an important parameter in early stage drug development. Surface topography, post-compaction and post-SDI run, have been measured using a non-contact, optical, three-dimensional microscope based on focus variation, the Alicona Infinite Focus Microscope, with the aim of correlating the IDRs to the surface properties. Ibuprofen (IBU) was used as a model poorly-soluble drug. DSC and XRD were used to monitor possible polymorphic changes that may have occurred post-compaction and post-SDI run. IBUs IDR decreased from 0.033 mg/min/cm2 to 0.022 mg/min/cm2 from 10 to 20 min, respectively, during the experiment. XRD and DSC showed no form changes during the SDI run. The surface topography images showed that a distinct imprint was embossed on the surfaces of some compacts which could affect IDRs. Surface parameter values were associated with the SDI experiments which showed strong correlations with the IDR values. The variable-focus microscope can be used as a complimentary tool in the determination of IDR values from the SDI
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