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Department of Primary Industries and Regional Development, Western Australia

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Articles 361 - 390 of 2271

Full-Text Articles in Animal Sciences

Joining The Dots On Ten Key Northern Beef Futures Informing Studies, Acil Allen Consulting Jul 2018

Joining The Dots On Ten Key Northern Beef Futures Informing Studies, Acil Allen Consulting

Animal production and livestock published reports

This report summarises findings from 10 completed first phase studies which were selected to:

  • outline constraints and opportunities at specific points in the supply chain identified by NBF
  • “joining the dots” in terms of what the NBF findings mean across the whole northern beef industry.


Management Strategies To Minimize The Dredging Impacts Of Coastal Development On Fish And Fisheries, Amelia S. Wenger, Christopher A. Rawson, Shaun K. Wilson, Stephen J. Newman, Michael J. Travers, Scott Atkinson, Nicola Browne, Douglas Clarke, Martial Depczynski, Paul L A Erftemeijer, Richard D. Evans, Jean-Paul A. Hobbs, Jennifer L. Mcilwain, Dianne Mclean, Benjamin J. Saunders, Euan S. Harvey Jun 2018

Management Strategies To Minimize The Dredging Impacts Of Coastal Development On Fish And Fisheries, Amelia S. Wenger, Christopher A. Rawson, Shaun K. Wilson, Stephen J. Newman, Michael J. Travers, Scott Atkinson, Nicola Browne, Douglas Clarke, Martial Depczynski, Paul L A Erftemeijer, Richard D. Evans, Jean-Paul A. Hobbs, Jennifer L. Mcilwain, Dianne Mclean, Benjamin J. Saunders, Euan S. Harvey

Fisheries Research Articles

Accelerating coastal development and shipping activities dictate that dredging operations will intensify, increasing potential impacts to fishes. Coastal fishes have high economic, ecological, and conservation significance and there is a need for evidence-based, quantitative guidelines on how to mitigate the impacts of dredging activities. We assess the potential risk from dredging to coastal fish and fisheries on a global scale. We then develop quantitative guidelines for two management strategies: threshold reference values and seasonal restrictions. Globally, threatened species and nearshore fisheries occur within close proximity to ports. We find that maintaining suspended sediment concentrations below 44 mg/L (15–121 bootstrapped CI) …


Risk Assessment Of The Potential Impacts Of Seismic Air Gun Surveys On Marine Finfish And Invertebrates In Western Australia, F J. Webster, Brent S. Wise, H Kemps, Warrick Fletcher Jun 2018

Risk Assessment Of The Potential Impacts Of Seismic Air Gun Surveys On Marine Finfish And Invertebrates In Western Australia, F J. Webster, Brent S. Wise, H Kemps, Warrick Fletcher

Fisheries Research Reports

Seismic surveys have the potential to affect marine life, including commercially and recreationally important finfish and invertebrate species and their prey. There is, however, considerable uncertainty around the degree of impact and relevant pressure-response pathways across the different taxonomic groups.


Pearl Oyster (Pinctada Maxima) Resource Allocation Report / By The Integrated Fisheries Allocation Advisory Committee, Western Australia. Department Of Fisheries, Integrated Fisheries Allocation Advisory Committee Jun 2018

Pearl Oyster (Pinctada Maxima) Resource Allocation Report / By The Integrated Fisheries Allocation Advisory Committee, Western Australia. Department Of Fisheries, Integrated Fisheries Allocation Advisory Committee

Fisheries Management Papers

This report documents the Allocation Committee’s final position and recommendations on the allocations for the Pinctada maxima resource and has been prepared for consideration by the Minister to determine the allocation of the Pinctada maxima resource.


Pearl Oyster (Pinctada Maxima) Resource Allocation Report : Prepared By The Integrated Fisheries Allocation Advisory Committee, Department Of Fisheries Jun 2018

Pearl Oyster (Pinctada Maxima) Resource Allocation Report : Prepared By The Integrated Fisheries Allocation Advisory Committee, Department Of Fisheries

Fisheries Management Papers

No abstract provided.


Geography And Island Geomorphology Shape Fish Assemblage Structure On Isolated Coral Reef Systems, Scott Bennett, Andrew R. Halford, Howard Choat, Jean-Paul A. Hobbs, Julia Santana-Garcon, Anthony M. Ayling, Euan S. Harvey, Stephen J. Newman May 2018

Geography And Island Geomorphology Shape Fish Assemblage Structure On Isolated Coral Reef Systems, Scott Bennett, Andrew R. Halford, Howard Choat, Jean-Paul A. Hobbs, Julia Santana-Garcon, Anthony M. Ayling, Euan S. Harvey, Stephen J. Newman

Fisheries Research Articles

We quantify the relative importance of multi-scale drivers of reef fish assemblage structure on isolated coral reefs at the intersection of the Indian and Indo-Pacific biogeographical provinces. Large (>30 cm), functionally-important and commonly targeted species of fish, were surveyed on the outer reef crest/front at 38 coral reef sites spread across three oceanic coral reef systems (i.e. Christmas Island, Cocos (Keeling) Islands and the Rowley Shoals), in the tropical Indian Ocean (c. 1.126 x 106 km2). The effects of coral cover, exposure, fishing pressure, lagoon size and geographical context, on observed patterns of fish assemblage structure were …


Western Australian Sea Cucumber Resource - Harvest Strategy 2018-2023, Department Of Primary Industries And Regional Development May 2018

Western Australian Sea Cucumber Resource - Harvest Strategy 2018-2023, Department Of Primary Industries And Regional Development

Fisheries Management Papers

This publication of harvest strategies is intended to make the decision-making considerations and processes for the management of specified aquatic resources publicly transparent and provide a basis for informed dialogue on management actions with resource users and other stakeholders.


Draft Management Plan For The Pilbara Crab Managed Fishery, Western Australia. Department Of Primary Industries And Regional Development May 2018

Draft Management Plan For The Pilbara Crab Managed Fishery, Western Australia. Department Of Primary Industries And Regional Development

Fisheries Management Papers

An Instrument of Exemption currently allows for commercial fishing for crabs in the Pilbara. The Pilbara crab resource has been accessed commercially through the Pilbara Developing Crab Fishery (Developing Fishery) since it commenced in 2001, with the majority of effort being undertaken in Nickol Bay, near Dampier. Crab stocks in the Pilbara region are highly variable which can be attributed to environmental fluctuation, however, catches have remained steady over the past five years.


Draft Management Plan For The Pilbara Crab Managed Fishery, Department Of Primary Industries & Regional Development May 2018

Draft Management Plan For The Pilbara Crab Managed Fishery, Department Of Primary Industries & Regional Development

Fisheries Management Papers

There are currently five Instruments of Exemption which allow for commercial fishing for crab in the Kimberley Developing Crab Fishery (Developing Fishery). Three of the Exemptions are held by non-indigenous commercial operators, and two are held by Aboriginal Body-C orporates who fish in smaller areas with the consent of traditional owners. These Exemption holders have been accessing the Developing Fishery since it first commenced in 2006. The total catch of mud crab for the Developing Fishery peaked in 2015 at 15.3t. This catch represented a 20% increase on the reported catch from 2014 and is 39% higher than catches recorded …


Draft Management Plan For The Kimberley Crab Managed Fishery, Department Of Fisheries May 2018

Draft Management Plan For The Kimberley Crab Managed Fishery, Department Of Fisheries

Fisheries Management Papers

No abstract provided.


Draft Management Plan For The Pilbara Crab Managed Fishery, Department Of Fisheries May 2018

Draft Management Plan For The Pilbara Crab Managed Fishery, Department Of Fisheries

Fisheries Management Papers

No abstract provided.


Octopus Resource Of Western Australia Harvest Strategy 2018-2022. Version 1.0, Western Australia. Department Of Primary Industries And Regional Development Apr 2018

Octopus Resource Of Western Australia Harvest Strategy 2018-2022. Version 1.0, Western Australia. Department Of Primary Industries And Regional Development

Fisheries Management Papers

Harvest strategies for aquatic resources managed by the Western Australian (WA) Department of Primary Industries and Regional Development (DPIRD) are formal documents that are prepared based on a formal policy (Department of Fisheries 2015) to support the decision-making processes and ensure consistency with the principles of Ecologically Sustainable Development (ESD; Fletcher 2002) and Ecosystem Based Fisheries Management (EBFM; Fletcher et al. 2010). The objectives of ESD are reflected in the objects of the Fish Resources Management Act 1994 (FRMA), Section 3, and the Aquatic Resources Management Act (ARMA) 2016, Clause 9, which will replace the FRMA once enacted.


Octopus Resource Of Western Australia Harvest Strategy : 2018 – 2022 : Version 1.0, Department Of Fisheries Apr 2018

Octopus Resource Of Western Australia Harvest Strategy : 2018 – 2022 : Version 1.0, Department Of Fisheries

Fisheries Management Papers

No abstract provided.


Managing Pregnancy In Ewes, Department Of Primary Industries And Regional Development, Western Australia Mar 2018

Managing Pregnancy In Ewes, Department Of Primary Industries And Regional Development, Western Australia

Animal production and livestock factsheets

The health and nutrition of the pregnant ewe largely determines how successful lambing is in any given year.

Careful monitoring and management of the pregnant ewe during the 5-month foetal development will help her cope with the rigours of birth and lactation, and also influence lamb survival, birthweight and production for life.


Summary Of The Stock Structure Information Used For Determining Spatial Management Of The Index Species For The Scalefish Resources Of Northern Western Australia, Daniel J. Gaughan, Stephen J. Newman, Corey B. Wakefield Feb 2018

Summary Of The Stock Structure Information Used For Determining Spatial Management Of The Index Species For The Scalefish Resources Of Northern Western Australia, Daniel J. Gaughan, Stephen J. Newman, Corey B. Wakefield

WA Marine Stewardship Council report series

This paper was specifically developed in response to issues raised in an assessment of the Pilbara Trap Managed Fishery (PTMF) against the fishery sustainability standard of the Marine Stewardship Council (MSC).


Improving Confidence In The Management Of The Blue Swimmer Crab (Portunus Armatus) In Shark Bay Part Ii: Socio-Economic Significance Of Commercial Blue Swimmer Crabs In Shark Bay. Frdc Project No. 2012/15, R Daley, I Van Putten Feb 2018

Improving Confidence In The Management Of The Blue Swimmer Crab (Portunus Armatus) In Shark Bay Part Ii: Socio-Economic Significance Of Commercial Blue Swimmer Crabs In Shark Bay. Frdc Project No. 2012/15, R Daley, I Van Putten

Fisheries Research Reports

The Shark Bay crab fishery is faced with substantial changes. The fishery reopened in late 2013 after a 18 month closure due to a significant stock decline from adverse environmental conditions. The stock is now recovering and The Department of Fisheries Western Australia (DFWA) has implemented substantial management changes including the introduction of catch quotas to limit the catches of individual fishing businesses and a Total Allowable Commercial Catch (TACC) for the fishery. Fishers are challenged with adapting to the changes in management and inter-annual variability in crab catch volume linked to environmental conditions.


Improving Confidence In The Management Of The Blue Swimmer Crab (Portunus Armatus) In Shark Bay. Part I : Rebuilding Of The Shark Bay Crab Fishery. Frdc Project No. 2012/15, Arani Chandrapavan, Mervi Kangas, Danielle Johnston, Nicolavito Caputi, Alexander Hesp, Ainslie Maree Denham, Errol Sporer Feb 2018

Improving Confidence In The Management Of The Blue Swimmer Crab (Portunus Armatus) In Shark Bay. Part I : Rebuilding Of The Shark Bay Crab Fishery. Frdc Project No. 2012/15, Arani Chandrapavan, Mervi Kangas, Danielle Johnston, Nicolavito Caputi, Alexander Hesp, Ainslie Maree Denham, Errol Sporer

Fisheries Research Reports

This, and the accompanying Part II report, summarise the results of the research activities undertaken on the blue swimmer crab stock in Shark Bay by the Department of Fisheries, Western Australia, which were done in collaboration with commercial fishers, fishery managers and economic analysts between 2012 and 2016.


Improving Confidence In The Management Of The Blue Swimmer Crab (Portunus Armatus) In Shark Bay Part Iii: Proceedings Of The Third National Workshop On Blue Swimmer Crab Portunus Armatus Western Australian Fisheries And Marine Research Laboratories, Hillarys, Perth, 3 – 4 June 2015. Frdc Project No. 2012/15, Arani Chandrapavan Feb 2018

Improving Confidence In The Management Of The Blue Swimmer Crab (Portunus Armatus) In Shark Bay Part Iii: Proceedings Of The Third National Workshop On Blue Swimmer Crab Portunus Armatus Western Australian Fisheries And Marine Research Laboratories, Hillarys, Perth, 3 – 4 June 2015. Frdc Project No. 2012/15, Arani Chandrapavan

Fisheries Research Reports

The ‘Third National Workshop on Blue Swimmer Crab’ was organised and held at Department of Fisheries (Western Australia) in Hillarys (3-4 June, 2015), almost 15 years after the second workshop in 1997. The workshop brought together fisheries scientists, managers, university researchers, consultants, industry stakeholders and fishers from across Queensland, New South Wales, South Australia, Tasmania and Western Australia and addressed six broad themed sessions;

• State overview of blue swimmer crab commercial fisheries

• Monitoring, stock assessment and harvest strategy

• Environmental drivers and climate change

• Blue swimmer crabs….from the sea to the plate

• Recreational fishing and surveys …


Resource Assessment Report Western Australian Sea Cucumber Resource, Anthony M. Hart, D. V. Murphy, N Caputi, Alexander Hesp, E. A. Fisher Jan 2018

Resource Assessment Report Western Australian Sea Cucumber Resource, Anthony M. Hart, D. V. Murphy, N Caputi, Alexander Hesp, E. A. Fisher

WA Marine Stewardship Council report series

This document provides a cumulative description and assessment of the Sea Cucumber Resource and all of the fishing activities (i.e. fisheries / fishing sectors) affecting this resource in Western Australia (WA). The overall resource comprises two main species (sandfish Holothuria scabra and redfish Actinopyga echinites), and few minor species that inhabit the tropical shallow continental shelf waters of the North Coast Bioregion.


Resource Assessment Report Western Australian Octopus Resource, Anthony M. Hart, Daniel Murphy, Alastair Harry, E. A. Fisher Jan 2018

Resource Assessment Report Western Australian Octopus Resource, Anthony M. Hart, Daniel Murphy, Alastair Harry, E. A. Fisher

WA Marine Stewardship Council report series

This document provides a cumulative description and assessment of the Octopus Resource and all of the fishing activities (i.e. fisheries / fishing sectors) affecting this resource in Western Australia (WA). The overall resource essentially comprises a single species of octopus, Octopus aff. tetricus, which occurs in inshore waters to 70 m depth from Shark Bay to Esperance.


Improving Subtropical Grass Pastures On The South Coast Of Western Australia, Paul Sanford, Ron Master, Eric Dobbe Jan 2018

Improving Subtropical Grass Pastures On The South Coast Of Western Australia, Paul Sanford, Ron Master, Eric Dobbe

Bulletins 4000 -

This bulletin reports on the findings of a research project funded by DPIRD and MLA that investigated methods to improve legume content and increase production of both kikuyuand panic-based pastures on the south coast of WA.


Marking Rate Scenarios For The Wa Sheep Flock, Kate Pritchett Jan 2018

Marking Rate Scenarios For The Wa Sheep Flock, Kate Pritchett

Animal production and livestock research reports

The Western Australian sheep flock has been in a state of decline since 1990 when it peaked at 38.4 million head. As of mid-2016 the flock has reached a low of 13.9 million total sheep and lambs.


Status Reports Of The Fisheries And Aquatic Resources Of Western Australia 2016/17. State Of The Fisheries, Daniel J. Gaughan, K. Santoro Jan 2018

Status Reports Of The Fisheries And Aquatic Resources Of Western Australia 2016/17. State Of The Fisheries, Daniel J. Gaughan, K. Santoro

Status Reports of the Fisheries and Aquatic Resources

The Status Reports of the Fisheries and Aquatic Resources of Western Australia (SRFAR) provide an annual update on the state of the fish stocks and other aquatic resources of Western Australia (WA). These reports outline the most recent assessments of the cumulative risk status for each of the aquatic resources (assets) within WA’s six Bioregions using an Ecosystem Based Fisheries Management (EBFM) approach.


Oceanic, Latitudinal, And Sex-Specific Variation In Demography Of A Tropical Deepwater Snapper Across The Indo-Pacific Region, Ashley J. Williams, C. Wakefield, Stephen J. Newman, Elodie Vourey, Francisco J. Abascal, Tuikolongahau Halafihi, Jeremie Kaltavara, Simon J. Nicol Dec 2017

Oceanic, Latitudinal, And Sex-Specific Variation In Demography Of A Tropical Deepwater Snapper Across The Indo-Pacific Region, Ashley J. Williams, C. Wakefield, Stephen J. Newman, Elodie Vourey, Francisco J. Abascal, Tuikolongahau Halafihi, Jeremie Kaltavara, Simon J. Nicol

Fisheries Research Articles

Deepwater tropical fisheries provide an important source of income and protein to Pacific and Indian Ocean coastal communities who are highly dependent on fish for food security. The development of quantitative assessments and management strategies for these deepwater fisheries has been hindered by insufficient biological and fisheries data. We examine the age-specific demography of the pygmy ruby snapper Etelis carbunculus, an important target species in tropical deepwater fisheries, across 90° of longitude and 20° of latitude in the Pacific and Indian Oceans. Our results show that growth of E. carbunculus varies significantly between oceans and sexes and across latitudes …


Statewide Survey Of Boat-Based Recreational Fishing In Western Australia 2015/16, Karina L. Ryan, Norman G. Hall, Eva K. Lai, Claire B. Smallwood, S.M Taylor, Brent Stephen Dec 2017

Statewide Survey Of Boat-Based Recreational Fishing In Western Australia 2015/16, Karina L. Ryan, Norman G. Hall, Eva K. Lai, Claire B. Smallwood, S.M Taylor, Brent Stephen

Fisheries Research Reports

The statewide survey of boat-based recreational fishing includes three components: (i) off-site Phone Surveys (encompassing an initial Screening Survey, a longitudinal Phone-Diary Survey, and Post-Enumeration Surveys); (ii) on-site Boat Ramp Surveys; and (iii) a Remote Camera Survey.


Aquaculture Development Plans, Department Of Fisheries Dec 2017

Aquaculture Development Plans, Department Of Fisheries

Fisheries Occasional Publications

Principles and Guidelines Relating to Aquaculture Development Plans to address Performance Criteria for Aquaculture Licences and Leases


North Coast Demersal Scalefish Resource Harvest Strategy : 2017 – 2021 : Version 1.0, Department Of Fisheries Nov 2017

North Coast Demersal Scalefish Resource Harvest Strategy : 2017 – 2021 : Version 1.0, Department Of Fisheries

Fisheries Management Papers

No abstract provided.


North Coast Demersal Scalefish Resource Harvest Strategy : 2017 – 2021 : Version 1.0, Department Of Fisheries Nov 2017

North Coast Demersal Scalefish Resource Harvest Strategy : 2017 – 2021 : Version 1.0, Department Of Fisheries

Fisheries Management Papers

No abstract provided.


Sheep And Goat Industry Funding Scheme 2016/2017, Department Of Primary Industries And Regional Development, Western Australia Nov 2017

Sheep And Goat Industry Funding Scheme 2016/2017, Department Of Primary Industries And Regional Development, Western Australia

Biosecurity published reports

The Sheep and Goat Industry Funding Scheme (IFS) has been operating since 2010 to address biosecurity threats relevant to the Western Australian (WA) sheep and goat industry. The Scheme was established by regulation under the Biosecurity and Agriculture Management Act 2007 to enable sheep and goat producers to identify pest and disease priorities at a whole-of-industry level and raise funds for activities to address these priorities.

There are currently three Industry Funding Schemes in operation. In addition to the Sheep and Goat IFS, there is a Cattle IFS and a Grains, Seeds and Hay IFS. The three IFSs operate in …


Cattle Industry Funding Scheme Annual Report 2016/2017, Department Of Primary Industries And Regional Development, Western Australia Nov 2017

Cattle Industry Funding Scheme Annual Report 2016/2017, Department Of Primary Industries And Regional Development, Western Australia

Biosecurity published reports

In June 2010 the Cattle Industry Funding Scheme (IFS) was introduced to address biosecurity threats relevant to the Western Australian (WA) cattle industry. The Scheme was established under the Biosecurity and Agriculture Management Act 2007 to enable cattle producers to identify the pest and disease priorities at a whole-of-industry level and to raise funds for activities to address these priorities.

There are currently three Industry Funding Schemes in operation. In addition to the Cattle IFS, there is a Sheep and Goat IFS and a Grains, Seeds and Hay IFS. The three IFSs operate in a similar manner.

The purpose of …