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Articles 391 - 420 of 2909
Full-Text Articles in Physical Sciences and Mathematics
Peel Business Park Transition Strategy, Ghd
Peel Business Park Transition Strategy, Ghd
Natural resources commissioned reports
Transform Peel
Transform Peel is a $49m Royalties for Regions funded program aimed at achieving job creation, sustainable growth and economic development in the Peel Region. The Peel Development Commission and its partners, intend to implement this program over 35 years where projections estimate that 35,000 jobs will be created generating an approximate $16.2b per annum economic output by 2050. Located in the Shires of Murray and Serpentine Jarrahdale, the program comprises three integrated, strategic elements, the Peel Business Park (PBP), the Peel Food Zone (PFZ) and the Peel Integrated Water Initiative.
The Department of Primary Industries and Regional Development …
The Utility Of Bioenergetics Modelling In Quantifying Predation Rates Of Marine Apex Predators: Ecological And Fisheries Implications, A. Barnett, M. Braccini, C. L. Dudgeon, N. L. Payne, K. G. Abrantes, M. Sheaves, E. P. Snelling
The Utility Of Bioenergetics Modelling In Quantifying Predation Rates Of Marine Apex Predators: Ecological And Fisheries Implications, A. Barnett, M. Braccini, C. L. Dudgeon, N. L. Payne, K. G. Abrantes, M. Sheaves, E. P. Snelling
Fisheries Research Articles
Predators play a crucial role in the structure and function of ecosystems. However, the magnitude of this role is often unclear, particularly for large marine predators, as predation rates are difficult to measure directly. If relevant biotic and abiotic parameters can be obtained, then bioenergetics modelling offers an alternative approach to estimating predation rates, and can provide new insights into ecological processes. We integrate demographic and ecological data for a marine apex predator, the broadnose sevengill shark Notorynchus cepedianus, with energetics data from the literature, to construct a bioenergetics model to quantify predation rates on key fisheries species in …
Gouldian Finch Non Breeding Counts 2017: Ord-East Kimberley Expansion Project - Weaber Plain Development Area, Save The Gouldian Fund
Gouldian Finch Non Breeding Counts 2017: Ord-East Kimberley Expansion Project - Weaber Plain Development Area, Save The Gouldian Fund
Irrigated Agricultural Development in the North
As part of the requirement for State approval under the Environment Protection and Biodiversity Conservation Act 1999, an assessment and regular monitoring of the endangered Gouldian finch (Erythrura gouldiae) is required during the operation of the Ord River Irrigation Area Weaber Plain Development Project in Kimberley, Western Australia. This report details the findings from surveys of non-breeding Gouldian finches.
In accordance with the EPBC Act (6AIV) and GFMP (3-4) conditions, this work specifically provides:
1) Gouldian finch counts of the non-breeding population.
Managing Opuntioid Cacti In Australia - Best Practice Control Manual For Austrocylindropuntia, Cylindropuntia And Optunia Species, M. R. Sheehan, S. Potter
Managing Opuntioid Cacti In Australia - Best Practice Control Manual For Austrocylindropuntia, Cylindropuntia And Optunia Species, M. R. Sheehan, S. Potter
Biosecurity published reports
The twenty-seven species of opuntioid cacti that are recognised as Weeds of National Significance are some of Australia's worst weeds. They grow over a wide climatic range and have impacted on pastoral and agricultural use of large tracts of land; pose an environmental risk to wildlife; and reduce aesthetic and recreational use, with direct impact on human safety.
Weedy infestations occur in all states and territories. Some are extensive, covering hundreds of thousands of hectares with a significant potential for range expansion
Over time there has been a substantial effort by government, industry, landholders and community groups to manage opuntioid …
Gouldian Finch Breeding Surveys 2017: Ord-East Kimberley Expansion Project - Weaber Plain Development Area, Sarah R. Pryke
Gouldian Finch Breeding Surveys 2017: Ord-East Kimberley Expansion Project - Weaber Plain Development Area, Sarah R. Pryke
Irrigated Agricultural Development in the North
As part of the requirement for State approval under the Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act) and the Gouldian Finch Management Plan (GFMP), a baseline assessment and on-going monitoring of the endangered Gouldian finch (Erythrura gouldiae) is required during the construction and operation of the Ord River Irrigation Area Weaber Plain Development Project in the eastern Kimberley, Western Australia. This report details the findings from surveys of Gouldian finches during their annual breeding season (2017).
The Application Of Aem To Mapping The Aquifer And Groundwater Characteristics Of The La Grange Groundwater Area, Wa, David Annetts, Tim Munday, Richard J. George Dr, Nicholas J. Wright, Gregory Paul Raper, Kevin Cahill
The Application Of Aem To Mapping The Aquifer And Groundwater Characteristics Of The La Grange Groundwater Area, Wa, David Annetts, Tim Munday, Richard J. George Dr, Nicholas J. Wright, Gregory Paul Raper, Kevin Cahill
Natural resources commissioned reports
This report describes the interpretation of a large airborne electromagnetic data survey that was designed to aid characterisation of groundwater systems in the La Grange groundwater allocation area which lies south of Broome, Western Australia. Characterisation of these systems is critical to developing policy around water use in the region, especially for the development of agriculture. This report is the second of two reports and it is designed to refine surfaces which are used as inputs to groundwater models. The volume defined by these surfaces viz. the seawater intrusion in the west, the top of the Jarlemai siltstone and the …
Strong Population Structure Deduced From Genetics, Otolith Chemistry And Parasite Abundances Explains Vulnerability To Localized Fishery Collapse In A Large Sciaenid Fish, Protonibea Diacanthus, Laura Taillebois, Diane P. Barton, David Crook, Thor Saunders, Jonathan Taylor, Mark Hearnden, Richard J. Saunders, Stephen J. Newman, Michael J. Travers, David J. Welch, Alan Greig, Christine Dudgeon, Safia Maher, Jennifer Ovenden
Strong Population Structure Deduced From Genetics, Otolith Chemistry And Parasite Abundances Explains Vulnerability To Localized Fishery Collapse In A Large Sciaenid Fish, Protonibea Diacanthus, Laura Taillebois, Diane P. Barton, David Crook, Thor Saunders, Jonathan Taylor, Mark Hearnden, Richard J. Saunders, Stephen J. Newman, Michael J. Travers, David J. Welch, Alan Greig, Christine Dudgeon, Safia Maher, Jennifer Ovenden
Fisheries Research Articles
As pressure on coastal marine resources is increasing globally, the need to quantitatively assess vulnerable fish stocks is crucial in order to avoid the ecological consequences of stock depletions. Species of Sciaenidae (croakers, drums) are important components of tropical and temperate fisheries and are especially vulnerable to exploitation. The black-spotted croaker, Protonibea diacanthus, is the only large sciaenid in coastal waters of northern Australia where it is targeted by commercial, recreational and indigenous fishers due to its food value and predictable aggregating behaviour. Localized declines in the abundance of this species have been observed, highlighting the urgent requirement by managers …
Planning For The Proposed Peel Food Zone, Ghd
Planning For The Proposed Peel Food Zone, Ghd
Natural resources commissioned reports
Transform Peel is a $49m Royalties for Regions funded program. This program is broadly regarded as transformational for the Peel region in terms of job creation, sustainable growth and economic development. The Peel Development Commission and its partners, intend to implement this program over 35 years where projections estimate that 35 000 jobs will be created generating an approximate $16.2b per annum economic output by 2050. Located in the Shires of Murray and Serpentine Jarrahdale, the program comprises three integrated, strategic elements: Peel Food Zone; Peel Business Park; Peel Integrated Water Initiative.
The Department of Agriculture and Food, Western Australia …
Gouldian Finch Non Breeding Population And Habitat Assessment 2017: Ord-East Kimberley Expansion Project - Weaber Plain Development Area, Save The Gouldian Fund
Gouldian Finch Non Breeding Population And Habitat Assessment 2017: Ord-East Kimberley Expansion Project - Weaber Plain Development Area, Save The Gouldian Fund
Irrigated Agricultural Development in the North
As part of the requirement for State approval under the Environment Protection and Biodiversity Conservation Act 1999, an assessment and regular monitoring of the endangered Gouldian finch (Erythrura gouldiae) is required during the operation of the Ord River Irrigation Area Weaber Plain Development Project in the Kimberley, Western Australia. This report details the findings from the habitat and vegetation surveys of non breeding Gouldian finches (October 2016 – April 2017).
Ord River Irrigation Area Stage 2: M2 Supply Channel - Compliance Assessment Report 2016 - Statement 938, Stratagen
Reports
The WA Minister for State Development (the proponent) has approval to develop land for irrigated agriculture across the Weaber, Keep River and Knox Creek Plains, located north-northeast of Kununurra in the eastern Kimberley region of WA and extends to the Keep River estuary in the Northern Territory. The area of development (M2 Area) is immediately northeast of the existing Ord River Irrigation Area (ORIA), with proposed development representing the second stage of the ORIA scheme. It comprises approximately 76 000 ha (including Buffer Areas) and a key part of the development is main irrigation channel (the ‘M2 channel’), that extends …
Epbc 2010/5491: Weaber Plain Development Project Annual Environmental Report - 1st May 2016 To 30th April 2017, Department Of State Development
Epbc 2010/5491: Weaber Plain Development Project Annual Environmental Report - 1st May 2016 To 30th April 2017, Department Of State Development
Reports
This 2017 Ord EPBC Compliance Report has been developed in accordance with Condition 3 of the Federal Environmental Approval for the Weaber Plain Development Project, EPBC 2010/5491.
Ecosystem-Based Fisheries Management (Ebfm) Risk Assessment Of The Western Australian Abalone Managed Industry, F J. Webster, B Wise, Anthony M. Hart
Ecosystem-Based Fisheries Management (Ebfm) Risk Assessment Of The Western Australian Abalone Managed Industry, F J. Webster, B Wise, Anthony M. Hart
WA Marine Stewardship Council report series
This report provides a comprehensive overview of the Western Australian (WA) Abalone Managed Fishery (AMF) and the outcomes from the 2015 ecological risk assessment of this fishery. The AMF targets three species of abalone greenlip (Haliotis laevigata), brownlip (H. conicopora) and Roe’s abalone (H. roei). Greenlip and brownlip abalone are primarily targeted on the south coast of WA, while Roe’s abalone is primarily targeted on the West Coast. Commercial fishing for abalone in WA has been undertaken since 1964.
A Critical Analysis Of The Direct Effects Of Dredging On Fish, Amelia S. Wenger, Euan S. Harvey, Shaun K. Wilson, Christopher A. Rawson, Stephen J. Newman, Douglas Clarke, Benjamin J. Saunders, Nicola Browne, Michael J. Travers, Jennifer L. Mcilwain, Paul L A Erftemeijer, Jean-Paul A. Hobbs, Dianne L. Mclean, Martial Depczynski, Richard D. Evans
A Critical Analysis Of The Direct Effects Of Dredging On Fish, Amelia S. Wenger, Euan S. Harvey, Shaun K. Wilson, Christopher A. Rawson, Stephen J. Newman, Douglas Clarke, Benjamin J. Saunders, Nicola Browne, Michael J. Travers, Jennifer L. Mcilwain, Paul L A Erftemeijer, Jean-Paul A. Hobbs, Dianne L. Mclean, Martial Depczynski, Richard D. Evans
Fisheries Research Articles
Dredging can have significant impacts on aquatic environments, but the direct effects on fish have not been critically evaluated. Here, a meta-analysis following a conservative approach is used to understand how dredging-related stressors, including suspended sediment, contaminated sediment, hydraulic entrainment and underwater noise, directly influence the effect size and the response elicited in fish across all aquatic ecosystems and all life-history stages. This is followed by an in-depth review summarizing the effects of each dredging-related stressor on fish. Across all dredging-related stressors, studies that reported fish mortality had significantly higher effect sizes than those that describe physiological responses, although indicators …
Carnarvon Artesian Desalination Feasibility Study, Ghd, Carnarvon Growers Association, Gascoyne Water Co-Operative
Carnarvon Artesian Desalination Feasibility Study, Ghd, Carnarvon Growers Association, Gascoyne Water Co-Operative
Research Reports
Study scope
The scope of the study is summarised below;
Review existing data and previous work,
Visit Carnarvon (1 day), inspect water system facilities and convene Stakeholder Workshop No 1 with representatives from Carnarvon Growers Association, Gascoyne Water Co-operative and DAFWA. Agree 3 – 4 possible system configuration options to be investigated.
Obtain and examine existing water quality data for artesian bore(s) incorporated within the study. Assess probable long term water quality and pumping heads.
Develop preliminary design details for the agreed options in terms of pre-treatment, desalination and other system modifications required (eg bores, pump …
Marine Stewardship Council Full Assessment Report Western Australian Abalone Managed Fishery, Anthony M. Hart, Lachlan W.S. Strain, Alexander Hesp, E. Fisher, F J. Webster, S. J. Brand-Gardner, S. Walters
Marine Stewardship Council Full Assessment Report Western Australian Abalone Managed Fishery, Anthony M. Hart, Lachlan W.S. Strain, Alexander Hesp, E. Fisher, F J. Webster, S. J. Brand-Gardner, S. Walters
WA Marine Stewardship Council report series
This report provides a comprehensive description of the Abalone Managed Fishery (AMF) in Western Australia (WA) and contains information relevant to assist with the assessment of this fishery against the Marine Stewardship Council (MSC) standard (v2.0) for sustainable fishing. Fishers in the AMF harvest three species; Roe’s abalone (Haliotis roei), Greenlip abalone (H. laevigata) and Brownlip abalone (H. conicopora), through hand collection by diving in shallow waters off the south-western and southern coasts of WA.
Fisheries Management Paper No.283 - Abalone Resource Of Western Australia Harvest Strategy 2106 - 2021, Department Of Fisheries Western Australia
Fisheries Management Paper No.283 - Abalone Resource Of Western Australia Harvest Strategy 2106 - 2021, Department Of Fisheries Western Australia
Fisheries Management Papers
Harvest strategies for aquatic resources managed by the Western Australian Department of Fisheries (the Department) are formal documents prepared to support the decision-making processes required to ensure the management of these resources are consistent with the principles of Ecologically Sustainable Development (ESD). The objectives of ESD are reflected in the objects of the Fish Resources Management Act 1994 (FRMA) and Section 9 of the Aquatic Resources Management Act, which will replace the FRMA once proclaimed.
The publication of these strategies is intended to make the decision-making considerations and processes for the management of specified aquatic resources publicly transparent and provide …
Succession; A Business Strategy, Jan Miller, Department Of Primary Industries And Regional Development, Western Australia
Succession; A Business Strategy, Jan Miller, Department Of Primary Industries And Regional Development, Western Australia
Farm Systems and Economics published reports
Plan, Prepare, Prosper - workshop
This document is part of the Plan, Prepare, Prosper program that was developed under the Pilot of Drought Reform Measures ('the pilot'), a joint initiative between the Australian Government and the Western Australian Government. The program aims to support farmers and rural communities to prepare for drought, climate variability and other challenges.
The Succession planning: A business strategy workshop will help participants to begin and maintain the succession planning process.
This workshop will guide you through the process of exploring, planning and enacting succession planning.
Please use this manual as a checklist to help you …
Report Card On Sustainable Natural Resource Use In The Rangelands: Status And Trend In The Pastoral Rangelands Of Western Australia, Department Of Agriculture And Food, Western Australia
Report Card On Sustainable Natural Resource Use In The Rangelands: Status And Trend In The Pastoral Rangelands Of Western Australia, Department Of Agriculture And Food, Western Australia
Books & book chapters
This report card provides a regional overview of the status and trend of the natural resource base of the pastoral rangelands in Western Australia (WA). It covers the pastoral lease areas of the 2.2 million square kilometres of rangelands in WA (87% of the state). Pastoral leases cover 857 833km2 or 40% of the rangelands, based on active leases as at June 2016.
The drivers of change in the rangelands — seasonal quality, grazing pressure and fire — interact and their effect is expressed in the condition and trends of natural resources used in pastoralism. The natural resource themes …
Frost: Frequently Asked Questions, Department Of Primary Industries And Regional Development, Western Australia
Frost: Frequently Asked Questions, Department Of Primary Industries And Regional Development, Western Australia
Grain and other field crops published reports
Frequently asked questions regarding frost from the National Frost Initiative.
Ironstone Gravel Types In Western Australia: Re-Purposing A Geological Survey To Improve Soil Management, Edward A. Griffin, Karen Holmes, Tim Overheu
Ironstone Gravel Types In Western Australia: Re-Purposing A Geological Survey To Improve Soil Management, Edward A. Griffin, Karen Holmes, Tim Overheu
Conference papers and presentations
The deeply laterised landscapes of Western Australia’s wheatbelt contain large amounts of ferruginous concretions or pisoliths, referred to locally as ironstone gravel. Soil surveys over the years have described ironstone gravel presence and abundance, and the state soil classification system recognises their importance in agriculture by designating ‘ironstone gravel soils’ at the highest level of the classification hierarchy. These gravels have generally been assumed inert in agricultural soils; however, farm trials and anecdotal experience suggest they may play a more active role in nutrient and water retention than previously recognised. Gravelly soil performance under dryland agriculture varies dramatically across the …
Resource Assessment Report Western Rock Lobster Resource Of Western Australia, Simon De Lestang, Nick Caputi, Jason R. How
Resource Assessment Report Western Rock Lobster Resource Of Western Australia, Simon De Lestang, Nick Caputi, Jason R. How
WA Marine Stewardship Council report series
The western rock lobster Panulirus cygnus (George) is taken by commercial and recreational fishers throughout its geographic range along the lower west coast of Western Australia. The main commercial fishery for P. cygnus is the West Coast Rock Lobster Managed Fishery (WCRLMF), which is Australia’s largest single-species fishery, currently worth about $400 million annually. Western rock lobster provides the basis for the economies of a number of coastal towns and also supports a recreational fishery.
Bioenergy And Carbon Farming Opportunities In The Pilbara, Robert Sudmeyer, Kim Brooksbank, David Rogers
Bioenergy And Carbon Farming Opportunities In The Pilbara, Robert Sudmeyer, Kim Brooksbank, David Rogers
Bulletins 4000 -
The Pilbara region covers 270 000 square kilometres of north-west Western Australia. Its main agricultural land use is pastoralism, with beef cattle grazing native pastures. Currently, only 24km2 is under irrigation, with irrigated fodder the principal crop, but this could expand to 100km2. This expansion has the potential to significantly broaden the economic base of the Pilbara.
Irrigation and the opportunities for changing land use and management may facilitate greater participation in the carbon economy by Pilbara land managers. Bioenergy feedstocks could be sourced from purpose-grown crops or agricultural wastes. Carbon farming activities may be facilitated by …
Report On The Condition Trend Of The Western Australian Pastoral Resource Base 2016, Andrew Watson, Philip Thomas
Report On The Condition Trend Of The Western Australian Pastoral Resource Base 2016, Andrew Watson, Philip Thomas
Natural resources published reports
Consistent with the Pastoral Lands Board’s (PLB) direction, data and analyses are reported at the Land Conservation District (LCD) scale. Some caution is urged when interpreting the report as this summary data may mask the variation in condition evident on leases within an LCD.
In the Kimberley, the analyses of the WARMS point data suggest that the trend in rangeland condition indicated by the frequency of desirable perennial grasses is stable. This is consistent with previous recent reports. However, the analyses of MODIS satellite plant cover data and greenness response indicated by NDVI, suggest areas of the Derby – West …
Identifying Soil Constraints That Limit Wheat Yield In The South-West Of Western Australia, Dennis Van Gool
Identifying Soil Constraints That Limit Wheat Yield In The South-West Of Western Australia, Dennis Van Gool
Resource management technical reports
Wheat is grown on about 18 million hectares in the South-West Agricultural Region of Western Australia from north and east of Geraldton to Esperance in the south-east. Yields are frequently constrained by a range of soil factors.
This report uses existing conventional soil-landscape mapping to analyse the effects of 17 known soil constraints that limit crop production and roughly prioritises the areas where they occur.
Traditional land capability maps are prepared using a most-limiting factor approach, which assumes that ameliorating the most limiting constraint will result in a yield increase until the next most-limiting constraint is reached. Where there are …
Integrated Fisheries Management Resource Report Pearl Oyster (Pinctada Maxima) Resource, Department Of Fisheries
Integrated Fisheries Management Resource Report Pearl Oyster (Pinctada Maxima) Resource, Department Of Fisheries
Fisheries Management Papers
This report has been prepared to provide the Intergrated Fisheries Allocation Advisory Committee (Allocation Committee) with a summarised, factual account of the nature and status of the Pinctada maxima (P. maxima) pearl oyster resource and current and historical trends in its use and conservation.
Identifying Soil Constraints That Limit Wheat Yield In The South-West Of Western Australia, Dennis Van Gool
Identifying Soil Constraints That Limit Wheat Yield In The South-West Of Western Australia, Dennis Van Gool
Resource management technical reports
This is a novel approach using regional-scale information. The analysis estimated that:
- most of the wheat-growing land in south-west WA has one or more soil constraints
- about 1.6 million hectares (9% of the total area) are not suitable for cropping
- about 2.2 million hectares (12% of the total area) are suitable for cropping but are subject to many (more than 3) constraints; soil amelioration is unlikely to significantly improve profitable yield gain
- subsurface acidity extends over 12.6 million hectares (about 70% of the total area); about 7.6 million hectares of that area (42% of the total area) is estimated to …
Identifying Groundwater - Dependent Wetlands Of The Broome Sandstone Aquifer In The La Grange Groundwater Area, Nicholas Wright, Richard J. George Dr, Robert Paul, Paul Raper
Identifying Groundwater - Dependent Wetlands Of The Broome Sandstone Aquifer In The La Grange Groundwater Area, Nicholas Wright, Richard J. George Dr, Robert Paul, Paul Raper
Resource management technical reports
This report identifies wetlands that are likely to be dependent on the Broome Sandstone aquifer within the La Grange groundwater allocation area. The Broome Sandstone aquifer is the dominant groundwater resource in the area. With potential agricultural growth of this area, it is necessary to understand, monitor and manage the aquifer and its dependent wetlands. This report describes how we created a watertable surface that was used to identify wetlands and to determine which of the previously mapped wetlands are likely to be sourced from the Broome Sandstone aquifer. A watertable surface was created from 148 points taken from bore …
Climate In The Pilbara, Robert Sudmeyer
Climate In The Pilbara, Robert Sudmeyer
Bulletins 4000 -
The Pilbara is characterised by very hot summers, mild winters and low and variable rainfall. It is classified as hot desert in northern and inland areas and hot grasslands in the north-west. The Pilbara claims a number of climate records:
- seven of Western Australia’s top 10 hottest days, with Mardie recording the hottest day on record — 50.5 degrees Celsius (°C)
- most sunshine hours a day in Australia (more than 10 hours a day)
- second highest inter-annual variability in rainfall (second only to central Australia)
- the most cyclone-prone area along the Australian coastline.
During summer and early autumn (December to …
Gouldian Finch Non Breeding Counts 2016: Ord-East Kimberley Expansion Project - Weaber Plain Development Area, Save The Gouldian Fund
Gouldian Finch Non Breeding Counts 2016: Ord-East Kimberley Expansion Project - Weaber Plain Development Area, Save The Gouldian Fund
Irrigated Agricultural Development in the North
As part of the requirement for State approval under the Environment Protection and Biodiversity Conservation Act 1999, an assessment and regular monitoring of the endangered Gouldian finch (Erythrura gouldiae) is required during the operation of the Ord River Irrigation Area Weaber Plain Development Project in Kimberley, Western Australia. This report details the findings from surveys of non-breeding Gouldian finches.
In accordance with the EPBC Act (6AIV) and GFMP (3-4) conditions, this work specifically provides:
1) Gouldian finch counts of the non-breeding population.
Rabbit Control: Bait Stations, Department Of Primary Industries And Regional Development, Western Australia
Rabbit Control: Bait Stations, Department Of Primary Industries And Regional Development, Western Australia
Biosecurity factsheets
This factsheet provides information on using bait stations for rabbit control.
Biological control agents such as the myxoma virus (myxomatosis), and rabbit haemorraghic disease virus (RHDV) or rabbit calicivirus disease, will not provide ‘magic bullets’ for reducing the impact of rabbits on agricultural production and the environment. Biological agents are more effective when they form part of an integrated approach to rabbit control. An integrated approach should use all available control options, including biological control, the use of vertebrate pesticides, shooting, and trapping programs. Control programs are most effective when they include the greatest number of properties possible (that is, …