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Articles 181 - 210 of 231

Full-Text Articles in Genetics

Life History Response Of Mediterranean Fruit Flies To Dietary Restriction, James R. Carey, Pablo Liedo, Lawrence G. Harshman, Ying Zhang, Hans-Georg Müller, Linda Partridge, Jane-Ling Wang Jan 2002

Life History Response Of Mediterranean Fruit Flies To Dietary Restriction, James R. Carey, Pablo Liedo, Lawrence G. Harshman, Ying Zhang, Hans-Georg Müller, Linda Partridge, Jane-Ling Wang

Lawrence G. Harshman Publications

The purpose of this study was to investigate medfly longevity and reproduction across a broad spectrum of diet restriction using a protocol similar to those applied in most rodent studies. Age-specific reproduction and age of death were monitored for 1,200 adult males and 1,200 females, each individually maintained on one of 12 diets from ad libitum to 30% of ad libitum. Diet was provided in a fixed volume of solution that was fully consumed each day, ensuring control of total nutrient consumption for every fly. Contrary to expectation and precedence, increased longevity was not observed at any level of …

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Recent Progress In Psychiatric Genetics—Some Hope But No Hype, Scott F. Stoltenberg, Margit Burmeister Jan 2000

Recent Progress In Psychiatric Genetics—Some Hope But No Hype, Scott F. Stoltenberg, Margit Burmeister

Department of Psychology: Faculty Publications

The reputation of the field of psychiatric genetics has recently become tarnished in the view of many human geneticists. Too many linked loci were claimed and withdrawn, too many association studies published and not confirmed, and, more recently, too many new and different chromosomal regions have been implicated for the same disorder. Here, we summarize recent trends, focusing on research that moves away from traditional linkage studies. Some promising strategies include psychopharmacogenetics and consideration of endophenotypes such as neurophysiological and behavioral markers in addition to the clinical diagnosis. Utilization of rapid and automated methods for scoring genetic variants in large-scale …

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Oxidative Stress Resistance: A Robust Correlated Response To Selection In Extended Longevity Lines Of Drosophila Melanogaster?, Lawrence G. Harshman, Beth A. Haberer Jan 2000

Oxidative Stress Resistance: A Robust Correlated Response To Selection In Extended Longevity Lines Of Drosophila Melanogaster?, Lawrence G. Harshman, Beth A. Haberer

Lawrence G. Harshman Publications

Stress resistance is associated with longevity in Drosophila melanogaster and other model organisms used for genetic research. The present study tests for oxidative stress resistance in one set of lines selected for late-life reproduction and extended longevity. Both females and males from the selected lines were appreciably more resistant to oxidative stress than were flies from the control lines. A relative increase in oxidative stress resistance is a correlated response to selection in this laboratory selection experiment. Increased oxidative stress resistance appears to be a relatively robust correlated response to laboratory selection for late-life reproduction and extended longevity.

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Potential Associations Among Genetic Markers In The Serotonergic System And The Antisocial Alcoholism Subtype, E. M. Hill, S. F. Stoltenberg, M. Burmeister, M. Closser, R. A. Zucker Jan 1999

Potential Associations Among Genetic Markers In The Serotonergic System And The Antisocial Alcoholism Subtype, E. M. Hill, S. F. Stoltenberg, M. Burmeister, M. Closser, R. A. Zucker

Department of Psychology: Faculty Publications

Alcoholism is transmitted in families. The complexity and heterogeneity of this disorder has made it difficult to identify specific genetic correlates. One design with the potential to do so is the family-based association study, in which the frequencies of genetic polymorphisms are compared between affected and nonaffected members. Reduced central serotonin neurotransmission is associated with features of an antisocial subtype of alcoholism, although a primary deficit has not been traced to a particular component. Genetic markers related to the serotonergic system have been identified, located, and cloned. If associations can be discovered, the development process for pharmacotherapy could be facilitated. …

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Draft: Plan For The Management Of The Houtman Abrolhos Islands Fish Habitat Protection Area (Schedule 1), Abrolhos Islands Management Advisory Council, Fisheries Department Of Western Australia Dec 1997

Draft: Plan For The Management Of The Houtman Abrolhos Islands Fish Habitat Protection Area (Schedule 1), Abrolhos Islands Management Advisory Council, Fisheries Department Of Western Australia

Fisheries Management Papers

This document is a separate draft plan which has been prepared to meet the requirements of Section 117 of the Fish Resources Management Act 1994. It contains a description of the area; outlines the purposes for which the area is to be set aside; and lists the recommendations contained in Fisheries Management Paper No. 104, Management of the Houtman Abrolhos System, which relate to the management of the proposed Fish Habitat Protection Area.

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Management Of The Houtman Abrolhos System, Abrolhos Islands Management Advisory Council, Fisheries Department Of Western Australia Dec 1997

Management Of The Houtman Abrolhos System, Abrolhos Islands Management Advisory Council, Fisheries Department Of Western Australia

Fisheries Management Papers

In November 1995 Cabinet resolved that the Minister for Fisheries would establish the Abrolhos Islands Management Advisory Committee (AIMAC) pursuant to Section 42 of the Fish Resources Management Act 1994. The role of AIMAC is to advise the Minister for Fisheries about the management of the Abrolhos Islands and the adjoining State Territorial Waters, as detailed in Section 2.2.3.1 of this report. The AIMAC has overseen the preparation of this report on behalf of the Minister for Fisheries. This draft report contains a brief description of the Abrolhos System and its special values. It also states goals and objectives for …

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Abalone Aquaculture In Western Australia. Discussion Paper And Draft Policy Guidelines., Cameron Westaway, Jeff Norriss Oct 1997

Abalone Aquaculture In Western Australia. Discussion Paper And Draft Policy Guidelines., Cameron Westaway, Jeff Norriss

Fisheries Management Papers

The purposes of this discussion paper is to highlight relevant issues associated with abalone aquaculture development and outline a set of draft policy guidelines. The paper is being disseminated to members of the aquaculture industry, commercial and recreational fishing bodies and the broader community to allow comment.

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Draft: Optimising The Worth Of The Lobster Catch: Options And Issues, Marec Pty Ltd Sep 1997

Draft: Optimising The Worth Of The Lobster Catch: Options And Issues, Marec Pty Ltd

Fisheries Management Papers

The purpose of this document is to contribute to informed discussion on alternative measures which might be adopted to optimise the worth of the lobster catch. In doing so, it provides a number of possible initiatives which could be more closely examined for adoption. Details of issues are provided which should be taken into consideration when assessing the various proposals. The industry as it is today is examined and assessed, and its achievements analysed. The possible initiatives proposed stem from this research. As a consequence of this document, the rock lobster industry could undertake to proceed with a detailed examination …

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Marine Farm Planning And Consultation Processes In Western Australia, Dave Everall Aug 1997

Marine Farm Planning And Consultation Processes In Western Australia, Dave Everall

Fisheries Management Papers

The development of a sustainable aquaculture industry in Western Australia is considered to be a high priority by the Government. The marine farming industry has a bright future in Western Australia, but there is a need to balance its developing needs for suitable waters with those of existing activities, and with community expectations for accountability and transparency in the resolution of equity and resource sharing decisions. The purpose of this report is to review the existing planning and consultation processes for pearling and aquaculture in WA and recommend how they may be improved and incorporated into a single process. It …

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The Aquaculture Of Non-Endemic Species In Western Australia, Tina Thorne Jun 1997

The Aquaculture Of Non-Endemic Species In Western Australia, Tina Thorne

Fisheries Management Papers

This Management Paper has been drafted in liaison with the Department of Environmental Protection in accordance with the principles of risk assessment and taking into account translocation issues of non-endemic species such as redclaw (Cheras quadricarninatus). It is considered that the implementation of this policy will protect the natural environment and native crayfish species. It will also allow for the development of a redclaw industry, and provide the first step towards self regulation of that industry.

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Coming To Terms With Heritability, Scott F. Stoltenberg Jun 1997

Coming To Terms With Heritability, Scott F. Stoltenberg

Department of Psychology: Faculty Publications

The complex mechanisms of heredity are little appreciated by nonspecialists, in some measure, because of misunderstandings that are perpetuated when words used for technical terms have other, more widely understood, folk meanings. When a word has both technical and folk meanings, it is the responsibility of the specialist to avoid promoting confusion by either using extremely cautious and precise language when using the term or, in cases when confusion is inevitable, abandoning the term in favor of one without a widely understood folk meaning. The study of heredity is beset by such confusion, and the term heritability appears to be …

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Management Arrangements For The Western Rock Lobster Fishery For The 1997/98 Season, F. B. Prokop May 1997

Management Arrangements For The Western Rock Lobster Fishery For The 1997/98 Season, F. B. Prokop

Fisheries Management Papers

This paper deals with the proposed management strategies for the 1997/98 seasons. The purpose of this paper is to present the views of RLIAC on management arrangements for the 1997/98 rock lobster season and to indicate the strategic directions that long term management of this important fishery might take so as to ensure both its biological sustainability and the optimisation of product value for both the State and the participants in the fishery.

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Y-Chromosome Effects On Drosophila Geotaxis Interact With Genetic Or Cytoplasmic Background, Scott F. Stoltenberg, Jerry Hirsch Apr 1997

Y-Chromosome Effects On Drosophila Geotaxis Interact With Genetic Or Cytoplasmic Background, Scott F. Stoltenberg, Jerry Hirsch

Department of Psychology: Faculty Publications

Previously, all of the major fruit fly, Drosophila melanogaster, chromosomes (I, II, and III) have been shown to be associated with geotaxis, but the Y chromosome has not. Using two methods (back-crossing and chromosome substitution), Y chromosomes from lines that have evolved stable, extreme expressions of geotaxis were placed into different genetic and cytoplasmic backgrounds to test the resulting males for geotaxis. The results of the back-crossing do not support the interpretation of Y-chromosome effects on geotaxis. These tests do not have sufficient statistical power, however, to detect small genetic effects. In the chromosome substitution experiment, the geotaxis-line Y …

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Management Of The South Coast Purse Seine Fishery, J Fowler, K Donohue, R.C. J. Lenanton, M. Moran, D Gaughan Mar 1997

Management Of The South Coast Purse Seine Fishery, J Fowler, K Donohue, R.C. J. Lenanton, M. Moran, D Gaughan

Fisheries Management Papers

This paper has presented a strategy for moving the management of the small pelagics fishery off the south coast to management of the whole fishery, which facilitates a more biologically sound and economically stable fishery.

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A Pricing Policy For Fisheries Agencies, Management Committee Of Scfa, Standing Committee Of Fisheries And Aquaculture (Sfca), Department Of Primary Industries And Energy Mar 1997

A Pricing Policy For Fisheries Agencies, Management Committee Of Scfa, Standing Committee Of Fisheries And Aquaculture (Sfca), Department Of Primary Industries And Energy

Fisheries Management Papers

The intent of this paper is to inform members of Standing Committee for Fisheries and Aquaculture (SCFA) and the members of the Ministerial Council for Fisheries, Forestry and Aquaculture of the methods of fee setting that are currently applied by fisheries agencies in Australia, and alternative pricing policies for fisheries agencies.

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Shark Bay World Heritage Property: Summary Of Public Submissions To The Draft Management Plan For Fish Resources, Kevin A. Francesconi Oct 1996

Shark Bay World Heritage Property: Summary Of Public Submissions To The Draft Management Plan For Fish Resources, Kevin A. Francesconi

Fisheries Management Papers

In November 1994, the draft management plan for fish resources for the Shark Bay World Heritage Area (Fisheries Management Paper no 72) was released for public comment. This report summarises and analyses the 28 written public submissions received to the draft fisheries management plan.

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Shark Bay Management Paper For Fish Resources, Fisheries Department Of Western Australia, Department Of Conservation And Land Management Oct 1996

Shark Bay Management Paper For Fish Resources, Fisheries Department Of Western Australia, Department Of Conservation And Land Management

Fisheries Management Papers

This paper deals with the management of fish resources in the Shark Bay World Heritage Property which are the responsibility of the Fisheries Department of Western Australia. It was prepared by the Fisheries Department in close liaison with the Department of Conservation and Land Management. The policies and guidelines proposed in this paper will be followed for a period not exceeding 10 years.

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Pearling And Aquaculture In The Dampier Archipelago - Existing And Proposed Operations - A Report For Public Comment, Ben Fraser Sep 1996

Pearling And Aquaculture In The Dampier Archipelago - Existing And Proposed Operations - A Report For Public Comment, Ben Fraser

Fisheries Management Papers

This discussion paper has been prepared by the Fisheries Department of WA as part of a consultative process to enable the public to comment on existing and proposed pearling and aquaculture activities in the Dampier Archipelago. This report follows on from Fisheries Management Report 90 - the Driscoll Report - and provides more detailed information about pearling and aquaculture to enable the public to consider and comment on individual projects.

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Offshore Constitutional Settlement 1995, H. G. Brayford, G. E. Lyon Jun 1996

Offshore Constitutional Settlement 1995, H. G. Brayford, G. E. Lyon

Fisheries Management Papers

The Offshore Constitutional Settlement OCS is a legal arrangement between the Commonwealth and State Governments, and defines control over the fisheries which operate off each State of Australia. For the Western Australian coast, the first set of arrangements took effect in 1987. The OCS of 1995 specifies five arrangements, under which the fisheries inside the 200 nautical mile approximately 370 km limit of the Australian Fishing Zone AFZ come under either State, Commonwealth, or joint control.

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A Report On The Issues Affecting The Use Of The Dampier Archipelago, Peter Driscoll Mar 1996

A Report On The Issues Affecting The Use Of The Dampier Archipelago, Peter Driscoll

Fisheries Management Papers

This report was commissioned by the Minister for Fisheries following concerns about resource sharing, allocation of licences and leases for pearling and aquaculture, recreational and commercial fishing opportunities, and local residents continued ability to access the islands and marine areas of the Dampier Archipelago. The purpose of this report is to provide a scoping document for a marine planning study for the Dampier Archipelago for the Fisheries Department and the Minister for Fisheries.

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Fishermen's Views On The Future Management Of The Rock Lobster Fishery: A Report Prepared On Behalf Of The Rock Lobster Industry Advisory Committee, The Marketing Centre, Rock Lobster Industry Advisory Committee Mar 1996

Fishermen's Views On The Future Management Of The Rock Lobster Fishery: A Report Prepared On Behalf Of The Rock Lobster Industry Advisory Committee, The Marketing Centre, Rock Lobster Industry Advisory Committee

Fisheries Management Papers

In June 1995, a self-completion survey of fishermen in the rock lobster fishery was sent out by The Marketing Centre to 589 licensees. A total of 206 valid responses were received. The questionnaire was fairly long and dealt with a number of complex issues. As such, this response rate of 36.0% compares favorably with the average for postal surveys of around 40.0%. The following represents the main findings from the survey.

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Same Fish - Different Rules - Proceedings Of The National Fisheries Management Network Workshop Held As Part Of The Third Australasian Fisheries Managers Conference August 1995, F. B. Prokop Mar 1996

Same Fish - Different Rules - Proceedings Of The National Fisheries Management Network Workshop Held As Part Of The Third Australasian Fisheries Managers Conference August 1995, F. B. Prokop

Fisheries Management Papers

This workshop represents the third time that a specific recreational fisheries workshop has been held in conjunction with the Australasian Fisheries Managers Conference. It is designed to analyse the different management approaches from the various fisheries agencies which have responsibility for selected species. The case studies that make up the workshop have been selected to represent the diversity of situations including freshwater, marine, pelagic and invertebrate species.

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Balancing The Scales: Access And Equity In Fisheries Management - Proceedings Of The Third Australasian Fisheries Managers Conference, Rottnest Island, Western Australia, 2-4 August 1995, Patricia Summerfield Feb 1996

Balancing The Scales: Access And Equity In Fisheries Management - Proceedings Of The Third Australasian Fisheries Managers Conference, Rottnest Island, Western Australia, 2-4 August 1995, Patricia Summerfield

Fisheries Management Papers

The papers reproduced in this volume were presented at the Third Australasian Fisheries Managers Conference held at Kingstown Environmental Education Centre, Rottnest Island, Western Australia, from 2-4 August 1995. Two presentations have not been received in full written form and one paper was not available for publication due to copyright being held elsewhere. Abstracts of these papers are included in the proceedings. The papers are arranged in order of presentation at the Conference. The scenarios used in the workshop sessions are reproduced at the end of the proceedings for information.

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Management Arrangements For Specimen Shell Collection In Western Australia, 1995, Jonathon Hs Barrington, C A. Campbell Feb 1996

Management Arrangements For Specimen Shell Collection In Western Australia, 1995, Jonathon Hs Barrington, C A. Campbell

Fisheries Management Papers

The Specimen Shell Fishery in Western Australia is based on the collection of marine species of the phylum Mollusca for the purposes of display, collection, cataloguing, classification and sale. Specimen shells may be alive or dead at the time of take and include beach-washed shells. Fossilised shells do not constitute specimen shells. This document has been prepared to detail the legislative requirements of the Western Australian Government, as well as to fulfill the requirements under the Commonwealth Wildlife Protection (Regulation of Exports and Imports) Act 1982 to allow for the export of specimen shells from Western Australian waters and the …

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A Gene Correlate Of Geotaxis Near Adh (2-50.1) In Drosophila Melanogaster, Scott F. Stoltenberg, Jerry Hirsch Jan 1996

A Gene Correlate Of Geotaxis Near Adh (2-50.1) In Drosophila Melanogaster, Scott F. Stoltenberg, Jerry Hirsch

Department of Psychology: Faculty Publications

As part of a long-term study (38+ years) to identify genetic correlates of geotaxis in Drosophila melanogaster, the investigators report the results of allozyme-level analyses of 2 lines derived from hybridizing high- and low-selected lines that have evolved stable, extreme expressions of geotaxis. Allelic variation at Adh was associated with geotactic performance in 1 hybrid-derived line, but not in another, after 66 free-mating generations beyond the F2 generation. A second-chromosome gene correlate of geotaxis may lie within 1 map unit of Adh. Population genetic analyses suggest that there were different selection pressures on the hybrid-derived lines and …

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Rosalind Elsie Franklin (1920-1958) Biologist, Margaret Sylvia Jan 1996

Rosalind Elsie Franklin (1920-1958) Biologist, Margaret Sylvia

Faculty Publications

A biography of the biologist Rosalind Elsie Franklin whose work on x-ray crystallography contributed to Watson and Crick's elucidation of the structure of DNA.

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A Review Of Ministerial Policy Guidelines For Rock Lobster Processing In Western Australia From The Working Group Appointed By The Minister For Fisheries And Chaired By Peter Rich, Peter Rich Dec 1995

A Review Of Ministerial Policy Guidelines For Rock Lobster Processing In Western Australia From The Working Group Appointed By The Minister For Fisheries And Chaired By Peter Rich, Peter Rich

Fisheries Management Papers

The rock lobster processing industry in Western Australia has a long history of management. Whilst management of the industry through the Fisheries Department has obviously been successful in helping to build the rock lobster industry into one of the State's major export industries, this approach is not without problems. With the introduction of the Fisheries Management Act 1994, the Minister for Fisheries deemed it appropriate to appoint an expert group to review the existing regulation of the rock lobster processing sector, draft the necessary guidelines to assist the Executive Director of the Fisheries Department make decisions on rock lobster processing …

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The Impact Of The New Management Package On Smaller Operators In The Western Rock Lobster Fishery, Ross Gould Sep 1995

The Impact Of The New Management Package On Smaller Operators In The Western Rock Lobster Fishery, Ross Gould

Fisheries Management Papers

For the 1993/94 western rock lobster fishing season several new management strategies were introduced. The objective of the changes to the management package was to protect the rock lobster fishery. It was also to provide sufficient breeding stock to ensure viability of the industry. The most significant new measure was a temporary (two seasons) 18 percent pot reduction. Other changes were also made. There were considered sound reasons for reviewing and changing the previous management package. Despite this, some fishermen were critical of the new management package, and claimed that it unfairly disadvantaged smaller operators. Against this background, the Department …

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West Coast Rock Lobster Fishery Management Plan 1995 - Draft For Public Comment, M. Moran Aug 1995

West Coast Rock Lobster Fishery Management Plan 1995 - Draft For Public Comment, M. Moran

Fisheries Management Papers

The purpose of this management plan is to regulate fishing for rock lobsters (Family Palimuridae) in waters off the west coast of Western Australia such that the breeding stock of rock lobsters is maintained at a level known to have generated adequate recruitment of young lobsters in the past. This management plan does not constitute a change in the management arrangements for the rock lobster fishery. It essentially replaces the West Coast Rock Lobster Limited Entry Fishery Notice 1993 made under the Fisheries Act 1905 and makes the required changes to wording and structure necessitated by the proclamation of the …

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Bag And Size Limit Fishing Regulations From Around Australia - Current Information As At 1 July, 1995 - Third Australasian Fisheries Managers Conference, Rottnest Island, Wa, F. B. Prokop Aug 1995

Bag And Size Limit Fishing Regulations From Around Australia - Current Information As At 1 July, 1995 - Third Australasian Fisheries Managers Conference, Rottnest Island, Wa, F. B. Prokop

Fisheries Management Papers

This paper was originally prepared for the first National Fisheries Managers Conference in 1993. It is now updated and includes the current bag and size limits from around Australia as at 1 July, 1995. It is fairly obvious from this paper that there is a need for more cooperation between the states, particularly for species which have wide distributions. However, regional solutions can be a good approach for specific management needs, while general rules can be made more consistent in a number of cases.

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