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1997

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Full-Text Articles in Aquaculture and Fisheries

Quantitative Assessment Of Fishing Mortality For Tautog (Tautoga Onitis) In Virginia : Preliminary Report, Geoffrey G. White, James E. Kirkley, Jon A. Lucy Dec 1997

Quantitative Assessment Of Fishing Mortality For Tautog (Tautoga Onitis) In Virginia : Preliminary Report, Geoffrey G. White, James E. Kirkley, Jon A. Lucy

Reports

Tautog (Tautoga onitis) have become a popular food and sport fish from Massachusetts to Virginia over the past ten years. Tautog are a long lived (30 years), late maturing (3-4 years), slow growing species. Although the maximum age recorded in Virginia is 31 years, recent studies have found that over 95% of the population is less than 12 years old (Hostetter and Munroe, 1993; White et aL, 1996). Adult tautog inhabit hard bottom wreck and reef environments, which are limited in Virginia's waters and are easily located and re-located by fishermen. Tautog are known to migrate inshore-offshore in New England …


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.


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 …


Economic And Business Considerations For Small-Scale Soft Crab Production, Michael J. Oesterling, Chuck Adams Dec 1997

Economic And Business Considerations For Small-Scale Soft Crab Production, Michael J. Oesterling, Chuck Adams

Reports

No abstract provided.


Management Options For Pilbara Demersal Line Fishing, Gaye Looby Nov 1997

Management Options For Pilbara Demersal Line Fishing, Gaye Looby

Fisheries management papers

Fisheries Western Australia licensing arrangements allow all vessels with an unrestircted fishing boat licence ('wetline licence') to take scalefish throughout the State. These arrangements have led to a high level of excess capacity in the licensed 'wetline' fishing fleet to exploit the scalefish resources. The declaration of the Kimberley Interim Line Fishery and forthcoming declaration the Northern Demersal Scalefish Fishery have resolved this problem for the Kimberley waters. However, the high level of excss capacity in the 'wetline' fleet to exploit the waters of the Pilbara remains a problem Preview access and develop a management plan for the Pilbara demersal …


Estimation Of Relative Abundance Of Recreationally Important Finfish In The Virginia Portion Of The Chesapeake Bay: Annual Progress Report 1996-1997, Patrick J. Geer, Herbert M. Austin Nov 1997

Estimation Of Relative Abundance Of Recreationally Important Finfish In The Virginia Portion Of The Chesapeake Bay: Annual Progress Report 1996-1997, Patrick J. Geer, Herbert M. Austin

Reports

Annual indices of juvenile abundance have been generated from trawl survey data for several species of key recreational importance in the Virginia portion of Chesapeake Bay (spot, croaker, weakfish, summer flounder, black sea bass and striped bass, white and channel catfish) and four species of secondary importance (scup, white perch, northern puffer, and silver perch) for the period 1988-1997. No species has shown a continuous trend during the nine year period, although several species have revealed declines (spot, scup, y-o-y white perch, northern puffer) or increases (Atlantic croaker and striped bass) in recent years. Spot has shown the largest decline …


Terrestrial Natural Communities Of Nebraska - Version I, Gerry Steinauer, Steven B. Rolfsmeier Oct 1997

Terrestrial Natural Communities Of Nebraska - Version I, Gerry Steinauer, Steven B. Rolfsmeier

Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts

The Nebraska Natural Heritage Program has been collecting information and data including published literature, field observations and vegetation plot data over the last 10 years of development of Nebraska’s natural community classification. The classification contains 27 wetland and 36 upland communities including forest, woodland, shrubland, herbaceous, and sparsely vegetated (e.g. rock outcrop) types. The community types were distinguished primarily on plant species composition and to a lesser extent on soils, hydrology and geographic location. The classification contains descriptions of each community type that include dominant species, soils, range, and other ecological information. The classification is designed to be flexible enough …


Proposed Voluntary Fishery Adjustment Scheme. South Coast Purse Seine Managed Fishery., Committee Of Management Oct 1997

Proposed Voluntary Fishery Adjustment Scheme. South Coast Purse Seine Managed Fishery., Committee Of Management

Fisheries management papers

On 29 May 1997 the Minister for Fisheries established a Committee of Management in respect of the South Coast Purse Seine Managed Fishery under the Fisheries Adjustment Schemes Act 1987 (the Act). The initial function of the Committee of Management (the Committee) is to consider, in respect of the Fishery, the desirablity of the establishment of a Voluntary Fisheries Adjustment Scheme. This document constitutes the report of the desirability of a Scheme.


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.


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 …


Discussion Paper: Future Management Of The Aquatic Charter Industry In Western Australia, Tour Operators Fishing Working Group Sep 1997

Discussion Paper: Future Management Of The Aquatic Charter Industry In Western Australia, Tour Operators Fishing Working Group

Fisheries management papers

The Tour Operators Fishing Working Group (TOFWG) was established by the Hon Monty House MLA, Minister for Fisheries, in recognition of the growing importance of this element of the tourism industry and in recognition of the need to ensure that the development of this industry occurs in an ecologically sustainable framework across the State. This discussion paper is the result of extensive consultation with the aquatic charter operators' industry by the TOFWG. Proposals outlined here for community discussion are intended to establish a management framework within which the aquatic charter operators’ industry may continue to develop, and which will ensure …


Issues Affecting Western Australia's Inshore Crab Fishery Blue Swimmer Crab (Portunus Pelagicus) Sand Crab (Ovalipes Australiensis), Cathy Cambell Sep 1997

Issues Affecting Western Australia's Inshore Crab Fishery Blue Swimmer Crab (Portunus Pelagicus) Sand Crab (Ovalipes Australiensis), Cathy Cambell

Fisheries management papers

This paper is designed to inform the general public about the issues and management options for managing the State's blue swimmer and sand crab fishery.


The Postlarval Phase Of Bivalve Mollusks: A Review Of Functional Ecology And New Records Of Postlarval Drifting Of Chesapeake Bay Bivalves, P Baker, Roger L. Mann Sep 1997

The Postlarval Phase Of Bivalve Mollusks: A Review Of Functional Ecology And New Records Of Postlarval Drifting Of Chesapeake Bay Bivalves, P Baker, Roger L. Mann

VIMS Articles

Many bivalve mollusks have one or more separate post-metamorphic stages which are functionally distinct from the late juvenile or the adult. The benthic plantigrade and the planktonic postlarva are defined and reviewed here. The plantigrade is a developmentally obligatory stage in mast bivalves. Various anatomical or conchological features, depending on taxa, are intermediate between the veliger and the juvenile. The plantigrade is benthic but highly mobile, via the foot and byssus, relative to the adult, although in some highly mobile bivalves, the plantigrade is functionally similar to the adult. The plantigrade may enter the water column briefly, but not nearly …


Fish Lesions, Pfiesteria And The Chesapeake Bay, Virginia Sea Grant Marine Advisory Program Sep 1997

Fish Lesions, Pfiesteria And The Chesapeake Bay, Virginia Sea Grant Marine Advisory Program

Reports

No abstract provided.


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 …


The Northwest Salmon Crisis: A Documentary History - Book Review, Chris Friday Aug 1997

The Northwest Salmon Crisis: A Documentary History - Book Review, Chris Friday

History Faculty and Staff Publications

In this work, editors Joseph Cone and Sandy Ridlington have brought together an impressive set of documents dating from the mid-1850s treaties with Native Americans to the present. The authors divide the volume into four sections that cover the ideologies and parties involved in the debates over the place and role of salmon fisheries.


Trophic Studies On Constructed “Restored” Oyster Reefs, Roger L. Mann, Juliana Harding Aug 1997

Trophic Studies On Constructed “Restored” Oyster Reefs, Roger L. Mann, Juliana Harding

Reports

No abstract provided.


Changes In Reproductive Morphology And Physiology Observed In The Amphipod Crustacean, Melita Nitida Smith, Maintained In The Laboratory On Polluted Estuarine Sediments, John T. Tanacredi Ph.D., B. Borowsky, P. Aitken-Ander Jul 1997

Changes In Reproductive Morphology And Physiology Observed In The Amphipod Crustacean, Melita Nitida Smith, Maintained In The Laboratory On Polluted Estuarine Sediments, John T. Tanacredi Ph.D., B. Borowsky, P. Aitken-Ander

Faculty Works: CERCOM

An earlier study showed that the amphipod crustacean Melita nitida Smith maintained on sediments dosed with waste crankcase oil developed physiological and morphological abnormalities. Most notably, mature females developed abnormal setae along the edges of their brood plates. The present study was conducted to determine whether similar abnormalities might be induced in animals maintained on polluted field sediments containing petroleum by-products among other toxic substances. In the laboratory, heterosexual pairs were maintained on three sediments taken from Jamaica Bay (New York) plus one control sediment and one toxic substratum (Ulva lactuca (L.) thalli). The results mirrored the results of …


Juvenile Fish And Blue Crab Stock Assessment Program Bottom Trawl Survey Annual Data Summary Report Volume 1996, Patrick J. Geer, Herbert M. Austin, Christopher F. Bonzek Jul 1997

Juvenile Fish And Blue Crab Stock Assessment Program Bottom Trawl Survey Annual Data Summary Report Volume 1996, Patrick J. Geer, Herbert M. Austin, Christopher F. Bonzek

Reports

No abstract provided.


Idealwise Algebraic Independence For Elements Of The Completion Of A Local Domain, William Heinzer, Christel Rotthaus, Sylvia Wiegand Jul 1997

Idealwise Algebraic Independence For Elements Of The Completion Of A Local Domain, William Heinzer, Christel Rotthaus, Sylvia Wiegand

Nebraska Cooperative Fish and Wildlife Research Unit: Staff Publications

Over the past forty years many examples in commutative algebra have been constructed using the following principle: Let k be a field, let S k[xl Xn]x,xn) be a localized polynomial ring over k, and let a be an ideal in the completion S of S such that the associated prims of a are in the generic formal fiber of S; that is, p N S (0) for each p Ass(S/a):. Then S embeds in S/a, the fraction field Q(S) of S embeds in the fraction ring of S/a, and for certain choices of a, the intersection D Q(S) f3 (S/a) …


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.


The Aquaculture Of Non-Endemic Species In Western Australia Silver Perch (Bidyanus Bidyanus), Tina Thorne, H. G. Brayford Jun 1997

The Aquaculture Of Non-Endemic Species In Western Australia Silver Perch (Bidyanus Bidyanus), Tina Thorne, H. G. Brayford

Fisheries management papers

For a number of years silver perch, a species native to the Murray-Darling river system of eastern Australia, has been allowed into Western Australia for the purpose of stocking rural, inland farm dams. Improts have only been allowed under licence, subject to disease-free certification and on the basis of fish being placed into impounded waters. The development of commercial aquaculture of a non-endemic species such as silver perch raises a number of important issues relating to tanslocation. These include potential of the introduced species to: Impact on genetic diversity, Introduce disease, Impact on the natural environment and the biodiversity of …


Evaluation Of The Potomac River American Eel (Anguilla Rostrata) Pot Fishery Based On Commercial Landings, Patrick J. Geer Jun 1997

Evaluation Of The Potomac River American Eel (Anguilla Rostrata) Pot Fishery Based On Commercial Landings, Patrick J. Geer

Reports

No abstract provided.


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.


Evaluation Of Crew Size Limits And Dredge Ring Size Restriction In The Atlantic Sea Scallop Fishery, William D. Dupaul, James E. Kirkley Mar 1997

Evaluation Of Crew Size Limits And Dredge Ring Size Restriction In The Atlantic Sea Scallop Fishery, William D. Dupaul, James E. Kirkley

Reports

No abstract provided.


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.


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.


Status Of The Major Oyster Diseases In Virginia 1996 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson Mar 1997

Status Of The Major Oyster Diseases In Virginia 1996 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson

Reports

No abstract provided.


Fishery Independent Standing Stock Surveys Of Oyster Populations In Virginia 1997, Roger L. Mann, James Wesson Jan 1997

Fishery Independent Standing Stock Surveys Of Oyster Populations In Virginia 1997, Roger L. Mann, James Wesson

Reports

Extensive description of the Virginia oyster resource and history of its utilization has been given by Haven, Hargis and Kendall (1981), and more recently reviewed by Hargis and Haven (1988). These contributions, among many others, describe a state of continuing decline. The James River, Virginia has served as the focal point for the Virginia oyster industry for over a century, being the source of the majority of seed oysters that were transplanted for grow-out to locations within the Virginia portion of the Chesapeake Bay and much further afield in the Middle Atlantic states (Haven et al, 1981). The Rappahannock River …


Comparison Of The Aquatic Ecology Of Side-Canyons And The Main Channel Of Lake Powell 1997, Wayne A. Wurtsbaugh, Kirsten L. Gallo Jan 1997

Comparison Of The Aquatic Ecology Of Side-Canyons And The Main Channel Of Lake Powell 1997, Wayne A. Wurtsbaugh, Kirsten L. Gallo

Watershed Sciences Faculty Publications

Physical characteristics of lakes are highly interrelated with biological characteristics. We measured and analyzed the physical characteristics of two side canyons in order to better understand differences in productivity between side canyons and the main channel and to provide general information on the characteristics of the lake.