Aquaculture and Fisheries Commons^™

Soil Erosion, Agrichemicals And Water Quality: A Need For A New Conservation Ethic?, Christine Olsenius

Water Quality Control: Integrating Beneficial Use and Environmental Protection (Summer Conference, June 1-3)

24 pages.

Contains references.

The San Joaquin–Sacramento Delta, David R. Beringer

Water Quality Control: Integrating Beneficial Use and Environmental Protection (Summer Conference, June 1-3)

20 pages.

Contains 2 pages of references.

Public Land Livestock Grazing, Water Quality And Riparian Ecosystems: The Evolving Legal And Technical Context, Richard H. Braun

Water Quality Control: Integrating Beneficial Use and Environmental Protection (Summer Conference, June 1-3)

8 pages.

Contains 1 page of references.

Legal Issues: San Francisco Bay, Sacramento-San Joaquin River Delta And Estuary, Stuart L. Somach

Water Quality Control: Integrating Beneficial Use and Environmental Protection (Summer Conference, June 1-3)

48 pages.

Contains footnotes.

Agenda: Water Quality Control: Integrating Beneficial Use And Environmental Protection, University Of Colorado Boulder. Natural Resources Law Center

Water Quality Control: Integrating Beneficial Use and Environmental Protection (Summer Conference, June 1-3)

Conference organizers and/or faculty included University of Colorado School of Law professors David H. Getches, Lawrence J. MacDonnell and Charles F. Wilkinson.

Protecting water quality is essential to preserve the many beneficial uses of western water resources. This conference addresses the dominant federal requirements in the Clean Water Act, including the important major revisions enacted by Congress in 1987, with special attention to western problems regarding nonpoint source pollution. Developments in groundwater quality regulation are considered, as are selected issues concerning the implications of state and federal water quality regulation for the traditional exercise of water rights.

A Practitioner’S Perspective On Section 404 Permitting—Or—How To Survive The Daze From The Hazy Maze, Marcia M. Hughes

Water Quality Control: Integrating Beneficial Use and Environmental Protection (Summer Conference, June 1-3)

17 pages.

Contains footnotes and references.

Fisheries Management Paper No. 15 - Draft Management Plan For The Control Of Barramundi Gillnet Fishing In The Kimberley., R. S. Brown

Fisheries Management Papers

This management plan sets out a number of options for the control of commercial gillnet fishing for barramundi in the Kimberley. the plan focuses on existing commercial fishery, and on the fishermen consulted during the process of developing these management arrangements. However, the barramundi stocks of the region are increasingly exploited by large numbers of both local and tourist recreational fishermen whose needs must also be catered for. Because recreational fishermen are not easily identified or contacted as a group, I have endeavoured in this foreword, to set out the management options which best take into account the future needs …

Economics And Marketing Of Western Australia Pilchards., Scp Fisheries Consultants Pty Ltd

Fisheries Management Papers

The 1986/87 Australian catch was about 8,300 tonnes. At present levels of fishing,it has been suggested that this could be substantially increased. The fishery is not in danger of over-exploitation. Rather, the problem could be that there is more fish available than existing markets could absorb. However, there are prospects for increasing the present volume of fish sold domestically and for developing new products and markets in Australia and overseas.

The Occurrence Of Fish Remains In Modern Lake Systems : A Test Of The Stratified-Lake Mode, Douglas R. Britton

Loma Linda University Electronic Theses, Dissertations & Projects

Theories regarding the taphonomy of fishes in lacustrine environments have traditionally relied on an anoxic water column to explain the excellent preservation. This concept has never been directly tested in modern lacustrine environments that are thought to be analogous to the lacustrine environments predicted by the Stratified-lake Model. This research tested that model by searching for fish remains in 38 collected bottom samples of six modern lacustrine analogues, including Fayetteville Green Lake, New York. The bottom sediments of a warm, holomictic, shallow, and saline lake (Salton Sea, California) were also examined. Although laminated sediments were found in all of the …

Characterization Of The Aquatic Environment In Lake Mead Near The Proposed Spring Canyon Pumped-Storage Project, And Assessment Of Potential Aquatic Impacts, Charles R. Liston, Stephen J. Grabowski, Bureau Of Reclamation

Publications (WR)

A pumped storage system consists of an upper reservoir and lower reservoir separated by an elevation difference. During low demand energy periods such as nights and weekends water is pumped from the lower to the upper reservoir using available energy from conventional steam electric power plants. During high energy demand periods, such as mornings and afternoons of weekdays, upper reservoir water is allowed to drop back down through the same system of water conduits and turbines, generating electricity to conveniently meet abrupt electrical energy requirements. The same water turbines thus act both as pumps and as conventional hydroelectric turbines. Because …

Problems And Opportunities For The Republic Of China In Regard To Distant Water Tuna Fisheries, Chih-I Sha

Marine Affairs Theses and Major Papers

The extension of fishery jurisdiction out to 200 miles from the baselines used to measure the territorial sea by most of the coastal states was the dominant event in global fisheries during the decade of the 1970s. In principle, under extended jurisdiction, the coastal states have the authority to eliminate economic waste and to reduce excessive fishing pressure; on the other hand, the distant water fishing states will have to curtail their fishing activities from the traditional fishing grounds off the coastal states. The Republic of China is a typical distant water fishing state, and is seriously impacted by the …

Age And Growth Of The Tautog, Tautoga Onitis (Pisces: Labridae), From Lower Chesapeake Bay And Coastal Waters Of Virginia, E. Brian Hostetter

Biological Sciences Theses & Dissertations

The tautog, Tautoga onitis (Pisces: Labridae), is rapidly gaining popularity in Virginia by anglers, spearfishermen and specialized commercial interests. In Virginia, tautog are seasonally abundant on hard bottom substrates in nearshore (ca. 2-10 m) habitats and inhabit offshore wrecks and reef areas (ca. 10-30 m) year round. Habitat restriction and slow growth of the species coupled with recent technological advances in marine electronics which simplify locating tautog populations by user groups may contribute to overexploitation of tautog within the region.

Tautog were collected over a two year period from the lower Chesapeake Bay and nearshore waters of the Atlantic Ocean …

Draft Management Plan For The Perth Metropolitan Purse Seine Fishery, P. Millington

Fisheries Management Papers

As part of a development strategy for inshore purse seine fishing along the Western Australian coast this plan proposes management measures for the purse seine fishing boats operating along the coast near the greater Perth Metropolitan area. Using as a basis the restricted entry Cockburn sound purse seine fishery, the plan proposes the introduction of a limited entry regime for inshore purse seine fishing between Lancelin to just south of Mandurah. This regime will permit management of the available pelagic fish stocks in the area and also protect the economic position of the existing participants by providing an environment for …

Final Report Of The Pearling Industry Review Committee To The Hon. Julian Grill, Western Australian Minister For Fisheries And Hon. John Kerin, M.P. Federal Minister For Primary Industries And Energy., F. J. Malone, D. A. Hancock, B. Jeffries

Fisheries Management Papers

In October 1987 an Interim Report was issued to enable the present licence holders, the Licensed Pearl Producers' Association and other who had expressed an interest to the Committee, to consider the interim recommendations and , if necessary, make written comment to the Committee.

The Committee considered the comments it received. It now presents its Final Report to the Western Australian Minister for Fisheries, the Hon. Julian Grill and the Federal Minister for Primary Industries and Energy, the Hon. John Kerin.

The Committee is recommending that the industry be quota controlled with entry by transfer only. The present licence holders …

A Case For The Decentralization Of Tuna Management: The East Pacific Tuna Fishery, Mark Alexander Murray-Brown

Marine Affairs Theses and Major Papers

The east pacific tuna fishery has been a highly controversial industry due to a variety of biological, economic and political factors. Tuna are a highly migratory species and are known to move across areas of the ocean that are claimed by different nations. The high economic value of the tuna fishery has enhanced the dispute over the positioning of many of these national boundaries. During the middle of the twentieth century international fishery organizations were created in an attempt to resolve many of the issues. The Inter-American Tropical Tuna Commission (IATTC) was created to make management recommendations to maintain the …

Fisheries Report No 80 - Potential For The Development Of A Tuna Industry In North West Australian Waters, J. P. Robins

Fisheries Research Reports

Information available on the abundance of tuna off north west Australia, gathered on surveys by both ship and aircraft, the presented in order to identify opportunities for the sourcing of raw material for the Western Australian tuna canning industry. Identification of the constraints and potential for industry development of these resources is made focusing on the area considered most favourable, types of vessels used, fishing methods and strategies required for the development of such resources in the event that there is some identified prospect of viable commercial development.

Spawning Frequency And Fecundity Of Blue Tilapia, Thomas J. Aureli, Les Torrans

Journal of the Arkansas Academy of Science

No abstract provided.

The South West Trawl Fishery Draft Management Plan., P. J. Millington

Fisheries Management Papers

This paper outlines a proposal for management of trawl fisheries operating in waters less than 200m deep between the Moore River north of Perth and Cape Leeuwin. Off Fremantle, potential and actual user conflicts between trawling and the requirements of recreational fishing and other forms of commercial fishing point to the need to gradually phase out trawling in this area. A limited entry fishery, with no licence transferability, is therefore proposed.

Sport Fishing For Marron In Western Australia - Management For The Future : A Discussion Paper On Management Options For The Marron Fishery., Fisheries Department Of Western Australia.

Fisheries Management Papers

The number of marron that may be caught each year without seriously jeopardising the long term future of fishery is limited. The situation deteriorated still further after another winter of low rainfall in 1987 and as the 1987-88 summer drew closer it became doubtful whether the State's marron stocks could withstand another season of hard fishing pressure. Thus, it was considered necessary to ban all fishing for marron during the 1987-88 season. This discussion paper has been prepared to help start the ball rolling in the right direction, and ensure any measures taken to safeguard the fishery are backed up …

Fisheries Management Paper No. 22 - Economics And Marketing Of Western Australian Pilchards., Scp Fisheries Consultants Pty Ltd

Fisheries Management Papers

Most of the Western Australian pilchard catch comes from King George Sound and from the southern coast off Albany where the number of vessels allowed to catch has been controlled. Prospects for increasing production in this area are limited. However, there are indications that considerable quantities of pilchards could be caught in waters to the east and west of Albany, in the inshore declared purse seine development zone.

Before allowing fisherman to catch more pilchards in these waters, the Western Australian Government decided that an investigation should be undertaken of the Australian pilchard resources, the domestic and export market situation …

A Mass Mortality Of Fishes In Lake Titicaca (Peru-Bolivia) Associated With The Protozoan Parasite Ichthyophthirius Multifiliis, Wayne A. Wurtsbaugh, R. Alfaro

Watershed Sciences Faculty Publications

In December 1981 , an epizootic of the protozoan parasite Ichthyophthirius multifiliis killed an estimated 18 million killifish Orestias spp. in Lake Titicaca, a high-altitude tropical system. Of the dead fish collected, 93% were adult O. agassii, a commercially important species that is abundant in the littoral zone. Juvenile Orestias spp., pelagic species, and some other littoral zone fis hes were slightly affected. lchthyophthirius multifiliis was probably introduced with exotic fishes brought to Lake Titicaca in the 1940s and 1950s.

Age, Growth, And Movement Patterns Of The Atlantic Stingray, Dasyatis Sabina, In A Florida Coastal Lagoon System, Thomas Henry Schmid

Retrospective Theses and Dissertations

Age, growth rates, and patterns of movement were studied in the Atlantic stingray, Dasyatis sabina, in the Indian River lagoon system in east central Florida. Age was estimated using the growth rings on the vertebral centrum and tretacycline marking. Tetracycline injections produced clear readable rings in all pups, but failed to be incorporated into the centra of adults. Females possess more centrum rings than males, but annual periodicity could not be verified. Growth rates were determined from aquarium held pups and adults and from tagged and recaptured animals. Males appeared to reach maturity in about two years, females in slightly …

Department Of Fisheries Annual Report 1986-87, Department Of Fisheries, Western Australia

Department of Fisheries Annual Reports

In accordance with Section 62 of the Financial Administration and Audit Act 1985, I hereby submit for your information and presentation to Parliament the Annual Report of the Fisheries Department for the financial year ending 30 June 1987.

The Annual Report has been prepared in accordance with the provisions of the Financial Administration and Audit Act 1985,

Fish Aid: The Lake Mead Fertilization Project, Richard Axler, Larry Paulson, Peter Vaux, Patrick Sollberger, Donald H. Baepler

Publications (WR)

Sport fishing at Lake Mead in Nevada and Arizona is a resource valued at nearly $100 million per year to southern Nevada. During the past two decades, salmonids, mostly trout, have disappeared entirely, the largemouth bass catch has drastically declined despite greater fishing pressure, and the condition factors for striped bass have steadily deteriorated. It appears that a major reduction in phosphorus loading caused by the upstream impoundment of the Colorado River to form Lake Powell in 1963 and advanced wastewater treatment removal of phosphorus from domestic wastewater inflows in 1981 are the principal factors responsible for decreased production at …

A Development Plan For The South Coast Inshore Trawl Fishery, Fisheries Department Of Western Australia

Fisheries Management Papers

In March 1986 discussions were commenced between officers of the Fisheries Department and the Australian Fisheries Service concerning management measures for trawl fishery in the Great Australian Bight. These measures were considered necessary as a Western Australian Company (Toskel Fishing Co.) had commenced fishing the area. Given the excess fishing capacity in other Australian trawl fisheries it was considered advisable to institute management at an early stage and control development of this deep water fishery. Concurrent with these developments, mainly directed towards the control of larger trawlers in deeper waters, several small Western Australian trawlers operating out of Esperance and …

Lake Mead Prefertilization Study: Preliminary Nutrient Enhancement Studies In Lake Mead, Richard P. Axler, Larry J. Paulson, Patrick J. Sollberger, Donald H. Baepler, U.S. Bureau Of Reclamation

Publications (WR)

Studies conducted by the University of Nevada-Las Vegas (UNLV), the Nevada Department of Wildlife (NDOW), the Arizona Game and Fish Department (AGFD), The Nevada Division of Environmental Protection (NDEP), and the United States Bureau of Reclamation (USBR) have identified decreased algal production as a major factor involved in the decline of the Lake Mead sport fishery. Phosphorus-laden silt particles in the Colorado River have been sedimenting out in Lake Powell since the completion of Glen Canyon Dam 286 miles upstream in 1963. This sharp decrease in phosphorus loading to Lake Mead (>5000 tons per year) has resulted in decreased …

State Of The Fisheries Report 1986, Fisheries Department Of Western Australia

Status Reports of the Fisheries and Aquatic Resources

Western Australia continues to be one of the leading fishing States in Australia. The total gross value of fish, crustaceans and molluscs for 1985/86 was $139 million (Table 1) to which may be added the value of the pearl culture industry resulting in a total value of approximately $180 million.

Thermal Tolerances And Preferences Of Fishes Of The Virgin River System (Utah, Arizona, Nevada), James E. Deacon, Paul B. Schumann, Edward L. Stuenkel

Publications (WR)

Critical thermal maxima (CTM) and thermal preferenda of the common fishes of the Virgin River were examined. Differences in final temperature preferenda and CTM for species with low thermal lability (speckled dace, spinedace, roundtail chub) correspond well with differences in their distribution and abundance in the river. These species shifted their acute thermal preferences relatively little as acclimation temperature increased. For thermally labile species (woundfin, red shiner, desert sucker, and fiannehnouth sucker), the final preferendum is a less precise indicator of probable distribution. The woundfin, an endangered fish, has a high CTM (39.5 C at 25 C acclimation) and a …

Report Of The Rock Lobster Industry Advisory Committee To The Hon. Minister For Fisheries., Rock Lobster Industry Advisory Committee

Fisheries Management Papers

The Committee recognises that the exploitation rate on the rock lobster stocks is very high and that this factor is a major importance in formulating the advice on management measures. However, the Committee also recognises the high level of capital investment in the industry and that any recommendation which leads to a significant change in the management rules is likely to have a far reaching effect on many of the participants. Accordingly, the Committee endeavours to reduce to a minimum the year to year changes in the management rules. When changes are required the Committee places considerable weight on matters …

Benthic Invertebrates And Crayfish Of Lake Mead, Susan K. Peck, William L. Pratt, James E. Pollard, Larry J. Paulson, Donald H. Baepler

Publications (WR)

The objectives of this study were to:

1. Establish baseline densities of benthic invertebrates and relative abundance of crayfish in Lake Mead.

2. Evaluate the distributions of benthic organisms and crayfish in relation to existing habitat conditions and 1imnological characteristics of Lake Mead.

3. Measure seasonal changes in abundances of benthic organisms and crayfish in Lake Mead.

4. Compare observations of Procambarus clarkii life history in Lake Mead to reports from other aquatic systems.

5. Evaluate the importance of benthic organisms and crayfish as food sources for game fish in Lake Mead.