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Articles 541 - 570 of 632
Full-Text Articles in Population Biology
Long Term Management Strategies For The Western Rock Lobster (4 Volumes) - Evaluation Of Management Options (Volume 1), B. K. Bowen, Rock Lobster Industry Advisory Committee
Long Term Management Strategies For The Western Rock Lobster (4 Volumes) - Evaluation Of Management Options (Volume 1), B. K. Bowen, Rock Lobster Industry Advisory Committee
Fisheries Management Papers
This report has been written following approval by the Minister for Fisheries of a recommendation by the Rock LObster Industry Advisory Committee that a major evaluation of future management options for the western rock lobster fishery be undertaken. The report provides background information on the management strategies and principles of the fishery, its stock status, the use of input and output controls and the size of the fishing fleet. The report concludes with an examination of the effect of maintaining effort (input) controls and moving to a system of variable effort (TAE/ITEs) or moving to direct (output) controls on the …
Future Of Management Of Recreational Gill, Haul, And Cast Netting In Western Australia And Summary Of Submissions To The Netting Review, F. B. Prokop, L. M. Adams
Future Of Management Of Recreational Gill, Haul, And Cast Netting In Western Australia And Summary Of Submissions To The Netting Review, F. B. Prokop, L. M. Adams
Fisheries Management Papers
The results of a major review into recreational gill and haul netting in Western Australia were announced by the Minister for Fisheries, Hon. Monty House MLA on 24 December 1993. This document presents the findings of the recreational netting review and the process which resulted in the announced changed to management practices.
Management Of The Marine Aquarium Fish Fishery, Jonathon Barrington
Management Of The Marine Aquarium Fish Fishery, Jonathon Barrington
Fisheries Management Papers
This Fisheries Management Paper outlines the management arrangements for the Marine Aquarium Fish Fishery that operates in State waters adjacent to Western Australia. These arrangements augment the previous management arrangements for the fishery of 1992 and supersede those arrangements. A limited entry fishery will be established for marine aquarium fish collecting. The other management arrangements are outlined in detail in the paper.
Management Arrangements For Specimen Shell Collection In Western Australia, Jonathon Barrington
Management Arrangements For Specimen Shell Collection In Western Australia, Jonathon Barrington
Fisheries Management Papers
This Fisheries Management Report outlines the management arrangements in respect of specimen shell collection in Western Australia. It includes a management plan for the Western Australian Specimen Shell Collection Fishery and management arrangements for recreational specimen shell collection.
Terrapene Carolina Carolina, Joseph C. Mitchell, Rafael O. De Sá
Terrapene Carolina Carolina, Joseph C. Mitchell, Rafael O. De Sá
Biology Faculty Publications
TERRAPENE CAROLINA CAROLINA (Eastern Box Turtle). REPRODUCTION. Female Terrapene carolina containing oviductal eggs have been recorded in Virginia from 26 May to 25 July (Mitchell, in press. The Reptiles of Virginia. Smithsonian Inst. Press, Washington, D.C.). Other reports of reproduction in Terrapene (see list in Ernst and McBreen 1991. Cat. Amer. Amphib. Rept. 512.1-512.13) indicate that nesting occurs in late spring and early summer throughout its range.
Proceedings Of The Charter Boat Management Workshop Held As Part Of The First National Fisheries Manager Conference Terrigal Nsw 21 September 1993, A. E. Magee
Fisheries Management Papers
General concern of all states was the actual AND potential impact of charter fishing on the resource and the inability to measure such impacts. The perceived problem with dual licensing was unregulated effort and the abilit to circumvent management controls. This paper provides current charter boat management arrangements in Australia, why they should be managed, types of charter vessels, Licensing, Management of recreational only charter vessels, Non-consumptive charters, Management guides and small scale charter operators, Commonwealth jurisdiction, Development of agreed strategies and Identification of future needs.
Review Of Recreational Gill, Haul And Cast Netting In Western Australia., F. B. Prokop
Review Of Recreational Gill, Haul And Cast Netting In Western Australia., F. B. Prokop
Fisheries Management Papers
In this paper the Recreational Netting Committee has addressed an extremely complex and controversial issue in a forthright manner. They have developed a set of management proposals which accommodates recreational netting while recognizing the concerns of non-netters and the general community. The Committee would like to stress that it considers this plan as a package. For example the Committee would be strongly opposed to the considerable operational restrictions contained under Section 5 if there were not a trade-off in terms of a fairer criteria for which estuaries are open as proposed in Section 6.2. Similarly, the Committee would not be …
Management Arrangements For The Southern Demersal Gillnet And Demersal Longline Fishery 1994/95 Season., Southern Demersal Gillnet And Demersal Longline Management Advisory Committee
Management Arrangements For The Southern Demersal Gillnet And Demersal Longline Fishery 1994/95 Season., Southern Demersal Gillnet And Demersal Longline Management Advisory Committee
Fisheries Management Papers
At its meeting of 7 April 1993 the Southern Demersal Gillnet and Demersal Longline Fishery Management Advisory Committee (hereafter called "the Committee) was advised of the Western Australian Fisheries Department's Research Division's concern over the status of shark stocks. All the data available indicate that whiskery sharks are severely over-exploited with stock levels declining by around 10% to 30% of original levels. Current levels of fishing effort are expected to cause the stock to decline further. Gummy sharks have high risk of over exploitation (stock has declined to 40% -50% of original levels. Dusty whaler stocks (bronze whaler) is uncertain …
Chairman's Report To The Minister For Fisheries On Management Recommendations For 1993-94 And 1994-95 Western Rock Lobster Seasons., Rock Lobster Industry Advisory Committee
Chairman's Report To The Minister For Fisheries On Management Recommendations For 1993-94 And 1994-95 Western Rock Lobster Seasons., Rock Lobster Industry Advisory Committee
Fisheries Management Papers
This paper sets out the Rock Lobster Industry Advisory Committee (RLIAC) management recommendations for the 1993/94 and 1994/95 seasons. Currently and during these two years longer term management approaches are being examined separately by the RLIAC.
The Introduction And Translocation Of Fish, Crustaceans And Molluscs In Western Australia., Craig Lawrence
The Introduction And Translocation Of Fish, Crustaceans And Molluscs In Western Australia., Craig Lawrence
Fisheries Management Papers
This paper discusses three possible impacts of introduced and translocated aquatic organisms: 1. Genetic diversity 2. Pathogens 3 Ecosystem Conservation, in relation to costs and benefits to the community and the Western Australian environment.
Management Proposals For 1993/94 And 1994/95 Western Rock Lobster Season., Rock Lobster Industry Advisory Committee
Management Proposals For 1993/94 And 1994/95 Western Rock Lobster Season., Rock Lobster Industry Advisory Committee
Fisheries Management Papers
The Rock Lobster Industry Advisory Committee (RLIAC) in reviewing management arrangements for the rock lobster fishery, were concerned with two principle objectives: 1. That the management measures adopted would arrest the ongoing decline in breeding stock and seek to re-establish the number of breeding female rock lobster to levels consistent with known historic safe levels in the fishery. 2. That the management arrangements adopted would properly take into account market requirements in order to maximise returns to fishermen from an appropriate level of catch.
Review Of Bag And Size Limit Proposals For Western Australian Recreational Fishers., F. B. Prokop
Review Of Bag And Size Limit Proposals For Western Australian Recreational Fishers., F. B. Prokop
Fisheries Management Papers
The Fisheries Department of WA and the Recreational Fishing Advisory Committee (RFAC), which is the peak body representing recreational fishers in WA, have been very pleased with the response to the implementation of two year review of recreational fisheries. Fisheries, RFAC and the fishing community recognise that the two year review was the first step in the continually evolving process of management of recreational fisheries. Since the new bag and size limit regulations were introduced in December 1991, there have been many suggestions for refinement and improvement. This management paper includes the most common and best suggestions for future management. …
Fisheries Management Paper No 53 - Rock Lobster Industry Advisory Committee - Report To The Minister For Fisheries And Management Arrangements For 1992/93, Fisheries Department Of Western Australia
Fisheries Management Paper No 53 - Rock Lobster Industry Advisory Committee - Report To The Minister For Fisheries And Management Arrangements For 1992/93, Fisheries Department Of Western Australia
Fisheries Management Papers
The Minister for Fisheries announced the 1992/93 fishing season management arrangements for West Coast Rock Lobster Fishery on 11 August 1992. These arrangements arose as a result of the Minister's consideration of the Rock Lobster Industry Advisory Committee's recommendations outlined in Fisheries Management Paper no.46.
Following this announcement, on 28 August 1992, the Western Australian Fishing Industry Council Sub-Committee on rock lobster submitted a range of alternative management proposals.
The Rock Lobster Industry Advisory Committee (RLIAC) met in Perth on the 9 September 1992 at the request of the Minister for Fisheries to further examine and report on management arrangements.
The West Coast Shark Fishery Draft Management Plan., D. A. Hall
The West Coast Shark Fishery Draft Management Plan., D. A. Hall
Fisheries Management Papers
The main purpose of this report is to advance the development of a scheme of management for the commercial shark fishery off the west coast of Western Australia. There is considerable scientific concern over the biological status of commercially important shark stocks in this region, particularly dusky whaler (Carcharhinus obscura), thickskin (Carcharhinus plumbeus) and whiskery sharks (Furgaelus macki).
The South West Beach Seine Fishery Draft Management Plan., D. A. Hall
The South West Beach Seine Fishery Draft Management Plan., D. A. Hall
Fisheries Management Papers
This paper describes the issues in and outlines a proposal for management of the beach seine fishery between Tim's thicket and Cape Beaufort on the south coast. It also proposes management measures for the fishery utilising small mesh gill nets and hand hauled seine nets in the area inside of the 10 metre depth contour.
The Cockburn Sound Fishery Management Plan. Summary Of Submission And Final Recommendations For Management., A. Millington
The Cockburn Sound Fishery Management Plan. Summary Of Submission And Final Recommendations For Management., A. Millington
Fisheries Management Papers
Identifiable "unit" fisheries in Cockburn Sound are: Beach bait fishing netting Fish set netting Crab netting Mussel diving Line fishing and pot fishing This report recommends measures for the longer term management of these fisheries In particular, that they be managed as limited entry fisheries under Section 32 of the Fisheries Act 1905. Strict entry criteria are proposed for continued access to these fisheries. Rules are proposed for boat replacement. Licence transferability is considered in detail. No decisions to be made on the policy for licence transfers until the final number of participants in each fishery is determined. Owner operation, …
Effects Of Moose Foraging On Browse Availability In New Hampshire Deer Yards, Michael T. Pruss, Peter J. Pekins
Effects Of Moose Foraging On Browse Availability In New Hampshire Deer Yards, Michael T. Pruss, Peter J. Pekins
New Hampshire Agricultural Experiment Station Publications
Food habits of moose (Alces alces) and white-tailed deer (Odocoileus virginianus) overlap in northern New Hampshire during autumn and winter. High moose and deer densities in deer yards, where deer may be confined for extended periods, could result in competition for limited deciduous forage. The purpose of this study was to investigate possible impacts by moose on browse availability in deer yards, and the potential effects on deer. Fifteen deer yards were studied in northern New Hampshire during spring and fall, 1990-91. Unbrowsed and browsed deciduous twigs, and deer and moose pellet groups were counted on 900 permanent plots to …
The Future For Recreational Fishing Final Report Of The Recreational Fishing Advisory Committee, Recreational Fishing Advisory Committee
The Future For Recreational Fishing Final Report Of The Recreational Fishing Advisory Committee, Recreational Fishing Advisory Committee
Fisheries Management Papers
This report discusses: What Recreational fishing means to Western Australia's estimated 300,000 fishers. Conservation and equality in catch sharing was at the heart of the Committee's investigations into developing strategies for the future management of important recreational fish stocks.
Description Of The Tadpoles Of Gastrophryne Pictiventris And Nelsonophryne Aterrima (Anura: Microhylidae), With A Review Of Morphological Variation In Free-Swimming Microhylid Larvae, Maureen A. Donnelly, Rafael O. De Sá, Craig Guyer
Description Of The Tadpoles Of Gastrophryne Pictiventris And Nelsonophryne Aterrima (Anura: Microhylidae), With A Review Of Morphological Variation In Free-Swimming Microhylid Larvae, Maureen A. Donnelly, Rafael O. De Sá, Craig Guyer
Biology Faculty Publications
The tadpoles of Gastrophryne pictiventris and Nelsonophryne aterrima are described based on material collected in Costa Rica and Panama, respectively. The tadpole of G. pictiventris resembles those of the other species of Gastrophryne. The tadpole of N. aterrima differs from other New World microhylid tadpoles in location of the vent tube (medial), the spiracular opening (ventral to the gut), and eyes (dorsolateral). The unique configuration of mouthparts in N. aterrima is described. Morphological variation in microhylid tadpoles is reviewed and six larval characters are analyzed cladistically for IO New World microhylid genera.
Distribution And Marketing Of Western Australia Rock Lobster., P. J. Monaghan
Distribution And Marketing Of Western Australia Rock Lobster., P. J. Monaghan
Fisheries Management Papers
This report describes the marketing and distribution of Western Australian rock lobster products in the major consuming countries namely, USA, Japan and Taiwan. It is based on a study which was commissioned by the Fisheries Department of Western Australia who sought, for the benefit of industry generally, an understanding of the world lobster markets.
Southern Demersal Gillnet And Longline Fishery., Management Advisory Committee
Southern Demersal Gillnet And Longline Fishery., Management Advisory Committee
Fisheries Management Papers
In its report to the Ministier for Fisheries in November 1986, the Southern Western Australian Shark Working Group recommended the establishment of an Industry/Government Mangement Advisory Committee to provide managememt advice on the fishery to the Minister for Fisheries. The Advisory Committee held its first meeting in Albany on 23 February 1989. After being briefed on the state of shark stocks, the Committee's deliberations fell into three broad categories. In the first category there was sufficient time and information available to make a recommendation to the Minister for Fisheries. In the second category, discussion commenced, but was held over to …
Management Of The Perth Metropolitan Purse-Seine Fishery., N. Moore
Management Of The Perth Metropolitan Purse-Seine Fishery., N. Moore
Fisheries Management Papers
This report outlines the management plan for the limited entry purse-seine fishery for small pelagic fish in coastal waters between Lancelin and Cape Bouvard and seaward to the 200 mile limit of the Australian Fishing Zone. The plan includes Cockburn Sound.
A Review Of The Shark Bay Pearling Industry., D. A. Hancock
A Review Of The Shark Bay Pearling Industry., D. A. Hancock
Fisheries Management Papers
While there are currently only two pearl culture leases in Shark Bay, two new applications for leases have already been received by the W.A. Fisheries Department. Increased interest is being generated about pearl culture in Shark Bay, which will need to be considered against the background of management plans designed to restrict further entry into other areas, notably the pearly industry of W.A from Exmouth Gulf northwards, and the pearling industry of the Northern Territory. Recent successes with pearl culture in both those areas, and the greatly increased revenues and high lease transfer values realised, must inevitably focus interest on …
A Report On Marron Fishing In Western Australia., Doug Wenn
A Report On Marron Fishing In Western Australia., Doug Wenn
Fisheries Management Papers
The marroning experience is one enjoyed by many Western Australians. A rapid increase in fishing effort evidenced by the increase in number of recreational fishing licences issued, combined with low rainfall in the last few years resulted in a dramatic reduction of marron catch rates during 1986/87. In view of the state of marron stocks, the Minister for Fisheries considered it appropriate to close the 1987/88 marron season.
Rock Lobster Industry Advisory Committee Report To The Minister For Fisheries., Rock Lobster Industry Advisory Committee
Rock Lobster Industry Advisory Committee Report To The Minister For Fisheries., Rock Lobster Industry Advisory Committee
Fisheries Management Papers
The total catch of about 12.1 million kilograms for the 1987/88 season, based on processor returns, was an increase of 44% on the 1986/87 season. This very high catch, the third highest on record, resulted from an above average perulus settlement in 1983/84 and a "flow-on" of fast growing animals stemming from the expected high recruitment in 1988/990 caught as "reds" in 1987/88.
The Committee has identified five major elements related to the state of the rock lobster fishery upon which management advice is considered.
a) The undersize fraction of the population.
b) The "whites" which provide a significant proportion …
The Distribution Of Zooplankton In Selected Oregon Lakes, Mary Elizabeth Claska
The Distribution Of Zooplankton In Selected Oregon Lakes, Mary Elizabeth Claska
Dissertations and Theses
Zooplankton samples were collected from 166 Oregon lakes. The lakes included a wide range in size, trophic status, and water quality. Lakes were located throughout the state. Zooplankton were identified using standard taxonomic keys and counted. Seventy-four species were identified from the 200 total samples, including 32 species of cladocera, 22 copepods, and 11 rotifers. Two species of copepod were recorded for the first time in Oregon: Diaptomus mississippiensis and Diaptomus pallidus. Seven species had widespread distributions throughout most of the watersheds in the state. Seventeen other species had distributions restricted to eastern, central, or western Oregon. The remaining …
Front Matter, Elephant Editors
Report Of The Rock Lobster Industry Advisory Committee To The Hon. Minister For Fisheries., Rock Lobster Industry Advisory Committee
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 …
Behavioral Feeding Specialization In Pinaroloxias Inornata, The “Darwin's Finch” Of Cocos Island, Costa Rica, Tracey K. Werner, Thomas W. Sherry
Behavioral Feeding Specialization In Pinaroloxias Inornata, The “Darwin's Finch” Of Cocos Island, Costa Rica, Tracey K. Werner, Thomas W. Sherry
Dartmouth Scholarship
As a population, Cocos Finches exhibit a broad range of feeding behaviors spanning those of several families of birds on the mainland, while individuals feed as specialists year-round. Although this extreme intraspecific variability occurs as predicted in a tropical oceanic island environment, these specializations challenge contemporary ecological theory in that they are not attributable to individual differences in age, sex, gross morphology, or opportunistic exploitation of patchy resources. Instead, they appear to originate and be maintained behaviorally, possibly via observational learning. This phenomenon adds another direction to the evolutionary radiation of the Darwin's Finches and underscores the necessity for detailed …
Western Rock Lobster Industry Compensation Study. Report To The Rock Lobster Industry Advisory Committee By Arthur Young Services., Arthur Young Services
Western Rock Lobster Industry Compensation Study. Report To The Rock Lobster Industry Advisory Committee By Arthur Young Services., Arthur Young Services
Fisheries Management Papers
Terms of reference are outlined in letter dated 11 August 1986. The Fisheries Department seeks to reduce western rock lobster fishing capacity to ensure the long-term viability of the fishery and has asked us to evaluate the financial implications of a number of specific resource management proposals.