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Articles 3151 - 3180 of 3459
Full-Text Articles in Ecology and Evolutionary Biology
Leptodactylus Silvanimbus (Amphibia: Anura: Leptodactylidae): Natural History Notes, Advertisement Call, And Relationships, W. Ronald Heyer, Rafael O. De Sá, James R. Mccranie, Larry David Wilson
Leptodactylus Silvanimbus (Amphibia: Anura: Leptodactylidae): Natural History Notes, Advertisement Call, And Relationships, W. Ronald Heyer, Rafael O. De Sá, James R. Mccranie, Larry David Wilson
Biology Faculty Publications
In July 1995, we visited two of the three previously known localities for Leprodactylus silvanimbus in Departamento de Ocotepeque, Honduras. We found a new breeding site for the species, recorded its advertisement call, and collected and observed its adults and larvae. The purpose of this paper is to present the results of these new findings and to comment on the relationships L. silvanimbus.
Hyla Multifasciata, Rafael O. De Sá
Hyla Multifasciata, Rafael O. De Sá
Biology Faculty Publications
Hyla multifasciata is a medium to large species in the albopunctata species group, adults ranging in size from 42 - 61 mm SVL (mean male SVL = 48 mm, mean female SVL = 53 mm). The head is longer than wide. The snout is rounded in dorsal view, whereas in lateral view it is rounded and protrudes slightly beyond the mandible. The canthus rostralis is rounded and distinct, the loreal region is concave, and the internarial region is convex. The eyes are large, approximately twice the diameter of the tympanum. The tympanum is separated from the eye by a distance …
Características De La Osificación Craneal En Phyllomedusa Boliviana (Anura: Hylidae), Rafael O. De Sá, E. O. Lavilla
Características De La Osificación Craneal En Phyllomedusa Boliviana (Anura: Hylidae), Rafael O. De Sá, E. O. Lavilla
Biology Faculty Publications
RESUMEN. Dentro de la familia Hylidae disponemos de información sobre las secuencias de osificación craneal para menos del 4.0% de sus miembros. El presente trabajo describe la secuencia de osificación craneal de Phyllomedusa boliviana. El patrón general de osificación es similar a lo reportado para otras especies de la familia, pero existen algunas diferencias importantes tales como la osificación tardía de los próoticos y la osificación premetamórfica de neopalatino, vómer, cuadrado-yugal, pterigoides y columela. El lento desarrollo ulterior de la osificación resulta en juveniles con cráneos extensamente cartilaginosos.
ABSTRACT. Characteristics of the cranial ossification in Phyllomedusa …
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 …
Feeding And Nesting Ecology Of The Great Kiskadee, Pitangus Sulphuratus Texanus (Passeriformes: Tyrannidae) In The Lower Rio Grande Valley, Texas, Robert Luis Gorena
Feeding And Nesting Ecology Of The Great Kiskadee, Pitangus Sulphuratus Texanus (Passeriformes: Tyrannidae) In The Lower Rio Grande Valley, Texas, Robert Luis Gorena
Theses and Dissertations - UTB/UTPA
The foraging and nesting ecology of the Great Kiskadee was studied in the Lower Rio Grande Valley, Texas during 1994 and 1995. Adult kiskadees were found to be omnivorous, feeding mainly on fleshy fruits, fish, and dragonflies, and capturing animal prey mainly by surface gleaning into water or hawking prey out of midair. Nests are constructed mainly during March and April and are built at heights between 6 and 10 meters apparently without preference to tree species. Of 29 nests observed, 66% (19) were active during at least part of the breeding season. Nestlings are fed a diet very similar …
The Impact Of The New Management Package On Smaller Operators In The Western Rock Lobster Fishery, Ross Gould
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 …
West Coast Rock Lobster Fishery Management Plan 1995 - Draft For Public Comment, M. Moran
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 …
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.
Water Quality Analysis Of Eastern Kentucky Reservoirs, Stephen E. Davis Iii
Water Quality Analysis Of Eastern Kentucky Reservoirs, Stephen E. Davis Iii
Morehead State Theses and Dissertations
A thesis presented to the faculty of the College of Science and Technology at Morehead State University in partial fulfillment of the requirements for the Degree of Master of Science in Biology by Stephen E. Davis III on July 19, 1995.
Translocation Issues In Western Australia: Proceedings Of A Seminar And Workshop Held On 26th And 27th September 1994, F. B. Prokop
Translocation Issues In Western Australia: Proceedings Of A Seminar And Workshop Held On 26th And 27th September 1994, F. B. Prokop
Fisheries Management Papers
The Recreational Fishing Advisory Committee (RFAC) approved holding this translocation seminar to air the translocation of fish for recreational enhancement in a public forum. This forum will identify issues including establishing common ground between the variety of interest groups which are represented. Contentious areas which require further investigation and consultation should become apparent, and assist the formulation of appropriate policies on translocation for Western Australia.
Management Options (Discussion Paper) For The Shark Bay Snapper Limited Entry Fishery, Shark Bay Snapper Limited Entry Fishery Working Group, Doug Bathgate
Management Options (Discussion Paper) For The Shark Bay Snapper Limited Entry Fishery, Shark Bay Snapper Limited Entry Fishery Working Group, Doug Bathgate
Fisheries Management Papers
At the Annual Management Meeting of the Shark Bay Snapper Limited Entry Fishery held on 22 July 1994 industry put forward a proposal that supplementary and non-transferable quota that was "lost" to the fishery when a licence holding non-transferable quota was transferred should be retained by the Fisheries Department and leased back to licence holders on an annual basis. As a result of this proposal and the fact that the management arrangements for the fishery are extremely complex and in need of simplification, the Minster for Fisheries approved the establishment of a Working Group to examine the lease-back proposal and …
Management Of The Northern Demersal Scalefish Fishery, Jane Fowler
Management Of The Northern Demersal Scalefish Fishery, Jane Fowler
Fisheries Management Papers
In mid 1994, the Fisheries Department of Western Australia announced that it would prepare a discussion paper setting out options for future management of the demersal scalefish fishery off the Kimberley coast. This paper, which was to be the start of a wider consultative process, was also to include options for possible further development of the trap and line fisheries. This paper is only the first step in a process for developing formal long term management arrangements under the new fisheries legislation, the Fish Resources Management Act 1994. Its aim is to provide some background and to present some management …
Report On Future Management Options For The South West Trawl Limited Entry Fishery, South West Trawl Limited Entry Fishery Working Group
Report On Future Management Options For The South West Trawl Limited Entry Fishery, South West Trawl Limited Entry Fishery Working Group
Fisheries Management Papers
As a result of community concern regarding trawling, the current management rules for the South West Trawl Limited Entry Fishery were finalised in February 1989 and the final plan was gazetted in October of that year. However, there was public disquiet about this trawling, and as a result of this disquiet, a research program was initiated by the Fisheries Department with funding received from both the Commonwealth and State Governments. The scientific report, "The impact of trawling for saucer scallops and western king prawns on the benthic communities in coastal waters off south-western Australia" by L J B Laurenson, P …
The Bag And Size Limit Review: New Regulations And Summary Of Submissions, F. B. Prokop, J M. Collins
The Bag And Size Limit Review: New Regulations And Summary Of Submissions, F. B. Prokop, J M. Collins
Fisheries Management Papers
Since the new bag and size limits were introduced in December 1991, there have been many suggestions for refinement and improvement of these regulations. This paper includes the summary of submissions to Fisheries Management Paper No 52 - Review of Bag and Size Limit Proposals for Western Australian Recreational Fishers and details new regulations which will come into force on 1 July 1995.
The Best Available Information - Its Implications For Recreational Fisheries Management, F. B. Prokop
The Best Available Information - Its Implications For Recreational Fisheries Management, F. B. Prokop
Fisheries Management Papers
Workshop at Second National Fisheries Managers Conference, Bribie Island, Queensland, October 18, 1994. Recreational fisheries management is one of the growth areas in Australian fisheries. The Australian Society for Fish Biology Workshop topic for its 1994 Conference was Recreational Fishing - What's the Catch. It was acknowledged at the ASFB conference that there were generally poor levels of information and for the lower value commercial and recreational fisheries there may be no way to gather definitive research data for the foreseeable future. However, in even the high profile fisheries, public perceptions, attitudes, and political will do not allow for the …
Draft Report Of The South Coast Estuarine Fishery Working Group, South Coast Estuarine Fishery Workng Group
Draft Report Of The South Coast Estuarine Fishery Working Group, South Coast Estuarine Fishery Workng Group
Fisheries Management Papers
The South Coast Estuarine Working Group was established in 1991 at the request of commercial fishermen by the Minister of the day. This report outlines a draft management plan for the South Coast Estuarine fishery that was made available for public comment.
Phylogenetic Reanalysis Of Strauch's Osteological Data Set For The Charadriiformes, Philip C. Chu
Phylogenetic Reanalysis Of Strauch's Osteological Data Set For The Charadriiformes, Philip C. Chu
Biology Faculty Publications
Strauch's (1978) compatibility analysis of relationships among the shorebirds (Charadriiformes) was the first study to examine the full range of charadriiform taxa in a reproducible way. Subsequently Mickevich and Parenti (1980) leveled serious charges against Strauch's characters, method of phylogenetic inference, and results. To account for these charges, Strauch's characters were re-examined and recoded, and parsimony analyses were performed on the revised matrix. A parsimony analysis on 74 taxa from the revised matrix yielded 855 shortest trees, each length = 286 and consistency index = 0.385. In each shortest tree there were two major lineages, a lineage of sandpiper-like birds …
Implications Of Native Title Legislation For Fisheries Management And The Fishing Industry In Western Australia, Patricia Summerfield
Implications Of Native Title Legislation For Fisheries Management And The Fishing Industry In Western Australia, Patricia Summerfield
Fisheries Management Papers
This paper seeks to examine the key issues of both State and Commonwealth native title legislation for the fishing industry and fisheries management in Western Australia. Considerations for Aboriginal involvement in the industry and long-standing as well as recent concessionary arrangements for traditional usage of fish resources are examined. Industry reactions and future plans to accommodate native title in a positive framework are explored.
Sex And Extinction, Jennifer M. Eckman
Sex And Extinction, Jennifer M. Eckman
Honors Theses, 1963-2015
Sexual reproduction, the process of generating offspring through genetic recombination, is viewed as evolutionarily advantageous to a population by enabling it to respond more readily to environmental change. Support of this hypothesis comes from the observation that the majority of species employ some mode of sexual reproduction. Asexual reproduction is relatively rare, suggesting that these species reduce their chances of survival. This project examines some of the parameters that relate to a population's ability to respond to its environment. Using a program coded in FORTRAN, a Monte Carlo model has been developed to test the role of recombination on population …
Within-Pair Copulations: Are Female Tree Swallows Feathering Their Own Nests?, Michael P. Lombardo
Within-Pair Copulations: Are Female Tree Swallows Feathering Their Own Nests?, Michael P. Lombardo
Peer Reviewed Publications
A variety of hypotheses has been proposed to explain why socially monogamous birds copulate repeatedly with their mates when only a single copulation is necessary to fertilize an entire clutch (Birkhead and Møller 1992, Petrie 1992, Hunter et al. 1993). Petrie (1992) hypothesized that a female should copulate frequently with her mate so as to reduce her mate’s involvement in extrapair copulations. By reducing her mate’s involvement in extrapair copulations, a female may: (1) avoid the transmission of parasites and sexually transmitted diseases (Hamilton 1990); (2) may avoid sperm depletion by her mate; and (3) may monopolize her mate’s paternal …
Unstable And Stable Classifications Of Scombroid Fishes, Kent E. Carpenter, Bruce B. Collette, Joseph L. Russo
Unstable And Stable Classifications Of Scombroid Fishes, Kent E. Carpenter, Bruce B. Collette, Joseph L. Russo
Biological Sciences Faculty Publications
Many cladists believe that a classification should strictly reflect a cladistic hypothesis. Consequently, they propose classifications that often differ markedly from existing ones and are potentially unstable due to phylogenetic uncertainty. This is problematic for economically or ecologically important organisms since changing classifications can cause confusion in their management as resources. The classification of the 44 genera of scombroid fishes (the mackerels, tunas, billfishes, and their relatives) illustrates this problem of instability. Previous cladistic analyses and analyses presented in this paper, using different data sets, result in many different cladistic hypotheses. In addition, the inferred cladograms are unstable because of …
Specimen Catalog & Field Notes, Angela L. Adams
Specimen Catalog & Field Notes, Angela L. Adams
Division of Mammals - Field Notes and Catalogs
No abstract provided.
Shark Bay World Heritage Area Draft Management Plan For Fish Resources, Fisheries Department Of Western Australia
Shark Bay World Heritage Area Draft Management Plan For Fish Resources, Fisheries Department Of Western Australia
Fisheries Management Papers
Shark Bay was inscribed on the World Heritage List in December 1991 on the basis of its natural values. The Department of Conservation and Land Management (CALM) is the management agency with responsibility for the oversight and development of management plans dealing with both the marine and terrestrial aspects of the World Heritage Area. This Draft plan deals with the management of fish resources in the Shark Bay World Heritage Area which are the responsibility of the Fisheries Department of Western Australia.
Rock Lobster Industry Advisory Commitee Chairman's Report, October 1994 - The Western Rock Lobster Fishery - Management Proposals For The 1994/95 And 1995/96 Seasons, Rock Lobster Industry Advisory Committee, Peter Rogers
Rock Lobster Industry Advisory Commitee Chairman's Report, October 1994 - The Western Rock Lobster Fishery - Management Proposals For The 1994/95 And 1995/96 Seasons, Rock Lobster Industry Advisory Committee, Peter Rogers
Fisheries Management Papers
The failures of past restrictions on fishing effort to fully halt the decline of the breeding stock led to the formation of a sub-committee of the Rock Lobster Industry Advisory Committee. The prime objective of the sub-committee is to evaluate effective long term strategies for managing the fishery so that breeding stock is maintained at an adequate level despite the inevitable increases in catching efficiency. The purpose of this report is firstly to advise industry of the management proposals for the 1994/95 seasons and secondly to form a basis for industry consultation on management arrangements for the 1995/96 season.
Long Term Management Strategies For The Western Rock Lobster Fishery (4 Volumes) - Law Enforcement Considerations (Volume 4), Neil Mclaughlan
Long Term Management Strategies For The Western Rock Lobster Fishery (4 Volumes) - Law Enforcement Considerations (Volume 4), Neil Mclaughlan
Fisheries Management Papers
This report has been prepared for the consideration of the RLIAC Sub Committee in consultation with members of the Sub Committee working group on law enforcement and with senior staff of the Operations Division of the Fisheries Department. It is focussed exclusively on law enforcement issues associated with the management options for the West Australian west coast rock lobster fishery which were under consideration by the Sub Committee at the time of report preparation and should be read in conjunction with Fisheries Management Paper No. 67 entitled "Evaluation of management options" which covers the broader industry management issues. This report …
Long Term Management Strategies For The Western Rock Lobster Fishery (4 Volumes) - A Market-Based Economic Assessment For The Western Rock Lobster Industry (May 1994) (Volume 3), Marec Pty Ltd
Fisheries Management Papers
In October 1992 a special Sub-Committee of the Rock Lobster Industry Advisory Committee was set up to consider and evaluate future management strategies for the rock lobster fishery. Pursuant to this the Director of Fisheries commissioned a marketing study that is the basis of this report. This study was commenced in early October 1993 and completed in May 1994. This study looked at the market implications of fishery's management strategies. In particular it assesses how the existing management structure limits the potential for the lobster industry to maximise the financial return, and in doing so provides an insight into the …
Long Term Management Strategies For The Western Rock Lobster Industry (4 Volumes) - Economic Efficiency Of Alternative Input And Output Based Management Systems In The Western Rock Lobster Fishery (Volume 2), Bob Lindner
Fisheries Management Papers
Since 1965, the Western Rock Lobster Fishery has been managed by what is essentially a license limitation scheme invoiving restricted entry for boats, and strict controls on the aggregate number of pots which can be used by the commercial fishing sector. By most measures, management of this fishery has been highly successful. Biological over-exploitation of the fish stock has been prevented, at least until recently. Notwithstanding these achievements, there is widespread concern that the future profitability, and even the viability of the industry is under threat unless the current management practices are reformed. Because of the complexity and intrinsic uncertainty …
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 …
Instructions For Building Two Live Traps For Small Mammals, Robert K. Rose
Instructions For Building Two Live Traps For Small Mammals, Robert K. Rose
Biological Sciences Faculty Publications
The two live traps described herein, tested in the field over a period of 10 years, are sturdy, long-lasting, and relatively inexpensive to build with readily available materials and simple tools.
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.