Analyses And Interpretation Of Steroid Hormones And Gonad Morphology In Fish Upper Athabasca River 1992

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Analyses for Circulating Gonadal Sex Steroids and Gonad Morphology in Fish, Peace, Athabasca and Slave River Basins, September to December, 1994

Download Analyses for Circulating Gonadal Sex Steroids and Gonad Morphology in Fish, Peace, Athabasca and Slave River Basins, September to December, 1994 PDF Online Free

Author : Scott Barrie Brown
Publisher : The Study
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Analyses for Circulating Gonadal Sex Steroids and Gonad Morphology in Fish, Peace, Athabasca and Slave River Basins, September to December, 1994 by : Scott Barrie Brown

Download or read book Analyses for Circulating Gonadal Sex Steroids and Gonad Morphology in Fish, Peace, Athabasca and Slave River Basins, September to December, 1994 written by Scott Barrie Brown and published by The Study. This book was released on 1996 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study was to examine reproductive indices in fish collected from the Peace, Athabasca, and Slave rivers and their major tributaries. The fish species targeted for collection and analyses were burbot, northern pike, longnose sucker, and flathead chub. Biochemical and histological approaches included analysing levels of gonadal sex steroid hormones, measuring gonad morphology, and estimating fecundity. Results are organised in to reference (upstream locations and tributaries receiving no inputs from pulp mills), near-field (within 100 kilometres downstream from a pulp mill source), and far-field (over 100 kilometres downstream) groups.

Analyses and Interpretation of Steroid Hormones and Gonad Morphology in Fish, Upper Athabasca River, 1992

Author : Scott B. (Scott Barrie) Brown
Publisher : The Study
ISBN 13 : 9780662207672
Total Pages : 82 pages
Book Rating : 4.2/5 (76 download)

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Book Synopsis Analyses and Interpretation of Steroid Hormones and Gonad Morphology in Fish, Upper Athabasca River, 1992 by : Scott B. (Scott Barrie) Brown

Download or read book Analyses and Interpretation of Steroid Hormones and Gonad Morphology in Fish, Upper Athabasca River, 1992 written by Scott B. (Scott Barrie) Brown and published by The Study. This book was released on 1993 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Report describing the results and interpretations of analytical findings of sex hormone levels and gonad maturation in four species of fish; Mountain whitefish (Prosopium williamsoni), longnose sucker (Catostomus catostomus), white sucker (Catostomus commersoni) and northern pike (Esox lucius); collected in the spring and fall of 1992 from the upper Athabasca River, central Alberta.

Analysis for Liver Mixed Function Oxidase in Fish, Upper Athabasca River, 1992

Author : W. Lyle Lockhart
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Analysis for Liver Mixed Function Oxidase in Fish, Upper Athabasca River, 1992 by : W. Lyle Lockhart

Download or read book Analysis for Liver Mixed Function Oxidase in Fish, Upper Athabasca River, 1992 written by W. Lyle Lockhart and published by . This book was released on 1996 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aquatic fauna of northern Alberta rivers are exposed to contaminants from municipal and industrial sources, including pulp mills. Studies of sub-lethal effects such as increased levels of enzyme activity can indicate an early response to environmental stress in these fauna. This paper reports on a project conducted to examine mixed function oxygenase activity in fish collected from six sites on the upper Athabasca River, upstream and downstream from the Hinton bleached kraft mill. The investigators applied two enzyme assays to fish liver samples collected from mountain whitefish, longnose sucker, northern pike, and white sucker. Enzyme activities were compared with contaminant residue levels and sex steroid hormones reported for the same fish in other related studies. Results presented compare levels of chlorinated dioxin and furan residues in the fish with the site-by-site pattern of enzyme activity.

Concentrations of Metallothionein in Fish, Peace, Athabasca and Slave River Basins, September to December, 1994

Author : J. F. Klaverkamp
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Concentrations of Metallothionein in Fish, Peace, Athabasca and Slave River Basins, September to December, 1994 by : J. F. Klaverkamp

Download or read book Concentrations of Metallothionein in Fish, Peace, Athabasca and Slave River Basins, September to December, 1994 written by J. F. Klaverkamp and published by . This book was released on 1996 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metallothioneins are a family of proteins whose synthesis in animal organs and tissues can be induced by exposure to heavy metals. This report describes metallothionein concentrations in fish collected from northern Alberta rivers and tributaries. The analyses incorporate results from examination of kidney, liver, intestine, and gill tissues of burbot, longnose sucker, northern pike, and flathead chub. Results are organised into reference (upstream locations and tributaries receiving no inputs from pulp mills), near-field (within 100 kilometres downstream from a pulp mill), and far-field (over 100 kilometres downstream).

A Database of Environmental Samples Collected and Analysed for the Northern River Basins Study

Author : Robert B. More
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis A Database of Environmental Samples Collected and Analysed for the Northern River Basins Study by : Robert B. More

Download or read book A Database of Environmental Samples Collected and Analysed for the Northern River Basins Study written by Robert B. More and published by . This book was released on 1996 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: An important component of the Northern River Basins Study was the original data resulting from the collection and analysis of environmental samples. Samples were collected, stored, and analysed by a number of different agencies, and an inventory of samples obtained by the Study and results data were compiled into a single electronic database to ensure future ease of access to the original data. This report describes the data contained in the database, the methods used to compile the database, the media and the nature of the samples, the collection site, and the data collected. Information is provided on which analyses were conducted on samples as well as the values of various parameters measured for the samples. All the files and the data fields that comprise the database are described in the users' guide in the report appendix.

Fish Collections, Peace, Athabasca and Slave River Basins, September to December, 1994

Author : Toni-Lynne Jacobson
Publisher :
ISBN 13 :
Total Pages : 234 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Fish Collections, Peace, Athabasca and Slave River Basins, September to December, 1994 by : Toni-Lynne Jacobson

Download or read book Fish Collections, Peace, Athabasca and Slave River Basins, September to December, 1994 written by Toni-Lynne Jacobson and published by . This book was released on 1995 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents a study that collected and prepared fish from 23 sites along the Peace, Athabasca, and Slave river drainages in order to conduct physical, physiological, contaminant, and biophysical analyses. The primary fish species targeted for collection and analysis was burbot, used as a sentinel species for monitoring contaminants in northern waters because of its wide distribution, ease of catching, place at the top of the aquatic food chain, and large liver which can bioaccumulate organic compounds. Other species collected were northern pike, longnose sucker, and flathead chub. Specific analyses included gross pathology, metals, liver mixed function oxygenase induction, sex steroids and gonad morphology, retinols, metallothioneins, and basic life history information. Fish were also examined externally and internally for gross pathological abnormalities and deformities. Appendices contain descriptions of fish collection and handling protocols, as well as detailed data.

Northern River Basins Study

Author : Northern River Basins Study (Canada)
Publisher :
ISBN 13 :
Total Pages : 292 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Northern River Basins Study by : Northern River Basins Study (Canada)

Download or read book Northern River Basins Study written by Northern River Basins Study (Canada) and published by . This book was released on 1996 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Report to the federal ministers of Environment and Indian & Northern Affairs, Alberta's Minister of Environmental Protection, and NWT's Minister of Renewable Resources. Summarises the main scientific findings of the Northern River Basins Study, which was established to examine the relationship between industrial, municipal, agricultural, and other development and the Peace, Athabasca, and Slave River basins. Reviews the characteristics of the northern river basins and their peoples, the organisation of the Study, and major findings in the areas of environmental overview, use of aquatic resources, traditional knowledge, flow regulation, fish distribution and habitat, nutrients, dissolved oxygen, contaminants, drinking water, ecosystem health, modelling, human health, and cumulative effects. Recommendations by the Study Board, First Nations, and scientific advisors regarding such issues as basin management, monitoring, research, public participation, and a successor organisation are then presented. Also includes a summary of opinions, suggestions, and recommendations expressed at 17 community workshops held throughout the northern river basins area.

Technical Reports of the Northern River Basins Study by Subject and Geographical Area Studied

Author : Mark S. J. Ouellett
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Technical Reports of the Northern River Basins Study by Subject and Geographical Area Studied by : Mark S. J. Ouellett

Download or read book Technical Reports of the Northern River Basins Study by Subject and Geographical Area Studied written by Mark S. J. Ouellett and published by . This book was released on 1997 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists Northern River Basins Study technical reports by issue number, subject, and geographic area studied. Subject areas used to classify the reports are: hydrology/hydraulics, nutrients/dissolved oxygen, contaminants, food chain, drinking water, other uses, traditional knowledge, and synthesis and modelling. Ten geographic divisions are used: three each for the Athabasca and Peace Rivers, and one each of the Wapiti/Smoky rivers, Peace-Athabasca Delta, Lake Athabasca, and Rivière des Rochers/Slave River.

Analyses of Dehydroretinol, Retinol, Retinyl Palmitate and Tocopherol in Fish, Peace, Athabasca and Slave River Basins, September to December, 1994

Download Analyses of Dehydroretinol, Retinol, Retinyl Palmitate and Tocopherol in Fish, Peace, Athabasca and Slave River Basins, September to December, 1994 PDF Online Free

Author : Scott Barrie Brown
Publisher : The Study
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Analyses of Dehydroretinol, Retinol, Retinyl Palmitate and Tocopherol in Fish, Peace, Athabasca and Slave River Basins, September to December, 1994 by : Scott Barrie Brown

Download or read book Analyses of Dehydroretinol, Retinol, Retinyl Palmitate and Tocopherol in Fish, Peace, Athabasca and Slave River Basins, September to December, 1994 written by Scott Barrie Brown and published by The Study. This book was released on 1996 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vitamin A (retinoids) and E (tocopherol) have received increasing attention as possible indicators of exposure to a variety of environmental pollutants. This study examines vitamin A and E indices in fish collected from northern Alberta rivers, where fish are exposed to a variety of industrial effluents, as part of a multi-faceted study into altered fish physiological function due to environmental contaminants. The fish species targeted for collection were burbot, northern pike, and longnose sucker. The investigators conducted biochemical analyses in the laboratory to determine levels of retinol, dehydroretinol, retinyl palmitate (three storage forms of vitamin A), beta carotene (precursor form of vitamin A), and tocopherol in fish livers. For comparison, results are organised into reference (upstream locations and tributaries receiving no input from pulp mills), near-field (within 100 kilometres downstream from a pulp mill source), and far-field (over 100 kilometres downstream) groups, where sample sizes were adequate.

Government Reports Annual Index

Author :
Publisher :
ISBN 13 :
Total Pages : 1220 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Government Reports Annual Index by :

Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1220 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dissolved Oxygen Requirements for Fish of the Peace, Athabasca and Slave River Basins

Author : M. A. Giles
Publisher : The Study
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Dissolved Oxygen Requirements for Fish of the Peace, Athabasca and Slave River Basins by : M. A. Giles

Download or read book Dissolved Oxygen Requirements for Fish of the Peace, Athabasca and Slave River Basins written by M. A. Giles and published by The Study. This book was released on 1996 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adverse effects of low environmental oxygen on fish reproduction represents a distinct possibility in the Athabasca and Peace drainages. Species spawning in late fall and winter, such as burbot, would be the most likely to be impacted by low dissolved oxygen (DO). This report describes a study whose objective was to define the temporal changes in reproductive hormones, identify changes in blood electrolytes, haemoglobin, hematocrit, and blood oxygen content, and evaluate the viability of eggs and sperm for burbot during the period of sexual development under normal and hypoxic conditions. The results evaluate the potential of realistic winter water temperatures and hypoxic conditions to impair reproductive performance and induce stress in spawning burbot in the Northern River Basins Study area.

Suitability of Small Fish Species for Monitoring the Effects of Pulp Mill Effluent on Fish Populations, Athabasca River, 1994 and 1995

Author : Wade Gibbons
Publisher :
ISBN 13 :
Total Pages : 282 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Suitability of Small Fish Species for Monitoring the Effects of Pulp Mill Effluent on Fish Populations, Athabasca River, 1994 and 1995 by : Wade Gibbons

Download or read book Suitability of Small Fish Species for Monitoring the Effects of Pulp Mill Effluent on Fish Populations, Athabasca River, 1994 and 1995 written by Wade Gibbons and published by . This book was released on 1996 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concerns that larger fish species may not be suitable as monitors of localised environments has resulted in new techniques for examining biochemical disruptions in smaller fish species. This study used these new methods to identify the potential of small fish species in monitoring effects of pulp mill effluents on the Athabasca River. The investigators first identified common sentinel species immediately upstream and downstream of pulp mill effluents at Hinton and Whitecourt. They conducted laboratory analyses on fish tissues from the two sentinel species identified (spoonhead sculpin and lake chub) to determine the potential for the pulp mill effluents to disrupt sex steroid levels and induce liver mixed-function oxidase activity. The fish specimens were collected in spring and fall during low flow periods.

Effects of Contaminants on Aquatic Organisms in the Peace, Athabasca and Slave River Basins

Author : John H. Carey
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Effects of Contaminants on Aquatic Organisms in the Peace, Athabasca and Slave River Basins by : John H. Carey

Download or read book Effects of Contaminants on Aquatic Organisms in the Peace, Athabasca and Slave River Basins written by John H. Carey and published by . This book was released on 1996 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Northern River Basins Study was established to examine the relationship between industrial, municipal, agricultural and other developments and the Peace, Athabasca and Slave River basins. Over 4 1/2 years about 150 projects or 'mini studies' were contracted by the Study under eight component categories including contaminats, drinking water, nutrients, traditional knowledge, hydrology / hydraulics, synthesis and modelling, food chain and other river uses.

Microlog, Canadian Research Index

Author :
Publisher :
ISBN 13 :
Total Pages : 1292 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Microlog, Canadian Research Index by :

Download or read book Microlog, Canadian Research Index written by and published by . This book was released on 1994 with total page 1292 pages. Available in PDF, EPUB and Kindle. Book excerpt: An indexing, abstracting and document delivery service that covers current Canadian report literature of reference value from government and institutional sources.

Northern River Basins Study Project Report

Author :
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Northern River Basins Study Project Report by :

Download or read book Northern River Basins Study Project Report written by and published by . This book was released on 1992 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Announcements & Index

Author :
Publisher :
ISBN 13 :
Total Pages : 636 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Government Reports Announcements & Index by :

Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1994 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Sediment Quality Assessment

Author : Graeme Batley
Publisher : CSIRO PUBLISHING
ISBN 13 : 1486303862
Total Pages : 332 pages
Book Rating : 4.4/5 (863 download)

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Book Synopsis Sediment Quality Assessment by : Graeme Batley

Download or read book Sediment Quality Assessment written by Graeme Batley and published by CSIRO PUBLISHING. This book was released on 2016-02-01 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contaminated sediments represent an ongoing threat to the health of aquatic ecosystems. The assessment of sediment quality is, therefore, an important concern for environmental regulators. Sediment quality guidelines are now well established in regulatory frameworks worldwide; however, practical guidance that covers all of the key aspects of sediment quality assessment is not readily available. In 2005, CSIRO published its highly cited Handbook for Sediment Quality Assessment. In the ensuing period, the science has advanced considerably. This practical guide is a revised and much expanded second edition, which will be a valuable tool for environmental practitioners. Written by experts in the field, it provides coverage of: sediment sampling; sample preparation; chemical analysis; ecotoxicology; bioaccumulation; biomarkers; and ecological assessment. In addition, detailed appendices describe protocols for many of the tests to be used.