Lobsters And Other Invertebrates In Relation To Bottom Habitat In The Bras Dor Lakes

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Lobsters and Other Invertebrates in Relation to Bottom Habitat in the Bras D'Or Lakes

Author : M. J. Tremblay
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Lobsters and Other Invertebrates in Relation to Bottom Habitat in the Bras D'Or Lakes by : M. J. Tremblay

Download or read book Lobsters and Other Invertebrates in Relation to Bottom Habitat in the Bras D'Or Lakes written by M. J. Tremblay and published by . This book was released on 2005 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Underwater bottom video and SCUBA transects were used to assess habitat and to measure the density of lobsters (Homarus americanus), crabs and other invertebrates in the Bras d'Or Lakes in July and September of 2002 and 2003. A total of 88 video transects were conducted in East Bay, West Bay, the Barra Strait area and the outer Great Bras d'Or (New Campbellton and Cape Dauphin). A total of 50 dive transects were completed in the same areas as the video transects. Few lobsters and crabs were seen during the video transects. Bottom habitats ranged from low structure bottoms such as mud or sand with sea urchins to moderate structure bottoms (occasional boulders and cobbles on mud or sand) to high structure bottoms (extensive boulders with macrophyte cover). East Bay in particular was dominated by low structure bottom types. West Bay had more of the moderate structure bottoms and Cape Dauphin had the highest proportion of high structure bottom. The densities of lobsters from dive transects ranged from 0.019 m-2 off Cape Dauphin to 0.0005 m-2 in East Bay. Rock crab (Cancer irroratus) densities were highest in the outer Great Bras d'Or Channel (0.045 m-2) in a commercial rock crab fishing area, followed by Cape Dauphin (0.023 m-2), and were lowest in East Bay (0.002 m-2). Green crab (Carcinus maenas) densities were highest off Crammond Islands in West Bay (0.009 m-2) and lowest off East Bay (0.0005 m-2) and Cape Dauphin (none observed). Quadrat sampling during SCUBA transects provided data on other epibenthic invertebrates. The most abundant group was sea urchins (Strongylocentrotus droebachiensis) followed by starfish (Asterias vulgaris) and periwinkles (Littorina sp.). Although good lobster habitat appears to be in short supply in Bras d'Or Lake, several areas of good lobster habitat in West Bay had much lower lobster densities than comparable areas outside of Bras d'Or Lakes. As such, factors other than physical habitat alone appear to be limiting the abundance of lobsters in these areas of West Bay. The success of attempts to enhance lobster stocks in Bras d'Or Lakes will depend on understanding what the key limiting factors are

Lobsters and Other Invertebrates in Relation to Bottom Habitat in the Bras Do̕r Lakes

Author : M. John Trembly
Publisher :
ISBN 13 :
Total Pages : 47 pages
Book Rating : 4.:/5 (254 download)

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Book Synopsis Lobsters and Other Invertebrates in Relation to Bottom Habitat in the Bras Do̕r Lakes by : M. John Trembly

Download or read book Lobsters and Other Invertebrates in Relation to Bottom Habitat in the Bras Do̕r Lakes written by M. John Trembly and published by . This book was released on 2005 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Shared Knowledge to Identify American Lobster/jakej (Homarus Americanus) Movement Patterns and Habitat Use in the Bras D'Or Lake/Pitu'paq

Download Shared Knowledge to Identify American Lobster/jakej (Homarus Americanus) Movement Patterns and Habitat Use in the Bras D'Or Lake/Pitu'paq PDF Online Free

Author : Shannon Landovskis
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)

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Book Synopsis Shared Knowledge to Identify American Lobster/jakej (Homarus Americanus) Movement Patterns and Habitat Use in the Bras D'Or Lake/Pitu'paq by : Shannon Landovskis

Download or read book Shared Knowledge to Identify American Lobster/jakej (Homarus Americanus) Movement Patterns and Habitat Use in the Bras D'Or Lake/Pitu'paq written by Shannon Landovskis and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Natural sciences are dominated by western knowledge and often discount Indigenous knowledge systems. This study uses Two-Eyed Seeing/Etuaptmumk to identify movement patterns and habitat use of American lobster/jakej in the Bras d'Or Lake/Pitu'paq. Lobster productivity within the lake is low and there is a lack of characteristic lobster habitat in the study bay, yet Mi'kmaw knowledge confirms high site fidelity of lobster within this area. Fine-scale movement patterns derived with acoustic telemetry positioning systems were paired with quantitative habitat analysis to perform integrated step selection analyses. Few lobsters exhibited a significant effect of substrate on habitat selection. This can be a result of the life stage of study lobsters or their abundance and distribution within the study site. Adaptive co-management, utilizing a framework that values diverse ways of knowing, can lead to evidence-based management that supports Mi'kmaw self-determination and leads to stronger and more equitable management of lobster.

FAO Species Identification Sheets for Fishery Purposes

Author : W. Fischer
Publisher :
ISBN 13 :
Total Pages : 294 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis FAO Species Identification Sheets for Fishery Purposes by : W. Fischer

Download or read book FAO Species Identification Sheets for Fishery Purposes written by W. Fischer and published by . This book was released on 1978 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Eutrophication: causes, consequences and control

Author : Abid A. Ansari
Publisher : Springer Science & Business Media
ISBN 13 : 9048196256
Total Pages : 402 pages
Book Rating : 4.0/5 (481 download)

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Book Synopsis Eutrophication: causes, consequences and control by : Abid A. Ansari

Download or read book Eutrophication: causes, consequences and control written by Abid A. Ansari and published by Springer Science & Business Media. This book was released on 2010-10-17 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Eutrophication continues to be a major global challenge to water quality scientists. The global demand on water resources due to population increases, economic development, and emerging energy development schemes has created new environmental challenges to global sustainability. Eutrophication, causes, consequences, and control provides a current account of many important aspects of the processes of natural and accelerated eutrophication in major aquatic ecosystems around the world. The connections between accelerated eutrophication and climate change, chemical contamination of surface waters, and major environmental and ecological impacts on aquatic ecosystems are discussed. Water quality changes typical of eutrophication events in major climate zones including temperate, tropical, subtropical, and arid regions are included along with current approaches to treat and control increased eutrophication around the world. The book provides many useful new insights to address the challenges of global increases in eutrophication and the increasing threats to biodiversity and water quality.

Biology of Invertebrate and Lower Vertebrate Collagens

Author : A. Bairati
Publisher : Springer Science & Business Media
ISBN 13 : 146847636X
Total Pages : 582 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Biology of Invertebrate and Lower Vertebrate Collagens by : A. Bairati

Download or read book Biology of Invertebrate and Lower Vertebrate Collagens written by A. Bairati and published by Springer Science & Business Media. This book was released on 2013-03-08 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge in the field of the biology of the extracellular matrix, and in particular of collagen, has made considerable progress over the last ten years, especially in mammals, birds and ln man with respect to very important applied medical aspects. Basic knowledge in the animal kingdom overall has increased more slowly and haphazardly. We, therefore, considered it useful to organize a meeting specifically devoted to the study of the invertebrate and lower vertebrate collagens. The NATO Scientific Division financed an Advanced Research Workshop aimed at bringing together experts qualified in collagen biology (with morphological, biochemical and genetic specialization) with researchers who are currently studying collagenous tissues of invertebrates and lower vertebrates. The Medical-Biology Committee of the CNR-Rome and the University of Milan also supplied interest and support for the organization of this Meeting. The format of the workshop consisted in: 1) main lectures on the most recent aspects of collagen biology; 2) minireviews on the current knowledge of collagenous tissues in the various invertebrate phyla and in fish; 3) contributed papers on particular aspects of research in specific fields; 4) workshops on the methodology of studying collagen. As we had intended, the Workshop gave a comprehensive overview of acquired knowledge and of the present state of research actlvlty. It permitted wide interdisciplinary discussion, enabling collabora tions to be established and new research themes to be chosen. This volume contains the text of all the contributions presented at the Meeting, including posters.

Coastal Marine Ecosystems of Latin America

Author : U. Seeliger
Publisher : Springer Science & Business Media
ISBN 13 : 3540672281
Total Pages : 394 pages
Book Rating : 4.5/5 (46 download)

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Book Synopsis Coastal Marine Ecosystems of Latin America by : U. Seeliger

Download or read book Coastal Marine Ecosystems of Latin America written by U. Seeliger and published by Springer Science & Business Media. This book was released on 2000-10-18 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coastal and marine ecosystems, some severely degraded, other still pristine, control rich resources of inshore environments and coastal seas of Latin America's Pacific and Atlantic margins. Conflicts between the needs of the region's nations and diminishing revenues and environmental quality have induced awareness of coastal ecological problems and motivated financial support for restoration and management. The volume provides a competent review on the structure, processes and function of 22 important Latin American coastal marine ecosystems. Each contribution describes the environmental settings, biotic components and structure of the system, considers trophic processes and energy flow, evaluates the modifying influence of natural and human perturbations, and suggests management needs. Although the focus of the book is on basic ecological research, the results have application for coastal managers.

Trophic Models of Aquatic Ecosystems

Author : Villy Christensen
Publisher : WorldFish
ISBN 13 : 9711022842
Total Pages : 402 pages
Book Rating : 4.7/5 (11 download)

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Book Synopsis Trophic Models of Aquatic Ecosystems by : Villy Christensen

Download or read book Trophic Models of Aquatic Ecosystems written by Villy Christensen and published by WorldFish. This book was released on 1993 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Animal Evolution

Author : NATURAL SCIENCES and MATHEMATICS (500)
Publisher : OUP Oxford
ISBN 13 : 0191579130
Total Pages : 264 pages
Book Rating : 4.1/5 (915 download)

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Book Synopsis Animal Evolution by : NATURAL SCIENCES and MATHEMATICS (500)

Download or read book Animal Evolution written by NATURAL SCIENCES and MATHEMATICS (500) and published by OUP Oxford. This book was released on 2009-08-13 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Animal life, now and over the past half billion years, is incredibly diverse. Describing and understanding the evolution of this diversity of body plans - from vertebrates such as humans and fish to the numerous invertebrate groups including sponges, insects, molluscs, and the many groups of worms - is a major goal of evolutionary biology. In this book, a group of leading researchers adopt a modern, integrated approach to describe how current molecular genetic techniques and disciplines as diverse as palaeontology, embryology, and genomics have been combined, resulting in a dramatic renaissance in the study of animal evolution. The last decade has seen growing interest in evolutionary biology fuelled by a wealth of data from molecular biology. Modern phylogenies integrating evidence from molecules, embryological data, and morphology of living and fossil taxa provide a wide consensus of the major branching patterns of the tree of life; moreover, the links between phenotype and genotype are increasingly well understood. This has resulted in a reliable tree of relationships that has been widely accepted and has spawned numerous new and exciting questions that require a reassessment of the origins and radiation of animal life. The focus of this volume is at the level of major animal groups, the morphological innovations that define them, and the mechanisms of change to their embryology that have resulted in their evolution. Current research themes and future prospects are highlighted including phylogeny reconstruction, comparative developmental biology, the value of different sources of data and the importance of fossils, homology assessment, character evolution, phylogeny of major groups of animals, and genome evolution. These topics are integrated in the light of a 'new animal phylogeny', to provide fresh insights into the patterns and processes of animal evolution. Animal Evolution provides a timely and comprehensive statement of progress in the field for academic researchers requiring an authoritative, balanced and up-to-date overview of the topic. It is also intended for both upper level undergraduate and graduate students taking courses in animal evolution, molecular phylogenetics, evo-devo, comparative genomics and associated disciplines.

A Century of Maritime Science

Author : Jennifer Hubbard
Publisher : University of Toronto Press
ISBN 13 : 1442648589
Total Pages : 486 pages
Book Rating : 4.4/5 (426 download)

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Book Synopsis A Century of Maritime Science by : Jennifer Hubbard

Download or read book A Century of Maritime Science written by Jennifer Hubbard and published by University of Toronto Press. This book was released on 2016-01-01 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Century of Maritime Science reviews the fisheries, environmental, oceanographic, and aquaculture research conducted over the last hundred years at St. Andrews from the perspective of the participating scientists.

Current Concepts in Forensic Entomology

Author : Jens Amendt
Publisher : Springer Science & Business Media
ISBN 13 : 1402096844
Total Pages : 376 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Current Concepts in Forensic Entomology by : Jens Amendt

Download or read book Current Concepts in Forensic Entomology written by Jens Amendt and published by Springer Science & Business Media. This book was released on 2010-01-06 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forensic Entomology deals with the use of insects and other arthropods in medico legal investigations. We are sure that many people know this or a similar definition, maybe even already read a scientific or popular book dealing with this topic. So, do we really need another book on Forensic Entomology? The answer is 13, 29, 31, 38, and 61. These are not some golden bingo numbers, but an excerpt of the increasing amount of annual publications in the current decade dealing with Forensic Entomology. Comparing them with 89 articles which were published d- ing the 1990s it illustrates the growing interest in this very special intersection of Forensic Science and Entomology and clearly underlines the statement: Yes, we need this book because Forensic Entomology is on the move with so many new things happening every year. One of the most attractive features of Forensic Entomology is that it is multid- ciplinary. There is almost no branch in natural science which cannot find its field of activity here. The chapters included in this book highlight this variety of researches and would like to give the impetus for future work, improving the dev- opment of Forensic Entomology, which is clearly needed by the scientific com- nity. On its way to the courtrooms of the world this discipline needs a sound and serious scientific background to receive the acceptance it deserves.

Natural History of Nova Scotia: Topics and habitats

Author : Derek S. Davis
Publisher : [Halifax, N.S.] : Nova Scotia Museum
ISBN 13 :
Total Pages : 536 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Natural History of Nova Scotia: Topics and habitats by : Derek S. Davis

Download or read book Natural History of Nova Scotia: Topics and habitats written by Derek S. Davis and published by [Halifax, N.S.] : Nova Scotia Museum. This book was released on 1996 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Produced in joint with the Dapartmant of lands and Forests. The history of Nova Scotia.

Seaweeds and Their Uses

Author : Valentine Chapman
Publisher :
ISBN 13 : 9789400958074
Total Pages : 350 pages
Book Rating : 4.9/5 (58 download)

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Book Synopsis Seaweeds and Their Uses by : Valentine Chapman

Download or read book Seaweeds and Their Uses written by Valentine Chapman and published by . This book was released on 1980-10-30 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Travancore State Manual

Author : Travancore (Princely State)
Publisher :
ISBN 13 :
Total Pages : 792 pages
Book Rating : 4.A/5 ( download)

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Book Synopsis The Travancore State Manual by : Travancore (Princely State)

Download or read book The Travancore State Manual written by Travancore (Princely State) and published by . This book was released on 1906 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Offshore Oil and Gas Environmental Effects Monitoring

Author : Shelley L. Armsworthy
Publisher :
ISBN 13 :
Total Pages : 658 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Offshore Oil and Gas Environmental Effects Monitoring by : Shelley L. Armsworthy

Download or read book Offshore Oil and Gas Environmental Effects Monitoring written by Shelley L. Armsworthy and published by . This book was released on 2005 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offshore oil and gas drilling operations take place in some of the world's most biologically productive oceanic waters. An ongoing concern related to the development of this industry is that exposure to contaminants from waste discharges may cause ill effects on organisms and their habitat. Environmental Effects Monitoring (EEM) programs are undertaken to verify environmental impact assessment predictions, to detect any unforeseen effects, and to help identify cause-effect relationships. EEM has been carried out worldwide for many offshore developments, and much has been learned about the fate of drilling and production contaminants and their biological effects. EEM programs have rapidly evolved in response to new knowledge on the transport, fate, and effects of potential contaminants; changes in regulatory requirements; and improved impact assessment technologies and statistical approaches for data interpretation. In May 2003, an international group of scientists, environmental managers, and industry representatives shared their expertise and new knowledge at the Offshore Oil and Gas Environmental Effects Monitoring Workshop. The participants reviewed the status of current offshore oil and gas EEM programs and identified future research needs to advance our understanding of the impacts of the offshore oil and gas industry. This book represents a selected number of peer-reviewed papers from workshop participants, covering a range of topics including regional experience from past and ongoing EEM programs; environmental management issues such as risk assessment and decision-making processes; the development of predictive risk assessment models; and new approaches and technologies formonitoring potential alterations in benthic, pelagic, and tropospheric ecosystem components. This book will be of use to scientists, environmental managers, regulators, and industry representatives, as well as members of the general public wishing to improve their understanding on the application of offshore oil and gas EEM programs for the protection of our ocean environment and its resources.

Marine Renewable Energy

Author : Zhaoqing Yang
Publisher : Springer
ISBN 13 : 3319535366
Total Pages : 396 pages
Book Rating : 4.3/5 (195 download)

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Book Synopsis Marine Renewable Energy by : Zhaoqing Yang

Download or read book Marine Renewable Energy written by Zhaoqing Yang and published by Springer. This book was released on 2017-04-24 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: This complete reference to marine renewable energy covers aspects of resource characterization and physical effects of harvesting the ocean’s vast and powerful resources—from wave and tidal stream to ocean current energy. Experts in each of these areas contribute their insights to provide a cohesive overview of the marine renewable energy spectrum based on theoretical, numerical modeling, and field-measurement approaches. They provide clear explanations of the underlying physics and mechanics, and give close consideration to practical implementation aspects, including impacts on the physical system. Engineers, researchers, and students alike will find invaluable tools and studies that will aid them in realizing significant sustainable energy production from near-shore and ocean environments.

Geoid Determination

Author : Fernando Sansò
Publisher : Springer Science & Business Media
ISBN 13 : 3540747001
Total Pages : 748 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Geoid Determination by : Fernando Sansò

Download or read book Geoid Determination written by Fernando Sansò and published by Springer Science & Business Media. This book was released on 2013-02-13 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will be based on the material of the lecture noties in several International Schools for the Determination and Use of the Geoid, organized by the International Geoid Serivice of the International Association of Geodesy. It consolidates, unifies, and streamlines this material in a unique way not covereed by the few other books that exist on this subjext. More specifically, the book presents (for the first time in a single volume) the theory and methodology of the most common technique used for precise determination of the geoid, including the computation of the marine geoid from satellite altimetry data. These are illustrated by specific examples and actual computations of local geoids. In addition, the book provides the fundamentals of estimating orthometric heights without spirit levelling, by properly combining a geoid with heights from GPS. Besides the geodectic and geophysical uses, this last application has made geoid computation methods very popular in recent years because the entire GPS and GIS user communities are interested in estimating geoid undulations in order to convert GPS heights to physically meaningful orthometric heights (elevations above mean sea level). The overall purpose of the book is, therefore, to provide the user community (academics, graduate students, geophysicists, engineers, oceanographers, GIS and GPS users, researchers) with a self-contained textbook, which will supply them with the complete roadmap of estimating geoid undulations, from the theoretical definitions and formulas to the available numerical methods and their implementation and the test in practice.