Application Of Elemental Fingerprinting To Evaluate The Dynamics Of Larval Exchange

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Application of Elemental Fingerprinting to Evaluate the Dynamics of Larval Exchange

Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)

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Book Synopsis Application of Elemental Fingerprinting to Evaluate the Dynamics of Larval Exchange by :

Download or read book Application of Elemental Fingerprinting to Evaluate the Dynamics of Larval Exchange written by and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most marine invertebrates have planktonic larval stages that act as agents for increased dispersal and gene flow between adult populations, but little is known about the spatial scale and strength of connectivity that results from larval dispersal. This study seeks to develop trace elemental fingerprinting methods to assess patterns of exchange among mytilid mussel populations in southern California. The authors also developed a model to predict passive larval exchange by currents in order to draw comparisons with realized dispersal. A major result was validation of the premise that site-specific water mass differences in elemental composition are imparted to carbonate shells of larvae when the shell is deposited. Thus, the larval shell contains a chemical record of its past and is retained by newly recruited mussels as they grow. Accomplishments include the following: (1) development of solution based- and Laser Ablation-Inductively Coupled Plasma Mass Spectrometry (LA-ICPMS) protocols to identify detectable trace elements in bivalve shells less than 2 mm long, (2) development of rearing and outplanting techniques to validate larval shell signatures, (3) quantification and comparison of site-specific trace element composition in distinct regions of bivalve shells, and (4) classification of elemental signatures of individual shells to distinguish larval origins using discriminant function analysis (DFA). Sampling over 2 years, quarterly, and at 1-week intervals revealed elemental signal variation in time, and the need to validate signals and conduct connectivity analyses. Although the authors have yet to confirm patterns of connectivity, significant progress has been made in the novel application of elemental fingerprinting to marine invertebrates. Ultimately this approach will allow them to incorporate dispersal information into population dynamics models to better understand the consequences of different patterns of population connectivity. (7 figures, 25 refs7.

Connectivity Conservation

Author : Kevin R. Crooks
Publisher : Cambridge University Press
ISBN 13 : 113946020X
Total Pages : 675 pages
Book Rating : 4.1/5 (394 download)

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Book Synopsis Connectivity Conservation by : Kevin R. Crooks

Download or read book Connectivity Conservation written by Kevin R. Crooks and published by Cambridge University Press. This book was released on 2006-11-02 with total page 675 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the biggest threats to the survival of many plant and animal species is the destruction or fragmentation of their natural habitats. The conservation of landscape connections, where animals, plants, and ecological processes can move freely from one habitat to another, is therefore an essential part of any new conservation or environmental protection plan. In practice, however, maintaining, creating, and protecting connectivity in our increasingly dissected world is a daunting challenge. This fascinating volume provides a synthesis on the current status and literature of connectivity conservation research and implementation. It shows the challenges involved in applying existing knowledge to real-world examples and highlights areas in need of further study. Containing contributions from leading scientists and practitioners, this topical and thought-provoking volume will be essential reading for graduate students, researchers, and practitioners working in conservation biology and natural resource management.

Bay-ocean Exchange of Crab Larvae

Author : Claudio DiBacco
Publisher :
ISBN 13 :
Total Pages : 442 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Bay-ocean Exchange of Crab Larvae by : Claudio DiBacco

Download or read book Bay-ocean Exchange of Crab Larvae written by Claudio DiBacco and published by . This book was released on 1999 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:

2002 Ocean Sciences Meeting

Author :
Publisher :
ISBN 13 :
Total Pages : 422 pages
Book Rating : 4.6/5 (118 download)

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Download or read book 2002 Ocean Sciences Meeting written by and published by . This book was released on 2002 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bay-Ocean Exchange Processes: Development and Application of a Meroplankton Tracer Technique

Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)

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Book Synopsis Bay-Ocean Exchange Processes: Development and Application of a Meroplankton Tracer Technique by :

Download or read book Bay-Ocean Exchange Processes: Development and Application of a Meroplankton Tracer Technique written by and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Further advancement in understanding the dynamics of larval exchange between estuarine and coastal marine benthic invertebrate populations requires: (1) knowing the origins of field-sampled larvae, and (2) synoptic assessments of horizontal and vertical larval distribution patterns over large areas for extended periods. Larval concentration and water velocity data were sampled concurrently and used to estimate larval flux rates between regions of San Diego Bay (SDB) and nearshore coastal waters in southern California. Simulations with a 2-D hydrodynamic model of SDB indicated widely differing larval transport probabilities depending on whether tidal vertical migration behavior occurs in the water column. Field studies indicate that crab (Pachygrapsus crassipes) zoeae migrate vertically in SDB, a behavior that promotes transport out of the Bay. In contrast, larvae of other crab species (Lophopanopeus spp.), which do not migrate vertically, are retained within SDB during development. An elemental larval fingerprinting technique (based on Cu, Zn, Al, Mn, and Sr) was developed to distinguish SDB from non-SDB spawned P. crassipes zoeae. With this method, bi-directional larval exchange was observed between SDB and coastal waters. Approximately 26% of P. crassipes larvae observed at the SDB entrance, and 5% at a mid-bay site, originated outside the Bay. This exchange is likely to have significant consequences for larval populations. Laboratory experiments revealed reduced survivorship in larvae spawned from or reared in SDB water relative to pristine coastal waters. Combined use of trace elemental fingerprinting and synoptic field methods can facilitate understanding of larval transport and ultimately population dynamics of coastal species.

The Larval Dispersal of California Marine Invertebrates

Author : Henry S. Carson
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (81 download)

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Book Synopsis The Larval Dispersal of California Marine Invertebrates by : Henry S. Carson

Download or read book The Larval Dispersal of California Marine Invertebrates written by Henry S. Carson and published by . This book was released on 2008 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measuring the exchange of larvae is fundamental to understanding the population dynamics of marine organisms and designing effective management and restoration strategies for them. Population connectivity in the sea has been difficult to measure directly due to the small size and high mortality of marine larvae and their vast potential dispersal area. In three separate studies I examined larval dispersal in three groups of invertebrates on the California coast. The first study estimated the dispersal potential of 501 southern California bight polychaete species using known or inferred life-history characteristics, and related this potential to the species' distributions. Increased potential to disperse was related to higher occurrence frequencies in samples collected from soft-sediment habitats on the Channel Island shelves, but not on southern California mainland shelves. Channel Island polychaetes had lower dispersal potentials than their mainland counterparts, which may make Channel Island marine reserves comparatively more effective at maintaining local reproduction and, as a consequence, biodiversity. The second study explored the use of trace-elemental fingerprinting techniques to measure dispersal directly. These techniques have been previously utilized on larvae that retain calcified structures through development, such as fish or molluscs. We explored the use of trace-elemental fingerprinting on larvae that lack such structures. We found fine-scale chemical variation in porcelain crab embryos at 16 sites along 175 kilometers of coastline. This variation could potentially be used as a site- or region-specific fingerprint to assign settled porcelain crab larvae back to their point of origin. The third study employed trace-elemental fingerprinting to track the larvae of the Olympia oyster among four estuaries in southern California. Settled larvae collected at eight sites in 2007 were assigned to one of three source regions by comparing the chemistry of the portion of their shell formed during brooding with brooded shells collected at the same sites. Significant larval exchange occurred among all three regions separated by as many as 75 kilometers of coastline. The majority of recruits to San Diego Bay and two north San Diego County lagoons were self-recruits, and these two regions produced the majority of recruits to Mission Bay

Ecology Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 436 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Ecology Abstracts written by and published by . This book was released on 2000 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coverage: 1982- current; updated: monthly. This database covers current ecology research across a wide range of disciplines, reflecting recent advances in light of growing evidence regarding global environmental change and destruction. Major ares of subject coverage include: Algae/lichens, Animals, Annelids, Aquatic ecosystems, Arachnids, Arid zones, Birds, Brackish water, Bryophytes/pteridophytes, Coastal ecosystems, Conifers, Conservation, Control, Crustaceans, Ecosyst em studies, Fungi, Grasses, Grasslands, High altitude environments, Human ecology, Insects, Legumes, Mammals, Management, Microorganisms, Molluscs, Nematodes, Paleo-ecology, Plants, Pollution studies, Reptiles, River basins, Soil, TAiga/tundra, Terrestrial ecosystems, Vertebrates, Wetlands, Woodlands.

2000 Ocean Sciences Meeting

Author :
Publisher :
ISBN 13 :
Total Pages : 372 pages
Book Rating : 4.7/5 (685 download)

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Book Synopsis 2000 Ocean Sciences Meeting by :

Download or read book 2000 Ocean Sciences Meeting written by and published by . This book was released on 2000 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings of the National Academy of Sciences of the United States of America

Author : National Academy of Sciences (U.S.)
Publisher :
ISBN 13 :
Total Pages : 1280 pages
Book Rating : 4.:/5 (891 download)

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Book Synopsis Proceedings of the National Academy of Sciences of the United States of America by : National Academy of Sciences (U.S.)

Download or read book Proceedings of the National Academy of Sciences of the United States of America written by National Academy of Sciences (U.S.) and published by . This book was released on 2007 with total page 1280 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Oceanography and Ecology of the Nearshore and Bays in Chile

Author : John L. Largier
Publisher :
ISBN 13 :
Total Pages : 266 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis The Oceanography and Ecology of the Nearshore and Bays in Chile by : John L. Largier

Download or read book The Oceanography and Ecology of the Nearshore and Bays in Chile written by John L. Largier and published by . This book was released on 2002 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dissertation Abstracts International

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Publisher :
ISBN 13 :
Total Pages : 842 pages
Book Rating : 4.F/5 ( download)

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Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 842 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Special Issue on Marine Population Connectivity

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Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Special Issue on Marine Population Connectivity by :

Download or read book Special Issue on Marine Population Connectivity written by and published by . This book was released on 2007 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ecology of Marine Invertebrate Larvae

Author : Larry McEdward
Publisher : CRC Press
ISBN 13 : 0429610548
Total Pages : 485 pages
Book Rating : 4.4/5 (296 download)

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Book Synopsis Ecology of Marine Invertebrate Larvae by : Larry McEdward

Download or read book Ecology of Marine Invertebrate Larvae written by Larry McEdward and published by CRC Press. This book was released on 2020-04-08 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book to provide a detailed treatment of the field of larval ecology. The 13 chapters use state-of-the-art reviews and critiques of nearly all of the major topics in this diverse and rapidly growing field. Topics include: patterns of larval diversity, reproductive energetics, spawning ecology, life history theory, larval feeding and nutrition, larval mortality, behavior and locomotion, larval transport, dispersal, population genetics, recruitment dynamics and larval evolution. Written by the leading new scientists in the field, chapters define the current state of larval ecology and outline the important questions for future research.

Tropical Deltas and Coastal Zones

Author : Chu T. Hoanh
Publisher : CABI
ISBN 13 : 1845936183
Total Pages : 495 pages
Book Rating : 4.8/5 (459 download)

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Book Synopsis Tropical Deltas and Coastal Zones by : Chu T. Hoanh

Download or read book Tropical Deltas and Coastal Zones written by Chu T. Hoanh and published by CABI. This book was released on 2010 with total page 495 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coastal deltas represent one of the most diverse biophysical regions in the tropical developing world. These regions are also home to large human populations and are significant areas of agricultural production and industrialization. Tropical deltas currently face a number of environmental pressures stemming from their intensive use and rapid development, and new threts are emerging as a result of global climate change and expected sea-level rise. Focusing on the developing countries of Asia, Africa and South America, chapters explore the impact of development strategies and existing land and water management practices on delta environments. New management techniques are also explored, which address conflicts between rice-based agriculture, aquaculture, fisheries, and the emerging threat of climate change. Illustrating the current key management challenges involved in protecting tropical deltaic systems in the face of environmental change, this book will be an essential reference for students, researchers and policy makers in agriculture, environmental science and aquaculture.

Advances in Marine Biology

Author :
Publisher : Elsevier
ISBN 13 : 0080493696
Total Pages : 337 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Advances in Marine Biology by :

Download or read book Advances in Marine Biology written by and published by Elsevier. This book was released on 2003-05-28 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 44 is an eclectic volume with timely reviews on invertebrate zooplankton growth rates and movements on marine fish and decapod crustaceans. Advances in Marine Biology was first published in 1963. Now edited by A.J. Southward (Marine Biological Association, UK), P.A. Tyler (Southampton Oceanography Association, UK), C.M. Young (Harbor Branch Oceanographic Institution, USA) and L.A. Fuiman (University of Texas, USA), the serial publishes in-depth and up-to-date reviews on a wide range of topics which will appeal to postgraduates and researchers in marine biology, fisheries science, ecology, zoology, oceanography. Eclectic volumes in the series are supplemented by thematic volumes on such topics as The Biology of Calanoid Copepods. Series features over 35 years of coverage of the research

Oceanography and Marine Biology

Author : S. J. Hawkins
Publisher : CRC Press
ISBN 13 : 0429640390
Total Pages : 663 pages
Book Rating : 4.4/5 (296 download)

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Book Synopsis Oceanography and Marine Biology by : S. J. Hawkins

Download or read book Oceanography and Marine Biology written by S. J. Hawkins and published by CRC Press. This book was released on 2019-08-02 with total page 663 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oceanography and Marine Biology: An Annual Review remains one of the most cited sources in marine science and oceanography. The ever increasing interest in work in oceanography and marine biology and its relevance to global environmental issues, especially global climate change and its impacts, creates a demand for authoritative reviews summarizing the results of recent research. This volume covers topics that include resting cysts from coastal marine plankton, facilitation cascades in marine ecosystems, and the way that human activities are rapidly altering the sensory landscape and behaviour of marine animals. For more than 50 years, OMBAR has been an essential reference for research workers and students in all fields of marine science. From Volume 57 a new international Editorial Board ensures global relevance, with editors from the UK, Ireland, Canada, Australia and Singapore. The series volumes find a place in the libraries of not only marine laboratories and institutes, but also universities. Previous volume Impact Factors include: Volume 53, 4.545. Volume 54, 7.000. Volume 55, 5.071. Guidelines for contributors, including information on illustration requirements, can be downloaded on the Downloads/Updates tab on the volume's CRC Press webpage. Chapters 3, 4, 5 and 7 of this book are freely available as a downloadable Open Access PDF under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license. The links can be found on the book's Routledge web page at https://www.routledge.com//9780367134150

Fish Reproductive Biology

Author : Tore Jakobsen
Publisher : John Wiley & Sons
ISBN 13 : 1118752740
Total Pages : 500 pages
Book Rating : 4.1/5 (187 download)

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Book Synopsis Fish Reproductive Biology by : Tore Jakobsen

Download or read book Fish Reproductive Biology written by Tore Jakobsen and published by John Wiley & Sons. This book was released on 2016-03-21 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fish recruitment is a key process for maintaining sustainable fish populations. In the marine environment, fish recruitment is carried out in many different ways, all of which have different life history strategies. The objective of this book is to argue for greater linkages between basic and applied research on fisheries recruitment, and assessment and management of exploited fish stocks. Following an introductory chapter, this second edition of Fish Reproductive Biology is organized into 3 main sections: Biology, Population Dynamics and Recruitment Information Critical to Successful Assessment and Management Incorporation of Reproductive Biology and Recruitment Considerations into Management Advice and Strategies The authors collectively bring a wide range of diverse experience in areas of reproductive biology, fisheries oceanography, stock assessment, and management. Fully updated throughout, the book will be of great interest to a wide audience. It is useful as a textbook in graduate and undergraduate courses in fisheries biology, fisheries science, and fisheries resource management and will provide vital information for fish biologists, fisheries scientists and managers.