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Role Of Priority Effects And Habitat Complexity In Coral Reef Fish Communities
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Book Synopsis Role of Priority Effects and Habitat Complexity in Coral-reef Fish Communities by : Glenn R. Almany
Download or read book Role of Priority Effects and Habitat Complexity in Coral-reef Fish Communities written by Glenn R. Almany and published by . This book was released on 2002 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the processes that influence the composition of animal communities is a central goal in ecology. Interactions between established residents and colonizing juveniles that affect the subsequent survival of juveniles may influence community composition. In a series of experiments on coral reef fish communities in the Bahamas and Australia, I tested whether and how interactions between colonizing juveniles and established residents, such as predators and territorial competitors, affected recruitment, and whether these interactions were modified by habitat complexity. In the Bahamas, I factorially manipulated the presence and absence of resident piscivores and territorial damselfishes on 16 spatially isolated patch reefs and found that both groups had strong, species-specific effects on subsequent recruitment. In a second experiment, I tested whether the aforementioned effects of residents were due to direct interactions between residents and juveniles or were the result of differential juvenile settlement. This was accomplished by repeating the first experiment, except this time placing piscivores and damselfishes within cages to prevent direct interactions. I found no evidence for differential settlement, suggesting that effects of residents were due to direct interactions between residents and juveniles after settlement. In a third experiment, I cross-factored the presence and absence of piscivores and damselfishes with two levels of habitat complexity. I found that juvenile abundance was strongly influenced by prior residents and that effects of residents did not differ with habitat complexity. In contrast, the abundance of adult fish was strongly influenced by habitat complexity but not residents. In Australia, I factorially manipulated the presence and absence of resident predators and potential competitors on 20 reefs to determine whether these fish communities were influenced by resident-juvenile interactions comparable to those in the Bahamas. Results were similar to those obtained with the same experimental design in the Bahamas, indicating that priority effects may be a common feature of coral reef fish communities. These studies illustrate the importance of both habitat complexity and interactions between resident fishes and newly settled juveniles in coral reef fish communities, and provide a means of qualitatively predicting the future composition of these communities based on their current structure.
Book Synopsis Effects of Coral Reef Habitat Complexity on the Community Composition and Trophic Structure of Marine Fish Assemblages in Indonesia's Wakatobi Marine National Park by : Kuyer Josiah Fazekas (Jr)
Download or read book Effects of Coral Reef Habitat Complexity on the Community Composition and Trophic Structure of Marine Fish Assemblages in Indonesia's Wakatobi Marine National Park written by Kuyer Josiah Fazekas (Jr) and published by . This book was released on 2019 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: The coral reefs within Indonesia's Wakatobi Marine National Park support a high diversity of reef-building hard corals and associated marine fish. Climate change threatens to dramatically affect coral reef ecosystems by altering the interactions between reef fish and the specific microhabitats they depend on for survival. To examine the spatially varied effects of habitat complexity on the community composition and trophic structure of marine fish assemblages, I analyzed fish community and habitat complexity data across reef zones. Habitat complexity metrics were: structural complexity, the percentage of hard coral (HC) cover, HC genera richness, HC genera diversity (Shannon index), and HC growth form diversity (Shannon index). The community composition of fish assemblages was significantly positively related to habitat complexity, reef zones, and reef systems. This study found that the overall direction and strength of relationships between the fish community and coral reef habitat complexity data varies spatially between reef zones. Marine conservation and restoration efforts need to include specific management plans that vary among reef zones based on how varied habitat complexity and fish communities are at local scales.
Book Synopsis The Influence of Habitat Complexity on Reef Fish Communities in the Northeastern Gulf of Mexico by : Mark E. Lingo
Download or read book The Influence of Habitat Complexity on Reef Fish Communities in the Northeastern Gulf of Mexico written by Mark E. Lingo and published by . This book was released on 2003 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Ecology of Fishes on Coral Reefs by : Peter F. Sale
Download or read book The Ecology of Fishes on Coral Reefs written by Peter F. Sale and published by Elsevier. This book was released on 2013-10-22 with total page 773 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive and up-to-date review of the ecology of coral reef fishes presented by top researchers from North America and Australia. Immense strides have been made over the past twenty years in our understanding of ecological systems in general and of reef fish ecology in particular. Many of the methodologies that reef fish ecologists use in their studies will be useful to a wider audience of ecologists for the design of their ecological studies. Significant among the impacts of the research on reef fish ecology are the development of nonequilibrium models of community organization, more emphasis on the role of recruitment variability in structuring local assemblages, the development and testing of evolutionary models of social organization and reproductive biology, and new insights into predator-prey and plant-herbivore interactions.
Book Synopsis Size-based Insight Into the Structure and Function of Reef Fish Communities by : Rowan Trebilco
Download or read book Size-based Insight Into the Structure and Function of Reef Fish Communities written by Rowan Trebilco and published by . This book was released on 2014 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: What would reef fish communities look like without humans? Effective ecosystem management and con- servation requires a clear understanding of community structure and the processes that drive it. Relatively undisturbed reef fish communities appear to be inverted biomass pyramids (IBPs) with greater biomass of large-bodied predatory fishes compared to smaller fishes at lower trophic-levels. However, the processes that might give rise to IBPs are subject to debate. In this thesis I show that biomass pyramids and size spectra are equivalent and interchangeable representations of community structure. Key constraints on the slopes of size spectra - particularly mean community predator-to-prey-mass ratio (PPMR) - also constrain the shapes of biomass pyramids, meaning that IBPs are unlikely for closed communities. There are surprisingly few quantitative descriptions of biomass pyramids, and PPMR has not been estimated on reefs. I undertook a detailed case-study and quantify fish community size-structure using underwater vi- sual surveys and empirically estimate PPMR using stable isotopes at a relatively undisturbed island chain in Haida Gwaii, BC. I observe an IBP, but the PPMR estimate suggests that the community should be a stack or bottom-heavy. There is 4-5 times more biomass at the largest body-sizes than would be expected given observed PPMR. I hypothesise that the most plausible explanation is energetic subsidies. Using the same fish assemblage I show how two foundational components of habitat complexity (substrate rugosity and kelp canopy characteristics) shape fish community size-structure. Higher kelp canopy cover and den- sity leads to more biomass across all size classes, whereas higher substrate rugosity boosts the biomass of smaller-bodied fishes and leads to a more even distribution of biomass across size classes. Finally, I step back to the global scale and estimate baseline biomass spectra for the world's reef fishes, accounting for local ecological variation. Current reef fish biomass is less than half of the baseline expectation and 90% of the largest (> 1 kg), most functionally-important, individuals are absent. In addition to providing the first global description of how humans have shaped reef biomass pyramids, my thesis gives new insight into how size-based processes underlie the structure and function reef fish communities.
Book Synopsis Ecology of Fishes on Coral Reefs by : Camilo Mora
Download or read book Ecology of Fishes on Coral Reefs written by Camilo Mora and published by Cambridge University Press. This book was released on 2015-04-23 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: Draws on contributions from leading researchers to deliver a comprehensive overview of the latest knowledge on coral reef fishes.
Book Synopsis The Geomorphology of the Great Barrier Reef by : David Hopley
Download or read book The Geomorphology of the Great Barrier Reef written by David Hopley and published by Cambridge University Press. This book was released on 2007-05-17 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: A valuable reference for academic researchers and graduate students in geomorphology and oceanography, this 2007 book reviews the history of geomorphological studies of the Great Barrier Reef and assesses the influences of sea-level change and oceanographic processes on the development of reefs over the last 10,000 years.
Book Synopsis Coral Reef Fishes by : Peter F. Sale
Download or read book Coral Reef Fishes written by Peter F. Sale and published by Academic Press. This book was released on 2002-05-15 with total page 567 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Encyclopedia of Insects is a comprehensive work devoted to all aspects of insects, including their anatomy, physiology, evolution, behavior, reproduction, ecology, and disease, as well as issues of exploitation, conservation, and management. Articles provide definitive facts about all insects from aphids, beetles and butterflies to weevils and yellowjackets. Insects are beautiful and dreadful, ravenous pests and devastating disease vectors, resilient and resistant to eradication, and the source of great benefit and great loss for civilization. Important for ecosystem health, they have infl.
Book Synopsis The Ecology of Marine Fishes by : Dr. Larry G. Allen
Download or read book The Ecology of Marine Fishes written by Dr. Larry G. Allen and published by Univ of California Press. This book was released on 2006-02-15 with total page 1353 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine fishes have been intensively studied, and some of the fundamental ideas in the science of marine ecology have emerged from the body of knowledge derived from this diverse group of organisms. This unique, authoritative, and accessible reference, compiled by 35 luminary ecologists, evolutionary biologists, and ichthyologists, provides a synthesis and interpretation of the large, often daunting, body of information on the ecology of marine fishes. The focus is on the fauna of the eastern Pacific, especially the fishes of the California coast, a group among the most diverse and best studied of all marine ecosystems. A generously illustrated and comprehensive source of information, this volume will also be an important launching pad for future research and will shed new light on the study of marine fish ecology worldwide. The contributors touch on many fields in biology, including physiology, development, genetics, behavior, ecology, and evolution. The book includes sections on the history of research, both published and unpublished data, sections on collecting techniques, and references to important earlier studies.
Book Synopsis Ecological Connectivity among Tropical Coastal Ecosystems by : Ivan Nagelkerken
Download or read book Ecological Connectivity among Tropical Coastal Ecosystems written by Ivan Nagelkerken and published by Springer Science & Business Media. This book was released on 2009-09-23 with total page 617 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mangrove forests, seagrass beds, and coral reefs are circumtropical ecosystems that are highly productive, and provide many important biological functions and economic services. These ecosystems cover large surface areas in the shallow tropical coastal seascape but have suffered from serious human degradation, especially in the last few decades. Part of their diversity, productivity, and functioning seems to be based on their juxtaposition. Especially in the last decade significant advances have been made on new insights into their ecological connectivity. This authoritative book provides a first-time comprehensive review of the major ecological interactions across tropical marine ecosystems that result from the mutual exchange of nutrients, organic matter, fish, and crustaceans. A group of leading authors from around the world reviews the patterns and underlying mechanisms of important biogeochemical and biological linkages among tropical coastal ecosystems in 15 chapters. Included are chapters that review cutting-edge tools to study and quantify these linkages, the importance of such linkages for fisheries, and how tropical ecosystems should be conserved and managed for sustainable use by future generations. The book uses examples from all over the world and provides an up-to-date review of the latest published literature. This book is a ‘must read’ for professionals working on the conservation, management, and ecology of mangrove, seagrass and coral reef ecosystems.
Book Synopsis Oceanography and Marine Biology by : R. N. Gibson
Download or read book Oceanography and Marine Biology written by R. N. Gibson and published by CRC Press. This book was released on 2008-06-05 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increasing interest in marine biology and its relevance to environmental issues creates a demand for authoritative reviews of recent research. Oceanography and Marine Biology has addressed this demand for nearly 40 years. This annual review considers basics of marine research, special topics, and emerging new areas. Regarding the marine sciences as a unified field, the text features contributors who are actively engaged in biological, chemical, geological, and physical aspects of marine science. This edition includes a full color insert and covers such topics as the ecological status of the Great Barrier Reef, the effects of coral bleaching on fisheries, and the biology of octopus larvae.
Book Synopsis Predictability of the Structure and Dynamics of Coral Reef Fish Communities by : Timothy R. Ault
Download or read book Predictability of the Structure and Dynamics of Coral Reef Fish Communities written by Timothy R. Ault and published by . This book was released on 1996 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ecology of Fishes on Coral Reefs by : Camilo Mora
Download or read book Ecology of Fishes on Coral Reefs written by Camilo Mora and published by Cambridge University Press. This book was released on 2015-04-23 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: The local diversity and global richness of coral reef fishes, along with the diversity manifested in their morphology, behaviour and ecology, provides fascinating and diverse opportunities for study. Reflecting the very latest research in a broad and ever-growing field, this comprehensive guide is a must-read for anyone interested in the ecology of fishes on coral reefs. Featuring contributions from leaders in the field, the 36 chapters cover the full spectrum of current research. They are presented in five parts, considering coral reef fishes in the context of ecology, patterns and processes, human intervention and impacts, conservation, and past and current debates. Beautifully illustrated in full-colour, this book is designed to summarise and help build upon current knowledge and to facilitate further research. It is an ideal resource for those new to the field as well as for experienced researchers.
Book Synopsis Gulf of Mexico Reefs: Past, Present and Future by : Adrienne M. S. Correa
Download or read book Gulf of Mexico Reefs: Past, Present and Future written by Adrienne M. S. Correa and published by Frontiers Media SA. This book was released on 2021-09-28 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 2020-11-15 with total page 556 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 refereed reviews summarizing and synthesizing the results of recent research. For more than 50 years, OMBAR has been an essential reference for research workers and students in all fields of marine science. If you are interested in submitting a review for consideration for publication in OMBAR, please email the Editor in Chief, Stephen Hawkins, at [email protected]. This volume considers such diverse topics as optimal design for ecosystem-level ocean observatories, the oceanography and ecology of Ningaloo, human pressures and the emergence of novel marine ecosystems and priority species to support the functional integrity of coral reefs. Six of the nine peer-reviewed contributions in Volume 58 are available to read Open Access via the links on the Routledge.com webpage. An international Editorial Board ensures global relevance and expert peer review, with editors from Australia, Canada, Hong Kong, Ireland, Singapore, South Africa and the United Kingdom. The series volumes find a place in the libraries of not only marine laboratories and oceanographic institutes, but also universities worldwide. Chapters 1, 2, 3, 4, 5, 7, and 8 of this book are freely available as downloadable Open Access PDFs at http://www.taylorfrancis.com under a Creative Commons Attribution-Non Commercial-No Derivatives (CC-BY-NC-ND) 4.0 license.
Book Synopsis Artificial Reef Evaluation by : William Seaman
Download or read book Artificial Reef Evaluation written by William Seaman and published by CRC Press. This book was released on 2000-03-23 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beneath the coastal waters of the world lie thousands of artificial reefs. Some are old and retired freighters and ships that once plied the oceans of the world but now serve as habitats for marine life. Others are newer reefs that have been designed and built for specific applications. With the field of aquatic habitat technology continually growi
Book Synopsis Aspects of Habitat and Disturbance Effects on Tropical Reef-fish Communities by : Marcus C. Öhman
Download or read book Aspects of Habitat and Disturbance Effects on Tropical Reef-fish Communities written by Marcus C. Öhman and published by . This book was released on 1998 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:
