Ecological and Evolutionary Drivers of Fish Community Diversity in Lake Tanganyika PDF Download
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Author: Jimena Golcher-Benavides
Publisher:
ISBN:
Category : Biodiversity
Languages : en
Pages : 163
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Book Description
Understanding how ecology and evolution interact resulting in the accumulation of biodiversity is an emerging frontier of integrative research. The accumulation of biodiversity has two controls: origination and persistence of species. The main focus of the literature on the origin of species is the processes that gives rise to new lineages, and relatively less focus is given to lineage persistence. Still, the initial process of population splitting required for species origination may fail to produce new diversity if the newly formed lineages do not persist or go extinct. Instances of ecological and phenotypic diversification within a rapidly multiplying lineage, known as adaptive radiations, represent ideal systems to study both origination and persistence controls on the accumulation of biodiversity. The African Great Lakes harbor unparalleled examples of adaptive radiation. Amongst these, Lake Tanganyika is home to more than 200 endemic cichlid fish species resulting in complex, cichlid-dominated littoral food webs. Here, I present four studies combining population genomic technologies, biodiversity surveys, behavioral assays, and natural history observations of Lake Tanganyikan cichlid fishes. The goal of this integrative work is to provide a unique glimpse into origination and persistence processes driving the exceptional biodiversity accumulation observed within an adaptive radiation. In Chapter One, I examined predictors of population genomic differentiation and its implications for lineage diversification. In Chapter Two and Chapter Three I scrutinize ecological and behavioral drivers of community diversity persistence. Finally, in Chapter Four, I revisit conceptual frameworks on foraging trade-offs mediating the evolution of specialized feeding strategies.
Author: Jimena Golcher-Benavides
Publisher:
ISBN:
Category : Biodiversity
Languages : en
Pages : 163
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Book Description
Understanding how ecology and evolution interact resulting in the accumulation of biodiversity is an emerging frontier of integrative research. The accumulation of biodiversity has two controls: origination and persistence of species. The main focus of the literature on the origin of species is the processes that gives rise to new lineages, and relatively less focus is given to lineage persistence. Still, the initial process of population splitting required for species origination may fail to produce new diversity if the newly formed lineages do not persist or go extinct. Instances of ecological and phenotypic diversification within a rapidly multiplying lineage, known as adaptive radiations, represent ideal systems to study both origination and persistence controls on the accumulation of biodiversity. The African Great Lakes harbor unparalleled examples of adaptive radiation. Amongst these, Lake Tanganyika is home to more than 200 endemic cichlid fish species resulting in complex, cichlid-dominated littoral food webs. Here, I present four studies combining population genomic technologies, biodiversity surveys, behavioral assays, and natural history observations of Lake Tanganyikan cichlid fishes. The goal of this integrative work is to provide a unique glimpse into origination and persistence processes driving the exceptional biodiversity accumulation observed within an adaptive radiation. In Chapter One, I examined predictors of population genomic differentiation and its implications for lineage diversification. In Chapter Two and Chapter Three I scrutinize ecological and behavioral drivers of community diversity persistence. Finally, in Chapter Four, I revisit conceptual frameworks on foraging trade-offs mediating the evolution of specialized feeding strategies.
Author: T.J. Pitcher
Publisher: Springer Science & Business Media
ISBN: 9780412550508
Category : Nature
Languages : en
Pages : 644
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Book Description
This important book covers the impact of species changes engendered by the introduction of fish species, impoundment and heavy exploitation. Aspects considered include reduction of biodiversity, the conservation of unique endemic fauna, the assessment of changes in habitat, species and genetic diversity, the evaluation of economic wealth generated by new fisheries, sustainability and social equity, and comparative forecasts from a range of management scenarios.
Author: Andrew Rossiter
Publisher:
ISBN:
Category : Cichlids
Languages : en
Pages : 66
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Book Description
Author: 名越誠
Publisher:
ISBN: 9784876980420
Category : Cichlids
Languages : en
Pages : 344
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Book Description
Author: Maria E. Abate
Publisher: Springer Nature
ISBN: 9402420800
Category : Science
Languages : en
Pages : 832
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Book Description
This volume constitutes the most recent and most comprehensive consideration of the largest family of bony fishes, the Cichlidae. This book offers an integrated perspective of cichlid fishes ranging from conservation of threatened species to management of cichlids as invasive species themselves. Long-standing models of taxonomy and systematics are subjected to the most recent applications and interpretations of molecular evidence and multivariate analyses; and cichlid adaptive radiations at different scales are elucidated. The incredible diversity of endemic cichlid species in African lakes is revisited as possible examples of sympatric speciation and as serious cases for management in complex anthropogenic environments. Extreme hydrology and bathymetry as driver of micro-allopatric speciation is explored in the African riverine hotspot of diversity of the lower Congo River. Dramatic new molecular evidence draws attention to the complex taxonomy and systematics of Neotropical cichlids including the crater lakes of Central America. Molecular genetics, genomics, imaging tools and field study techniques assess the roles of natural, sexual and kin selection in shaping cichlid traits and beyond. The complex behavioral adaptations of cichlids are considered from a number of sub-disciplines including sensory biology, neurobiology, development, and evolutionary ecology. Most importantly, this volume puts forth a wealth of new interpretations, explanatory hypotheses and proposals for practical management and applications that will shape the future for these remarkable fishes in nature as well as their use as models for the study of biology.
Author: Douglas E. Facey
Publisher: John Wiley & Sons
ISBN: 1119341914
Category : Science
Languages : en
Pages : 724
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Book Description
THE DIVERSITY OF FISHES The third edition of The Diversity of Fishes is a major revision of the widely adopted ichthyology textbook, incorporating the latest advances in the biology of fishes and covering taxonomy, anatomy, physiology, biogeography, ecology, and behavior. Key information on the evolution of various fishes is also presented, providing expansive and conclusive coverage on all key topics pertaining to the field. To aid in reader comprehension, each chapter begins with a summary that provides a broad overview of the content of that chapter, which may be particularly useful for those using the text for a course who don’t intend to address every chapter in detail. Detailed color photographs throughout the book demonstrate just some of the diversity and beauty of fishes that attract many to the field. A companion website provides related videos selected by the authors, instructor resources, and additional references and websites for further reading. Sample topics covered and learning resources included in The Diversity of Fishes are as follows: How molecular genetics has transformed many aspects of ichthyology The close relationship between structure and function, including adaptations to special environments Many physical and behavioral adaptations reflecting the fact that many fishes are both predators and prey Fish interactions with other species within fish assemblages and broader communities, plus their impacts on ecosystems Global maps that more accurately represent the comparative sizes of oceans and land masses than maps used in prior editions For students, instructors, and individuals with an interest in ichthyology, The Diversity of Fishes is an all-in-one introductory resource to the field, presenting vast opportunities for learning, many additional resources to aid in information retention, and helpful recommendations on where to go to explore specific topics further.
Author: Lukas Benedikt Widmer
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: O.V. Lindqvist
Publisher: Springer Science & Business Media
ISBN: 9780792360179
Category : Nature
Languages : en
Pages : 238
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Book Description
Based on modern limnology and environmental research, syntheses of the composition, functions and production of pelagic ecosystems are being provided in the Great Lakes of Africa. Special attention is given to Lake Tanganyika and recent research activities. New findings on relationships between lake hydrophysics, climatic patterns and biological productivity are presented. The roles of organic matters and microbes are discussed. The implications of environmental and fishery research on regional fisheries management are presented, together with the outcomes of the recent major research projects in lakes Tanganyika and Malawi, particularly in practical fisheries development.
Author: Adam William Britton
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Patrik Nosil
Publisher: OUP Oxford
ISBN: 0191628026
Category : Science
Languages : en
Pages : 304
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Book Description
The origin of biological diversity, via the formation of new species, can be inextricably linked to adaptation to the ecological environment. Specifically, ecological processes are central to the formation of new species when barriers to gene flow (reproductive isolation) evolve between populations as a result of ecologically-based divergent natural selection. This process of 'ecological speciation' has seen a large body of particularly focused research in the last 10-15 years, and a review and synthesis of the theoretical and empirical literature is now timely. The book begins by clarifying what ecological speciation is, its alternatives, and the predictions that can be used to test for it. It then reviews the three components of ecological speciation and discusses the geography and genomic basis of the process. A final chapter highlights future research directions, describing the approaches and experiments which might be used to conduct that future work. The ecological and genetic literature is integrated throughout the text with the goal of shedding new insight into the speciation process, particularly when the empirical data is then further integrated with theory.
