Modeling Nearshore Fish Community Response to Shoreline Types in Lake Erie PDF Download
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Author: Martin Albert Simonson
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 36
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Book Description
Approximately 80% of fishes from the Laurentian Great Lakes use the nearshore zone in some way (e.g., feeding, spawning, or nursery area) for at least part of the year. Extensive shoreline alteration and development along Ohio's Lake Erie coast has reduced habitat complexity and changed ecological connections at the interface of land, water, and air. We hypothesized that shoreline features affect the nearshore fish community composition. To determine relationships between shoreline types and the nearshore fish community, habitat features such as terrestrial vegetation, shoreline armor structure and a shoreline's exposure to wave energy were classified at 51 coastal sites in the western and central basins of Lake Erie where fish were sampled between 2011 and 2016. Changes in the predicted total and relative abundances of nearshore fish community groups was modeled based on shoreline classifications. We found that wave energy was negatively correlated with fish species richness as well as total abundance of nearly all fish groups. Understanding the impacts of shoreline modification on nearshore fish community attributes is critical to employing best management practices and maintaining critical fish habitats.
Author: Martin Albert Simonson
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 36
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Book Description
Approximately 80% of fishes from the Laurentian Great Lakes use the nearshore zone in some way (e.g., feeding, spawning, or nursery area) for at least part of the year. Extensive shoreline alteration and development along Ohio's Lake Erie coast has reduced habitat complexity and changed ecological connections at the interface of land, water, and air. We hypothesized that shoreline features affect the nearshore fish community composition. To determine relationships between shoreline types and the nearshore fish community, habitat features such as terrestrial vegetation, shoreline armor structure and a shoreline's exposure to wave energy were classified at 51 coastal sites in the western and central basins of Lake Erie where fish were sampled between 2011 and 2016. Changes in the predicted total and relative abundances of nearshore fish community groups was modeled based on shoreline classifications. We found that wave energy was negatively correlated with fish species richness as well as total abundance of nearly all fish groups. Understanding the impacts of shoreline modification on nearshore fish community attributes is critical to employing best management practices and maintaining critical fish habitats.
![Spatial and Temporal Assessment of Fish Habitat and Environmental-nearshore Fish Community Relationships in the Eastern Lake Erie Basin [microform] PDF](https://books.google.com/books/content/images/frontcover/3lYvtAEACAAJ?fife=w80-h100)
Author: Sapna Sharma
Publisher: National Library of Canada = Bibliothèque nationale du Canada
ISBN: 9780612915800
Category :
Languages : en
Pages : 364
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Book Description
Environmental conditions were used to determine relationships with the nearshore fish assemblage of the eastern basin and to model habitat for different life stages of walleye in the eastern Lake Erie basin adjacent to the outflow of the Grand River. Optimal walleye habitat tended to be found along the shoreline of the lake and dependent on the Grand River plume. Generally, there was very little optimal walleye habitat found in the lower reaches of the Grand River. The nearshore fish assemblage tended to be size-structured and related to specific environmental conditions, such as conductivity, temperature, dissolved organic carbon, chloride concentrations, alkalinity, sampling date and abundances of emergent and submergent plants. Improvements in both biotic and abiotic features of habitat in the nearshore and tributaries will enhance the amount of habitat optimal for specific fish species, and thereby the potential abundance of these fish species.
Author: Ana Beatriz Locci Hernandez
Publisher:
ISBN:
Category : Biological models
Languages : en
Pages : 236
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Book Description
Author: M.B. Beck
Publisher: Elsevier
ISBN: 0080531067
Category : Science
Languages : en
Pages : 490
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Book Description
Policy-makers and the public, it has famously been said, are more interested in the possibility of non-linear dislocations and surprises in the behaviour of the environment than in smooth extrapolations of current trends. The International Task Force in Forecasting Environmental Change (1993-1998) dedicated its work to developing procedures of model building capable of addressing our palpable concerns for substantial change in the future. This volume discusses the immense challenges that such structural change presents - that the behaviour of the environment may become radically different from that observed in the past - and investigates the potentially profound implications for model development.Drawing upon case histories from the Great Lakes, acidic atmospheric deposition and, among others, the urban ozone problem, this discourse responds to a new agenda of questions. For example: "What system of 'radar' might we design to detect threats to the environment lying just beyond the 'horizon'?" and "Are the seeds of structural change identifiable within the record of the recent past?"Meticulously researched by leading environmental modellers, this milestone volume engages vigorously with its subject and offers an animated account of how models can begin to take into consideration the significant threats and uncertainties posed by structural change.
Author: David R. Dibling
Publisher:
ISBN:
Category :
Languages : en
Pages : 223
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Book Description
Abstract: The purpose of this research is to make progress toward correcting the nearshore deficiency of the current hydrodynamic model used by Lake Erie by developing and validating a state-of-the-art hydrodynamic and transport model infrastructure capable of highly accurate simulations in the nearshore zone. This was accomplished by creating a high-resolution mesh using high-resolution GPS images to create an up-to-date shoreline. The bathymetry was then used to determine where more resolution was needed in order to capture the water movement using an unstructured mesh (10 meter resolution) rather than the old structured mesh (5 km resolution) that did not accurately represent the shoreline. Simulations were run using the ADCIRC-SWAN (ADvanced CIRCulation Simulating WAves Nearshore) model on the new mesh and the results are presented. This model passed a required NOS (National Ocean Service) skills assessment in order for the hindcast model to be validated.
Author: Coastal Dynamics Incorporated
Publisher:
ISBN:
Category : Coast changes
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Toxicology
Languages : en
Pages : 970
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Author: Darold Batzer
Publisher: Springer
ISBN: 3319249789
Category : Science
Languages : en
Pages : 647
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Book Description
Wetlands are among the world’s most valuable and most threatened habitats, and in these crucially important ecosystems, the invertebrate fauna holds a focal position. Most of the biological diversity in wetlands is found within resident invertebrate assemblages, and those invertebrates are the primary trophic link between lower plants and higher vertebrates (e.g. amphibians, fish, and birds). As such, most scientists, managers, consultants, and students who work in the world’s wetlands should become better informed about the invertebrate components in their habitats of interest. Our book serves to fill this need by assembling the world’s most prominent ecologists working on freshwater wetland invertebrates, and having them provide authoritative perspectives on each the world’s most important freshwater wetland types. The initial chapter of the book provides a primer on freshwater wetland invertebrates, including how they are uniquely adapted for life in wetland environments and how they contribute to important ecological functions in wetland ecosystems. The next 15 chapters deal with invertebrates in the major wetlands across the globe (rock pools, alpine ponds, temperate temporary ponds, Mediterranean temporary ponds, turloughs, peatlands, permanent marshes, Great Lakes marshes, Everglades, springs, beaver ponds, temperate floodplains, neotropical floodplains, created wetlands, waterfowl marshes), each chapter written by groups of prominent scientists intimately knowledgeable about the individual wetland types. Each chapter reviews the relevant literature, provides a synthesis of the most important ecological controls on the resident invertebrate fauna, and highlights important conservation concerns. The final chapter synthesizes the 15 habitat-based chapters, providing a macroscopic perspective on natural variation of invertebrate assemblage structure across the world’s wetlands and a paradigm for understanding how global variation and environmental factors shape wetland invertebrate communities.
Author:
Publisher:
ISBN:
Category : Aquatic sciences
Languages : en
Pages : 428
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Book Description
Author:
Publisher:
ISBN:
Category : Marine resources
Languages : en
Pages : 626
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Book Description
