An Index of Biotic Integrity for Macroinvertebrates and Salamanders in Primary Headwater Habitat Streams in Ohio PDF Download
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Author: Edward L. Moore
Publisher:
ISBN:
Category :
Languages : en
Pages : 150
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Book Description
Abstract: The use of multimetric biological indices (e.g., IBI, ICI, MIwB) to assess aquatic communities is well established in Ohio. These indices provide a definitive numeric assessment of the stream biotic communities to judge against established biocriteria in state water quality standards. However, these assessment tools cannot be applied to the smallest headwater streams of watersheds. The Ohio EPA recognizes three different types of primary headwater habitat streams (PHWH) that have watershed area 2.56 km2 and deep pools
Author: Edward L. Moore
Publisher:
ISBN:
Category :
Languages : en
Pages : 150
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Book Description
Abstract: The use of multimetric biological indices (e.g., IBI, ICI, MIwB) to assess aquatic communities is well established in Ohio. These indices provide a definitive numeric assessment of the stream biotic communities to judge against established biocriteria in state water quality standards. However, these assessment tools cannot be applied to the smallest headwater streams of watersheds. The Ohio EPA recognizes three different types of primary headwater habitat streams (PHWH) that have watershed area 2.56 km2 and deep pools
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 306
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Book Description
Includes book reviews and abstracts.
Author: Ralph A. Pfingsten
Publisher:
ISBN:
Category : Amphibians
Languages : en
Pages : 928
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Book Description
"Ohio's resident amphibians currently include 25 species and subspecies of salamanders, a complex of unisexual ambystomatid salamanders, and 14 species of frogs and toads. Existing, comprehensive works of amphibians for Ohio are dated and out-of-print. Given this deficiency, and pressured by recent survey and monitoring activity and current research needs, the decision to produce a comprehensive book about Ohio's amphibians, which this volume represents, quickly followed. Focusing on verifiable information about the amphibian species of Ohio, the core of this tome is comprised of 37 chapters, organized by sections on salamanders and on frogs and toads, covering all amphibians in Ohio that have been documented and vouchered. Preceding these taxonomic, species-oriented chapters are sections on the history of herpetological work in Ohio, a summary of the Ohio environment in which its amphibian species exist, informative introductions to amphibian systematics, brief summaries of the two groups, and keys to adult and larval stages. Following the species accounts are sections on potential occurences in Ohio; on species ranking based on conservation status and knowledge; on amphibian conservation; on amphibian distribution; on environmental applications; and, a summary. Completing the book are two appendices involving field and vouchering/documentation techniques, a glossary, a combined and comprehensive listing of cited literature, and an index. This book is both scientifically accurate and written in a style suitable for the complete spectrum of individuals and entities who are professionally or casually involved or interested in amphibians"--Abstract, page iii.
Author:
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Category : Water quality bioassay
Languages : en
Pages : 192
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Book Description
Author: Steven James Holdeman
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 212
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Author: Hannah R. Lubbers
Publisher:
ISBN:
Category :
Languages : en
Pages : 77
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Book Description
Through extensive research, stream ecologists have continuously strengthened their understanding of the importance of headwater streams and watersheds in stream health. Contrarily, United States policy makers have reversed such progress by reducing protection of many headwater streams. These contrasting trends have contributed to recent research in temporary headwater stream systems and the role that these streams have in the greater stream network. Despite numerous studies, researchers have not found consistent differences in macroinvertebrate assemblages between intermittent and perennial streams. Additionally, there is limited knowledge on how anthropogenic factors influence headwater streams that are naturally disturbed by drying. The objective of this study was to determine how urbanization interacts with stream permanence to shape headwater stream macroinvertebrate assemblages and salamander communities in Southwest Ohio. During spring (high flows) and summer (low flows) of 2007, we examined 20 intermittent and perennial reaches in ten streams along a gradient of watershed urbanization (range: 9 - 97% urban land cover). Macroinvertebrate richness ranged from 5-33 genera across all reaches, and the most abundant taxa were, in descending order, Oligochaeta, Lirceus fontinalus (freshwater Isopoda), and Chironomus spp. Urban land cover, temperature, nitrates, and substrate heterogeneity may have been important in structuring macroinvertebrate assemblages based on their strong correlations with the ordination axes. Duration of flow (permanence) did not explain differences in macroinvertebrates across sites based on the ordination. However, flow permanence was positively related to spring Chironomidae abundances (R^2 = 0.11, P
Author: Neil J. Haugerud
Publisher:
ISBN:
Category : Aquatic invertebrates
Languages : en
Pages : 175
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Book Description
In order to develop biological indicators capable of assessing the biological conditions of state rivers and streams, the North Dakota Department of Health is developing a calibrated multi-metric index of biotic integrity (IBI) based on aquatic macroinvertebrate data for each ecoregion. Macroinvertebrates are common inhabitants of rivers and streams and vital links in the movement of energy through the food web.
Author: Christa A. Updyke
Publisher:
ISBN:
Category : Acid mine drainage
Languages : en
Pages : 142
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Book Description
Author: Jeromy Matthew Applegate
Publisher:
ISBN:
Category :
Languages : en
Pages : 420
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Author: Elizabeth Ellen Risley
Publisher:
ISBN:
Category : Geomorphology
Languages : en
Pages : 166
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Book Description
Abstract: In-stream habitat structure and water chemistry have significant influence on the structure and composition of stream macroinvertebrate assemblages. Habitat at this local scale can be significantly affected by the geomorphology of a stream or region. Both in-stream habitat and geomorphology are, in turn, influenced by other factors operating at the landscape scale (e.g., land use, connectivity of habitat patches, etc.). It is unclear which of these three scales of habitat has the greatest influence over lotic assemblage structure. Anthropogenic disturbance to a stream ecosystem can occur at all three scales of habitat, and is particularly common in predominantly agricultural systems. The Sugar Creek watershed in northeastern Ohio represents several different types of anthropogenic disturbance, including dairy farming, crop production, urbanization, and industrialization. The South and Middle Forks of the Sugar Creek watershed, dominated by agriculture and a mix of agriculture and industry, respectively, were sampled in early summer 2005 for habitat and macroinvertebrates. Richness, evenness, diversity, familylevel biotic index, percent Diptera Chironomidae, and the number of macroinvertebrates were all similar across the drainages. The percent Ephemeroptera, Plecoptera, and Trichoptera was significantly larger in the Middle Fork than in the South Fork. There were no significant differences in habitat or macroinvertebrate assemblages between the two drainages overall. In-stream habitat structure and water chemistry explained 58.8% of the variation between sites among macroinvertebrate taxa. Geomorphology explained 10.4% and land use 9.4% of the variation. Shared variances between different scales of habitat did not explain substantial amounts of variation among macroinvertebrate taxa. These results have, however, identified several sites in the South Fork with good potential for Best Management Practice implementation and several sites in the Middle Fork for preservation.
