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Author: Ken W. Krauss Publisher: John Wiley & Sons ISBN: 111963928X Category : Science Languages : en Pages : 484
Book Description
Explores how the management of wetlands can influence carbon storage and fluxes. Wetlands are vital natural assets, including their ability to take-up atmospheric carbon and restrict subsequent carbon loss to facilitate long-term storage. They can be deliberately managed to provide a natural solution to mitigate climate change, as well as to help offset direct losses of wetlands from various land-use changes and natural drivers. Wetland Carbon and Environmental Management presents a collection of wetland research studies from around the world to demonstrate how environmental management can improve carbon sequestration while enhancing wetland health and function. Volume highlights include: Overview of carbon storage in the landscape Introduction to wetland management practices Comparisons of natural, managed, and converted wetlands Impact of wetland management on carbon storage or loss Techniques for scientific assessment of wetland carbon processes Case studies covering tropical, coastal, inland, and northern wetlands Primer for carbon offset trading programs and how wetlands might contribute The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity.Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.
Author: Ken W. Krauss Publisher: John Wiley & Sons ISBN: 111963928X Category : Science Languages : en Pages : 484
Book Description
Explores how the management of wetlands can influence carbon storage and fluxes. Wetlands are vital natural assets, including their ability to take-up atmospheric carbon and restrict subsequent carbon loss to facilitate long-term storage. They can be deliberately managed to provide a natural solution to mitigate climate change, as well as to help offset direct losses of wetlands from various land-use changes and natural drivers. Wetland Carbon and Environmental Management presents a collection of wetland research studies from around the world to demonstrate how environmental management can improve carbon sequestration while enhancing wetland health and function. Volume highlights include: Overview of carbon storage in the landscape Introduction to wetland management practices Comparisons of natural, managed, and converted wetlands Impact of wetland management on carbon storage or loss Techniques for scientific assessment of wetland carbon processes Case studies covering tropical, coastal, inland, and northern wetlands Primer for carbon offset trading programs and how wetlands might contribute The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity.Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.
Author: David L. Lindbo Publisher: ISBN: 9780891189541 Category : Feeds Languages : en Pages : 0
Book Description
Audience: Students studying environmental science or participating in an Envirothon or Science Olympiad will find Know Soil, Know Life is an easily accessible resource. Undergraduate students in introductory ecology and environmental science classes will have a manageable soils textbook. Scientists in related disciplines wildlife, forestry, geology, hydrology, biology, zoology will enjoy this engaging introduction to soils.
Author: Canadian Agricultural Services Coordinating Committee. Soil Classification Working Group Publisher: NRC Research Press ISBN: 9780660174044 Category : Technology & Engineering Languages : en Pages : 210
Book Description
This treatise begins with an introduction on the history of soil classification in Canada and discussion of the rationale for soil taxonomy. It then defines such terms as soil, pedon, and soil horizons before outlining the classification system along with identification keys. Chapters 4 through 13 describe the characteristics of the various soil orders and include information on distinguishing soils of one order from soils of other orders. Chapter 14 outlines criteria & guidelines used in differentiating classes in soil families and soil series categories. Chapter 15 provides information on distinguishing soil phases. Chapter 16 correlates Canadian soil taxonomy with other classification systems. Chapter 17 summarizes the main terminology used to describe soils at the landscape and pedon scales. The final chapter provides a system of landform classification for soil mapping.
Author: Kirsten S. M. Kurtz Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
The planet's arable soils are rapidly degrading, primarily through mismanagement, erosion, and pollution. In contrast, some of the most fertile soils in the world lie under grasslands, such as in the Central Plains region of the United States. These soils were developed over thousands of years through wind depositions and through the deep roots of native grasses and forbs, each year depositing the organic matter and carbon of old roots under the surface. The eastern edge of US grasslands is occupied by Tallgrass Prairie, 98% of which has been converted to row crops and human use. There remains, among these soils, small remnants which have remained uncultivated or plowed, and which are likely the best remaining examples of grassland soils from before modern agriculture. To improve and preserve the agricultural soils throughout the Midwest, it is essential to thoroughly understand the soil properties of these remnant soils. Currently the most widely recognized and comprehensive suite of soil tests available for analyzing chemical, physical, and biological aspects of soil is the Comprehensive Assessment of Soil Health offered by the Cornell Soil Health Laboratory (CSHL). Multiple government and research groups use this testing service for the quantification of soil health properties. The goals of this study are to use Cornell University's Comprehensive Assessment of Soil Health tools to: 1) evaluate the soil health of remnant tallgrass prairies in Nebraska, by quantifying a suite of relevant physical, chemical, and biological soil properties collected at multiple remnant sites; 2) compare the data from these remnant grasslands with comparable data collected in nearby agricultural fields to determine the degree and type of soil degradation which may have occurred there; and 3) use the profile characteristics of the remnant soils as a benchmark for evaluating soil health of samples derived from a region-wide data base for agricultural soils of collected from former prairies throughout the Great Plains. In the Nebraska Tallgrass Prairie region, nine research sites were identified. Five remnant sites were paired with one of four nearby agricultures sites that had a similar soil type, slope, and elevation. At each site, five subsamples were collected at 0-15 cm and at 15-30 cm soil depths. The samples were analyzed for soil texture, available water capacity, organic matter percentage, soil protein, soil respiration, active carbon, pH, total carbon, total nitrogen macro and micronutrients. The data analyses were conducted using R Studio, and the results of the remnant sites and of the agricultural sites were compared: 1) with each other, and 2) with selected samples from the CSHL Prairie State Database (PSD). There were significant differences between the remnant soils and the agricultural soils at 0-15 cm. Differences were most pronounced in the biological soil properties, with remnant soils exhibiting higher values among soil health properties that measure soil functional capacity. This pattern was also evident in the physical soil properties, although the differences were not as pronounced. In the chemical analyses, higher nutrient concentrations were found in the remnant sites than in the agricultural sites, apart from phosphorous, which was significantly higher in the agricultural sites. Similar patterns were found in the samples from 15-30 cm depth, although less pronounced. Pearson's Correlation revealed significant correlations among the biological indicators, particularly among carbon-related soil properties. In addition, a Principal Component Analysis identified associations among indicators strongly associated with microbial activity and organic matter quality. Comparison of the Nebraska samples with the Prairie Soils from the broader CSHL data base was especially insightful as soils from the remnant sites had higher soil health indicators for every property measured, except phosphorous, iron and zinc. In general, this study indicated serious degradation in the agricultural soils as compared with the remnants, with total nitrogen showing the highest difference, followed by various forms of carbon. The comparison of remnant prairie sites with agricultural sites in eastern Nebraska quantified what is apparently a breakdown of healthy soil functions in active agricultural land, as a result of long-term agricultural practices. The remnant soil health profiles presented here can therefore serve as a reference for guiding management and restoration of agricultural systems throughout the Tallgrass Prairie Region. This study also highlights the powerful approach of using the CSHL comprehensive soil analyses in combination with remnant grasslands as diagnostic tool for other types of grasslands across the Great Plains and globally.
Author: Ken W. Krauss
Author: Ken W. Krauss
Author: David L. Lindbo
Author: Canadian Agricultural Services Coordinating Committee. Soil Classification Working Group
Author: Canada. Department of Agriculture
Author: Charles Edwin Kellogg
Author: Kirsten S. M. Kurtz
Author: Robert E. Stewart
Author: 
Author: United States. Soil Conservation Service![Soil Survey of ... [various Counties, Etc.]. PDF](https://books.google.com/books/content/images/frontcover/WVDNYGKsiHgC?fife=w80-h100)
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