Long Term Response Of A Forest Watershed Ecosystem
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Long Term Response of a Forest Watershed Ecosystem
Author | : Wayne T. Swank,Jackson R. Webster |
Publsiher | : Oxford University Press |
Total Pages | : 274 |
Release | : 2014-04 |
Genre | : Nature |
ISBN | : 9780195370157 |
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A long-term study of the effects of clearcutting on forest and stream ecosystems.
Long term Trends from Ecosystem Research at the Hubbard Brook Experimental Forest
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 41 |
Release | : 2007 |
Genre | : Biogeochemistry |
ISBN | : LCCN:2007473648 |
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Hydrologic Effects of a Changing Forest Landscape
Author | : National Research Council,Division on Earth and Life Studies,Water Science and Technology Board,Committee on Hydrologic Impacts of Forest Management |
Publsiher | : National Academies Press |
Total Pages | : 181 |
Release | : 2008-12-19 |
Genre | : Science |
ISBN | : 9780309121088 |
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Of all the outputs of forests, water may be the most important. Streamflow from forests provides two-thirds of the nation's clean water supply. Removing forest cover accelerates the rate that precipitation becomes streamflow; therefore, in some areas, cutting trees causes a temporary increase in the volume of water flowing downstream. This effect has spurred political pressure to cut trees to increase water supply, especially in western states where population is rising. However, cutting trees for water gains is not sustainable: increases in flow rate and volume are typically short-lived, and the practice can ultimately degrade water quality and increase vulnerability to flooding. Forest hydrology, the study of how water flows through forests, can help illuminate the connections between forests and water, but it must advance if it is to deal with today's complexities, including climate change, wildfires, and changing patterns of development and ownership. This book identifies actions that scientists, forest and water managers, and citizens can take to help sustain water resources from forests.
Forest Hydrology
Author | : Devendra Amatya,Thomas Williams,Leon Bren,Carmen de Jong |
Publsiher | : CABI |
Total Pages | : 308 |
Release | : 2016-09-14 |
Genre | : Technology & Engineering |
ISBN | : 9781780646602 |
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Forests cover approximately 26% of the world's land surface area and represent a distinct biotic community. They interact with water and soil in a variety of ways, providing canopy surfaces which trap precipitation and allow evaporation back into the atmosphere, thus regulating how much water reaches the forest floor as through fall, as well as pull water from the soil for transpiration. The discipline "forest hydrology" has been developed throughout the 20th century. During that time human intervention in natural landscapes has increased, and land use and management practices have intensified. The book will be useful for graduate students, professionals, land managers, practitioners, and researchers with a good understanding of the basic principles of hydrology and hydrologic processes.
The Ecology of Plant Litter Decomposition in Stream Ecosystems
Author | : Christopher M. Swan,Luz Boyero,Cristina Canhoto |
Publsiher | : Springer Nature |
Total Pages | : 523 |
Release | : 2021-08-01 |
Genre | : Science |
ISBN | : 9783030728540 |
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With almost 90% of terrestrial plant material entering the detrital pool, the processing of this significant carbon source is a critical ecosystem function to understand. Riverine ecosystems are estimated to receive, process and transport nearly 1.9 Pg of terrestrial carbon per year globally, highlighting the focus many freshwater ecologists have on the factors that explain decomposition rates of senesced plant material. Since Webster and Benfield offered the first comprehensive review of these factors in 1986, there has been an explosion of research addressing key questions about the ecological interactions at play. Ecologists have developed field and laboratory techniques, as well as created global scale collaborations to disentangle the many drivers involved in the decomposition process. This book encapsulates these 30+ years of research, describing the state of knowledge on the ecology of plant litter decomposition in stream ecosystems in 22 chapters written by internationally renowned experts on the subject.
Ecosystem Management in the Boreal Forest
Author | : Sylvie Gauthier |
Publsiher | : PUQ |
Total Pages | : 574 |
Release | : 2009 |
Genre | : Nature |
ISBN | : 9782760523821 |
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Forest Ecosystem Management. A management approach that aims to maintain healthy and resilient forest ecosystems by focusing on a reduction of differences between natural and managed landscapes to ensure long-term maintenance of ecosystem functions and thereby retain the social and economic benefits they provide to society.That is the definition of forest ecosystem management proposed in this book, which provides a summary of key ecological concepts supporting this approach. The book includes a review of major disturbance regimes that shape the natural dynamics of the boreal forest and gives examples from different Canadian boreal regions. Several projects implementing the forest ecosystem management approach are presented to illustrate the challenges created by current forestry practices and the solutions that this new approach can provide. In short, knowledge and understanding of forest dynamics can serve as a guide for forest management. Planning interventions based on natural dynamics can facilitate reconciliation between forest harvesting needs and the interests of other forest users.
Forest Ecosystems and Environments
Author | : Takashi Kohyama,Josep Canadell,Dennis S. Ojima,Louis F. Pitelka |
Publsiher | : Springer Science & Business Media |
Total Pages | : 153 |
Release | : 2006-04-19 |
Genre | : Science |
ISBN | : 9784431293613 |
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Coastal East and Southeast Asia are characterized by wet growing seasons, and species-rich forest ecosystems develop throughout the latitudinal and altitudinal gradients. In this region, the Global Change Impacts on Terrestrial Ecosystems in Monsoon Asia (TEMA) project was carried out as a unique contribution to the international project Global Change and Terrestrial Ecosystems. TEMA aimed to integrate forest ecosystem processes, from leaf physiology to meteorological budget and prediction of long-term change of vegetation composition and architecture through demographic processes. Special attention was given to watershed processes, where forest ecosystem metabolism affects the properties and biogeochemical budgets of freshwater ecosystems, and where rivers, wetlands, and lakes are subject to direct and indirect effects of environmental change. This volume presents the scaling-up concept for better understanding of ecosystem functioning.
A Place for Inquiry a Place for Wonder
Author | : William G. Robbins |
Publsiher | : Unknown |
Total Pages | : 0 |
Release | : 2020 |
Genre | : Nature |
ISBN | : 0870710192 |
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The H.J. Andrews Experimental Forest is a slice of classic Oregon: due east of Eugene in the Cascade Mountains, the Andrews Forest comprises almost 16,000 acres of the Lookout Creek watershed. The landscape is steep, with hills and deep valleys and cold, fast-running streams. The densely forested landscape includes cedar, hemlock, and moss-draped ancient Douglas fir trees. One of eighty-one USDA experimental forests, the Andrews is administered cooperatively by USFS, OSU, and the Willamette National Forest. While many Oregonians may think of the Andrews simply as a good place for a hike, research conducted there has profoundly reshaped Forest Service management policies and contributed to our understanding of healthy forests. In A Place for Inquiry, A Place for Wonder, William Robbins turns his attention to the long-overlooked Andrews Forest and argues for its importance to environmental science and policy. From its founding in 1948, the experimental forest has been the site of wide-ranging research. Beginning with postwar studies on the conversion of old-growth timber to fast-growing young stands, research at the Andrews shifted in the next few decades to long-term ecosystem investigations that focus on climate, streamflow, water quality, vegetation succession, biogeochemical cycling, and effects of forest management. The Andrews has thus been at the center of a dramatic shift in federal timber practices from industrial, intensive forest management policies to strategies emphasizing biodiversity and healthy ecosystems.