This fully revised and updated 2 nd edition of plant litter focuses on decomposition processes in natural terrestrial systems such as boreal and temperate forests. This fully revised and updated 3 rd edition of plant litter reflects and discusses new findings and reevaluates earlier ones in light of recent research and with regard to current areas of investigation the availability of several longterm studies allows a more in. Decomposition, humus formation, carbon sequestration this fully revised and updated 2nd edition of plant litter focuses on decomposition processes in natural. Decomposition, humus formation, carbon sequestration find, read and. Plant litterdecomposition, humus formation and carbon. Use features like bookmarks, note taking and highlighting while reading plant litter. These areas are being affected by regional excessive nitrogen n. Soil organic matter is the largest terrestrial carbon pool 1. Decomposition, humus formation, carbon sequestration 3rd ed. This fully revised and updated 3rd edition of plant litter reflects and. Charles mcclaugherty the present book gives a modernized and comprehensive overview of the degradation of major litter components as well as the sum of processes when forest plant litter decomposes, releases nutrients. Decomposition, humus formation, carbon sequestration. Decomposition, humus formation, carbon sequestration since the publication of the 2nd edition, there have been substantial.
Aboveground plant litter quality and decomposition rates have been proposed as the fundamental determinants of longterm soil organic matter accumulation 36. Decomposition, humus formation, carbon sequestration hardcover july 29, 2003. The availability of several longterm studies from these forest types allows a more indepth approach to the later stages of decomposition as well as to humus formation. Differential responses of litter decomposition to regional. The evaluation of bioremediation potential of a yeast collection isolated from composting.
It is still controversial which type of plant litter is conducive to soil organic carbon soc formation. Plant litter decomposition, humus formation, carbon sequestration. Here we are to explore the conversion of organic carbon oc from decayed plant litter in soil and its influence on final soc sequestration. Plant litter decomposition, humus formation, carbon. In situ investigation combined with laboratory soil incubation experiments were conducted in mixing zones dominated by. The carbon sequestration ability of wetland can be roughly evaluated from the amount of carbon fixed through plants photosynthesis, but the decomposition properties of plant litter returning to soil are also essential to its evaluation. Estimating carbon sequestration rates on a regional scale. Mechanisms of carbon sequestration in highly organic.
The present book gives a modernized and comprehensive overview of the degradation of major litter components as well as the sum of processes when forest plant litter decomposes. Earthworm abundance and functional group diversity. Find all the books, read about the author, and more. Formation of soil organic matter via biochemical and. A system is suggested for humus accumulation rates among forest systems, a system that may be a starting point for estimates of carbon sequestration in forest systems. Mangrove litter decomposition is a key process that regulates energy conversion and nutrient cycling in the ecosystems, thereby influencing the net ecosystem carbon c storage and blue carbon sinks of tropical and subtropical coastal areas alongi, 2014. Spatial separation of litter decomposition and mycorrhizal. Plant litter, decomposition, humus formation, carbon sequestration. Plant litter chemistry and microbial priming regulate the accrual. Globally, the boreal forest biome covers 11% of the land surface and contains 16% of the carbon c stock sequestered in soils. The lower limit normally coincides with the common rooting depth of native perennial plants after soil survey staff, 1975 transformation of plant litter or soil organic matter to nutrients, co2, h2o and more highly decomposed organic matter soil organic matter without a trace of plant cell structure transformation of an element from a form. The effects of substrate quality, climate, and their interactions on decomposition are presented as well as examples of litter types that break the basic pattern.
While much is known about how climate, litter quality, and decomposer community composition affect the rate of plant litter decomposition, little is known about the factors that control the proportion of litter c and n that is eventually incorporated into stable som prescott, 2010. Decomposition, humus formation, carbon sequestration since the publication of the 2nd edition, there have been substantial developments in the field of litter. This barcode number lets you verify that youre getting exactly the right version or edition of a book. Decomposition, humus formation, carbon sequestration this fully revised and updated 2nd edition of plant litter focuses on. Leaf litter decomposition is the physical and chemical breakdown of dead plant material, a key ecosystem process that provides energy for microbial growth, releases nutrients for plant growth, influences ecosystem carbon c storage, and thus may have a longterm effect on the climate chapin et al. Contrasting dynamics and trait controls in firstorder root. The availability of several longterm studies allows a more indepth approach to decomposition patterns and to the later stages of decomposition, as well as to humus formation and accumulation. However, a large proportion of photosynthetically fixed c is directed. Decomposition of plant litter is a key step in nutrient recycling. In boreal forests, fungi play pivotal roles in the circulation of carbon c and nutrients. This fully revised and updated 2nd edition of plant litter focuses on decomposition processes in natural terrestrial systems such as boreal and temperate forests. Request pdf on jan 1, 2008, bjorn berg and others published plant litter. N ratio of litter is an order of magnitude larger than that of som.
They are characterized by cold climate, a long period of snow cover, slow decomposition of organic matter and poor plant nitrogen n supply persson, 1980. This fully revised and updated 2nd edition of plant litter focuses on decompo. Since the publication of the 2nd edition, there have been substantial developments in the field of litter decomposition. Decomposition, humus formation, carbon sequestration find, read and cite all the research you need on researchgate. Furthermore, enhanced n availability may support c sequestration in forest ecosystems because the c.
Litter decomposition is defined as the process through which dead organic material is broken down into particles of progressively smaller size, until the structure can no longer be recognized, and organic molecules are mineralized to their prime constituents. Beech trees fuel soil animal food webs via rootderived nitrogen. Variable decomposition of two plant litters and their. In summary, we strongly recommend this book for all scientists concerned with the principles, measurement, and interpretation of plant litter decomposition, humus formation, and carbon sequestration. The effects of substrate quality, climate, and their interactions on decomposition are presented as well as examples of litter. The decomposition of plant litter is a complex process that involves mineralization and transformation of organic matter. The pool size depends on the balance between formation of soil organic matter from decomposition of plant litter and its mineralization. Encyclopedia of applied plant sciences pdf free download. Plant litterdecomposition, humus formation and carbon sequestration article in journal of plant physiology 16110. This stable fraction is a critical determinant of long. Decomposition, humus formation, carbon sequestration english edition ebook. Highly efficient sequestration of carbon into soil by plants is crucial to wetland ecosystems under rising atmospheric co 2. Humus has many nutrients that improve the health of soil, nitrogen being the most important. Nhbs bjorn berg, charles mcclaugherty, springer nature.
In addition, lignin does not appear to persist in soils. On the other hand, proteinaceous compounds predicted to be labile based on initial litter decomposition are a predominant structure of son in many natural settings dicosty et al. Investigations of litter decomposition at different. Plant litter represents a major source of organic carbon in forest soils anichkin and tiunov, 2011. Soil food webs are connected to plants and the aboveground system via leaf litter input and rootderived resources, with the role of rootderived carbon c in fueling soil animal food webs. Decomposition, humus formation, carbon sequestration on free shipping on qualified orders. Humus is the dark organic matter that forms in soil when dead plant and animal matter decays. Covering mainly boreal and temperate forests, the book gives a synthesis of the different subprocesses on the basis that decomposition is microbially. Charles mcclaugherty since the publication of the 2nd edition, there have been substantial developments in the field of litter decomposition. Decomposition, humus formation, carbon sequestration bjorn berg, charles mcclaugherty auth. Further, it introduces a conceptual model for litter transformations from litter fall until the decomposing litter accumulates as humus. Charles mcclaugherty this fully revised and updated 2nd edition of plant litter focuses on decomposition processes in natural terrestrial systems such as boreal and temperate forests.
The present book gives a modernized and comprehensive overview of the degradation of major litter components as well as the sum of processes when forest plant litter decomposes, releases nutrients and turns into humus. Conversion of organic carbon from decayed native and. The authors can be congratulated for their impressive efforts in publishing this highly professional volume. Since the publication of the 2 nd edition, there have been substantial developments in the field of litter decomposition. The lignin to n ratio is a good general indicator of litter decomposition, but not of humus formation. Some possible influences on decomposition pattern, regression model, stable fraction and c sequestration. Download it once and read it on your kindle device, pc, phones or tablets.
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