scholarly journals Nutrient dynamics via litterfall and litter decomposition on the forest floor of an Acacia mangium Willd. stand in Sumatra

Tropics ◽  
2013 ◽  
Vol 22 (2) ◽  
pp. 67-81 ◽  
Author(s):  
Mayumi Sugimoto ◽  
Seiichi Ohta ◽  
Saiffidin Ansori ◽  
Hardjiono Arisman
Keyword(s):  
Litter Decomposition ◽  
Forest Floor ◽  
Nutrient Dynamics ◽  
Acacia Mangium

scholarly journals Effect of biochar addition on leaf-litter decomposition at soil surface during three years in a warm-temperate secondary deciduous forest, Japan

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Yukiya Minamino ◽  
Nobuhide Fujitake ◽  
Takeshi Suzuki ◽  
Shinpei Yoshitake ◽  
Hiroshi Koizumi ◽  
...  
Keyword(s):  
Carbon Sequestration ◽  
Leaf Litter ◽  
Litter Decomposition ◽  
Forest Floor ◽  
Nutrient Dynamics ◽  
Forest Ecosystems ◽  
Deciduous Forest ◽  
Soil Surface ◽  
Leaf Litter Decomposition ◽  
Dry Conditions

AbstractThe addition of biochar to the forest floor should facilitate efficient carbon sequestration. However, little is known about how biochar addition effects litter decomposition, which is related to carbon and nutrient dynamics in forest ecosystems. This study evaluated the effect of biochar addition on leaf litter decomposition in a forest ecosystem. To examine whether leaf litter decomposition was stimulated above and below biochar, litterbag experiments were carried out for about 3 years in a field site where biochar was added at the rate of 0, 5 and 10 t ha−¹ (C0, C5 and C10 plots) to the forest floor in a temperate oak forest, Japan. Biochar addition at C10 significantly enhanced litter decomposition below biochar for 2 years after treatment and above biochar for 1 year after treatment. Litter water content in biochar plots tended to increase under dry conditions. Biochar addition enhanced litter decomposition because of increased microbial activity with increased moisture content and accelerated the decomposition progress rather than changing the decomposition pattern. However, the carbon emission through changing leaf litter decomposition was small when compared with the carbon addition by biochar, indicating that biochar could be an effective material for carbon sequestration in forest ecosystems.

How does a tree species influence litter decomposition? Separating the relative contribution of litter quality, litter mixing, and forest floor conditions

2010 ◽  
Vol 40 (3) ◽  
pp. 465-475 ◽  
Author(s):  
Jérôme Laganière ◽  
David Paré ◽  
Robert L. Bradley
Keyword(s):  
Litter Decomposition ◽  
Populus Tremuloides ◽  
Tree Species ◽  
Forest Floor ◽  
Litter Quality ◽  
Nutrient Dynamics ◽  
Linear Models ◽  
Black Spruce ◽  
Relative Contribution ◽  
Litter Mixing

Litter quality is often considered the main driver of decomposition rate. The objective of this study was to investigate the relative contribution of two other tree-driven mechanisms, litter mixing and forest floor conditions, to foliar litter decomposition and nutrient dynamics for trembling aspen ( Populus tremuloides Michx.) and black spruce ( Picea mariana (Mill.) BSP) using a microcosm approach. Results based on mixed linear models show that the greater influence over these processes was obtained through litter quality followed by forest floor conditions and litter mixing. Specifically, the results indicate that significantly more C and nutrients were mineralized (i) from aspen than from spruce litter, (ii) from spruce litter in mixture with aspen litter than from spruce litter applied singly, and (iii) from litter incubated on forest floor from the aspen stand rather than from the spruce stand, except for nutrients in the spruce litter. Collectively, our results show that the litter and forest floor material from aspen both favour decomposition and nutrient mineralization processes. Hence, we provide evidence that the effect of tree species on litter decomposition may not only be caused by the properties of its litter but also, indirectly, by the specific conditions and the decomposer community that tree species develop in their forest floor.

The interaction of plant genotype and herbivory decelerate leaf litter decomposition and alter nutrient dynamics

Oikos ◽  
2005 ◽  
Vol 110 (1) ◽  
pp. 133-145 ◽  
Author(s):  
Jennifer A. Schweitzer ◽  
Joseph K. Bailey ◽  
Stephen C. Hart ◽  
Gina M. Wimp ◽  
Samantha K. Chapman ◽  
...  
Keyword(s):  
Leaf Litter ◽  
Litter Decomposition ◽  
Nutrient Dynamics ◽  
Leaf Litter Decomposition ◽  
Plant Genotype

Leaf nutrient dynamics of two tree species and litter nutrient content in Southern Bakundu Forest Reserve, Cameroon

1997 ◽  
Vol 13 (1) ◽  
pp. 1-15 ◽  
Author(s):  
Nicholas C. Songwe ◽  
F. E. Fasehun ◽  
D. U. U. Okali
Keyword(s):  
Forest Floor ◽  
Nutrient Dynamics ◽  
Leaf Age ◽  
Magnesium Concentration ◽  
Nutrient Concentrations ◽  
Leaf Fall ◽  
Litter Fall ◽  
Terminalia Superba ◽  
Phosphorus And Potassium ◽  
Nitrogen Phosphorus

ABSTRACTThe variations in macronutrient concentrations of the leaves of Terminalia superba and Pycanthus angolensis were studied and the concentrations of nutrients in leaves before abscission were compared with those after abscission. The amounts of nutrients returned to the forest floor were also computed from litter fall data at the start of maximum annual fall in the Reserve. With the exception of potassium in Pycanthus angolensis, there were significant variations in the nutrient concentrations of the two species with the time of year. With increasing leaf age the concentration of nitrogen, phosphorus, potassium and magnesium declined in Terminalia superba while magnesium concentration decreased in Pycanthus angolensis leaves. Furthermore, calcium showed an increasing concentration in Terminalia superba with increase in leaf age. The concentrations of nitrogen, phosphorus and potassium decreased before leaf fall. Estimated losses in nitrogen phosphorus and potassium before abscission were 44, 53 and 50%, respectively, whereas generally there was an increase (40%) in the concentration of calcium at leaf fall. Magnesium did not follow a definite pattern. The return of calcium through litter fall to the forest floor was the greatest of all the major elements. The distribution and variation of foliar nutrient concentrations in the leaves of Terminalia superba and Pycanthus angolensis and the importance of the amount of litter and the concentration of the various nutrients in the influencing soil fertility are discussed.

Rainfall manipulation effects on litter decomposition and the microbial biomass of the forest floor

2003 ◽  
Vol 22 (3) ◽  
pp. 271-281 ◽  
Author(s):  
Eric F Salamanca ◽  
Nobuhiro Kaneko ◽  
Shigeo Katagiri
Keyword(s):  
Microbial Biomass ◽  
Litter Decomposition ◽  
Forest Floor

Leaf-litter decomposition across three flooding regimes in a seasonally flooded Amazonian watershed

2011 ◽  
Vol 27 (2) ◽  
pp. 205-210 ◽  
Author(s):  
Krista A. Capps ◽  
Manuel A. S. Graça ◽  
Andrea C. Encalada ◽  
Alexander S. Flecker
Keyword(s):  
Leaf Litter ◽  
Litter Decomposition ◽  
Amazon Basin ◽  
Nutrient Dynamics ◽  
Leaf Litter Decomposition ◽  
Transition Zones ◽  
Flooded Forests ◽  
Terrestrial Habitats ◽  
Seasonally Flooded ◽  
Energy Pathways

Decomposition of leaf litter is an important process that releases energy and nutrients in both terrestrial and aquatic environments (Moore et al. 2004, Wallace et al. 1997); therefore, the physical, chemical and biological processes controlling leaf-litter decomposition rates can affect nutrient cycling and productivity in these systems (Cross et al. 2007, Wood et al. 2009). Several studies have shown that leaf decomposition is faster in aquatic than in terrestrial habitats due to relatively constant temperatures, continuous leaching and the physical breakdown of leaves by flowing water (Hutchens & Wallace 2002, Langhans & Tockner 2006, Langhans et al. 2008). Yet, comparatively few studies have examined these relationships in tropical systems with flooded forests. Flooding is a predominant feature of the upper Amazon Basin, but its occurrence and magnitude is complex and not strictly seasonal (Junk et al. 1989). To identify the dominant energy pathways and understand the nutrient dynamics of upper Amazon rain forests, it is imperative to investigate organic matter processing in the aquatic/terrestrial transition zones of these ecosystems.

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