Pdf litterfall is a key parameter in the biogeochemical cycle linking the tree part. Pdf litterfall production along successional and altitudinal. Assessing the relative role of climate on litterfall in mediterranean. The objectives of this study were to estimate litterfall production and evaluate the. Comparison of litterfall production in three forest types. Such values are close to the observations for tundra 4301185 87 mg km2, n12. First, we isolated the litterfall seasonal trend and the betweensites differences in production by using linear mixed models. Branchfall coarse woody debris fine woody debris litterfall net primary productivity. Annual litterfall dynamics and nutrient deposition. Pdf evaluation of litterfall production is important for understanding nutrient cycling, forest growth, successional pathways, and interactions with. Seasonal variations in monthly litterfall were strongly driven by forest. Produksi dan laju dekomposisi serasah acacia crassicarpa a. Companion files include the bibliographic sources for the data provided, in both ascii text.
Pdf litterfall production and fine root dynamics in cool. Effects of basal area of vegetation and tree density on litterfall production. Litterfall production was continuous, and principally accompanied the rainfall. Hence, the litterfall biomass productions for the two biomes was. Litterfall production and nutrient return c, n and k followed similar patterns, and c and n input to soil was significantly related to litterfall production needle, branch and total litterfall. The effects of rainfall and vegetation on litterfall production in the. The research was to determine litterfall production, decomposition rate, and chemical component thatcontributedtosoil. The iron redox engine drives carbon and nitrogen cycling. Theresults showed that litterfall production on 3 and 4 years respectively are 44,29 and 43,43 grm month. In nearly every data source only aboveground litterfall production. Litterfall dynamics along a successional gradient in a brazilian.
Plant biomass, primary production and mineral cycling of a. A global database of litterfall mass and litter pool. Fine root production constituted 1844% of npp, where npp was the sum of woody biomass production, litterfall production, and fine root production. C, n, p and k input to soil and total litterfall production were mainly driven by needle litterfall. Understanding element cycling requires information on the amounts of elements in the primary plant production, the biomass increase. A global database of litterfall mass and litter pool carbon and. Litterfall production is a quantitative parameter of stand vitality and gives. Seasonality of litterfall and leaf decomposition in a cerrado site. Pdf litterfall production, decomposition and nutrient. Aboveground litterfall production was the highest in the tropical moist forest regions and lowest in cold tundra and dry desert regions. The facts on file dictionary of weather and climate. Overall, the model uncertainties ofaboveground litterfall production for the rf were small and there were larger uncertainties in low latitude area. Benchmark estimates for aboveground litterfall data. Litterfall production and fluvial export in headwater catchments of the southern amazon article pdf available in journal of tropical ecology 2303 may 2007 with 112 reads how we measure reads.
A shapefile with litterfall and littermass, and selected nutrient data is also provided. Assessment of global mercury deposition through litterfall. Litterfall, nutrient return, and leaflitter decomposition in four. Therefore, we 1 collected the annual litter deposition and examined the litterfall dynamics throughout the year, 2 measured the annual c and nutrient return and 3 compared differences between natural and managed ecosystems and address implications for the ecosystem nutrient cycle. Litterfall production and litter decomposition are the principal factors for controlling the functions of mangroves to store and cycle carbon and nutrients within the ecosystem. We investigated annual litterfall and leaf decomposition rate in a cerrado site.
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