Relative Effect of Litter and Forest Type on Rate of Decomposition

Elliott, W. M.; Elliott, Nancy B.; Wyman, Richard L.

doi:10.2307/2426438

Cited by 53 publications

(31 citation statements)

References 29 publications

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“…Other investigations have implicated litter quality as the primary factor governing decomposition (Day, 1982;Elliot et al, 1993;Hobbie, 1996). Our results suggest that the importance of litter quality can be diminished when compared across a wide range of flooding regimes.…”

Section: Mass Dynamicsmentioning

confidence: 48%

Leaf Litter Decomposition and Nutrient Dynamics in Four Southern Forested Floodplain Communities

Baker

Lockaby

Conner

et al. 2001

Soil Science Soc of Amer J

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ABSTRACT, and Iatt floodplains, respectively, and these differences appeared related to hydroperiod. Decay rates were comparable to rates reported in similar floodplain environments. Net mineralization of both N and P was observed after 100 wk, but both elements accumulated in litter mixtures periodically. Differences in hydroperiod were observed among the four floodplain communities and decomposition of and nutrient mineralization from litter among them appeared to be inversely related to the number and duration of flood events. Litterbags containing leaf litter of a single-species (i.e., cherrybark oak) were also monitored on three of the four sites to compare decay rates and nutrient dynamics with the litter mixtures. On the Cache River floodplain, slower decay of poorer quality cherrybark oak litter suggested that titter quality drove decomposition under similar edaphic conditions.

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Section: Mass Dynamicsmentioning

confidence: 48%

Leaf Litter Decomposition and Nutrient Dynamics in Four Southern Forested Floodplain Communities

Baker

Lockaby

Conner

et al. 2001

Soil Science Soc of Amer J

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“…Plants modify soil processes by their litterfall, the turn-over rate and absorption by the roots [14]. Different microbial and fungal populations are involved depending on the components to be broken down [11,13]. This demonstrates that even vegetation cover present in small quantities has some importance as it contributes different nutrients.…”

Section: Effect On Decompositionmentioning

confidence: 99%

Litter production in an Atlantic beech (Fagus sylvatica L.) time sequence

Lebret¹,

Nys²,

Forgeard³

2001

Ann. For. Sci.

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-Litterfall is the first phase of the biogeochemical cycle and returns nutrients to the soil. This paper demonstrates the quantitative distribution of the different components throughout the year in four stands of a beech time sequence. Litterfall increases as the forest evolves and as basal area increases: from 2.1 t/ha/an in the thicket to 4.7 t/ha/an in the mature high forest. Leaves represent 90% of the total litterfall in the young stand and 70% in the oldest stand. The proportion of leaves decreases during forest rotation. Most of the categories are related to the age and basal area, because of the architecture and maturity of the trees. Other factors could explain litterfall dynamics, e.g. human management or animals. Climate is a preponderant factor for the litterfall production and plays a role in the species phenology. The litterfall dynamics during the time sequence, and the observed shifts in phenology give rise to different pedogenetic processes.litter production / beech / time sequence / dry matter Résumé -Production de litière dans une chronoséquence d'une hêtraie (Fagus sylvatica) atlantique. Les retombées de litière sont à la base des cycles biogéochimiques et assurent le retour au sol des nutriments. Cet article présente la répartition quantitative, par compartiment, au cours de deux ans de suivi et dans quatre peuplements de hêtre d'une chronoséquence. Les retombées totales de litière augmentent avec l'âge de la parcelle et la surface terrière : de 2,1 t/ha/an dans le fourré à 4,7 t/ha/an dans la vieille futaie. Les feuilles représentent 90 % des retombées totales dans le jeune peuplement et 70 % dans la parcelle âgée. La proportion de feuilles diminue au cours de la chronoséquence. La plupart des catégories sont reliées à l'âge et à la surface terrière, par l'intermédiaire de l'architecture et de la maturité du peuplement. D'autres facteurs peuvent expliquer la dynamique des retombées: la sylviculture, les animaux. Le climat est un facteur prépondérant dans la production de litière et a un rôle également sur la phénologie des espèces. La dynamique des retombées de litière au cours de la chronoséquence ainsi que les décalages phénologiques observés sont à la base de processus pédogénétiques diffé-rents.hêtre / retour litière / chronoséquence / matière sèche Ann. For. Sci. 58 (2001) [755][756][757][758][759][760][761][762][763][764][765][766][767][768] 755

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“…Nutrient regeneration resulting from decomposition of organic matter is a critical link for internal nutrient cycling in wetlands; decomposition returns nutrients to the system, provides an energy base for the detrital food web, contributes to the formation of soils and the accumulation of organic matter, and greatly influences productivity (Gambrell and Patrick 1978;Brinson 1981;Elliott et al 1993;Reddy and D'Angelo 1994;Mitsch and Gosselink 2000).…”

Section: Introductionmentioning

confidence: 99%

Aboveground decomposition dynamics in riparian depression and slope wetlands of central Pennsylvania

Hough

Cole

2008

Aquat Ecol

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We examined two types of groundwaterfed wetlands (riparian depressions and slopes) classified using the hydrogeomorphic (HGM) system. These wetland types had previously been shown to differ hydrologically. Our first objective was to determine if HGM was a useful structuring variable when examining aboveground decomposition dynamics (rate of mass loss and rate of nitrogen loss). Our second objective was to determine what soil variables were related to any differences in aboveground decomposition dynamics we might find regardless of HGM subclass. We used the litterbag field bioassay technique, and employed a standard litter type (Phalaris arundinacea) across all wetlands. Our results indicated that HGM would not readily serve as an adequate structuring variable for aboveground decomposition in riparian depressions and slope wetlands of central Pennsylvania. Discriminant analysis and classification and regression tree (CART) modeling found soil cation exchange capacity, soil pH, soil organic matter, and soil % nitrogen to be potentially important soil variables related to mass loss, and soil % nitrogen and soil pH to be potentially important variables related to nitrogen loss rate.

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Relative Effect of Litter and Forest Type on Rate of Decomposition

Cited by 53 publications

References 29 publications

Leaf Litter Decomposition and Nutrient Dynamics in Four Southern Forested Floodplain Communities

Leaf Litter Decomposition and Nutrient Dynamics in Four Southern Forested Floodplain Communities

Litter production in an Atlantic beech (Fagus sylvatica L.) time sequence

Aboveground decomposition dynamics in riparian depression and slope wetlands of central Pennsylvania

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