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Context dependency of litter‐mixing effects on ...

Context dependency of litter‐mixing effects on decomposition and nutrient release across a long‐term chronosequence ... our results show that non‐additive

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Context dependency of litter‐mixing effects on ...

Oct 28, 2008  Context dependency of litter‐mixing effects on decomposition and nutrient release across a long‐term chronosequence. Micael Jonsson. Search for more papers by this

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Context Dependency of Litter-Mixing Effects on ...

Context dependency of litter-mixing effects on decomposition and nutrient release across a long-term chronosequence Micael Jonsson and David A. Wardle M. Jonsson

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Context dependency of litter‐mixing effects on ...

Request PDF Context dependency of litter‐mixing effects on decomposition and nutrient release across a long‐term chronosequence Litter decomposition is an

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Effect of monospecific and mixed litters on bacterial ...

The effect of litter mixing on MB, BR, and microbial functional diversity (catabolic diversity index ECO H′) also differed between climates. The mixture of Pinus and

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Time and litter species composition affect litter-mixing ...

Mar 29, 2013  Purpose Litter decomposition is a fundamental process of biogeochemical cycles. Mixing litter of different species can induce non-additive effect (NAE) on

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Plant identity influences decomposition through more than ...

Plant litter decomposition is a critical ecosystem process representing a major pathway for carbon flux, but little is known about how it is affected by changes in plant composition and diversity. Single plant functional groups (graminoids, legumes, non-leguminous forbs) were removed from a grasslan

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Eleven years of crop diversification alters decomposition ...

Aug 11, 2016  Context dependency of litter-mixing effects on decomposition and nutrient release across a long-term chronosequence: Micael Jonsson journal, October 2008 Jonsson, Micael; Wardle, David A. Oikos, Vol. 117, Issue 11

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A meta-analysis on decomposition quantifies afterlife ...

Sep 11, 2020  Our synthesis could not fully account for such context dependency. ... some papers for litter-mixing effects reported only for the additive effects of mixture and had no reports on mass loss or ...

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Impacts of Mismanaged Trash US EPA

Jul 14, 2021  Impacts of Mismanaged Trash. Trash can travel throughout the world's rivers and oceans, accumulating on beaches and within gyres. This debris harms physical habitats, transports chemical pollutants, threatens aquatic life, and interferes with human uses of river, marine and coastal environments. Of all trash, plastic trash has the greatest ...

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Effect of monospecific and mixed litters on bacterial ...

The effect of litter mixing on MB, BR, and microbial functional diversity (catabolic diversity index ECO H′) also differed between climates. The mixture of Pinus and Quercus litter led to limited heterotrophic CO 2 release in the Algerian arid context i.e. a synergistic effect on MB associated with an antagonistic effect

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The potential for mass ratio and trait divergence effects ...

effects will be strongly context dependent. In recognition of this ex-pectation, we test the following hypotheses: (a) Understorey litter addition will have the largest effect on carbon mineralization and non‐additivity values when understorey litter is added at the highest proportion and is the most distinct from the canopy litter; (b) it then

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Determinants of litter mixing effects in a Swedish boreal ...

When the litter of a given species decomposes, it will often break down in the proximity of litters from other species. We investigated the effects of litters of 10 different species in a boreal forest of northern Sweden on each others' decomposition and N release rates; this was done through the use of litterbags containing two compartments separated by single mesh partition.

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Decomposition of Diverse Litter Mixtures in Streams

generally useful litter traits to predict decomposition rates of single-species litter (Melillo et al. 1982, Gessner and Chauvet 1994, Heal et al. 1997, Hobbie 2005). However, whether and to what extent mixing litter alters the control of litter quality on decomposition is poorly documented. Litter diversity effects on litter decomposition can be

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Context dependency of the allelopathic effects of Lonicera ...

Mar 16, 2012  Allelopathic effects of invasive plants on native flora may be mitigated by the abiotic and biotic environment into which the allelochemicals are released. Lonicera maackii (Amur honeysuckle), an invasive plant of the eastern deciduous forest, suppresses seed germination in laboratory assays. We investigated how L. maackii leachate interacts with abiotic conditions and with the soil microbial ...

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(PDF) Mass loss and nutrient dynamics during litter ...

Mass loss and nutrient dynamics during litter decomposition under three mixing treatments in a typical steppe in Inner Mongolia. Plant and Soil, 2013. Shiping Chen. Download with Google Download with Facebook. or. Create a free account to download. Download Full PDF Package. This paper.

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Diversity-decomposition relationships in forests worldwide ...

Jun 26, 2020  The litter mixing effects on P release were consistently additive throughout the process of decomposition ... indicating context-dependent litter mixture effects. However, data limitation for the other forest biomes makes it presently difficult to ascertain biome-specific differences in mixture effects, especially for nutrient release with less ...

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Species Diversity Induces Idiosyncratic Effects on Litter ...

Mar 03, 2021  Litter decomposition is a fundamental path for nutrient cycling in a natural ecosystem. However, it remains unclear how species diversity, including richness and evenness, affects the decomposition dynamics in the context of grassland degradation. Using a litter bag technique, we investigated the litter-mixing effects of two coexisting dominant species (Leymus chinensis Lc and

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DECOMPOSITION OF DIVERSE LITTER MIXTURES IN STREAMS

Ecology, 88(1), 2007, pp. 219–227 2007 by the Ecological Society of America DECOMPOSITION OF DIVERSE LITTER MIXTURES IN STREAMS ANTOINE LECERF, 1,4 GETA RISNOVEANU,2 CRISTINA POPESCU,2 MARK O ...

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CiteSeerX — Plant Identity Influences Decomposition ...

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Plant litter decomposition is a critical ecosystem process representing a major pathway for carbon flux, but little is known about how it is affected by changes in plant composition and diversity. Single plant functional groups (graminoids, legumes, non-leguminous forbs) were removed from a grassland in northern ...

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The influence of litter composition across the litter–soil ...

Dec 21, 2015  Many studies have investigated the influence of plant litter species composition on decomposition, but results have been context-dependent. Litter and soil are considered to constitute a decomposition continuum, but whether litter and soil ecosystems respond to litter identity and mixing in the same manner is unsure. In a field experiment utilizing 5 litter species and their mixture, we ...

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Eleven years of crop diversification alters decomposition ...

Aug 11, 2016  Context dependency of litter-mixing effects on decomposition and nutrient release across a long-term chronosequence: Micael Jonsson journal, October 2008 Jonsson, Micael; Wardle, David A. Oikos, Vol. 117, Issue 11

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Context‐specific effects of the identity of detrital ...

Sep 17, 2013  Many aquatic ecosystems are sustained by detrital subsidies of leaf litter derived from exogenous sources. Although numerous studies have examined the effects of litter species richness and identity on decomposition processes, it remains unclear how these effects extend to associated invertebrate communities or how these effects vary spatially according to local environmental context.

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The influence of litter composition across the litter–soil ...

Many studies have investigated the influence of plant litter species composition on decomposition, but results have been context-dependent. Litter and soil are considered to constitute a decomposition continuum, but whether litter and soil ecosystems respond to litter identity and mixing in the same manner is unsure.

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The potential for mass ratio and trait divergence effects ...

effects will be strongly context dependent. In recognition of this ex-pectation, we test the following hypotheses: (a) Understorey litter addition will have the largest effect on carbon mineralization and non‐additivity values when understorey litter is added at the highest proportion and is the most distinct from the canopy litter; (b) it then

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An excess of niche differences maximizes ecosystem ...

Aug 21, 2020  Because of this context dependency, ... This might underestimate litter mixing effects but the alternative, a single litter bag with mixed litter, would not have allowed us to distinguish the ...

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论文----中国科学院武汉植物园

摘要: 摘要: Aim In the context of rapid species diversity loss, whether and how species diversity affects litter decomposition in alpine ecosystems remain unclear.Here, we aimed to assess the impact of litter mixing on decomposition and the influencing factors of such litter-mixing effects LMEs). Methods We incubated the litter of four ...

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Variable temperature effects between heterotrophic stream ...

May 12, 2020  This context dependence of temperature effects on processes challenges our ability to anticipate their consequences on ecosystems in a changing world. In headwater streams, the decomposition of allochthonous leaf litter, driven by both microbial decomposers and invertebrates, is known to respond to both temperature and nutrient availability.

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Contrasting mass‐ratio vs. niche complementarity effects ...

Dec 28, 2016  Thus, niche complementarity may predict increasing mixing effects with increasing differences of distinct key resources for decomposer organisms. The driving mechanisms of litter mixture decomposition may thus depend on site-specific conditions (e.g. soil fertility), but they may also differ among elements in the same mixture of decomposing litter.

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Littering Facts, Resources Statistics From Keep America ...

The organization’s 2020 Study is a follow-up to its landmark 2009 study, which builds on a history of science-based litter research started by Keep America Beautiful in 1969. Key findings include: Nearly 50 billion pieces of litter along U.S. roadways and waterways. Slightly more litter along waterways (25.9B) than roadways (23.7B)

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Site of leaf origin affects how mixed litter decomposes ...

Abstract Recent studies have demonstrated that mass loss, nutrient dynamics, and decomposer associations in leaf litter from a given plant species can differ when leaves of that species decay alone compared to when they decay mixed with other species’ leaves. Results of litter-mix experiments have been variable, however, making predictions of decomposition in mixtures difficult.

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Impact of living mulch on soil C:N:P stoichiometry in ...

Apr 01, 2020  The use of living mulch in orchards is a widely accepted management strategy for improving soil quality and enhancing tree productivity. Although the effects of living mulch on soil organic carbon (C) and nutrients have been previously investigated, changes in the stoichiometric ratios of C, soil total nitrogen (N), and soil total phosphorous (P) under different climatic, edaphic, and biotic ...

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Effect of monospecific and mixed litters on bacterial ...

thermore, since climate factors, litter quality and microbial decom-posers are closely related, their interactions may induce different litter-mixing effects according to the environmental context (Gartner and Cardon, 2004). Although numerous studies have investigated the re-lative effects of climate and litter quality on litter decomposition

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(PDF) The impact of hemiparasitic plant litter on ...

The impact of hemiparasitic plant litter on decomposition: direct, seasonal and litter mixing effects. Download. Related Papers. Leaf digestibility and litter decomposability are related in a wide range of subarctic plant species and types. By Terry Callaghan.

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