Results 251 to 260 of about 9,354 (278)

Sunlight and Soil–Litter Mixing: Drivers of Litter Decomposition in Drylands

2014
Decomposition of leaf litter is a key component of biogeochemical cycles but the mechanisms driving it in arid and semiarid ecosystems (drylands) remain unresolved. Here, we review recent findings that demonstrate dual roles of solar radiation (ultraviolet and photosynthetically active radiation) and soil–litter mixing as drivers of decomposition in ...
Paul W. Barnes, Heather L. Throop, Steven R. Archer, David D. Breshears, Rebecca L. McCulley, Mark A. Tobler   +5 more
openaire   +1 more source

Hypertrophic cardiomyopathy in a litter of five mixed-breed cats

Journal of the American Animal Hospital Association, 1999
A litter of five, 18-month-old, mixed-breed cats were determined to have hypertrophic cardiomyopathy (HCM). Although no overt clinical signs were present in any cat, systolic heart murmurs were present in each. Electrocardiograms were normal, while subjective interpretations of heart enlargement on radiographs were made on four cats.
M S, Kraus, C A, Calvert, G J, Jacobs
openaire   +2 more sources

Temporal dynamics of mixed litter humification in an alpine treeline ecotone

Science of The Total Environment, 2022
Loss of plant diversity affects mountain ecosystem properties and processes, yet few studies have focused on the impact of plant function type deficiency on mixed litter humification. To fill this knowledge gap, we conducted a 1279-day litterbag decomposition experiment with six plant functional types of foliar litter to determine the temporal dynamic ...
Yu, Zhou, Lifeng, Wang, Yamei, Chen, Jian, Zhang, Zhenfeng, Xu, Li, Guo, Lixia, Wang, Chengming, You, Bo, Tan, Li, Zhang, LiangHua, Chen, JiuJin, Xiao, Peng, Zhu, Yang, Liu   +13 more
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Impacts of mixed litter on the structure and functional pathway of microbial community in litter decomposition

Applied Soil Ecology, 2019
The addition of broad-leaf trees to conifers has many purposes including reduction of soil acidification, increase in litter turnover and increase in fertility. The purpose of this study was to determine the impact of mixing broad-leaf trees with coniferous trees on the bacterial and fungal communities and functional genes that govern litter ...
Wenbo Wang, Dongsheng Chen, Xiaomei Sun, Qian Zhang, Roger T. Koide, Heribert Insam, Shougong Zhang   +6 more
openaire   +1 more source

Mesofauna and Macrofauna in Soil and Litter of Mixed Plantations

2020
The cultivation of leguminous nitrogen-fixing tree species improves soil chemical properties, especially with regard to N, and has been identified to be ecologically and economically interesting in intercropped systems with Eucalyptus spp., although the effect of these mixed plantations on soil and litter invertebrates still is poorly understood.
Maurício Rumenos Guidetti Zagatto, Luís Carlos Iuñes Oliveira Filho, Pâmela Niederauer Pompeo, Cintia Carla Niva, Dilmar Baretta, Elke Jurandy Bran Nogueira Cardoso   +5 more
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Asymmetric effects between tree and understorey litters on mixed litter decomposition in temperate Quercus variabilis forest

Science of The Total Environment, 2022
Litter decomposition is a critical process of biogeochemical cycles of ecosystem. While growing evidences have shown the decomposition rates of litter mixture are different from those of single-species litters, the mutual effects between different functional type species in the mixture remain inconclusive.
Yanchun, Liu, Huimin, Tian, Shirong, Liu, Guoyong, Li, Xiaojie, Hu   +4 more
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Review of mixed forest litter decomposition researches

Acta Ecologica Sinica, 2010
Abstract The litter plays an important role in forest ecosystems. Decomposition of mixed leaf litters has recently become an active research area because it mimics the natural state of leaf litters in most of forests. Many studies reported effects of mixing litters on their decomposition, ranging from positive, negative to neutral.
Fuqiang Song, Xiaoxu Fan, Ruiqing Song
openaire   +1 more source

Observations of mixed-aged litters in brown bears

Ursus, 2008
Abstract We report on 3 cases of mixed-aged litters (young born in different years) in brown bears (Ursus arctos); in 1 instance the cub-of-the-year (hereafter called cubs) died in the den. Two cases occurred in Sweden after mothers were separated from their young during the breeding season.
Jon E. Swenson, Mark A. Haroldson
openaire   +1 more source

Decomposition dynamics in mixed‐species leaf litter

Oikos, 2004
Literature on plant leaf litter decomposition is substantial, but only in recent years have potential interactions among leaves of different species during decomposition been examined. We review emerging research on patterns of mass loss, changes in nutrient concentration, and decomposer abundance and activity when leaves of different species are ...
Tracy B. Gartner, Zoe G. Cardon
openaire   +1 more source

Litter decomposition in a temperate and a tropical stream: the effects of species mixing, litter quality and shredders

Freshwater Biology, 2013
Summary The current rapid decline in biodiversity has led to concerns about the consequences for stream ecosystem processes, one of which is the decomposition of leaf litter derived from riparian vegetation. We conducted field experiments in a tropical and a temperate stream to test for the effects of mixing leaf species differing in resource ...
Bruder, Andreas, Schindler, Markus H., Moretti, Marcelo S., Gessner, Mark O.   +3 more
openaire   +2 more sources