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| 1 | Impact of tree diversity and environmental conditions on the survival of shrub species in a forest biodiversity experiment in subtropical China显示文摘Aims Although shrubs are an important component of forests,their role has not yet been considered in forest biodiversity experiments.In the biodiversity-ecosystem functioning(BEF)experiment with subtropical tree species in south-east China(BEF-China),we factorially combined tree with shrub species-diversity treatments.Here,we tested the hypotheses that shrub survival differs between the 10 planted shrub species,with lower survival rates of late-than early-successional species and is affected by environmental conditions,such as topography and top soil characteristics,as well as by biotic factors,represented by tree,shrub and herb layer characteristics.Methods We analyzed the survival of 42000 shrub individuals in 105 plots varying in tree and shrub species richness of the BEF-China project four years after planting.Shrub survival was analyzed with generalized linear mixed effects models at the level of individuals and with variance partitioning at the plot level.Random intercept and random slope models of different explanatory variables were compared with respect to the Bayesian Information Criterion(BIC).Important Findings Survival rates differed largely between the 10 shrub species,ranging from 26%to 91%for Ardisia crenata and Distylium buxifolium,respectively.Irrespective of species identity,single abiotic factors explained up to 5%of species survival,with a negative effect of altitude and slope inclination and a positive effect of the topsoil carbon to nitrogen ratio,which pointed to drought as the major cause of shrub mortality.In contrast,neither tree nor shrub richness affected shrub survival at this early stage of the experiment.Among the biotic predictors,only herb layer species richness and cover of the dominant fern species(Dicranopteris pedata)affected shrub survival.Overall,our models that included all variables could explain about 65%in shrub survival,with environmental variables being most influential,followed by shrub species identity,while tree species diversity(species richness and identity)and herb layer characteristics contributed much less.Thus,in this early stage of the experiment the biotic interactions among shrubs and between shrubs and trees have not yet overruled the impact of abiotic environmental factors. | Bo Yang Ying Li Bingyang Ding Sabine Both Alexandra Erfmeier Werner Härdtle Keping Ma Bernhard Schmid Thomas Scholten Gunnar Seidler Goddert von Oheimb Xuefei Yang Helge Bruelheide | 2017 | Journal of Plant Ecology2017，10，1： | 7 |
| 2 | A new approach for determining effective soil hydraulic functions显示文摘 | Vogel H J Both K | 1998 | European Journal Soll Science1998，49，： | 1 |
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| 4 | Breaking the code of DNA binding specificity of TAL-type Ⅲ effectors显示文摘 | Both J Scholze H Schornack S | 2009 | Sci- ence2009，326，5959： | 1 |
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| 10 | Biodiversity of denitrifying and dinitrogen-fixing bacteria in an acid forest soil显示文摘 | Roesch C Mergel A Bothe H | 2002 | Applied and Environmental Microbiology2002，68，8： | 1 |
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| 14 | Towards growth of arbuscular mycorrhizal fungi independent of a plant host显示文摘 | Hildebrandt U Janetta K Bothe H | 2002 | Applied and Environmental Microbiology2002，68，4： | 1 |
| 15 | Transcriptional analysis of hydrogenase genes in the cyanobacteria Anacystis nidulans and Anabaena variabilis monitored by RT-PCR 显示文摘 | Boison G Bothe H Schmitz O | 2000 | Curr Microbiol2000，40，： | 1 |
| 16 | VOF-simulation of the rise behavior of single air bubbles in linear shear flows 显示文摘 | BOTHE D SCHMIDTKE M WARNECKE H J | 2006 | Chemical Engineering & Technology2006，29，9： | 1 |
| 17 | Biochemical approaches to the study of plant - fungal interactions in arbuscular mycorrhiza 显示文摘 | Bothe H Klingner A Kaldorf M | 1994 | Experientia1994，50，： | 1 |
| 18 | Seasonal fluctuations in the population of denitrifying and N2-fixing bacteria in an acid soil of a Norway spruce forest显示文摘 | Merge/ A Kloos K Bothe H | 2001 | Plant and Soil2001，230，1： | 1 |
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