Data from: Positive shrub-tree interactions facilitate woody encroachment in boreal peatlands

Holmgren M, Lin C, Murillo JE, Nieuwenhuis A, Penninkhof J, Sanders N, Van Bart T, Van Veen H, Vasander H, Vollebregt ME, Limpens J

Date Published: January 13, 2015

DOI: http://dx.doi.org/10.5061/dryad.jf2n3

 

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Title Figure 1data_Exp 2
Downloaded 39 times
Description Figure 1 data: Condition of experimental seedlings in hummocks with contrasting shrub density and tree canopy in Experiment 2: No Trees - Low Shrub biomass (NTLS), No Trees - High Shrub biomass (NTHS), Present Trees - Low Shrub biomass (PTLS) and Present Trees - High shrub biomass (PTHS) during the warmest growing season (2011) and at the end of the experiment (2013). Seedling condition was defined as: healthy (< 50% of the needles turned yellow or brown) or unhealthy (> 50% of the needles turned yellow or brown). Seedlings were 1 month old at plantation time in the July 2010.
Download Figure 1data_Exp 2.xlsx (13.76 Kb)
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Title Table 1_environmental conditions_Exp 1
Downloaded 70 times
Description Table 1 data: Environmental conditions and vegetation characteristics in hummocks (circular and bands) and lawns for Experiment 1. Water table depth below surface is an average for the four growing seasons (2010-2013)
Download Table 1_environmental conditions_Exp 1.xls (84.99 Kb)
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Title Table 2_ photosynthesis data_Exp 1
Downloaded 83 times
Description Table 2 photosynthesis data: Photosynthesis rates for experimental pine seedlings in hummocks (circular and bands) versus adjacent lawns for Experiment 1.
Download Table 2_ photosynthesis data_Exp 1.xlsx (12.31 Kb)
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Title Table 2_seedling responses_Exp 1
Downloaded 63 times
Description Table 2 data: Responses of experimental pine seedlings in hummocks (circular and bands) versus adjacent lawns for Experiment 1 after 4 growing seasons. ST: Seeds inserted on top of moss; SB: Seeds inserted below moss; Small seedling (1 month old at plantation time); Large seedling (2 months old at plantation time). Emergence = % of planted seeds emerged after 1 year. Condition = % healthy seedlings. Stem growth corresponds to vertical stem growth for germinating (ST and SB) seedlings and new stem growth for older (small and large) seedlings.
Download Table 2_seedling responses_Exp 1.xls (180.7 Kb)
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Title Table 3_regression seedling-environment_Exp 1
Downloaded 57 times
Description Table 3 data for generalized linear models assessing the responses of experimental pine seedlings in hummocks (circular and bands) and adjacent lawns for Experiment 1 during the whole experimental period (2010-2013). ST: Seedlings from seeds inserted on top of moss; SB: Seedlings from seeds inserted below moss; Small seedling (1 month old at plantation time); Large seedling (2 months old at plantation time). Condition = % healthy seedlings. Growth = stem growth.
Download Table 3_regression seedling-environment_Exp 1.xls (178.6 Kb)
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Title Table 4_Environmental data_Exp 2
Downloaded 60 times
Description Table 4: Environmental conditions in hummocks with contrasting shrub density and tree canopy in Experiment 2: No Trees - Low Shrub biomass (NTLS), No Trees - High Shrub biomass (NTHS), Present Trees - Low Shrub biomass (PTLS) and Present Trees - High shrub biomass (PTHS).
Download Table 4_Environmental data_Exp 2.xlsx (17.16 Kb)
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Title Table 4 and Table S5a_seedling performance_Exp 2
Downloaded 49 times
Description Table 4: Seedling performance in hummocks with contrasting shrub density and tree canopy in Experiment 2: No Trees - Low Shrub biomass (NTLS), No Trees - High Shrub biomass (NTHS), Present Trees - Low Shrub biomass (PTLS) and Present Trees - High shrub biomass (PTHS). Seedling emergence, condition and survival from seeds inserted below the moss (SB), and from small planted seedlings.
Download Table 4 and Table S5a_seedling performance....xlsx (75.13 Kb)
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Title Table S3_cox regression (survival analysis)_Exp 1
Downloaded 75 times
Description Table S3: Data for Cox survival analysis for experimental pine seedlings in hummocks (circular and bands) versus adjacent lawns during 2010-2013. ST: Seedlings from seeds inserted on top of moss; SB: Seedlings from seeds inserted below moss; Small seedling (1 month old, 10 cm tall at plantation time); Large seedling (2 months old, 30 cm tall at plantation time).
Download Table S3_cox regression (survival analysi... 1.xls (629.2 Kb)
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Title Table S4_ regression seedling-environment 2011_Exp 1
Downloaded 51 times
Description Table S4: Data for generalized linear models assessing the responses of experimental pine seedlings in hummocks (circular and bands) and adjacent lawns for Experiment 1 in 2011. Small seedling (1 month old, 10 cm tall at plantation time); Large seedling (2 months old, 30 cm tall at plantation time). Condition = % healthy seedlings. Growth = stem growth.
Download Table S4_ regression seedling-environment... 1.xls (169.4 Kb)
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When using this data, please cite the original publication:

Holmgren M, Lin C, Murillo JE, Nieuwenhuis A, Penninkhof J, Sanders N, Van Bart T, Van Veen H, Vasander H, Vollebregt ME, Limpens J (2015) Positive shrub-tree interactions facilitate woody encroachment in boreal peatlands. Journal of Ecology, 103(1): 58-66. http://dx.doi.org/10.1111/1365-2745.12331

Additionally, please cite the Dryad data package:

Holmgren M, Lin C, Murillo JE, Nieuwenhuis A, Penninkhof J, Sanders N, Van Bart T, Van Veen H, Vasander H, Vollebregt ME, Limpens J (2015) Data from: Positive shrub-tree interactions facilitate woody encroachment in boreal peatlands. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.jf2n3
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