Mammalian herbivory in German exploratory

Usage Rights

This data is Free within projects.

Dataset Abstract

Mammalian herbivores are important drivers of plant species composition in forests, and at high densities of herbivore browsing pressure can have effects on regeneration of tree species, including mortality of saplings, and lead to a dominance of one understorey plant species (usually a species tolerant to browsing). In production forests herbivory can have detrimental effects on timber quality and success of regeneration stages. Existing empirical evidence for the effect of forest plant species diversity is scare and largely comes from observational studies or small feeding trial experiments. As most mammal herbivores are generalists it is predicted trees and woody plants will be more susceptible to browsing when growing in an environment with more plant species (i.e. food sources). This task will try to elucidate the links between forest characteristics and mammalian herbivory and whether the potential increase in herbivory outwieghs other benefits of forest diversity such as resistance to insect herbivores. Mammal herbivores present in the Hainich National Park: Red deer (Cervus elaphus), Roe deer (Capreolus capreolus), Fallow deer (Dama dama), and Wild boar (Sus scrofa).

Dataset Design

At each plot mammalian browsing on tree saplings and other woody plant species is assessed in four subplots (5m x 5m). Per browsed plant the percentage of available shoots browsed is estimated, and the lower and upper height limits of browsed twigs recorded. Plant diamter is recorded. Additionally per subplot all woody species are identified and the number of individuals and percentage cover per species recorded. At each plot phytometers of Task II.3 are assessed for browsing damage and/or removal by wild boar. At the plot level faecal pellet groups are counted and GPS marked, and wild boar rooting depth and percentage area of plot rooted have been recorded.

Spatial Extent

German exploratory - Hainich National Park

Measurement Circumstances

Are there circumstances that explain the precision of your measurements? Could it be that a sandstorm destroyed part of the plots in a given year?

Data columns available in the raw data part of this dataset

plotid
unique number for each plot
Data group: Exploratory plot id
Alert Sample values are not displayed because this column hasn't been approved yet.
treat
plot treatment - focal tree species in the plot
Data group: Treatment
Alert Sample values are not displayed because this column hasn't been approved yet.
Trich
number of focal tree species in plot
Data group: Species richness
Keywords: diversity
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Tdiv
Shannon diversity index of plot based on focal tree species
Data group: Diversity measure
Keywords: diversity
Alert Sample values are not displayed because this column hasn't been approved yet.
elevation
Plot elevation (above sea level)
Data group: Plot descriptor
Alert Sample values are not displayed because this column hasn't been approved yet.
Tdens
tree density of plot
Data group: Plot descriptor
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Tdom
dominant focal tree species
Data group: Plot descriptor
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slope
slope level of plot
Data group: Plot descriptor
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Urich
understorey woody species richness - number of species based on subplot sampling
Data group: Species richness
Alert Sample values are not displayed because this column hasn't been approved yet.
Udiversity
Udiversity
Data group: Not specified
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Uevenness
understorey woody species evenness
Data group: Not specified
Alert Sample values are not displayed because this column hasn't been approved yet.
R_available
proportion of the understorey woody individuals that are a resource (selected at least once in region for browse)
Data group: Not specified
Alert Sample values are not displayed because this column hasn't been approved yet.
Sumcover
average percentage cover by all understorey woody species based on four subplots
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
Udom
dominant understorey woody species
Data group: Understorey species code
Alert Sample values are not displayed because this column hasn't been approved yet.
Total_plants
number of individual understorey plants in all subplots
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
Percentindlsb
percentage of individual understorey plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Logavzero
average browsing intensity of all understorey woody species in subplots
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Ubnumber
Ubnumber
Data group: Not specified
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FS
number of Fagus sylvatica plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
FE
number of Fraxinus excelsior plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
AP
number of Acer platanoides plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
APS
number of Acer pseudoplatanus plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
RC
number of Rubus sp plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
RU
number of Ribes uva-crispa plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
SN
number of Sambucus nigra plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
CS
number of Cornus sanguinea plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
EV
number of euonymus verrucosus plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
CA
number of Corylus avellana plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
TC
number of Tilia cordata plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
DM
number of Daphne merezeum plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
AC
number of Acer communis plants
Data group: Species composition
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QR
number of Quercus robur plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
S
number of Sorbus sp plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
UG
number of Ulmus glabra plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
H
number of species H plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
I
number of species I plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
VM
number of Vaccinium myrtillus plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
Y
number of species Y plants
Data group: Species composition
Alert Sample values are not displayed because this column hasn't been approved yet.
Feb
number of browsed Fraxinus excelsior plants
Data group: Performance
Keywords: herbivory
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Snb
number of browsed Sambucus nigra plants
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Apsb
number of browsed Acer pseudoplatanus plants
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Apb
number of browsed Acer platanoides plants
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Rub
number of browsed Ribes uva-crispa plants
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Fsb
number of browsed Fagus sylvatica plants
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Cab
number of browsed Corylus avellana plants
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Csb
number of browsed Cornus sanguinea plants
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Tcb
number of browsed Tilia cordata plants
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Sb
number of browsed Sorbus sp plants
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Yb
number of browsed species Y plants
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
VMb
number of browsed Vaccinium myrtillus plants
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Ugb
number of browsed Ulmus glabra plants
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentFe
percentage of Fraxinus excelsior plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentSn
percentage of Sambucus nigra plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentAps
percentage of Acer pseudoplatanus plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentAp
percentage of Acer platanoides plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentRu
percentage of Ribes uva-crispa plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentFs
percentage of Fagus sylvatica plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentCa
percentage of Corylus avellana plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentCs
percentage of Cornus sanguinea plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentTc
percentage of Tilia cordata plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentS
percentage of Sorbus sp plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentY
percentage of species Y plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentVm
percentage of Vaccinium myrtillus plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentUg
percentage of Ulmus glabra plants browsed
Data group: Performance
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
percentroot
percentage area of plot rooted by wild boar
Data group: Herbivory data
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
maxroot
maximum rooting depth by wild boar
Data group: Herbivory data
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Red
Red
Data group: Herbivory data
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.
Fallow
Fallow
Data group: Herbivory data
Keywords: herbivory
Alert Sample values are not displayed because this column hasn't been approved yet.