Russia
Finland
several
Alaska
Canada
Sweden
Norway
Greenland
Svalbard
Svalbard/Jan Mayen
Iceland
observational
experimental
spatial contrast
exclosure
other
enclosure
simulated herbivory
fence
leaf_damage
height
shoot_length
shoot_dieback
shoot_new
nr_buds
nr_flowers
nr_individuals
biomass_change
bud_damage
shoot_damage
cover
plant_C_content
plant_N_content
phenolic_content
soil_N_labile
soil_C_labile
soil_C_total
soil_N_total
bulk_density
soil_moisture
volatile_organic_compounds
leaf_area
nr_shoots
shoot_growth
species_richness
diversity
ring_width
net_primary_production
CN_ratio
aboveground_biomass
belowground_biomass
microorganism_abundance
aboveground_biomass_leaves
aboveground_biomass_woody
leaf_area_index
abundance
bare_ground_cover
soil_temperature
microbial_N_content
soil_P_content
microbial_P_content
mortality
height_change
cover_change
nr_leaves
litter_abundance
N_pool
active_layer_depth
gross_primary_production
ecosystem_respiration
net_ecosystem_exchange
thaw_depth
saturated_depth
NDVI
albedo
gross_ecosystem_exchange
net_ecosystem_production
CH4_flux
CO2_flux
moss_depth
decomposition
fungi:bacteria_ratio
soil_CN_ratio
soil_C_change
hyphal_load
morphotype_simpson_index
morphotype_richness
spores_presence
relative_cover
evenness
leaf_biomass
leaf_weight
nr_inflorescences
flower_new
species_accumulation_rate
species_frequency
richness_variability
gross_ecosystem_photosynthesis
soil_respiration
C_turnover
N_mineralization
N_microbial_uptake
microbial_respiration
microbial_activity
N_immobilization
pH
fungal_biomass
bacteria_biomass
acid-soluble_fraction
acid-insoluble_residue
cellulose
lignin
TNC_content
Ca_content
Mg_content
K_content
P_content
stem_density
leaf_density
cover_litter
plant_C_content_below
flower_density
cation_exchange_capacity
photosynthetic_efficiency
abundance_change
total_biomass
net_photosynthetic_capacity
stomatal_conductance
water_use_efficiency
evotranspiration
chlorophyll_content
anthocyanin_content
chlorophyll_fluorescence
starch_content
glucose_and_fructose_content
sucrose_content
C_pool
depth_organic_horizon
moss_layer_moisture
moss_layer_temperature
microbial_C_content
competition_intensity
lichen_depth
air_saturation
organic_matter
belowground_abundance
DNA
RNA
alphaglucosidase_activity
NAG_activity
phosphodiesterase_activity
betaglucosidase_activity
betaxylosidase_activity
betacellobiosidase_activity
LAP_activity
phosphatase_activity
phenoloxidase_activity
microbial_peroxidase_activity
total_organic_acids
acetate_content
C_pool_below
soil_C_pool
acid_phosphatase_activity
microorganism_relative_abundance
microorganism_richness
microorganism_diversity
phospholipid_fatty_acids
seedling_richness
seedling_density
O2_concentration
CH4_content
TNC_content_below
disease_frequency
root_fungal_colonization
nr_flowering_shoots
species_richness_change
species_gained
species_lost
occurrence
nr_seedlings
diameter
shoot_change
flowering_frequency
relative_abundance
flowering_change
thickness
nr_seeds
NP_ratio
grazing_preference
rooting_depth
leaf_length
rhizome_length
shoot_weight
root_biomass
dead_biomass
live_biomass
flowering_individuals
net_aboveground_primary_productivity
browsing_frequency
browsing_intensity
sex_ratio
salinity
sugar_content
sugar_content_below
survival
germination
bulb_biomass
N_content_below
litter_depth
dominance
specific_leaf_area
leaf_greenness
biomass_production
productivity
leaves_new
leaf_death
leaf_growth
age
nr_internodes
nr_roots
quinic_acid_derivatives_content
flavonoid_content
galloylglucose_content
ellagitannin_content
hydrolysable_tannin_content
soluble_sugar_content
protein-bound_aminoacids_content
free_aminoacids
acid_detergent_fibre
gross_energy
organic_matter_content
intake_rate
energy_content
peroxidase_activity
catalase_activity
acidic_polyphenoloxidase_activity
polyphenoloxidase/peroxidase_activity
alkaline_polyphenoloxidase_activity
occurrence_of _dark_septate_endophytes
condensed_tannins
weight
relative_growth_rate
Cl_content
Na_content
soil_free_aminoacids
microbial_acquisition
community_stability
flower_weight
crude_protein
digestibility
colonization
extinction
seed_recruitment
catechin_content
sward_height
shoot_death
leaf_width
N_fixing
acetylene_reduction
nitrogenase_activity
root:shoot_ratio
CN_ratio_below
water_table_depth
depth
root_growth
redox_potential
leaf:shoot_ratio
Si_content
permafrost_depth
ratio_CP:ADF
leaf_change
invertebrate_species_richness
invertebrate_diversity
invertebrate_evenness
invertebrate_relative_abundance