Variable

Units

Abbreviation

Additional description

Shrub type

Categorical

SH

Morrow’s honeysuckle, southern arrowwood, dense thickets of Morrow’s honeysuckle, or open plots

Herb cover

%

HC

% Total herb cover within the plot

Native herb cover

%

NC

Ratio of native herb cover to total herb cover

Litter mass

g

LM

Leaf litter dry weight within plot

Litter nitrogen

%

LN

% Litter nitrogen within plot

Soil moisture

%

SM

% Moisture content of 20 g sample of soil from plot

Soil temperature

˚C

ST

Soil temperature to a depth of 4 cm

Debris mass

g

DM

Wet weight of debris collected in vacuum within plot