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Tolfa Allumiere

Mediterranean evergreen coppiced forest dominated by Arbutus unedo L.

42°10’02.97’’ N
11°54’48.22’’ E
500 m asl


Site description

The coppiced woodland has a canopy with a mean height of 7 meters and a stem density of 4070 stems ha-1. The woodland is dominated by Arbutus unedo L. (65%), with a relatively smaller presence of other species: Erica arborea L. (13%), Fraxinus ornus L. (8%), Quercus pubescens Willd. (5%), and Quercus cerris L. (4%). The climate at the site is typical of Mediterranean regions, with a long term (1979-2009) mean annual precipitation of 730 mm, irregularly distributed through the year, and a mean annual air temperature of 16 °C.

Landuse

Mediterranean evergreen coppiced forest

Soil

The soil, with an average depth of 31 cm, is classified as an Andisol, according to the USDA system. It is acidic (pH=4) and is covered by a moder humus.

Measurements

Descriptiontime-step
Air temperature (min , max)half-hourly
Soil temperature (profile)half-hourly
Global radiationhalf-hourly
Precipitationhalf-hourly
rel. Humidityhalf-hourly
wind speedhalf-hourly
Throughfallhalf-hourly
soil moisture (profile)half-hourly
Atmospheric CO2half-hourly
evapotranspiration (over grass)half-hourly
tree type/ compositionOnce
tree ageOnce
wood biomassAnnually
leaf biomassOnce
LAI 
leaf N concentrationOnce
canopy heightOnce
leaf, wood, root C/N ratioOnce
Fluxes 
N2O, NO, N2, NH3 emissionseasonally
CH4 uptake/ emissionseasonally
CO2 emissionHourly
Pools 
soil NO3 and NH4 concentration (profile)seasonally
Rates 
mineralizationseasonally
nitrificationseasonally
denitrificationseasonally
Others 
NEEHourly
yieldYearly
soil moisture content (profile)Half-hourly
soil temperature (profile)Half-hourly

Treatments within the CARBO-Extreme project

Throughfall displacement experiment

Treatments3 for each treatments (control, dry, wet) for the small plots, 2 big plots (dry and wet)
Plotsize (m2)96 m2 for the nine small plots, 10000 m2 for the two big plots
Period the data are available for2004-2005-2006-2007-2008-2009

Related projects

  • NitroEurope
  • IMECC

Pictures

Tolfa 1

Contact

Franco Miglietta
f.miglietta@ibimet.cnr.it)

Giorgio Alberti
alberti@uniud.it

web page of experimental site


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