Site name	Kandistasari Research Site
AsiaFlux site code	KND
Location	Siak, Riau, Indonesia
Position	1º 0' 0" N, 101º 16' 0" E
Elevation	71 m above sea level
Slope	0 - 1º
Terrain type	Flat
Area	3600 ha
Fetch	200 - 800 m
Climate	Af
Mean annual air temperature	26ºC
Mean annual precipitation	2208 mm
Vegetation type	Palm oil plantation
Domestic species (Overstory)	Elaeis guinensis
Dominant species (Understory)	Asystasia gangetica subsp. Micrantha (16%)   Nephrolepis bisserata (13%)   Asplenium longissimum (13%)
Canopy height	18.5 m
Age	20 years old on 2013
LAI	N/A
Soil type	Inceptisols - Oxic dystropepts

Observations
Eddy Covariance method (CO₂)

System	Open-path system
Wind speed	CSAT3 (Campbell Sci., USA)
Air temperature	CSAT3 (Campbell Sci., USA) [sonic temperature]  HMP45AC (Vaisala, Findland) [air temperature]
Water vapor	Open-path (LI-7500, LI-COR, USA)
CO2	Closed-path (LI-7000, LI-COR, USA)
Measurement height	25.0 m
Sampling frequency	10　Hz
Averaging time	30　min
Data logger	CR3000, Campbell Sci., USA
Data storage	CF
Original data	Raw data

Meteorology

Observation items	Levels/ Depth	Instrument
Global solar radiation(incoming)	25 m	CNR4 (Kipp & Zonen, The Netherlands)
Global solar  radiation (outgoing)	25 m	CNR4 (Kipp & Zonen, The Netherlands)
Long-wave radiation(incoming)	25 m	CNR4 (Kipp & Zonen, The Netherlands)
Long-wave radiation(outgoing)	47.2 m	CNR4 (Kipp & Zonen, The Netherlands)
Net radiation	47.2 m	Net radiometer  (NR-LITE, Kipp & Zonen, Netherland)
PPFD (incoming)	47.2 m	SQ-110 (Apogee Instr., USA)
PPFD (outgoing)	-
Direct / diffuse radiation	-
Direct / diffuse PPFD	-
Air temperature	25.5 m	HMP45AC (Vaisala, Findland)
Humidity	25.5 m	HMP45AC (Vaisala, Findland)
Soil temperature	0.1, 0.2 m	TCAV, type-E thermocouple  (Campbell Sci., USA)
Soil heat flux	0.1 m	HFP01 (HukseFlux, The Netherlands)
Soil water   content	0.1 m	CS616 (Campbell Sci., USA)
Wind speed	-
Wind direction	25 m	03101 wind sentry anemometer  (R.M. Young, USA)
Barometric   pressure	5 m	PTB110 (Vaisala, Findland)
Precipitation	25 m	TE525MM (Texas Instr., USA)
CO2 concentration	25 m	LI-7500 (LiCor, USA)
H2O concentration	25 m	LI-7500 (LiCor, USA)

Other

Soil respiration	Automatic chamber LI -8100 (LiCor, USA)
Ecological investigation	Will be conducted (Tree heights, stand  density, diameter, biomass, LAI)
Photosynthesis	Will be conducted using LI-6400  (LiCor, USA)