Soil Respiration Variations in Temperate Rhododendron (Rhododendron arboreum) Forest of Annapurna Conservation Area (ACA) in Nepal
Table 2
Diurnal variations of soil respiration (SR), soil temperature (ST, 5 cm soil depth), soil water content (SWC, 5 cm soil depth), and photosynthetic photon flux density (PPFD) over the period of experiment (October 2016 and 2017).
Parameters
Measurement dates
October 2016
October 2017
16th
17th
18th
27th
28th
29th
30th
Day 1
Day 2
Day 3
Day 1
Day 2
Day 3
Day 4
Soil respiration (mg CO2·m−2·h−1)
278.2
242.0
289.5
332.1
301.6
273.3
273.5
Soil temperature (°C)
10.4
10.0
10.1
8.5
8.6
8.0
7.4
Soil water content (vol%)
34.2
34.2
34.5
35.7
32.8
33.6
33.4
Photosynthetic photon flux density (PPFD, μ·mol·m−2·s−1)
