Number of the records: 1

Different harvest intensity and soil CO2 efflux in sessile oak coppice forests

SYSNO ASEP	0461928
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Different harvest intensity and soil CO2 efflux in sessile oak coppice forests
Author(s)	Dařenová, Eva (UEK-B)_{RID, ORCID, SAI} Majtaz, C. (SI) Pavelka, Marian (UEK-B)_{RID, ORCID, SAI}
Source Title	iForest – Biogeosciences and Forestry. - : SISEF Societa Italiana di Selvicoltura ed Ecologia Forestale - ISSN 1971-7458 Roč. 9, feb (2016), s. 546-552
Number of pages	7 s.
Language	eng - English
Country	IT - Italy
Keywords	Low Forest ; Soil Moisture ; Soil Respiration ; Temperature Dependence
Subject RIV	GK - Forestry
R&D Projects	LO1415 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
	EE2.3.20.0267 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
Research Infrastructure	CzeCOS II - 90061 - Ústav výzkumu globální změny AV ČR, v. v. i.
Institutional support	RVO:67179843 - RVO:67179843
UT WOS	000384724700005
EID SCOPUS	84991380036
DOI	10.3832/ifor1773-009
Annotation	Soil CO2 efflux accounts for about 45-80% of total ecosystem respiration and is therefore an important part of the ecosystem carbon cycle. Soil CO2 efflux has been poorly studied in forests managed in the ancient coppicing manner. In our study, soil CO2 efflux, temperature, and moisture were measured in sessile oak stands with different harvesting intensity (control: 0% intensity; V1: 75%; V2: 80 %; V3: 85%; and V4: 100%) during the fifth and sixth years after harvesting. Soil CO2 efflux was in the range 2-8 µmol CO2 m-2 s-1 and indicated an increasing pattern with increasing harvesting intensity. The slope of that pattern became less steep from the fifth to the sixth year after harvesting, thus indicating gradual recovery of soil carbon dynamics in the coppiced stand toward the equilibrium state existing before harvesting. Temperature sensitivity of soil CO2 efflux ranged between 2.1 and 2.8, with the lowest values measured in the control stand. Soil CO2 efflux in the control stand was more sensitive to changes in soil moisture than was that on harvested plots. By our calculations, 6.2 tC ha-1 was released from the control stand and 6.2-6.8 tC ha-1 from the harvested stands during the sixth year after harvesting. If mean temperature were to rise by 1 °C, the amount of soil carbon released would increase by 7.7% in the control stand and, depending on harvesting intensity, by 9.0-10.8% in the harvested stands.
Workplace	Global Change Research Institute
Contact	Nikola Šviková, svikova.n@czechglobe.cz, Tel.: 511 192 268
Year of Publishing	2017

Number of the records: 1