Forest soil CO2 emission in Quercus robur level II monitoring site

被引:0
作者
Zoran, Galic [2 ]
Karaklic, Velisav [2 ]
Markovic, Slobodan B. [1 ]
Kis, Alen [3 ]
Samardzic, Miljan [2 ]
机构
[1] Univ Novi Sad, Fac Sci, Dept Geog Tourism & Hotel Management, Novi Sad, Serbia
[2] Univ Novi Sad, Inst Lowland Forestry & Environm, Novi Sad, Serbia
[3] Inst Nat Conservat Vojvodina, Novi Sad, Serbia
关键词
soil CO2 emission; pedunculate oak; level II forest monitoring; BROADLEAVED FORESTS; ORGANIC-CARBON; RESPIRATION; TEMPERATURE; DEPENDENCE; MOISTURE; FLUXES; EFFLUX; OAK;
D O I
10.1515/geo-2022-0723
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
In this study, the soil CO2 emission was analysed at the level II ICP Forests monitoring plot in Serbia in the pedunculate oak forest. Two plots of pedunculate oak (Quercus robur L.) were selected for this study. The main question was to determine the differences in the impact of management (human impact) on CO2 emission. Different time periods were compared to identify the main factors affecting soil CO2 emission. Sampling was done by chambers. During the study period, climate indicators were quite different. A strong positive correlation between the soil temperature and soil CO2 emission, as well as a strong negative correlation between the soil moisture and soil CO2 emission, was found in the spring aspect (Plot). In other cases, a moderate to weak correlation was found. Multiple linear regressions showed that CO2 emission from soil was primarily controlled by soil moisture. Increasing soil water content had a positive effect on soil respiration (except in spring). The effect of soil temperature appeared in the multiple regressions as a secondary factor during the period studied, and an increase in temperature resulted in a decrease in soil respiration (except in spring).
引用
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页数:8
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