PDF Download

[1]YANG Gai-ren,SU Xiao-lin,CAI De-suo,et al.Impact of Vegetation Shift from Coniferous and Broadleaf Mixed Forest to Eucalyptus Plantation on the Microclimate[J].Research of Soil and Water Conservation,2013,20(05):129-134.

Copy

Impact of Vegetation Shift from Coniferous and Broadleaf Mixed Forest to Eucalyptus Plantation on the Microclimate

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 20 Number of periods: 2013 05 Page number: 129-134 Column: Public date: 2013-10-28

Title:: Impact of Vegetation Shift from Coniferous and Broadleaf Mixed Forest to Eucalyptus Plantation on the Microclimate

Author(s):: YANG Gai-ren¹, SU Xiao-lin¹, CAI De-suo², HUANG Cheng-biao¹, JIANG Dai-hua³; 1. College of Forestry, Guangxi University, Nanning 530004, China;
2. College of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China;
3. College of Agronomy, Guangxi University, Nanning 530004, China

Keywords:: forest microclimate; air temperature and relative humidity; vegetation shift; plantation

CLC:: S716.3

DOI:: -

Abstract:: For better understanding the impact of forest vegetation shift on the beneath microclimate and its ecological effects, 3～4-year old eucalyptus plantation (planted in 2008, 08EU) and coniferous & broadleaf mixed forest (MF) were selected. Microclimatic conditions including air temperature, soil temperature and air relative humidity inside the two stands were monitored for 1 year. The results showed that: (1) no difference in mean daily air temperature, mean daily relative humidity or daily max relative humidity was observed between the two stands; (2) annual average of surface soil temperature, daily max air temperature, daily air temperature range and coefficient of air temperature variation in eucalyptus were 1.5℃, 1.4℃, 2.2℃ and 40% higher than that inside mixed forest, respectively, but daily minimum air temperature was 0.8℃ lower than that in MF. There was 6.7% decrease of annual minimum air relative humidity in 08EU comparing with that in MF, but 16.4% of daily air relative humidity range and 22.0% coefficient of air humidity variation in 08EU higher than that in MF, respectively; (3) the range of daily air temperature and relative humidity were significantly positively or negatively related to the mean or minimum daily value, respectively, but no significant relation with max value, the largest different of microclimate condition between 08EU with MF was observed in autumn and winter seasons; (4) minimum air temperature and minimum humidity appearance times in eucalyptus plantation were 51 and 45 minutes earlier than that in mixed forest, respectively. The changes of microclimate conditions beneath eucalyptus plantation would increase the rates of soil water evaporation and organic matter decomposition.

References:: [1] Bailey T G, Davidson N J, Close D C. Understanding the regeneration niche:Microsite attributes and recruitment of eucalypts in dry forests[J]. Forest Ecology and Management,2012,269:229-238.
[2] Zhao J, Wan S, Li Z A, et al. Dicranopteris-dominated understory as major driver of intensive forest ecosystem in humid subtropical and tropical region[J]. Soil Biology & Biochemistry,2012,49:78-87.
[3] Yang G R, Shi X H, Cai D S, et al. Water quality of throughfall and stemflow in planted forest in Guangxi, China[J]. Journal of Food, Agriculture and Environment,2011,9(3/4):947-953.
[4] 杨钙仁,张秀清,蔡德所,等.广西主要人工林凋落物分解过程及其对淋溶水质的影响[J].应用生态学报,2012,23(1):9-16.
[5] 赵知渊,杜阿朋,舒清态.桉树人工林不同林冠高度小气候特征研究[J].桉树科技,2012,29(3):15-18.
[6] 黄承标,黄丹,刘运华,等.种短周期工业用材林种植恢复过程对林内小气候的影响[J].生态与农村环境学报,2009,25(2):25-29,48.
[7] Rambo T R, North M P. Canopy microclimate response to pattern and density of thinning in a Sierra Nevada forest[J]. Forest Ecology and Management,2009,257(2):435-442.
[8] Heithecker T D, Halpern C B. Variation in microclimate associated with dispersed-retention harvests in coniferous forests of western Washington[J]. Forest Ecology and Management,2006,226(1):60-71.
[9] Bigelow S W, North M P. Microclimate effects of fuels-reduction and group-selection silviculture:Implications for fire behavior in Sierran mixed-conifer forests[J]. Forest Ecology and Management,2012,264:51-59.
[10] Arx G V, Dobbertin M, Rebetez M. Spatio-temporal effects of forest canopy on understory microclimate in a long-term experiment in Switzerland[J]. Agricultural and Forest Meteorology,2012,166:144-155.
[11] Morecroft M D, Taylor M E, Oliver H R. Air and soil microclimates of deciduous woodland compared to an open site[J]. Agricultural and Forest Meteorology,1998,90(1/2):141-156.
[12] Villegas J C, Breshears D D, Zou C B, et al. Ecohydrological controls of soil evaporation in deciduous drylands:How the hierarchical effects of litter, patch and vegetation mosaic cover interact with phenology and season[J]. Journal of Arid Environments,2010,74(5):595-602.
[13] Forrester J A, Mladenoff D J, Gower S T, et al. Interactions of temperature and moisture with respiration from coarse woody debris in experimental forest canopy gaps[J]. Forest Ecology and Management,2012,265:124-132.
[14] 张宁南,徐大平,Morris J,等.雷州半岛尾叶桉人工林耗水量研究[J].林业科学研究,2007,20(1):1-5.
[15] Pfautsch S, Bleby T M, Rennenberg H, et al. Sap flow measurements reveal influence of temperature and stand structure on water use of Eucalyptus regnans forests[J]. Forest Ecology and Management,2010,259(6):1190-1199.

Similar References:

Memo

Last Update: 1900-01-01