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Forests 2015, 6(6), 1748-1762; doi:10.3390/f6061748

Aerial Seeding: An Effective Forest Restoration Method in Highly Degraded Forest Landscapes of Sub-Tropic Regions

1
College of Forestry, Jiangxi Agricultural University, Nanchang 330045, China
2
Earth and Environmental Science, University of British Columbia (Okanagan), 1177 Research Road, Kelowna, BC V1V 1V7, Canada
3
School of Forestry and Bio-Technology, Zhejiang A&F University, Linan 311300, China
*
Author to whom correspondence should be addressed.
Academic Editors: M. Altaf Arain and Eric J. Jokela
Received: 2 March 2015 / Accepted: 19 May 2015 / Published: 25 May 2015
View Full-Text   |   Download PDF [332 KB, uploaded 25 May 2015]   |  

Abstract

Carbon stock is an important indicator of cumulative ecosystem productivity. Using this indicator, and based on field sampling data, this paper compared the long-term difference in carbon stocks between aerial seeding (AS) and natural regeneration (NR) forests of Pinus massoniana in sub-tropic forests, China, in order to assess the effectiveness of AS in a highly degraded forest landscape. The results showed that the carbon stocks of stems, branches, roots, and trees (including stems, branches, leaves, and roots) were 140%, 85%, 110%, and 110%, significantly higher (p < 0.05) in the NR forests than those in the AS forests at the ages of 11–20 years, respectively. In addition, the carbon stocks of understory, litter and soil were also 176%, 151%, and 77%, significantly higher (p < 0.05) in the NR forests than those in the AS forests at the same age range, respectively. However, with increasing age (i.e., >21 years), those differences became statistically insignificant (p > 0.05). The total carbon stocks of the two forest types also showed a similar pattern. Those results clearly demonstrate that AS was an effective mean for restoring carbon stocks in highly degraded areas, even though their early growth was lower than the NR forests, and thus can be applied in the regions where the areas with limited seed sources and road accessibility. View Full-Text
Keywords: Pinus massoniana; aerial seeding; natural regeneration; carbon stock Pinus massoniana; aerial seeding; natural regeneration; carbon stock
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Xiao, X.; Wei, X.; Liu, Y.; Ouyang, X.; Li, Q.; Ning, J. Aerial Seeding: An Effective Forest Restoration Method in Highly Degraded Forest Landscapes of Sub-Tropic Regions. Forests 2015, 6, 1748-1762.

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