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| Content Provider | Springer Nature Link |
|---|---|
| Author | Yoshida, Toshiya guchi, Mahoko |
| Copyright Year | 2009 |
| Abstract | Previous studies have indicated that recruitment of Abies sachalinensis, a representative conifer species of northern Japan, decreased following single-tree selection harvesting in stands with dense dwarf bamboo understory. We tested the hypothesis that growth and survival of A. sachalinensis seedlings are reduced by canopy opening in that type of stand. A 0.75 ha study plot was examined, and all the seedlings (defined as trees with height 0.5–2 m) were identified and their shoot extensions measured for three years after single-tree selection harvesting (26% intensity in terms of basal area). The leader extensions of A. sachalinensis seedlings that experienced canopy opening were greatly improved. However, a negative effect on survival was also apparent; nearly 40% of seedlings died at the sites that experienced canopy opening. These results were supported by generalized linear models that examined variations of local harvesting intensity for individual seedlings. Despite the ability of A. sachalinensis to respond rapidly to exposure, some physiological stresses may have appeared, and presumably were amplified by co-occurring dwarf bamboos. With regard to the low seedling density (156 stems ha$^{−1}$), common in this type of stands, local harvesting intensity in the selection system should be reduced to maintain survival of advanced regeneration, thus sustaining stand structure and composition. |
| Starting Page | 37 |
| Ending Page | 42 |
| Page Count | 6 |
| File Format | |
| ISSN | 18601871 |
| Journal | Landscape and Ecological Engineering |
| Volume Number | 6 |
| Issue Number | 1 |
| e-ISSN | 1860188X |
| Language | English |
| Publisher | Springer Japan |
| Publisher Date | 2009-06-20 |
| Publisher Place | Japan |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Advanced regeneration Canopy opening Conifer-broadleaved mixed forest Forestry practice Single-tree selection Plant Ecology Landscape/Regional and Urban Planning Environmental Management Civil Engineering Nature Conservation Landscape Ecology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology Management, Monitoring, Policy and Law Nature and Landscape Conservation |
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