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| DOI | 10.1016/j.foreco.2019.117846 |
| Long-term effects of thinning and woody control on longleaf pine plantation development, understory abundance, and tree damage from an ice storm | |
| Harrington T.B. | |
| 发表日期 | 2020 |
| ISSN | 0378-1127 |
| 卷号 | 459 |
| 英文摘要 | Longleaf pine (Pinus palustris) plantations have been established across the southeastern United States as the first step in restoring the declining savanna ecosystem, yet their long-term stability and development to open canopied woodlands may depend on early density and vegetation management treatments. Commercial thinning (CT) was applied in 2012 (year 18) to a long-term study of longleaf pine community restoration at the Savannah River Site near Aiken, SC to increase abundance of herb species. Although precommercial thinning (PCT) and woody vegetation control increased herb species cover during the first five years of the study, measurements from years 17 to 22 indicated a continuing decline in their cover since year 9 despite application of CT in year 18. Herb species richness, however, increased from 21 to 43 species per 100 m2 area during the last six years of the study, likely a result of disturbances associated with CT and an ice storm in year 20. Application of PCT in 1994, when the plantations were 8–11 years old, reduced their susceptibility to stem bending and breakage from the ice storm, which occurred 20 years later in 2014. Measured 5 months before the storm, pine height: dbh ratio (HD) averaged 78 and 90 for trees growing with and without PCT, respectively, and stem breakage (% of trees) from the ice storm increased linearly (r2 = 0.53) with HD. Pine mortality from the combined effects of glaze ice and wind differed with (28%) versus without (45%) PCT, indicating that long-term stability of longleaf pine plantations depends on early density management. © 2019 |
| 关键词 | EcosystemsIceIce controlRestorationStormsVegetationEcosystem restorationHeight: dbh ratioLong term stabilityPinus palustrisPlant diversityPre-commercial thinningSavannah River sitesVegetation managementForestryconiferous treeherbice stormplantation forestryrestoration ecologysavannaspecies richnessstand structurethinningunderstoryEcosystemsForestryIcePinus PalustrisPlantsRestorationAikenSavannah River SiteSouth CarolinaUnited StatesPinus palustris |
| 语种 | 英语 |
| 来源机构 | Forest Ecology and Management |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/133047 |
| 推荐引用方式 GB/T 7714 | Harrington T.B.. Long-term effects of thinning and woody control on longleaf pine plantation development, understory abundance, and tree damage from an ice storm[J]. Forest Ecology and Management,2020,459. |
| APA | Harrington T.B..(2020).Long-term effects of thinning and woody control on longleaf pine plantation development, understory abundance, and tree damage from an ice storm.,459. |
| MLA | Harrington T.B.."Long-term effects of thinning and woody control on longleaf pine plantation development, understory abundance, and tree damage from an ice storm".459(2020). |
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