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DOI | 10.1016/j.foreco.2019.117627 |
Pruning promotes the formation of an insufficient number of cavities for hollow-dependent birds in Iberian Holm-oak dehesas | |
Aviles, Jesus M. | |
2019-12-01 | |
发表期刊 | FOREST ECOLOGY AND MANAGEMENT |
ISSN | 0378-1127 |
EISSN | 1872-7042 |
出版年 | 2019 |
卷号 | 453 |
文章类型 | Article |
语种 | 英语 |
国家 | Spain |
英文摘要 | Holm oak Quercus ilex dehesas cover large areas in the Mediterranean region, and constitute a paradigm of well preserved low-intensity agro-ecosystem supporting a high number of bird species. The canopy of holm oak trees is periodically pruned, but the role of pruning in the process of tree-hollow formation remains unstudied. Here I investigate the occurrence of tree-hollows in relation to tree characteristics (vitality, trunk diameter and fork height), infection by drilling Coleoptera and pruning intensity, and assess likely origin, use and suitability of hollows for non-excavator birds in dehesas of Spain. 26.3% of all sampled oaks had at least one hollow, and the number of pruning cuts predicted the occurrence of hollows. 97.0% of hollows were situated on pruning cuts suggesting that pruning may have favored decay cavity formation in Iberian dehesas. 43.6% of hollows were estimated suitable to hold the nest of a small-sized cavity-nesting bird, but only 11.9% might have potentially held the nest of a medium-sized cavity-nesting bird, rendering estimated 3.9 and 1.1 potential cavities/ha, respectively. The low densities of suitable hollows would point toward a lack of nest-sites which might limit cavity-nesting birds in holm oak dehesas. Future conservation actions targeting in protection of old and dead holm oak trees instead of selective removal, together with land-scale measurements of enhancement of riverine forests stands may enrich and ensure the persistence of cavity-using species in Iberian dehesas. |
英文关键词 | Dehesas Forest management Iberia Non-excavator birds Pruning Tree-hollow |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000496607200032 |
WOS关键词 | TREE-CAVITIES ; NESTING BIRDS ; CENTRAL HIGHLANDS ; ALARM CALLS ; ABUNDANCE ; FORESTS ; CONSERVATION ; DIVERSITY ; ECOSYSTEM ; SITES |
WOS类目 | Forestry |
WOS研究方向 | Forestry |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/224775 |
专题 | 环境与发展全球科技态势 |
作者单位 | CSIC, EEZA, Dept Ecol Func & Evolut, E-04120 Almeria, Spain |
推荐引用方式 GB/T 7714 | Aviles, Jesus M.. Pruning promotes the formation of an insufficient number of cavities for hollow-dependent birds in Iberian Holm-oak dehesas[J]. FOREST ECOLOGY AND MANAGEMENT,2019,453. |
APA | Aviles, Jesus M..(2019).Pruning promotes the formation of an insufficient number of cavities for hollow-dependent birds in Iberian Holm-oak dehesas.FOREST ECOLOGY AND MANAGEMENT,453. |
MLA | Aviles, Jesus M.."Pruning promotes the formation of an insufficient number of cavities for hollow-dependent birds in Iberian Holm-oak dehesas".FOREST ECOLOGY AND MANAGEMENT 453(2019). |
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