globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2017.02.019
Scopus记录号: 2-s2.0-85012970327
论文题名:
Effects of associating Quercus robur L. and Alnus cordata Loisel. on plantation productivity and water use efficiency
作者: Battipaglia G.; Pelleri F.; Lombardi F.; Altieri S.; Vitone A.; Conte E.; Tognetti R.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2017
卷: 391
起始页码: 106
结束页码: 114
语种: 英语
英文关键词: Ecophysiological performance ; Intercropping ; N-fixing species ; Tree rings ; δ13C ; δ18O
Scopus关键词: Efficiency ; Productivity ; Ecophysiological performance ; Intercropping ; Intrinsic water-use efficiencies ; Management practices ; Plantation productivity ; Species interactions ; Tree rings ; Water use efficiency ; Forestry ; agroforestry ; annual variation ; basal area ; carbon isotope ; deciduous tree ; ecophysiology ; forest management ; intercropping ; mixed forest ; monoculture ; nitrogen fixation ; oxygen isotope ; photosynthesis ; plantation forestry ; stomatal conductance ; tree ring ; water use efficiency ; Alnus ; Alnus cordata ; Quercus robur
英文摘要: Mixed-species plantations containing non-nitrogen (N)-fixing species and N-fixing species have the potential to increase the productivity and the ecophysiological performance of the target tree species in comparison to monoculture. However, there are few and conflicting data on the effects of fixed N transfer on species water use efficiency in the short, medium and long term. In this paper, we evaluate the productivity and intrinsic water use efficiency (WUEi), i.e., the ratio of photosynthesis (A) to stomatal conductance (gs), in Quercus robur L. (pedunculate oak) stands growing in monoculture and in combination with Alnus cordata Loisel. (Italian alder) in a ratio of 25% (stand F25%) and 50% (stand F50%). We analyzed δ13C in tree rings as a proxy of the inter-annual changes in WUEi, while the influence of the stomatal conductance was explored through δ18O data. Our results indicate a considerable increase in cumulative basal area (BAI) and in WUEi in the two mixed stands during the period 1990–2002, largely resulting from an increase in N availability, due to the N-fixing species that induced an enhancement of A. After 2002, the differences between the three stands in terms of N% in tree rings, BAI and WUEi leveled off, when natural mortality or management practices decreased the competitive ability of Italian alder. Our study shows the importance of intercropping with a suitable N-fixing species to ensure high levels of productivity and water use efficiency of the target tree species in a Mediterranean-type agroforestry system, but also the need to understand how species interaction changes in time and space with a view to setting the management criteria to maximize tree performance. © 2017 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/64432
Appears in Collections:影响、适应和脆弱性

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作者单位: Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Second University of Naples, via Vivaldi 43, Caserta, Italy; Ecole Pratique des Hautes Etudes (PALECO EPHE), Institut des Sciences de I'Evolution-ISEM, University of Montpellier 2, Montpellier, France; CMCC, Euro-Mediterranean Center on Climate Change, Italy; Consiglio per la ricerca in agricoltura e I'analisi dell'economia agraria, Forestry Research Centre, (CREA-SEL), viale Santa Margherita 80, Arezzo, Italy; Department of AGRARIA, Mediterranean University of Reggio Calabria, Località Feo di Vito, Reggio Calabria, Italy; Department of Biosciences and Territory, University of Molise, Contrada Fonte Lappone, Pesche, IS, Italy; The EFI Project Centre on Mountain Forests (MOUNTFOR), Edmund Mach Foundation, San Michele all'Adige, TN, Italy

Recommended Citation:
Battipaglia G.,Pelleri F.,Lombardi F.,et al. Effects of associating Quercus robur L. and Alnus cordata Loisel. on plantation productivity and water use efficiency[J]. Forest Ecology and Management,2017-01-01,391
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