A resource capture efficiency index to compare differences in early growth of four tree species in northern England
Andrew D Leslie (1) , Maurizio Mencuccini (2), Mike P Perks (3)
iForest - Biogeosciences and Forestry, Volume 10, Issue 2, Pages 397-405 (2017)
doi: https://doi.org/10.3832/ifor2248-010
Published: Mar 24, 2017 - Copyright © 2017 SISEF
Research Articles
Abstract
At a trial established in Cumbria, northern England, significant differences in growth rate between tree species were apparent, with cider gum (Eucalyptus gunnii) and alder (Alnus glutinosa) exhibiting most rapid volume and biomass accumulation. Estimations were made of leaf area, specific leaf area, leaf area ratio (based on stem mass not whole tree mass) and length of growing season. These measurements were undertaken to explain tree growth difference and developing a growth potential index based on growing season length and leaf area. The high leaf area of cider gum and alder explained some of their superior growth, while alder also had the longest period in leaf, compared with ash (Fraxinus excelsior) and sycamore (Acer pseudoplatanus). The slow growth of ash can be explained by the short period in leaf and also the relatively low leaf area ratio. Leaf area to stem weight also differed between species with that of ash being relatively low. Specific leaf area was also low for ash, a trait shared with cider gum, which suggests that these species invest highly in each unit of leaf area. Of the tree species assessed, the length of the growing season was longest for alder, enabling it to maintain growth for a longer period. By multiplying growing season by leaf area a resource capture index was calculated and this explained 56% of the variation in stem dry weight between trees. The potential and limitations for using this index are discussed.
Keywords
Fraxinus excelsior, Acer pseudoplatanus, Resource Capture Efficiency
Authors’ Info
Authors’ address
National School of Forestry, University of Cumbria, Ambleside Campus, Rydal Road, Ambleside, LA22 9BB (UK)
School of Geosciences, University of Edinburgh, Crew Building, The King’s Buildings, West Mains Road, Edinburgh EH9 3JN (UK)
Centre for Forestry and Climate Change, Forest Research, Northern Research Station, Roslin, Midlothian EH25 9SY (UK)
Corresponding author
Paper Info
Citation
Leslie AD, Mencuccini M, Perks MP (2017). A resource capture efficiency index to compare differences in early growth of four tree species in northern England. iForest 10: 397-405. - doi: 10.3832/ifor2248-010
Academic Editor
Silvano Fares
Paper history
Received: Oct 12, 2016
Accepted: Feb 01, 2017
First online: Mar 24, 2017
Publication Date: Apr 30, 2017
Publication Time: 1.70 months
Copyright Information
© SISEF - The Italian Society of Silviculture and Forest Ecology 2017
Open Access
This article is distributed under the terms of the Creative Commons Attribution-Non Commercial 4.0 International (https://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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