Height growth of planted conifer seedlings in relation to solar radiation and position in Scots pine shelterwood. Strand, M., Lofvenius, M. O., Bergsten, U., Lundmark, T., & Rosvall, O. Forest Ecology and Management, 224(3):258–265, April, 2006. Place: Amsterdam Publisher: Elsevier Science Bv WOS:000236477600006doi abstract bibtex Seedlings of different provenances of Scots pine (Pinus sylvestris L.), lodgepole pine (Pinus contorta Dougl., var. latifolia Engelm.) and Norway spruce (Picea abies (L.) Karst.) were planted in three Scots pine shelterwoods (125, 65 and 43 stems ha(-1)) and a clear-cut, all in northern Sweden. The sites were mounded and planting took place during 2 consecutive years (1988 and 1989). The solar radiation experienced by the individual seedlings was determined using a simulation model. Height development of the seedlings was examined during their first 6 years after planting. During the final 3 years of the study, height growth of Norway spruce was relatively poor, both in the shelterwoods and the clear-cut area. Height growth of lodgepole pine was significantly greater than that of Scots pine, both in the shelterwoods and the clear-cut. In contrast to Norway spruce, Scots pine and lodgepole pine displayed significantly greater height growth in the clear-cut than in the shelterwoods. For all three species in the shelterwoods, regression analyses showed that height growth was more strongly correlated with the distance to the nearest tree than with the amount of radiation reaching the ground, i.e. growth was reduced in the vicinity of shelter trees. Therefore, we conclude that the significant reduction in height growth of seedlings of Scots pine and lodgepole pine in Scots pine shelterwoods was partially caused by factors associated with the distance to the nearest shelter tree. Because the substrate was a nitrogen-poor sandy soil, we suggest that root competition for mineral nutrients, especially nitrogen, accounts for the reduction in height growth. (c) 2006 Elsevier B.V. All rights reserved.
@article{strand_height_2006,
title = {Height growth of planted conifer seedlings in relation to solar radiation and position in {Scots} pine shelterwood},
volume = {224},
issn = {0378-1127},
doi = {10/fgp7q6},
abstract = {Seedlings of different provenances of Scots pine (Pinus sylvestris L.), lodgepole pine (Pinus contorta Dougl., var. latifolia Engelm.) and Norway spruce (Picea abies (L.) Karst.) were planted in three Scots pine shelterwoods (125, 65 and 43 stems ha(-1)) and a clear-cut, all in northern Sweden. The sites were mounded and planting took place during 2 consecutive years (1988 and 1989). The solar radiation experienced by the individual seedlings was determined using a simulation model. Height development of the seedlings was examined during their first 6 years after planting. During the final 3 years of the study, height growth of Norway spruce was relatively poor, both in the shelterwoods and the clear-cut area. Height growth of lodgepole pine was significantly greater than that of Scots pine, both in the shelterwoods and the clear-cut. In contrast to Norway spruce, Scots pine and lodgepole pine displayed significantly greater height growth in the clear-cut than in the shelterwoods. For all three species in the shelterwoods, regression analyses showed that height growth was more strongly correlated with the distance to the nearest tree than with the amount of radiation reaching the ground, i.e. growth was reduced in the vicinity of shelter trees. Therefore, we conclude that the significant reduction in height growth of seedlings of Scots pine and lodgepole pine in Scots pine shelterwoods was partially caused by factors associated with the distance to the nearest shelter tree. Because the substrate was a nitrogen-poor sandy soil, we suggest that root competition for mineral nutrients, especially nitrogen, accounts for the reduction in height growth. (c) 2006 Elsevier B.V. All rights reserved.},
language = {English},
number = {3},
journal = {Forest Ecology and Management},
author = {Strand, M. and Lofvenius, M. O. and Bergsten, U. and Lundmark, T. and Rosvall, O.},
month = apr,
year = {2006},
note = {Place: Amsterdam
Publisher: Elsevier Science Bv
WOS:000236477600006},
keywords = {Norway spruce, asymmetric crowns, british-columbia, discontinuous canopies, douglas-fir, height growths Scots pine, light availability, lodgepole pine, norway spruce stand, resource availability, shelterwood, solar radiation, southern finland, spatial-distribution, sub-alpine fir},
pages = {258--265},
}
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The solar radiation experienced by the individual seedlings was determined using a simulation model. Height development of the seedlings was examined during their first 6 years after planting. During the final 3 years of the study, height growth of Norway spruce was relatively poor, both in the shelterwoods and the clear-cut area. Height growth of lodgepole pine was significantly greater than that of Scots pine, both in the shelterwoods and the clear-cut. In contrast to Norway spruce, Scots pine and lodgepole pine displayed significantly greater height growth in the clear-cut than in the shelterwoods. For all three species in the shelterwoods, regression analyses showed that height growth was more strongly correlated with the distance to the nearest tree than with the amount of radiation reaching the ground, i.e. growth was reduced in the vicinity of shelter trees. Therefore, we conclude that the significant reduction in height growth of seedlings of Scots pine and lodgepole pine in Scots pine shelterwoods was partially caused by factors associated with the distance to the nearest shelter tree. Because the substrate was a nitrogen-poor sandy soil, we suggest that root competition for mineral nutrients, especially nitrogen, accounts for the reduction in height growth. (c) 2006 Elsevier B.V. All rights reserved.","language":"English","number":"3","journal":"Forest Ecology and Management","author":[{"propositions":[],"lastnames":["Strand"],"firstnames":["M."],"suffixes":[]},{"propositions":[],"lastnames":["Lofvenius"],"firstnames":["M.","O."],"suffixes":[]},{"propositions":[],"lastnames":["Bergsten"],"firstnames":["U."],"suffixes":[]},{"propositions":[],"lastnames":["Lundmark"],"firstnames":["T."],"suffixes":[]},{"propositions":[],"lastnames":["Rosvall"],"firstnames":["O."],"suffixes":[]}],"month":"April","year":"2006","note":"Place: Amsterdam Publisher: Elsevier Science Bv WOS:000236477600006","keywords":"Norway spruce, asymmetric crowns, british-columbia, discontinuous canopies, douglas-fir, height growths Scots pine, light availability, lodgepole pine, norway spruce stand, resource availability, shelterwood, solar radiation, southern finland, spatial-distribution, sub-alpine fir","pages":"258–265","bibtex":"@article{strand_height_2006,\n\ttitle = {Height growth of planted conifer seedlings in relation to solar radiation and position in {Scots} pine shelterwood},\n\tvolume = {224},\n\tissn = {0378-1127},\n\tdoi = {10/fgp7q6},\n\tabstract = {Seedlings of different provenances of Scots pine (Pinus sylvestris L.), lodgepole pine (Pinus contorta Dougl., var. latifolia Engelm.) and Norway spruce (Picea abies (L.) 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For all three species in the shelterwoods, regression analyses showed that height growth was more strongly correlated with the distance to the nearest tree than with the amount of radiation reaching the ground, i.e. growth was reduced in the vicinity of shelter trees. Therefore, we conclude that the significant reduction in height growth of seedlings of Scots pine and lodgepole pine in Scots pine shelterwoods was partially caused by factors associated with the distance to the nearest shelter tree. Because the substrate was a nitrogen-poor sandy soil, we suggest that root competition for mineral nutrients, especially nitrogen, accounts for the reduction in height growth. (c) 2006 Elsevier B.V. All rights reserved.},\n\tlanguage = {English},\n\tnumber = {3},\n\tjournal = {Forest Ecology and Management},\n\tauthor = {Strand, M. and Lofvenius, M. 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