Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2016
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Jihong Liu Clarke Lisa Paruch Hege Særvold Steen Andre van Eerde Yanliang Wang Astrid Sivertsen Sissel Haugslien Inger HeldalAbstract
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Authors
Nicholas Clarke Hugh Cross Toril Drabløs Eldhuset Kjersti Holt Hanssen Ari Hietala O. Janne Kjønaas Holger Lange Jørn-Frode Nordbakken Tonje Økland Ingvald Røsberg Silje SkårAbstract
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Hanna Marika Silvennoinen Teresa Gómez de la Bárcena Christophe Moni Marcin Szychowski Paulina Rajewicz Daniel RasseAbstract
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Hanna Marika Silvennoinen Mats Höglind Christophe Moni Ingunn Burud Erling Fjelldal Daniel RasseAbstract
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Zhibo Hamborg YeonKyeong Lee Astrid Sivertsen Gry Skjeseth Sissel Haugslien Jihong Liu Clarke Qiao-Chun Wang Dag-Ragnar BlystadAbstract
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Abstract
Effects of clear-cut harvesting on ground vegetation plant species diversity and their cover are investigated at two Norway spruce sites in southern Norway, differing in climate and topography. Experimental plots at these two sites were either harvested conventionally (stem-only harvesting) or whole trees including crowns, twigs and branches were removed (whole-tree harvesting), leaving residue piles on the ground for some months. We compare the number of plant species in different groups and their cover sums before and after harvesting, and between the different treatments, using non-parametric statistical tests. An overall loss of ground vegetation biodiversity is induced by harvesting and there is a shift in cover of dominant species, with negative effects for bryophytes and dwarf shrubs and an increase of graminoid cover. Differences between the two harvesting methods at both sites were mainly due to the residue piles assembled during whole-tree harvesting and the physical damage made during the harvesting of residues in these piles. The presence of the residue piles had a clear negative impact on both species numbers and cover. Pile residue harvesting on unfrozen and snow-free soil caused more damage to the forest floor in the steep terrain at the western site compared to the eastern site.
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No abstract has been registered