Response of Coniferous Forest Ecosystems on Mineral Soils to Nutrient Additions: A Review of Swedish Experiences

Nohrstedt, Hans‐Örjan

doi:10.1080/02827580152699385

Cited by 178 publications

(165 citation statements)

References 47 publications

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“…The expected positive effects of forest liming are the deacidification of soil and seepage water, and the increase in Ca and Mg supply of the soil [2], which may have been decreased by various processes of soil acidification [4]. However, negative effects have also occurred: emission of CO 2 due to the loss of organic matter [22,32], NO − 3 leaching [25], and reduced tree growth [31,36]. Therefore, forest liming is still controversial in Central and Northern Europe [19,24,27,31,32,36,41] and the various foci and interpretations of the findings of the acidification/liming problems have resulted in very diverse policies, especially in the German states [19].…”

Section: Introductionmentioning

confidence: 99%

Tree nutrition of Norway spruce as modified by liming and experimental acidification at the Höglwald site, Germany, from 1982 to 2004

Huber¹,

Weis²,

Göttlein³

2006

Ann. For. Sci.

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-From 1982 to 2004 the elemental concentrations of current, current+1, and current+2 year old needles of a mature spruce stand were investigated at the N-saturated, acidified, but healthy Höglwald site. The control was compared with a liming, experimental acid irrigation, acid irrigation + liming, normal irrigation, and normal irrigation + liming treatment. Liming was performed in 1984, and irrigation from [1984][1985][1986][1987][1988][1989][1990]. High year to year variations were found for most of the elements in all treatments, especially for K ("deficient" to "high"). Despite the N saturation of the ecosystem, needles showed no N-overfeeding of the trees. N, Mg, K, Fe concentrations showed no clear treatment effects. Twenty years after liming a lowered P availability is indicated, which was more pronounced in older needles. Ca concentrations increased after liming, while Al decreased. The elemental concentrations of the acid irrigated treatment did not differ significantly from the normal irrigated or control treatment.

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Section: Introductionmentioning

confidence: 99%

Tree nutrition of Norway spruce as modified by liming and experimental acidification at the Höglwald site, Germany, from 1982 to 2004

Huber¹,

Weis²,

Göttlein³

2006

Ann. For. Sci.

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“…Apart from increasing tree growth, N fertilization could affect forest ecosystems in other ways, such as reduced biodiversity of plants, mosses and lichens and ectomycorrhizal fungi. The increasing awareness of the deposition of air-pollution N and its possible effects have raised serious concerns regarding the suitability of fertilizing forests with N (Nohrstedt 2001).…”

Section: Introductionmentioning

confidence: 99%

Long-term dynamics of aboveground fungal communities in a subalpine Norway spruce forest under elevated nitrogen input

et al. 2010

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As anthropogenic N deposition has been suspected to be the main reason for the decline of macromycetous sporocarp production in forest ecosystems, various N-fertilization experiments were started in the mid 1990s. The dynamics of ectomycorrhizal (root-inhabiting) and terricolous saprobic (litter-inhabiting) fungal communities were studied by exhaustive sporocarp inventories in a substitution Norway spruce (Picea abies) forest in two 256-m 2 plots sampled for periods of 1 week at 1-m 2 resolution between 1994 and 2007. N was added to the soil twice per year in one plot from the fourth year onwards. The effects of N input and time on aboveground fungal communities were assessed using redundancy analysis, principal response curves and non-parametric multivariate ANOVA. Results of this long-term experiment revealed that both ectomycorrhizal and saprobic fungal communities responded to an increase in soil N input. The ectomycorrhizal community reacted by a fast decrease in sporocarp production and in species richness, whereas the saprobic community was less affected. The response was highly species specific, especially for the saprobic community. The difference in species composition between control and fertilized plots was significant after 1 year of N addition for ectomycorrhizal fungi and only after 3 years for saprobic fungi. An aging effect affected sporocarp production in the whole area. For both communities, this unidirectional drift in species composition was as important as the treatment effect. This result highlights the importance of considering the respective role of treatment and year effects in longterm field experiments on fungal communities.

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“…Long-term research on 61 the effects of forest fertilization on biomass yield has shown that significant increases in 62 production can be achieved (Nohrstedt, 2001; Pettersson and Högbom, 2004). A great need (Tamm, 1991;Nohrstedt, 2001).…”

mentioning

confidence: 99%

“…Higher forest biomass production can be achieved by better silvicultural measures, including 44 addition of nitrogen (N) being the main limiting nutrient in boreal forests (Nohrstedt, 2001). …”

mentioning

confidence: 99%

Initial effects of forest N, Ca, Mg and B large-scale fertilization on surface water chemistry and leaching from a catchment in central Sweden

Lundin

Nilsson

2014

Forest Ecology and Management

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Highlights 10 Large scale forest fertilization resulted in considerable nitrogen and calcium leaching. 11 High nitrate concentrations were reached in the first months after fertilization. 12 Total nitrogen outflow in the first year was 14 % of applied fertilizer. 13 Small pH decline with short-term duration occurred after the fertilization.14  Small amounts of boron (6 %) were leached after application. 16 Abstract 17Highly increased use of biomass production is placing great demands on Swedish forests. 18Several silvicultural measures can be implemented to increase forest production and 19 fertilization being addressed in this paper is one. Forest companies are now increasingly 20 applying fertilizer, with the main nutrient needed for high forest growth being nitrogen (N). 21This study investigated how commercial N fertilization (150 kg N/ha, including also Ca, Mg Other elements showing increased concentrations were ammonium (300%), B (3-fold), Mg 34 (80%), Ca (60%), potassium (K) (50%) and sodium (Na) (40%). The pH decreased in the first

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Response of Coniferous Forest Ecosystems on Mineral Soils to Nutrient Additions: A Review of Swedish Experiences

Cited by 178 publications

References 47 publications

Tree nutrition of Norway spruce as modified by liming and experimental acidification at the Höglwald site, Germany, from 1982 to 2004

Tree nutrition of Norway spruce as modified by liming and experimental acidification at the Höglwald site, Germany, from 1982 to 2004

Long-term dynamics of aboveground fungal communities in a subalpine Norway spruce forest under elevated nitrogen input

Initial effects of forest N, Ca, Mg and B large-scale fertilization on surface water chemistry and leaching from a catchment in central Sweden

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