NDLI: Climate and forest management influence nitrogen balance of European beech forests: microbial N transformations and inorganic N net uptake capacity of mycorrhizal roots

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Climate and forest management influence nitrogen balance of European beech forests: microbial N transformations and inorganic N net uptake capacity of mycorrhizal roots

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Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 124, Issue 1, April 2005

Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 123

Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 122

Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 121

Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 120

Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 119

Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 118

Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 117

Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch : Volume 116

Climate and forest management influence nitrogen balance of European beech forests: microbial N transformations and inorganic N net uptake capacity of mycorrhizal roots

Content Provider	Springer Nature Link
Author	Geßler, Arthur Jung, Klaus Gasche, Rainer Papen, Hans Heidenfelder, Anita Börner, Eric Metzler, Berthold Augustin, Sabine Hildebrand, Ernst Rennenberg, Heinz
Copyright Year	2005
Abstract	The effects of local climate and silvicultural treatment on the inorganic N availability, net N uptake capacity of mycorrhizal beech roots and microbial N conversion were assessed in order to characterise changes in the partitioning of inorganic N between adult beech and soil microorganisms. Fine root dynamics, inorganic N in the soil solution and in soil extracts, nitrate and ammonium uptake kinetics of beech as well as gross ammonification, nitrification and denitrification rates were determined in a beech stand consisting of paired sites that mainly differed in aspect (SW vs. NE) and stand density (controls and thinning treatments). Nitrate was the only inorganic N form detectable in the soil water. Its concentration was high in control plots of the NE aspect, but only in canopy gaps and not influenced by thinning. Neither thinning nor aspect affected the abundance of root tips in the soil. Maximum nitrate net uptake by mycorrhizal fine roots of beech, however, differed with aspect, showing significantly lower values at the SW aspect with warm–dry local climate. There were no clear-cut significant effects of local climate or thinning on microbial N conversion, but a tendency towards higher ammonification and nitrification and lower denitrification rates on the untreated controls of the SW as compared to the NE aspect. Apparently, the observed sensitivity of beech towards reduced soil water availability is at least partially due to impaired N acquisition. This seems to be mainly a consequence of reduced N uptake capacity rather than of limited microbial re-supply of inorganic N or of changed patterns of inorganic N partitioning between soil bacteria and roots.
Starting Page	95
Ending Page	111
Page Count	17
File Format	PDF
ISSN	16124669
Journal	Forstwissenschaftliches Centralblatt vereinigt mit Tharandter forstliches Jahrbuch
Volume Number	124
Issue Number	2
e-ISSN	16124677
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-05-13
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nitrification Denitrification Ammonification Nitrate net uptake Fine root abundance Desorption solution
Content Type	Text
Resource Type	Article
Subject	Plant Science Forestry

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