Natkon Point Dendrometers

Publications related to our products

Barraclough A.D., Zweifel R., Cusens J. and Leuzinger S. 2018. Daytime stem swelling and seasonal reversal in the peristaltic depletion of stored water along the stem of Avicennia marina (Forssk.) Vierh. Tree Physiology, doi:10.1093/treephys/tpy021, 1-14.

Dietrich L, Zweifel R, Kahmen A. 2018. Theoretical and empirical evidence for the relationship between stem diameter variations and the crown water status of mature temperate trees. Tree Physiology, doi:10.1093/treephys/tpy023, 1-12.

Giuggiola A, Zweifel R, Feichtinger LM, Vollenweider P, Bugmann H, Haeni M, Rigling R. 2018. Competition for water in a xeric forest ecosystem – Effects of understory removal on soil micro-climate, growth and physiology of dominant Scots pine trees. Forest Ecology and Management, 409, 241–249.

Mencuccini M, Salmon Y, Mitchell P, Holtta T, Choat B, Meir P, O’Grady A, Tissue D, Zweifel R, Sevanto S, Pfautsch S. 2017. An empirical method that separates irreversible stem radial growth from bark water content changes in trees: theory and case studies. Plant Cell and Environment 40(2): 290-303.

Zweifel R, Haeni M, Buchmann N, Eugster W. 2016. Are trees able to grow in periods of stem shrinkage? New Phytologist DOI: 10.1111/nph.13995: 11 (link to New Phytologist).

Brinkmann N, Eugster W, Zweifel R, Buchmann N, Kahmen A. 2016. Temperate tree species show identical response in tree water deficit but different sensitivities in sap flow to summer soil drying. Tree Physiology 36(12): 1508-1519.

Zweifel R. 2015. Radial stem variations – a source of tree physiological information not fully expoited yet. Plant, Cell and Environment doi: 10.1111/pce.12613: 2 (PDF 235KB).

Dawes M.A., Zweifel R., Dawes N., Rixen Ch., and Hagedorn F. 2014. CO2 enrichment alters diurnal stem radius fluctuations of 36-yr-old Larix decidua growing at the alpine tree line. New Phytologist. DOI: 10.1111/nph.12742 (PDF 1.3MB)

Zweifel R., Drew DM, Schweingruber FH, Downes GM. 2014. Xylem as the main origin of stem radius changes in Eucalyptus. Functional Plant Biology. (PDF 1.7MB)

Verlinden MS, Broeckx LS, Zona D, Berhongaray G, De Groote T, Serrano MC, Janssens IA, Ceulemans R. 2013. Net ecosystem production and carbon balance of an SRC poplar plantation during its first rotation. Biomass & Bioenergy 56: 412-422. (PDF 960kB)

Etzold S., Zweifel R., Ruehr N.K., Eugster W., and Buchmann N. 2013. Long-term stem CO2 concentration measurements in Norway spruce in relation to biotic and abiotic factors. New Phytologist. 197, 1173-1184. (PDF 1MB)

Carrasco, L.O., Bucci, S.J., Scholz, F.G., Campanello, P., Madanes, N., Cristiano, P.M., Hao, G.-.Y., Wheeler, J.K., Holbrook, N.M. and Goldstein, G. 2013. Water storage discharge and refilling in the main stems of canopy tree species investigated using frequency domain reflectometry and electronic point dendrometers. Acta Hort. (ISHS) 991:17-24 (link to journal)

De Schepper V, van Dusschoten D, Copini P, Jahnke S, Steppe K. 2012. MRI links stem water content to stem diameter variations in transpiring trees. Journal of Experimental Botany 63(7): 2645-2653. (PDF 920kB)

Ehrenberger W, Rüger S, Fitzke R, Vollenweider P, Günthardt-Goerg M, Kuster T, Zimmermann U, Arend M. 2012.
Concomitant dendrometer and leaf patch pressure probe measurements reveal the effect of microclimate and soil moisture on diurnal stem water and leaf turgor variations in young oak trees. Functional Plant Biology. 39: 297-305. (PDF 870kB)

Leuzinger S, Bader MKF. 2012. Experimental vs. modeled water use in mature Norway spruce (Picea abies) exposed to elevated CO2. Frontiers in Plant Science 3, Article 229, 1-11. (PDF 1.9MB)

Etzold S., Ruehr N.K., Zweifel R., Dobbertin M., Zingg A., Pluess P., Häsler R., Eugster W., Buchmann N. 2011. The carbon balance of two contrasting mountain forest ecosystems in Switzerland: Similar annual trends, but seasonal differences. Ecosystems, 14 (8): 1289-1309. (PDF 740KB)

Zweifel R., Eugster W., Etzold S., Dobbertin M., Buchmann N. and Häsler R. 2010. Link between continuous stem radius changes and net ecosystem productivity of a subalpine Norway spruce forest in the Swiss Alps. New Phytologist, 187: 819-830. (PDF 510KB)

De Schepper V, Steppe K. 2010. Development and verification of a water and sugar transport model using measured stem diameter variations. Journal of Experimental Botany. 61(8): 2083-2099. (PDF 1MB)

Zweifel R., Rigling, A. & Dobbertin, M. 2009. Species-specific stomatal response of trees to drought – a link to vegetation dynamics?. Journal of Vegetation Science, 20, 442-454. (PDF 776KB)

Zweifel R., Steppe K. and Sterck FJ. 2007. Stomatal regulation by microclimate and tree water relations: interpreting ecophysiological field data with a hydraulic plant model. Journal of Experimental Botany, 58, 2113-2131. (PDF 1437KB)

Zweifel, R., L. Zimmermann, F. Zeugin and D.M. Newbery. 2006. Intra-annual radial growth and water relations of trees – implications towards a growth mechanism. Journal of Experimental Botany 57(6):1445-1459. (PDF 810KB)

Zweifel, R., L. Zimmermann and D.M. Newbery. 2005. Modeling tree water deficit from microclimate: an approach to quantifying drought stress. Tree Physiology 25:147-156. (PDF 810KB)

Zweifel, R., H. Item, R. Häsler. 2001. Link between diurnal stem radius changes and tree water relations. Tree Physiology 21:869-877. (PDF 950KB)

Zweifel, R., R. Häsler. 2001. Dynamics of water storage in mature subalpine Picea abies: temporal and spatial patterns of change in stem radius. Tree Physiology 21:561-569. (PDF 1MB)

Zweifel, R., H. Item, R. Häsler. 2000. Stem radius changes and their relation to stored water in stems of young Norway spruce trees. Trees 15: 50-57. (PDF 2.6MB)

Zweifel, R., R. Häsler. 2000. Frost-induced reversible shrinkage of bark of mature, subalpine conifers. Agric. For. Meteorol. 102: 213-222. (PDF 1.6MB)

Zweifel, R. 1999. The rhythm of trees – water storage dynamics in subalpine Nor-way spruce. Diss. ETH Zürich No. 13391, 112 p. (link to ETHZ library)