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Dendrometer tapes measure the stem diameter increments at breast heights (dbh). Photo: J. Homeier

Dendrometer tapes measure the stem diameter increments at breast heights (dbh). Photo: J. Homeier

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Conference Paper
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The Research Unit (RU) draws to its close and the-letter. After six years of exciting research activities resulting in an ample gain of knowledge we can proudly state that we have accomplished our mission towards the development of a science-directed and sustainable land-use system which is not only relevant for the investigated biodiversity hotspo...

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Context 1
... the Ecuadorian NUtrient Manipulation EXper- A1) we studied the effects of nutrient addition on stem diameter increment with dendrometer tapes (Figure 6) at all three existing After 4 years of nutrient addition, cumulative stem diameter increments were around 50% increased - dition at 2000 m and also at 3000 m ( Figure 7A). At 1000 m all treatments showed a 20% growth in- - tion of nutrients. ...
Context 2
... establishment of a tree ring-width chronology of Cedrela montana oxygen isotope measurements in wood cellulose (Figure 36 18 O variations of dif- ferent trees are highly correlated and show stronger common signals between trees than ring width or 13 - tion of climatic forcing factors related to the hydro- logical cycle. Presently, the length of the Cedrela isotope chronology is extended further back until - ...