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Key messageStriking hydro-climatic differences of 2 years (wet; dry) dramatically control the increment pattern ofL. huasangoin varying extent, even causing a “growth collapse” during the La Niña drought 2010/2011. Abstract We present the first multi-year long time series of local climate data in the seasonally...
Key messageSpring temperature is a major limiting factor at the beginning of the growing season, the timing of growth initiation can increase by about 7days/°C. During the growing season, impacts of climate variables on radialgrowth are similar along an altitudinal gradient. Abstract Altitude is considered as an important factor affecting tree growth in mountain forest ecosystems. In this...
We present an intra‐annual stable carbon isotope (δ13C) study based on a labeling experiment to illustrate differences in temporal patterns of recent carbon allocation to wood structures of two functional types of trees, Podocarpus falcatus (a late‐successional evergreen conifer) and Croton macrostachyus (a deciduous broadleaved pioneer tree), in a tropical mountain forest in Ethiopia.Dendrometer...
Munessa Forest is a mountain forest in south-eastern Ethiopia experiencing seasonal rainfall variation. We investigated seasonal cambial activity and dormancy from increment rates of four different tree species belonging to varying life forms, namely, evergreen native conifer (Podocarpus falcatus), evergreen introduced conifer (Pinus patula), evergreen broadleaved tree (Prunus africana) and deciduous...
Stem diameter increments of the broadleaved deciduous tree species Tabebuia chrysantha were measured with high-resolution dendrometers in a tropical lower montane forest and in a dry forest in southern Ecuador, the latter showing a distinct dry season. Those analyses were complemented by wood anatomical studies on regularly collected microcores to determine the season of active cambial growth and...
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