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Scopelophila ligulata (Spruce) Spruce.
2012Nell'ambito della redazione di schede di assesment per la realizzazione di una lista rossa della flora vascolare e crittogamica italiana, viene presentata la scheda relativa a Scopelophila ligulata (Spruce) Spruce.
ALEFFI, Michele, TACCHI, Roberta
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Journal of Fluids Engineering, 1930
Abstract The author seeks to prove that wood is a better material than metal in airplane construction where strength is required, airplane spruce being the material against which all other materials are checked for suitability. The paper indicates that airplane spruce gives the least possible weight with the greatest possible strength ...
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Abstract The author seeks to prove that wood is a better material than metal in airplane construction where strength is required, airplane spruce being the material against which all other materials are checked for suitability. The paper indicates that airplane spruce gives the least possible weight with the greatest possible strength ...
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Ancient Blue Spruce Hiding Among Engelmann Spruce
Results of research in forest health and forest futures in Utah Key Results 1. Ancient trees: Old-growth blue and Engelmann spruce (>300 years, Fig. 1) were scattered throughout closed-canopy stands. 2. Drought stress predominates: Higher precipitation and lower maximum temperatures improve growth — even in a forest at 10,000 ft. 3.Lutz, James A., Birch, Joseph D.
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Climate drivers of bark beetle outbreak dynamics in Norway spruce forests
, 2017L. Marini +12 more
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