Variation in the characters of Abies sachalinensis associated with altitudinal gradients

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The report in cludes the results of analysis in the reseach on Variation in the characters of Abies sachalinensis associated with altitudinal gradients at Tokyo University Forest in Hokkaido. As follows ; (1) Variation in growth respons of seedlings in eighteen years, (2) Growth characteristics, (3) Wood quality (4) The growth and flower setling, (5) Disease damage.In addition to studies, (6) The relation between age of first cone setting and tree size of Soghalien fir planted tree, (7) Growth and flower setling of grafted clones of Saghalien fir from two soarces at high and low altitudes, (8) Growth and flower setting of the top budded clones of Saghalien fir, (9) Growth of hybrid progeny from crosses between two sources at high and low altitudes, (10) Regeneration by natural layring Saghalien fir the forest line, (11) The Genetic variations in natural stands of Saghalien fir.