scholarly journals Assisting revegetation by Alnus hirsuta after hillside work

2018 ◽  
Vol 43 (3) ◽  
pp. 516-520
Author(s):  
Hiroshi TAKEDA
Keyword(s):  
Alnus Hirsuta

Diarylheptanoids with In Vitro Inducible Nitric Oxide Synthesis Inhibitory Activity from Alnus hirsuta

Planta Medica ◽  
2000 ◽  
Vol 66 (6) ◽  
pp. 551-553 ◽  
Author(s):  
Min-Won Lee ◽  
Na-Young Kim ◽  
Myung-Shin Park ◽  
Kyoung-Hwan Ahn ◽  
Sang-Hak Toh ◽  
...  
Keyword(s):  
Nitric Oxide ◽  
Inhibitory Activity ◽  
Nitric Oxide Synthesis ◽  
Alnus Hirsuta ◽  
Inducible Nitric Oxide

Effects of CO2 in interaction with temperature and soil fertility on the foliar phenology of alder, birch, and maple seedlings

1995 ◽  
Vol 73 (2) ◽  
pp. 149-157 ◽  
Author(s):  
Takayoshi Koike
Keyword(s):  
Low Fertility ◽  
High Fertility ◽  
Betula Platyphylla ◽  
Leaf Production ◽  
Bud Formation ◽  
Alnus Hirsuta ◽  
Low Levels ◽  
Sympodial Growth ◽  
Acer Mono ◽  
Foliar Phenology

The foliar phenology of potted 1-year-old seedlings of alder (Alnus hirsuta Turcz.), maple (Acer mono Maxim.), and birch (Betula platyphylla Sukatch. var. japonica Hara) was observed from May to September in eight growth environments: factorial combinations of temperatures (light:dark, 30:20 °C and 26:16 °C), CO2 level (70 and 36 Pa), and nutrient regime (high versus low levels of fertilization). Seedlings grown at high fertility always had more leaves, and under high CO2, shed leaves slightly later than seedlings grown at low fertility. Except for maple, production of newly formed shoots and leaves was accelerated by high CO2. In maple, high CO2 only increased the number of flushes of the leader shoot. Alder and birch accelerated sylleptic shoot and leaf production at high CO2 in fertile conditions. The production of new leaves by alder grown at high CO2 and low fertility was almost the same as that grown under normal CO2, at high fertility. At high CO2, the timing of winter bud formation of monopodial alder and maple was delayed, while that of sympodial birch was almost the same as at ambient CO2. Key words: foliar phenology, elevated atmospheric CO2 and temperature, monopodial versus sympodial growth, nutrient levels, winter bud formation, global change.

Hirsunin, an ellagitannin with a diarylheptanoid moiety, from Alnus hirsuta var. Microphylla

1992 ◽  
Vol 31 (3) ◽  
pp. 967-970 ◽  
Author(s):  
Lee Min-Won ◽  
Takashi Tanaka ◽  
Gen-Ichiro Nonaka ◽  
Itsuo Nishioka
Keyword(s):  
Alnus Hirsuta

Spatial distribution and biomass of root nodules in a naturally regenerated stand of Alnus hirsuta (Turcz.) var. sibirica

Symbiosis ◽  
2009 ◽  
Vol 50 (1-2) ◽  
pp. 77-86 ◽  
Author(s):  
Hiroyuki Tobita ◽  
Shigeaki F. Hasegawa ◽  
Xingjun Tian ◽  
Satoshi Nanami ◽  
Hiroshi Takeda
Keyword(s):  
Spatial Distribution ◽  
Root Nodules ◽  
Alnus Hirsuta

Structure and developmental process of a Quercus mongolica var. grosseserrata forest in the Fagetea crenatae region in Japan

2000 ◽  
Vol 30 (12) ◽  
pp. 1877-1885 ◽  
Author(s):  
Kazumi Fujita ◽  
Junji Sano
Keyword(s):  
Stand Structure ◽  
Developmental Process ◽  
Tree Establishment ◽  
Seedling Regeneration ◽  
Developmental Processes ◽  
Quercus Mongolica ◽  
Large Fluctuations ◽  
Alnus Hirsuta ◽  
Growth Change ◽  
Quercus Forest

Structure and developmental processes were studied in a Quercus mongolica Fisch. var. grosseserrata (Bl.) Rehd. et Wils. forest in the Fagetea crenatae Bl. region in Japan. The Quercus forest was classified into three stand types: stands dominated by Quercus with many species (type Q-MIX), Quercus-Fagus (type Q-F), and Quercus (type Q). In Q-MIX, Alnus hirsuta Turcz. had a bell-shaped DBH-class distribution. Most Quercus trees were single stemmed. The establishment of Quercus trees occurred continuously from the 1900s. The percentage of growth change (%GC) exhibited negative values from the 1940s. In Q-F and Q, Quercus trees had bell-shaped DBH-class distributions, and multiple-stemmed trees showed broad distributions. In Q-F, tree establishment peak was in the 1870s. %GC exhibited large fluctuations. In Q, tree establishment peak was in the 1850s. %GC exhibited negative values for 60 years. In conclusion, type Q-MIX, Q-F, and Q developed mainly by seedling regeneration following major cutting in the 1900s, sprout and seedling regeneration following intermittent cuttings mainly in the 1870s, and sprout and seedling regeneration following successive cuttings mainly in the 1850s, respectively. Cutting disturbance can be a major factor in developmental processes in Quercus forest; the frequency and intensity of cuttings affect the stand structure and the dominance of Quercus in the Fagetea crenatae region.

Anti-adipogenic diarylheptanoids from Alnus hirsuta f. sibirica on 3T3-L1 cells

2013 ◽  
Vol 23 (7) ◽  
pp. 2069-2073 ◽  
Author(s):  
Mina Lee ◽  
Ji Yeon Song ◽  
Young-Won Chin ◽  
Sang Hyun Sung
Keyword(s):  
Alnus Hirsuta
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