Journal of the Japanese Society of Revegetation Technology
Online ISSN : 1884-3670
Print ISSN : 0916-7439
ISSN-L : 0916-7439
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Volume 38, Issue 1
No. 1
Displaying 1-50 of 56 articles from this issue
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Original Articles
  • Effects of urban green spaces and activities in these spaces on residents' health-related QOL
    Mamoru NASU, Yutaka IWASAKI, Yukiko TAKAOKA, Yuyeong KIM, Miyako ISHID ...
    Article type: ORIGINAL ARTICLE
    2012 Volume 38 Issue 1 Pages 3-8
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.3
    JOURNAL FREE ACCESS
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    A questionnaire survey was conducted in residential areas within the Tokyo metropolitan area in order to understand the effects that urban greening and activities in the green spaces have on the health-related quality of life (QOL) of its residents. Based on the data gathered, structural equation modeling was used to construct a path model consisting of the concepts of "regional environment" that includes green spaces, "green space activities", and "health-related QOL". This path model indicated that 20% of the health-related QOL attributes were likely determined by regional environment and green space activities, and while the direct effects of these two were roughly equivalent, the regional environment appeared to exert an indirect effect through the activities conducted. These findings suggest that, in order to improve health-related QOL, it is important to study the activities that occur in green spaces in addition to the physical greening of the environment.
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  • Verification of the healing effect in the coastal forest and the seashore in Chiba Prefecture, Japan
    Tamami SHIRAI, Yutaka IWASAKI
    Article type: ORIGINAL ARTICLE
    2012 Volume 38 Issue 1 Pages 9-14
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.9
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    Coastal forests have protected against storms and salt damage for a long time and played a role in maintaining a healthy life of people. They have also been reported to have prevented the disaster caused by the tsunami of the Great East Japan Earthquake. However, few studies have mentioned the physiological and psychological effects of coastal forests. This study aimed to examine healing effect of coastal forests using salivary cortisol concentration and a questionnaire. I also examined the healing effect of the seashore using a similar approach and compared both results. It was confirmed that men experienced relaxation in coastal forests and on the seashore; however, woman experienced this effect only in coastal forests. Furthermore, coastal forests are perceived as “calm” (vs. restless ) and “quiet” (vs. noisy ) , and seashores are perceived as “bright” (vs. dark ) and “open” (vs. closed ) .
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  • Effect of sunlight condition determined by terrain on tree health of Japanese mountain cherry (Cerasus jamasakura (Siebold ex Koidz.) H. Ohba var. jamasakura) in Yoshinoyama, Nara Prefecture, Japan
    Junichi IMANISHI, Hyunjun KIM, Yoshihiko IIDA, Hiroko OKUGAWA, Yukihir ...
    Article type: ORIGINAL ARTICLES
    2012 Volume 38 Issue 1 Pages 15-20
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.15
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    We studied effect of sunlight condition determined by terrain on tree health of Cerasus jamasakura (Siebold ex Koidz.) H. Ohba var. jamasakura in Yoshinoyama, Nara Prefecture, Japan. We selected 286 trees of C. jamasakura from the data of Nara Prefecture from 1993 to 1994 and analyzed it using a generalized additive model with tree health (good or no good) as an objective variable, and age class, accumulated amount of solar radiation during growing season and topographic wetness index as explanatory variables. As a result, old-age tree and solar radiation were statistically significant. C. jamasakura had tendency in an unhealthy state at sunny locations. It was considered that low water retention ability of soil promotes soil dryness at the level that adversely affects plants. It was indicated that north slopes where soil dryness is alleviated once were selected as planting sites for C. jamasakura at Yoshinoyama.
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  • Relationship between seed dispersal and invasive plants on a revegetation slope dominated by Alnus sieboldiana Matsum.
    Masato KOMUKAI, Kenji FUKUNAGA, Ryuichi TACHIBANA
    Article type: ORIGINAL ARTICLES
    2012 Volume 38 Issue 1 Pages 21-26
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.21
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    We investigated vegetation and seed dispersal on a revegetation slope dominated by Alnus sieboldiana Matsum. The results indicated that the component species on the revegetation slope and in the surrounding forest were different. However, we observed that evergreen woody plants from the immediate forest had invaded the revegetation slope. Therefore, plant succession will be in progress. In particular, ornithochory accounted for the presence of 60% of the invasive plants. With respect to leaf properties, evergreen woody plants accounted for 60% of the vegetation in the surrounding forest and on the upper slope, while deciduous woody plants accounted for 60% of the vegetation on the lower slope. The number of established plants and those that grew from dispersed seeds decreased with increase in the distance from the surrounding forest.
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  • Sap Flow movement on Magnolia grandiflora L. through the process of transplanting work
    Shinichi TAKEUCHI, Kohei MORITA, Takaya KISHIMOTO, Keitaro SHINOZAKI
    Article type: ORIGINAL ARTICLE
    2012 Volume 38 Issue 1 Pages 27-32
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.27
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    We measured sap flow in the tree trunk and the root of a Magnolia grandiflora tree and were able to record water movement attributes both before transplanting, during the preparation stages, and after the transplanting work was completed. The compensation heat pulse method was applied for measurements of sap flow in trunk. An improved heat pulse method, the heat ratio method (HRM) was used to measure sap flow in the largest lateral root exposed on the surface. The highest rate of sap flow was recorded in July, 4 months after girdling. Sap flow decreased gradually from this point. Accurate measurement of sap flow movement before and after root preparation and transplanting allows us to predict transplant success or failure. The greater sensitivity of the simpler HRM makes it a more effective tool than the heat pulse method.
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  • Experimental investigation of the effect of trees near flame to reduce the received heat radiation behind the trees
    Hisanori HAYASHI, Masahiko SHINOHARA, Sanae MATSUSHIMA, Kazue FUJIWARA
    Article type: ORIGINAL ARTICLE
    2012 Volume 38 Issue 1 Pages 33-38
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.33
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    Preventing the spread of fires is an important potential function of trees. In this investigation, the effect of trees near flame to reduce the received heat radiation behind the trees was inspected experimentally. The measured radiation behind trees was deducted from 10.1 % to 97.8 % depending on the increase of the coverage ratio of tree crowns. In both cases of when trees didn't catch fire and when trees caught fire by the flame, the effect to reduce the received heat radiation increased by the existence of trees. The result of the experimental investigation indicated that, at the spaces which become the evacuation routs or evacuation places at the event of disaster, it is important to make the planning of securing open spaces to avoid the ignition and burning of trees, as well as considering to select suitable species of trees and to arrange trees in a good way.
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  • The cooling effect of “green curtain” on the indoor thermal environment in the apartment building
    Masashi KATO, Yasuo KUWASAWA, Norimitsu ISHII, Kimihiro HINO, Tsuyoshi ...
    Article type: ORIGINAL ARTICLES
    2012 Volume 38 Issue 1 Pages 39-44
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.39
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    This study aims to clear the cooling effect of “green curtain” in the apartment building by the experiments which was conducted at the apartment building owned by Urban Renaissance Agency. The experiments were measured the indoor thermal environment of several dwelling units with different conditions of curtains. The conditions are the volume of leaves of green curtains and comparing with reed screens. We could get the result that green curtain had effect to improve the thermal living environment according to the volume of leaves area, and the green curtain had more effectiveness than reed screens. From this result, we estimated the effectiveness of saving electricity by green curtains. And also at the sensitive temperature it was cleared that green curtain have more effectiveness than other conditions when sliding doors and windows were opened.
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  • Investigation of wood chips as a substrate for extensive green roofs
    Yurika TASHIRO, Ayako NAGASE, Terumasa TAKAHASHI
    Article type: ORIGINAL ARTICLE
    2012 Volume 38 Issue 1 Pages 45-50
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.45
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    This study investigated the possibility of using woodchips as a substrate for a green roof on a five-story building in Matsudo, Chiba University. Three kinds of substrate were used; woodchips, garden compost and a mixture of the two. Vegetables (Brassica rapa var. peruviridis, Brassica rapa var. chinensis, Lactuca sativa var. crispa) and forbs (Viola×williamsii, Matthiola incana, Brassica oleracea) were grown in a container of each substrate. The results showed that the plant growth in woodchips was good as that in horticultural compost and woodchips can be used as a lightweight and environmental friendly green roof substrate.
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  • Annual change and temporal change of fertilizer component in rooftop garden thin substratum light soil
    Takanori KURONUMA, Saori HASHIMOTO, Ryuta CHIMURA, Haruaki YOKOKAWA, K ...
    Article type: ORIGINAL ARTICLES
    2012 Volume 38 Issue 1 Pages 51-55
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.51
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    We examined the annual change in rooftop garden thin substratum light soil turfed (Zoysia matrella Merr.). There were no annual change about growth of the turf and physical properties of soil. Soil organic matter tended to increase and fertilizer components were equal to average level in golf field soil. Unused soil was significantly higher than the others and decrease with age. Fertilizer component showed no significant differences by with or without addition of fertilization. Therefore, we concluded that we have to cultivate turf by use of how to be better suited for rooftop garden.
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  • Possibility of the objective diagnostic for the decline degree of tree vigor by water stress using hand-held chlorophyll fluorometer
    Ayu KUNIMASA, Takashi OYABU, Yoshihiro SAWADA, Satoshi YAMAMOTO, Michi ...
    Article type: ORIGINAL ARTICLE
    2012 Volume 38 Issue 1 Pages 56-60
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.56
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    In this research, we examined the possibility of tree vigor diagnosis by hand-held chlorophyll fluorometer (following, FluorPen) through comparison with the existing measuring method aiming at establishment of the simpler and more objective tree vigor diagnostic technique. Photinia glabra Thunb. were divided into the irrigation treatment groups and the non-irrigation treatment groups, and FluorPen, MINI-PAM, a chlorophyll meter, and visual diagnosis compared the decline degree of tree vigor by water stress. As a result, there was a significant difference by all the measuring methods in the irrigation treatment and the non-irrigation treatment after the 7th day of the experiment start. Moreover, only night measurement of FluorPen had a significant difference between the irrigation treatment and the non-irrigation treatment as of the 4th day.
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  • A hieratical scale approach to evaluate avifauna species richness
    Akihito AIZAWA, Yuria OYAMA, Tatsuaki KOBAYASHI
    Article type: ORIGINAL ARTICLES
    2012 Volume 38 Issue 1 Pages 61-66
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.61
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    We used a hieratical scale approach to evaluate avifauna species richness at Matsudo city, Chiba, Japan. Additive partitioning of species diversity and GLM were applied to understand which scale and factors have large contribution for the total species richness of urban avifauna community. As a result, woods area inside of the district scale mainly affected terrestrial birds diversity. On the other hand, the regional geographical factor and local aquatic factor along with grasslands affected water birds. It is considered that conserving woods area at each district scale and creating water areas with grasslands within the local scale are good for conserving urban avifauna richness.
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  • Measuring method for transpiration of a single tree using weighing machine and confirmation of its accuracy
    Takashi ASAWA, Akira HOYANO, Katsuya SHIMIZU, Mitsumasa KUBOTA
    Article type: ORIGINAL ARTICLE
    2012 Volume 38 Issue 1 Pages 67-72
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.67
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    As the first step of a series of studies which aim at quantifying and clarifying the characteristics of heat and water balances of a single tree, this paper focuses on the method to quantify transpiration of a Zelkova serrata using weighing machine and its accuracy. First, the measuring method for transpiration using the weighing machine was established, and the measurement system was made. The time variation of the weight measurement result was examined in summer. Next, a method to eliminate the effect of wind on the weight measurement result was proposed, and the estimation accuracy for the transpiration was confirmed when using the measurement and elimination method.
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  • Detection of elastic waves generated from Sarcandra glabra var. flava Makino using acoustic emission in water stress conditions
    Yuki UENO, Tetsuya SUZUKI
    2012 Volume 38 Issue 1 Pages 73-78
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.73
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    A large number of re-vegetation fields are affected by environmental conditions, such as soil water shortage. Prior to optimum management of these fields, non-destructive testing method for stress evaluation of plant is now in urgent demand. In this study, detection of elastic waves generated from Sarcandra glabra var. flava Makino is going to be performed, applying acoustic emission (AE) method. In water stressed conditions, elastic waves are emitted from gas-liquid flow in plant vessel. The characteristics of elastic waves in soil water stress conditions could be evaluated by comparing soil pF with a rate of AE generation, which is analyzed by time series AE data. A relation between AE rate and soil pF is correlated. Thus, by detecting elastic waves by AE, the water stress condition is quantitatively evaluated.
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  • Estimating stand volume in Sugi (Cryptomeria japonica) and Hinoki (Chamaecyparis obtusa) plantation with different scale approaches using airborne LiDAR
    Akira NEMOTO, Akira KATO, Tatsuaki KOBAYASHI
    Article type: ORIGINAL ARTICLE
    2012 Volume 38 Issue 1 Pages 79-84
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.79
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    This study aimed at estimating stand volume with plot based approach and single tree level approach using airborne LiDAR (Light and Detection and Ranging). In plot based approach，the objective variable was stand volume in plot scale，the explanatory variables derived from airborne LiDAR were calculated. The best prediction model was determined to choose variables by stepwise method. In single tree level approach, generalized allometric function using tree height and crown diameter estimated from airborne LiDAR was constructed. Comparing with both methods, single tree level approach was better in sparse forest with single layer.
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  • Species composition and spatial distribution of sediment propagule bank in Lake Biwa
    Ayumi IMANISHI, Kimisato ODA, Junichi IMANISHI, Yosihiro NATUHARA, Yuk ...
    Article type: ORIGINAL ARTICLES
    2012 Volume 38 Issue 1 Pages 85-90
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.85
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    We examined propagule bank in dredged soils collected from 8 sites in Lake Biwa using the seedling emergence method to reveal species composition and environmental variables related to spatial distribution of the sediment propagule bank. Fifty species and 5 taxa consisting of 2 Characeae, 1 bryophyte, 2 pteridophyte, and 50 angiosperms were recorded. Alien aquatic plant species such as Egeria densa and Elodea nuttallii which were recorded before dredging didn't germinate. Generalized linear models revealed that number of aquatic species was explained by percentage of sand, and that numbers of seedlings of submerged species, aquatic species, and indigenous wetland species were explained by percentage of sand and years after previous dredging. These results suggested that grain size composition of sediments and years after previous dredging are important environmental variables to find species-rich and high-density propagule bank.
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  • Initial transition of understory vegetation by trench-type micro-landform creation in a reclaimed suburban forest. -With particular reference to ferns-
    Kentaro MURAKAMI, Yukihiro MORIMOTO, Rie MATUI, Takashi OYABU, Yoshita ...
    Article type: ORIGINAL ARTICLES
    2012 Volume 38 Issue 1 Pages 91-96
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.91
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    Migration of ferns into six small trenches was monitored for three years in the Natural and Cultural Gardens in Expo '70 Commemorative Park, Suita City, Osaka, Japan. The results showed that ferns migrated into all trenches after three years and that fern migration can be promoted by the development of trenches. The dominant species changed to ferns in the damp evergreen broad-leaved forest stands. However, species composition scarcely changed in the moist, deciduous broad-leaved forest indicating that high-soil water content and the evergreen broad-leaved forest type may be preferable for promoting fern migration. In addition, a preference for a north-facing slope was indicated.
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  • Habitat evaluation of birds community at urban green spaces focused on nested structure
    Yuria OYAMA, Akihito AIZAWA, Tatsuaki KOBAYASHI
    Article type: ORIGINAL ARTICLE
    2012 Volume 38 Issue 1 Pages 97-102
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.97
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    The purpose of this study is to categorize species composition of urban avifauna community using beta diversity and nestedness analysis at eight districts of Matsudo-city, Chiba, Japan. The eight districts were classified into four types of species composition: high/low of beta diversity x exist/absent of nestedness. Additionally, to figure out the factors that affect the species composition, we use nMDS plotting. nMDS plotting indicated that the species composition of the study area extended on the dimension relationing to woods area, water area, farm area and urban area. Every type of the species composition indicated different pattern on the nMDS dimension.
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  • Study about factors that compose a group of aquatic insects in swimming pool
    Masato MORIKAWA, Tatsuaki KOBAYASHI, Akihito AIZAWA
    Article type: ORIGINAL ARTICLE
    2012 Volume 38 Issue 1 Pages 103-108
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.103
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    Species composition of aquatic insect in the swimming pool of 32 schools in Tokyo and Chiba prefectures was studied from 2007 to 2008. As a result of TWINSPAN analysis, stands were primarily classified into 2 groups as Tokyo and Chiba. Rhantus pulverosus, Hydaticus grammicus, Ranatra chinensis, and Crocothemis servilia mariannae were not observed at the swimming pools in Tokyo. Major environmental factors of species composition were considered to be the ratio of paddy field in the district and the presence of trees around the pool. The amount of fallen leaves in the pools affected the species population of aquatic insects.
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  • Reproductive capacity for sprouts of 7 tree species following cutting in old secondary forests at the warm temperate zone
    Keitaro YAMASE
    Article type: ORIGINAL ARTICLES
    2012 Volume 38 Issue 1 Pages 109-114
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.109
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    Sprouting that occurs after clear cutting of seven tree species commonly observed in broad-leaved secondary forests in the warm-temperate zone was investigated in Hyogo prefecture, Japan. The environmental factors affecting the sprouting ratio after one growing season and the survival rate of the sprout after three growing seasons were analyzed using a generalized linear mixed model. In Quercus serrata, the sprouting ratio was lower on drought-prone slopes, in short stumps and in old trees. On the other hand, the survival rate of stumps was higher on tall stumps. The older the tree, the lower the sprouting ratio in many tree species examined. This trend was most prominent in Quercus serrata. These results suggest that sprouting of Quercus serrata is sensitive to aging and that the survival rate of sprouts may be increased by controlling stump height.
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  • Chloroplast DNA phylogeography of Sanguisorba officinalis : an indicator of the Satoyama landscape
    Ikuyo SAEKI, Shinya IIDA, Fumito KOIKE, Yoshiko KOBAYASHI, Kazuyuki HI ...
    Article type: ORIGINAL ARTICLES
    2012 Volume 38 Issue 1 Pages 115-120
    Published: 2012
    Released on J-STAGE: April 16, 2013
    DOIhttps://doi.org/10.7211/jjsrt.38.115
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    Sanguisorba officinalis is an herb which grows at semi-natural grassland ecosystems in Satoyama landscapes, Japan. Because the species occurs in habitats managed by humans, we hypothesized that its genetic variation may have been affected more by anthropogenic factors rather than by climatic ones. In order to test the hypothesis, we collected 179 leaf samples in Japan and analyzed the geographic patterns of cpDNA haplotypes. Seventeen haplotypes were identified; their phylogeographic structure was weak. Distant populations were classified into the same group based on SAMOVA. Such characteristics are different from patterns previously reported for woody plants in Japan. Our findings suggest that herbaceous species favoring semi-natural grasslands may have distributed their seeds to distant sites through various human activities in Satoyama, and thus their phylogeogprahic structure was altered from one in prehistoric time.
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