African Group proposed that use of digital sequence information on genetic resource should be equivalent to utilization of genetic resource at the thirteenth meeting of the Conference of the Parties to the Convention on Biological Diversity. The aim of this paper is to seek the legal issues should be discussed through the analysis of the statement by Parties and the COP and MOP decisions. It is found that following issues were considered as legal issues; 1.the treatment of digital sequence information when the genetic resource was accessed and 2. access to digital sequence information.

This study aims to report the impact assessment of grazing damage by Sika deer on stubs of deciduous Fagaceae in Tsushima Island, Nagasaki Prefecture. Shiitake-mushroom production in Tsushima has depended on natural resprouting of deciduous trees. Dataset on stubs of Quercus serrata and Q. variabiris under grazing damages were collected at 4 woodlands which different periods passed after logging for Shiitake-mushroom production. Results of statistical analysis and binomial logistic regression analysis revealed that grazing damage to shaft of sprouts are available as indices for deciding the appropriate term for establishing fences to prevent grazing damages during resprouting period.

A test was performed for a Zelkova tree situating at the edge of group trees in a same mode as our study of isolated Zelkova to measure transpiration rate per unit leaf area under the same condition. As a result, transpiration rate of the isolated Zelkova was about 70 percent more than that of one at the edge of group trees. From this, it was investigated and confirmed that lower surrounding plant density results in higher transpiration rate of the tree.

We used a greening base hardened by shirasu to perform a trial execution of about 160 m² of rooftop greening materials on the rooftop of a building, and then evaluated the effect of this greening base in reducing the thermal environment by comparing the surface temperature on the roof surface with the ceiling under the slab. We also compared the water retentivity of the greening base with that of artificial lightweight soil. At the hottest time on a summer day, the surface temperature on the rooftop with greening materials fell to about 10 ℃lower than the non-greening area, and also fell to 13-16 ℃ lower on the ceiling surface below the greening base. As for the water retentivity of the greening base, the volumetric water content and water retentivity slightly exceeded those of artificial light weight soil three days after adding water, confirming the water-retention ability of the greening base.

The purpose of this study is to verify the distribution pattern of CO₂ concentration in the living environment and to clarify the dynamics of CO₂ concentration as basis for regional environmental assessment. We analyzed by the measurement data from 2011 to 2015 in the three prefectures in Tokai Area. First, "CO₂ standard concentration" was defined and verified as a measure for evaluating CO₂ concentration in the living environment. Next, as a case study, multi-point measurements of CO₂ concentrations were performed regularly for one year. Then, the distribution pattern of the CO₂ standard concentration was visualized using the measured data. The results of the study were follows: 1) The CO₂ standard concentration showed the minimum in the diurnal cycle of CO₂ concentration around 2pm in the prevailing wind direction and it lasted for several hours; 2) The distribution pattern of the CO₂ standard concentration was what reflected carbon dioxide sinks etc. in the region without fluctuating.