Master thesis

2022

• Evaluation of coastal forest planting bases for plant growth by the spatial analysis -Case study of coastal forests in the Sendai Plain-

2021

• Relationship between tree root exposure and topographic displacement of earthwork
• Geo-ecological study on environment of shaping ecotones and their change in forest steppe area in Mongolia

2020

• Distribution Strategy of Young Trees in Vegetation Succession: Relationship between Microtopography and Appropriate Location for Young Trees
• Soil developmental processes in Japanese Polder

2018

• Influence of agricultural land-uses on distribution of Andosols on slopes

2017

• Vertical Distribution of Microphytobenthos and Physicochemical Properties in Sediment of Coastal and Estuarine Tidalflat in South-east Ariake Bay
• Multi-proxy study of the alluvial fan environment during the Holocene in the Qu'Appelle Valley, Saskatchewan
• Changes in soil properties caused by tree planting in man-made islands in Tokyo Bay

2016

• Land use change and hydrogical environment in the catchment area of a small impounding dam in hilly area, Central Luzon, the Philippines

2015

• A study on characteristics of soil temperature change and soil respiration in urban green space
• Peat decomposition processes in coastal and alluvial wetlands evaluated by heterogeneity in chemical components

2014

• A new soil genesis and its processes induced by asphalt pavement
• Control of size fractions on elements distribution in the trans-boundary river within Mongolian territory

2013

• The effects of shika deer against terrestrial biogenic silica cycle
• A study on biological weathering of primary minerals and soil properties in low pH forest soils, Northern Japan

2012

• Livestock Herding Based on the Contract in Sahel Region -Case of Fulbe and Hausa in South-Western Niger-

2011

• Distributional situation and soil pH as growth condition of Papaver dubium L. in western Tama, Japan
• Environmental changes and multi-purpose tree use of Hausa cultivators in Sahel region of south-central Niger
• A study on metallic element composition of petals from Yoshino cherry tree and its regional characteristics in Tokyo Metropolitan area

2010

• Litter accumulation and allelopathic activity in the forest of Pinus densiflora and Quercus serrata in Yamanashi Prefecture, Japan
• Characterization of transition zone of forest soil and vegetation in Mt. Chokai, northern Japan
• Examination of vegetation study by GIS of the Herbarium Specimens information

2009

• Methodological study on characterization and evaluation of urban soils based on soil hardness profile and chemical properties -A case study in Kitanomaru Park-
• Formation process of Salix reinii colony and tree limit dynamics on the northwestern slope of the Mt. Fuji, Japan
• History and tenure system of public bath in Asama hot spa in Matsumoto city, Japan

Doctoral dissertation

2023

• Evaluation of soil forming factors in polder

2021

• Study on digital mapping of soil fertility for Thai jasmine rice
• Accumulation of elements in Cenococcum spp. sclerotia in different soil environment

2019

• Behavior and distribution of plastic debris in the urban river in Mongolia

2018

• A proposal for pedology of peat soils distributed in Japanese lowlands

2017

• Pedological Study on Man-made Soils by Focusing on Artifact Influences
• Impact of land uses on dynamics of pollutants along the Selenga River system in the Lake Baikal basin
• A Study on Wind Erosion Landforms in Humid Temperate Climate Focused on the Forming Processes of the Blowouts and Dunes on the Coastal Cliff Tops in Northern and Eastern Japan

2014

• A study on soil classification and evaluation based on soil compaction for Urban green spaces
• A study on sclerotia and mesofauna relationships in forest soils described by ectomycorrhizal fungal community profiles