Themes of Master’s theses

Themes of Master’s theses

2017 2016 2015 2014 2013 2012 2011 2010

2017

Comparative study on commercial log production managed under different conditions -Evaluating plantation grown teak of Sri Lanka-

Variability of trace metal distributions (Cd, Pb, Mn, Cu and Zn) and their biogeochemical cycles in the East China Sea and coastal areas of Japan

Crevasse splay formation and contribution to the development of alluvial ridges in the lower Kinu River, central Japan

Revaluation of the Fukaya fault system extension, the Metropolitan Area

Prevalence of the crayfish plague Aphanomyces astaci in invasive crayfishes in Japan

The effect of declining tree populations on the distribution and population genetic structure of host specific ectomycorrhizal fungi: evidence from endangered Pinus amamiana and Rhizopogon yakushimensis sp. nov.

Analysis on fluid flow along an ancient megasplay fault in a subduction zone based on geochemical approaches

Hysteresis of sika deer impact - verification from aging change of ground-layer cover and effects to soil physical properties-

Nutrient supply by the Kuroshio to the mixed layer in the Kuroshio-Oyashio interfrontal zone

Observation of near-surface CO2 using synergy of TIR and SWIR spectra measured by GOSAT sensor

Geomorphological comparison of gullies on Mars and Svalbard

Microbial community structure associated with eelgrass (Zostera marina) along the coast of Japan

Factors of the intensive management of private forests: A case study of Yazu central forest owner’s cooperative in Tottori prefecture

Hydraulic conductance and water distribution in stem xylem of Betula platyphylla var. japonica seedlings under water stress

Effects of clear-cutting and deer exclosure on plant growth and defense in abandoned coppice woodlands

Application of GIS and Google Earth Engine for change analysis of coastlines on the Yangtze River Delta

Mycoheterotrophy and leaf acclimation of endangered Chimaphila umbellata along the light gradient on forest floor

2016

Comparison of mega-flood feature of the Channeled Scabland and Martian outflow channels using DEMs

Distributions and behaviors of mercury in sediments of Touhoku coastal area and Otsuchi Bay, Japan

A study of the environment learning about the Wetland Park in China at the Science Class -Lotus Lake National Wetland Park as a case-

Diversity and Biocontrol Potential of Tea Endophytic Fungi

Ectomycorrhizal fungal communities of Tristaniopsis forests in Bangka Island, Indonesia

Landform Evolution of the southern Sashima Upland and surrounding region during Marine oxygen – Isotope Stage 5e to 4 in the Central part of the Kanto tectonic basin, Japan

Distribution and its determining factors of naturally recruited Japanese eels in rivers

A study of sustainable woody biomass utilization in peri-urban satoyama maintained by citizen groups

Sulfide adaptation mechanisms in marine polychaetes

Evaluation of climate change impact on autumn leaf of deciduous broad leaved trees

Targeted mutagenesis of CYP1A gene in Javanese medaka, Oryzias javanicus, to generate an organic pollutant bioindicator

A sharing method of sensory information by improving human computer interfaces of Cyberforest database to expand humans perception of nature

An attitude survey on management organizations and local residents surrounding two suburban forests in Kashiwa city, Chiba Prefecture

A study of environmental factors affecting natural regeneration of Chamaecyparis obtusa

Conservation genetics of endangered Pseudotsuga japonica and its specific ectomycorrhizal symbiont, Rhizopogon togasawariana

Actual conditions and challenges of forest environmental education implementation by school using forest environmental tax

Construction of terrestrial ecosystem carbon balance model for carbon dioxide transport calculation

Ectomycorrhizal fungal communities in Pinus luchuensis forests along the Ryukyu Islands

Analysis of model data for the aircraft observation of black carbon over west Siberia and Arctic region

A study of forest structure leading to snowmelt delay

Effect on aquatic lives of amine byproducts occuring in a carbon dioxide capture

Tsunami risk assessment on coastal areas in Shizuoka Prefecture based on analysis of decadal urban area expansion and geomorphology

Indirect impact of increasing sika deer on carabid beetles in Tanzawa mountains

The Characteristics and Challenges of Agritourism in Shijiazhuang, China: A Case Study of Zhoujiazhuangxiang Garden

Influences of marine environmental changes in the Japan sea in the last glacial period on deep-sea organisms populations

A study on the population identification of the Japanese flounder Paralichthys olivaceus by oxygen and carbon stable isotope ratios of otolith

Visualization of the sap flow velocity in a tree stem by a compact MRI

Effects of geomorphological properties on the surface failure occurred by a heavy rainfall in Hiroshima city in 2014 by using machine learning

The relationships between Tubakia spp., endophytic fungi in evergreen oaks, and their hosts

2015

Motion analysis for field work sensing by using wearable sensors

Effects of traditional harvesting and recent use of carrying machine on hygrophyte: Case study of Myoginohana marsh, Lake Kasumigaura

Paleomagnetic Intensity of the last 3.2 Million Years Using Marine Sediments in the Western Equatorial Pacific Ocean

Studies on population stracture of Japanese pearlside (Maurolicus japonicus) around Japan

Community structures and distributions of zooplankton in the North Equatorial Current

Studies on Classification of Stationary Fishing and Aquaculture Gear Using Remote Sensing: For Integrated Coastal Management

Effects of story manga on personal environmental awareness

Analyses of mycorrhizal fungi and experimental transplants of rare orchids designated for transplantation

Distribution and speciation of copper in seawater of East China Sea and its surrounding areas

A study of the involvement of farmers and a business enterprise in running the gardens for farming experience

A study on larval and juvenile migrations of the Japanese eel using a numerical model with swimming behaviors

Habitat Usage Characteristics of Two Middle-sized Carnivora in an Urban Environment

Assessment of the Global Satellite Mapping of Precipitation (GSMaP) products and bias correction methods for the Atrato River basin, Colombia

Tephrostratigraphy and sedimentary environment changes since the last 300ka recoded in a deep-sea core off coast of Akita

The influences of China nature reserve on local minority groups -A case study on Xishuangbanna National Nature Reserve-

A study of the method of estimating the quantity of thinning timber available for energy in a sustainable manner

The characteristics of degradation of dissolved organic matter released by seagrass and macroalgae

Susceptibility analysis and validation for deep-seated landslides using relict mass movement landforms and slope properties: the Kii Mountains, Japan

Holocene Landform Evolution at the South of Lake Idku, Northwest Nile Delta, Egypt, Reconstructed from Settlement Location and Sediment Cores

The history of “Natural Ecological Park” as cultural facility of urban parks in Japan

Study of cell division of the green alga Pseudokirchneriella subcapitata

Study on sedimentary micro-structure of seismogenic turbidites recorded in a terminal basin

“Research of breeding ecology of streaked shearwaters using genetic and behavioral analysis”

Taxonomy of vestimentiferan tubeworms (Annelida: Siboglinidae) inhabiting the northwestern Pacific Ocean

Marine biogeochemical studies of rare earth elements and neodymium isotopes in the North Pacific Ocean, Bering Sea and Chukchi Sea.

Relationship between appearance of toxic dinoflagellates Alexandrium spp. and marine environmental variation in Otsuchi Bay, Iwate Prefecture

Behavior of metals in river sediment from the E-waste recycling operations in the northern Vietnam

Proposal of the recovery test for the pharmaceutical using Ceriodaphnia dubia

Leaching behavior of metals from electronic waste (E-waste) during outdoor exposure

The study of detachment mechanisms of Mytilus galloprovincialis

2014

Grasp of the damage situation to neighborhood inhabitants by the windmill noise

Taxonomy and Reproductive Ecology of the Genus Palaeagapetus Ulmer (Trichoptera, Hydroptilidae)

Acute, chronic and mixture toxicity of 50 elements for Daphnids.

A study on the distributions of larvae of Anguilliformes in the North Equatorial Current

Large-scale comparative genomics revealed the ecology of proteorhodopsin-containing marine bacteria

Seedling establishment patterns and mycorrhizal symbioses of Pinus pumila on Mt. Norikura

Distributions of I-129 and iodine speciation in the Chukchi Sea, Bering Sea and Pacific Ocean.

Analysis of ground-based in situ measurement data for estimating CO2 emissions from urban area

Impacts of environmental changes on the distribution of the Pacific bluefin tuna Thunnus orientalis in the Sea of Japan

Reconstruction of the late Quaternary environmental changes by temporal and spatial distributions of Ni, Cr in the northern part of Hida range and off Joetsu area.

Estimation of optical properties of aerosol above ocean using a radiative transfer model in the coupled atmosphere-ocean system

Holocene environmental changes in Yamada plain, south of Sanriku coast in northeast Japan

Distribution of methane hydrate BSRs and shallow thermal structure in the Nankai subduction zone

The exploration and functional analysis of a new divalent metal transporter in Bivalvia

A study on the state and deployment process of greening activities of schools in Korea

Lichen communities in the volcanic desert on Mt. Fuji

Heat tolerance traits of ectomycorrhizal fungal spore-banks in an endangered Japanese Douglas-fir forest

Towards the conservation of mycoheterotrophic orchids: characterizing ecophysiological traits of Lecanorchis nigricans

A study on the protection of forest on slope as a symbolic green in Nagareyama City, Chiba, Japan

Estimation of infrared emissivity of sea ice by using satellite data

Characteristics and dynamics of dissolved humic-like substances in Otsuchi Bay

A study on the development of teaching materials of climate change learning based on the experience of educator’s field survey in forest

Interactions between endophytic fungi of tree leaves

Elucidation of dynamics of dissolved free amino acids in surface waters of the central Pacific

Current status and continuous factors of Sack Gardening in Nairobi, Kenya

A study on embolism expansion and its repair of Betula platyphylla var. japonica and Cercidiphyllum japonicum

A study of mangrove reforestation by community -based forest management in Philippines

Mycorrhizal fungal resources for Dipterocarpaceae in Indonesia

A study on the auditory effects of recalling nature by using the musical expression of natural sounds

The relation between the children’s description image of natural environment and their natural experience frequency

The construction of forest virtual experience environment in the mobile terminal, and the evaluation of the feasibility and effectiveness of the virtual experience

A numerical study of the source of anthropogenic aerosols emission by using ground observation assimilated into NICAM-SPRINTARS.

The current state of ground beetles in “Minuma-tambo” -Relationship between environmental factors determining the distribution and land-use pattern-

2013

Effects of organic matter originating from aquatic macrophytes on lake eutrophication

A comparative study of stock assessment and fishery management between Pacific stock of chub mackerel (Scomber japonicus) and Northeast Atlantic mackerel (Scomber scombrus)

Acoustic evaluation of narrow-ridged finless porpoise habitat use in nearshore waters

Numerical analysis via Non-hydrostatic modeling on anoxic water dynamics

Studies on food webs of drifting seaweed ecosystems using stable isotope analysis

Examination of reproductive isolation between two closely related snails, Batillaria multiformis and B. flectosiphonata: analysis of mode of development and molecular ecological approaches

Effects of herbivory by sika deer on the insect community of multi-trophic level

Environmental alteration by macrophyte bed in a shallow lake

A study on the regional scale modeling of atmospheric chemistry with use of a non hydrostatic atmospheric model NICAM-CHASER

Diversity and phylogeography of ectomycorrhizal fungi in Ryukyu Islands

The potential role of Kou for the creation of suburban communities

Characteristic and Development Process of Wetlands on Landslide Masses in Hachimantai Volcanic Group

Physiological role of proteorhodopsin in luminous bacterium, Vibrio campbellii

Effect of drag on swimming behavior of cetaceans

Distribution and production processes of Colloidal Biogenic Silica in the Ocean

Verification of intermittent methane seep activity through radiocarbon dating of shells from a large Calyptogena colony off Tokai

A development and that application of the short-term detection method for arthropodal endocrine-disrupting chemical-Targeting at plant aroma oil-

Metabolomic analysis of the seagrass, Halophila ovalis: response to nickel induced stress

Decomposition of tree fine roots

Evaluation of Urban Trees by Developing and Analyzing the Protected Trees Database – The case of Shinjuku Ward, Tokyo –

The Development Process and Formation Factors of Raised Bed Rivers (Tenjogawa)

Effect on the impression of listeners to the live sound from forest

Biogeochemical cycles around of seagrass beds in Otsuchi Bay

Soundscape of river canal: the study for auditory resources in Kanazawa City

Characteristics of oceanic structure in the bifurcation region of the North Equatorial Current related to larval transport of the Japanese eel

A Study on forest conservation activity and consciousness of students in research program of Super Science High school

Actual conditions and the prospects of self-employed forest household of harvesting timber by “Rissyu Ki-no-Eki” project in Ena city, Gifu prefecture

Pathogenicity of endophytic Tubakia spp. to Quercus spp.

Study on the effect of forest carbon trading for reduction of the thinning cost

Study of creation of short educational video that is composed of natural environment and kanji, and its possibility of utilization during the classroom activities

Study on Carbon cycle in undergrounddam built in Ryukyu Limestone

Environmental and economical-based analysis of horse logging

A study on the actual condition and local resident awarness in National Mine Park of China-A case study in Baoshan National Mine Park in Hunan Province-

Influence of human activities on water quality of rivers in north-east Musashino plateau

Current status of the small-scale firewood utilization in Ina City, Nagano, Japan

Diachronic change of social networks on a collaborative conservation : A case study of community based scarlet macaw (Ara macao)conservation in Central Pacific Conservation Area in Costa Rica

Change in settlement and land use in provincial cities in relation to topographic conditions

The Environmental Changes since Last Interglacial Stage, based on the variations of the grain size distributions of MD179 cores, off Joetsu, Sea of Japan

Influence of habitat degradation on the distribution of the Japanese eel in Tone River

Present status and possible causes of the decline of Castanopsis trees in Chongqing, China

Study on project evaluation of hot spring power generation projects in Japan - A case comparison of three business of Beppu, Oita Prefecture –

2012

A historical study of farmland owned and used by urban residents remaining in peri-urban area of Seoul,Korea

Regeneration of dominant tree species in a temperate broadleaf forest of Bhutan Himalayas with special reference to grazing and fencing

Biogeography and Population Genetics of Deep-Sea Hydrothermal Vent Shrimps(Crustacea: Decapoda: Caridea: Alvinocarididae) in the Northwest Pacific

Development of monitoring systems for habitat use of red stingray

Studies on the emission sources of atmospherice methane in West Siberia

Evaluating the Swimming Ability of a Forelimbs-lost Loggerhead Turtle, Caretta caretta

A study concerning the restoration of the littoral vegetation in Lake Kasumigaura

Accumulation process of earthquake-induced turbid layer in a subduction zone – An example from the Nankai Trough off Kumano –

Influence of pine wilt damage on bark boring insects and their associated nematodes

Revision of the Japanese snipefish Macroramphosus sp. (Macroramphosidae)

Population fluctuation of the Pacific krill Euphausia pacifica off northeastern Honsyu, Japan

Studies on new method for detecting tributyltin using hepatic gene response in Oryzias latipes

Boron content and isotope of vent fluids from seafloor hydrothermal systems

Climate change influences on coral growth and skeletal compositions tested by a culture experiment of temperate species

Northward migrations of skipjack tuna (Katsuwonus pelamis) in the western North Pacific

Hedding some light on the Antarctic lake ecosystem via stable isotope ratio measurements -the light environment determines the photosynthetic activity of the lake bottom organisms –

“A study on the function of local festivals in suburban mountainous areas -A case study of Naguri village-”

Ecotoxicological  assessment of river water and facility’s wastewater using algae, daphnids and fish

Cannibalism as a survival strategy for red swamp crayfish(Procambarus clarkii)

Changes on coastal environment in Kamaishi Bay by the impact of Sanriku Tsunami, Mar. 11, 2011

Estimating detection probabilities and evaluating effects of covariants for finless porpoises

Discussion on the conditions of liquefaction sites caused in The 2011 off the Pacific coast of Tohoku Earthquake

Geomorphological Factors Affecting Speleothem Distribution in Abukuma Cave, Japan: A 3-D Laser Scanning Approach

Non-destructive observation of xylem embolism development in deciduous hardwood species under water stress

Chemistry of hot spring waters and their environmental impacts on the river water in Kinki and Shikoku area

Chemistry of natural acidic water in Kusatsu-Shirane volcanic

Ectomycorrhizal fungal communities associated with an ice age relict species Pinus pumila

Nitrogen cycling process of the transitional stage of bar vegetation

2011

Appliation of GOSAT TIR spectrum on detecting minor gases in the atmosphere

Reconstruction of submerged aquatic vegetation in Lake Shinji prior to the period of high economic growth

A study on the organic waste recycling system based on agro-activities by urban residents

Sallow subseafloor structure of hydrothermal deposits by acoustic survey:An example from the Izena Hole of the mid-Okinawa Trough

Effects of water temperature on hatch, growth and survival during egg and larval stages of Pacific bluefin tuna (Thunnus orientalis)

Growth-rate influences on coral climate proxies tested by a multiple colony culture experiment

Calcification responses of symbiont-bearing reef foraminifers to ocean acidification; Results from high-precision culture experiments

A record of Holocene lake-level change reconstructed from mineralogical analysis and acoustic profiling of the Balkhash Lake sediments, Central Asia

Reconstruction of marine environments around Todoroki River in Ishigaki Island using trace elements of coral skeletons (Porites sp.)

Environmental change at the Western Japan during the past 10,000 years and its effects on the human activity

Investigation on Arbuscular mycorrhizal fungal flora in endemic plants of Bonin (Ogasawara) islands

Development of the awareness scale of  alien plants for horticulture use

Stoichiometry of sinking particle degradation with the sediment trap sample decomposition experiment

Formation process and structure of Kumano Knoll #3 using 3-D seismic reflection survey

Habitat use of finless porpoises in nearshore waters

Adaptation of α Skeletal Muscle Actin of Deep-sea Liparid Fishes to Hydrostatic Pressure

Evolutionary History of the GABA Transporter Group Revealed by Marine Invertebrate GAT-1 Genes

Dynamics of Anthropogenic Pressure and Habitat Quality Assessment in a Mosaic Landscape Using Remote Sensing and GIS- A Case Study of Chitwan Valley, Nepal

Distributions and biogeochemical cycles of Pt in the western North Pacific and the marginal seas

A study on agro-activities practiced on vacant lots in residential suburbs

Classification and formation environment of glacial valleys inferred from morphometric analyses

Observations of polar stratospheric clouds over Antarctica using infrared sensor on board the satellite

Foraging behavior of streaked sheawaters during the breeding season

Tephrostratigraphy and depositional environmental changes since the late Pleistocene, based on the analysis of the Marine Cores off Joetsu, Japan

Effects of human activities on population viability of finless porpoises in the Inland Sea, Ariake Sound and Tachibana Bay, Japan

A study on the incorporation processes of agricultural land use in the planning of Kohoku New Town

Studies on population structure of Alviniconcha hessleri in the Mariana Trough

Behavior of chemical compounds in the neutralization process of acidic river water

Habitat and food preference of Tenebrionidae ground beetles dwelling in a volcanic desert of Mt. Fuji

2010

Relationship between development of xylem embolism and nematode distribution in pine wilt disease

Reconstruction of paleo-tsunami disasters: Evidence from radiometric dating of massive Porites coral boulders in Southern Ryukyu Islands

Mechanism of bed load transport in a steep channel ―A case study of rivers in Yakushima Island―

Detection of Sand Reservoir by Core-Log Integration in the Kumano Forearc Basin

A Study for Preserving Biodiversity in Hydrothermal Vent Fields in the Okinawa Trough~with a focus on Shinkaia crosnieri~

Foraging ecology of loggerhead sea turtles, Caretta caretta, migrated to Sanriku coast

Evaluation of Nelumbo nucifera bed effects on aquatic environment and review on Nelumbo nucifera bed with implications for management

Determination of nitrogen sources for scleractinian corals by compound-specific nitrogen isotope ratios of amino acids

An analysis of redevelopment of corporate welfare facilities and the transformation of urban greenery

Estimation of burning ratio of African biomass burning

Effects of Transformation of Warrior Residences into Agricultural Land in Early Meiji on Modern Tokyo

Distribution of heavy metals in bed sediment in the Ohori River basin, Chiba Prefecture

Impact assesment of environmental change on marine calcifiers using pteropods and corals

Contributions to natural environmental protection policy of the National Trust movement led by local goverment in Japan- case study of “Kanagawa Trust Midori Zaidan” in Kanagawa prefecture –

The amount of agricultural production by urban residents from agricultural gardens

Volumetric and morphological analyses of olfaction in deep-sea fish

Classification of behaviors of the captive stingray, Dasyatis akajei, using acceleration data-loggers

A study on the vertical migration of immature yellowfin tuna Thunnus albacares using archival tags

Developing novel methods for distribution survey of submerged aquatic vegetation with underwater ultrasonic systems

Fluctuations in the Japanese eel catch in relation to habitat destructions

Relationship between vegetation and previous utilization of forests around Konbukuro pond in Kashiwa city, Chiba prefecture

Validity of δ18O in otoliths of bluefin tuna as an indicator for ambient environment

Formation ages of glacial and periglacial landforms around Mt. Kiso-komagatake, Central Japanese Alps using cosmogenic 10Be and 26Al

A research for aerosol assimilation by lidar data

Structure and evolution of active faults with strike-slip in a forearc basin:An example of Enshu fault system in the eastern Nankai Trough

Studies on mapping with remote sensing for integrated coastal zone management: A case of Miyako bay area.

Impacts of eutrophication on high tropic level of ecosystem inTokyo Bay

Late Holocene environmental changes and fluvial landform development in the downstream basin of Ili River, Kazakhstan

The Biotic Resistance to Invasive Crayfish

Vocalization characteristics and surfacing behavior of free-ranging finless porpoises evaluated by passive acoustic monitoring together with visual observation

The amount of harvestable woody biomass from suburban satoyamas by local citizen groups

Studies on the behavior of a deep-water fish, the Splendid Alfonsino (Beryx splendens) using micro data loggers

Temporal and spatial distribution of fruit bodies and their genetic structure in wood rot fungi occurring on planted cherry trees

Influence of coastal macrophyte on fish habitation in Lake Teganuma

A study on the farmers’ consciousness about pre new agricultural comers for sustainability of producing area-Case study on “Sekijou pear”, at the Sekimoto area, in Chikusei city, Ibaraki prefecture-

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