Search Results - "Ide, Jun’ichiro"
-
1
Identification of Phosphorus Sources in a Watershed Using a Phosphate Oxygen Isoscape Approach
Published in Environmental science & technology (07-05-2019)“…Identifying nonpoint phosphorus (P) sources in a watershed is essential for addressing cultural eutrophication and for proposing best-management solutions. The…”
Get full text
Journal Article -
2
Factors characterizing phosphate oxygen isotope ratios in river water: an inter-watershed comparison approach
Published in Limnology (01-08-2020)“…We compared the oxygen isotope ratio of dissolved phosphate δ 18 O PO 4 in two rivers with different land-cover and geological features (Ado River and Yasu…”
Get full text
Journal Article -
3
Impact of N-Saturated Upland Forests on Downstream N Pollution in the Tatara River Basin, Japan
Published in Ecosystems (New York) (01-03-2012)“…This study evaluated whether nitrogen (N) saturated upland forests can degrade downstream water quality in the Tatara River Basin, northern Kyushu, western…”
Get full text
Journal Article -
4
Spatial variations in the molecular diversity of dissolved organic matter in water moving through a boreal forest in eastern Finland
Published in Scientific reports (10-02-2017)“…Dissolved organic matter (DOM) strongly affects water quality within boreal forest ecosystems. However, how the quality of DOM itself changes spatially is not…”
Get full text
Journal Article -
5
Trend analyses of the small and medium hydro power development after the FIT scheme introduced in Japan
Published in Energy reports (01-12-2020)“…In July 2012, the Feed-in Tariff (FIT) scheme for all renewable energy was introduced in Japan to promote renewable energy generation. Under the FIT scheme,…”
Get full text
Journal Article -
6
The Contribution of Coniferous Canopy to the Molecular Diversity of Dissolved Organic Matter in Rainfall
Published in Water (Basel) (01-01-2019)“…Rainwater interacts with tree canopies in forest ecosystems, which greatly influence its quality. However, little information is available regarding how tree…”
Get full text
Journal Article -
7
Differences in sap flux-based stand transpiration between upper and lower slope positions in a Japanese cypress plantation watershed
Published in Ecohydrology (01-09-2016)“…This study investigated the difference in stand transpiration (E) between upper (UP) and lower (LP) slope plots of a Japanese cypress (Chamaecyparis obtusa)…”
Get full text
Journal Article -
8
Impacts of Hydrological Changes on Nutrient Transport From Diffuse Sources in a Rural River Basin, Western Japan
Published in Journal of geophysical research. Biogeosciences (01-08-2019)“…Increased frequency of heavy rainfall caused by climate change may affect nutrient transport from forests and agricultural lands into downstream rivers…”
Get full text
Journal Article -
9
Determining storm sampling requirements for improving precision of annual load estimates of nutrients from a small forested watershed
Published in Environmental monitoring and assessment (01-08-2012)“…This study sought to determine the lowest number of storm events required for adequate estimation of annual nutrient loads from a forested watershed using the…”
Get full text
Journal Article -
10
Role of stormflow in reducing N retention in a suburban forested watershed, western Japan
Published in Journal of Geophysical Research. G. Biogeosciences (09-04-2010)“…To evaluate the role of stormflow in reducing N retention in forested watersheds, we investigated the inorganic N budget of a Japanese suburban forested…”
Get full text
Journal Article -
11
Effects of storm flow samplings on the evaluation of inorganic nitrogen and sulfate budgets in a small forested watershed
Published in Hydrological processes (28-02-2010)“…To investigate the effects of storm flow samplings on the evaluation of DIN and SO₄ ²⁻ budgets, we conducted storm flow samplings and discrete interval…”
Get full text
Journal Article -
12
A preliminary investigation of surface runoff and soil properties in a moso-bamboo (Phyllostachys pubescens) forest in western Japan
Published in Hydrological Research Letters (2010)“…To clarify plot-scale runoff characteristics in bamboo forests, soil properties and surface runoff were measured in a preliminary study of a forested hillslope…”
Get full text
Journal Article -
13
Effects of discharge level on the load of dissolved and particulate components of stream nitrogen and phosphorus from a small afforested watershed of Japanese cypress (Chamaecyparis obtusa)
Published in Journal of forest research (01-02-2007)“…The behavior of dissolved and particulate components of stream nitrogen (N) and phosphorus (P) were measured for 2 years in a small mountainous watershed…”
Get full text
Journal Article -
14
Vegetation Effects on Phosphorus Runoff from Headwater Catchments in a Cool-Temperate Region with Landslides, Northern Japan
Published in Forests (01-02-2024)“…Forest vegetation and soils in headwaters can control runoff and surface erosion. However, it remains unclear how vegetation affects nutrient exports from…”
Get full text
Journal Article -
15
Effects of clear-cutting on annual and seasonal runoff from a boreal forest catchment in eastern Finland
Published in Forest ecology and management (15-09-2013)“…•A paired-catchment method was applied to runoff from a boreal forest catchment.•Increases in annual runoff after clear-cutting apparently diminished with…”
Get full text
Journal Article -
16
Spatial and temporal patterns of root dynamics in a Bornean tropical rainforest monitored using the root scanner method
Published in Plant and soil (01-10-2019)“…Aims Root phenology patterns in tropical regions are poorly understood because limited data are available. Using the root scanner method, the aims of this…”
Get full text
Journal Article -
17
Assessing the Sustainable Development of Micro-Hydro Power Plants in an Isolated Traditional Village West Java, Indonesia
Published in Energies (Basel) (09-10-2021)“…The sustainable development of micro-hydropower (MHP) plants is a challenge for rural electrification in developing countries, especially in Indonesia, which…”
Get full text
Journal Article -
18
Soil pH and divalent cations after clear-cutting on a Japanese cypress plantation
Published in Journal of forest research (03-09-2022)“…Although Chamaecyparis obtusa reduces soil pH and cation levels, limited information is available regarding their alterations after clear-cutting. We examined…”
Get full text
Journal Article -
19
Estimation of nutrient input by a migratory bird, the Tundra Swan (Cygnus columbianus), to winter-flooded paddy fields
Published in Agriculture, ecosystems & environment (01-01-2015)“…•Tundra Swans used winter-flooded paddy fields and surrounding areas for overwintering.•Water quality was affected by Tundra Swan roosting and foraging…”
Get full text
Journal Article -
20
Effects of antecedent rain history on particulate phosphorus loss from a small forested watershed of Japanese cypress (Chamaecyparis obtusa)
Published in Journal of hydrology (Amsterdam) (15-05-2008)“…This study aimed to clarify the effects of antecedent rain history on particulate phosphorus (PP) loss in a small mountainous watershed covered primarily with…”
Get full text
Journal Article