Search Results - "Itsukushima, Rei"

Structural characteristics of pools in headstream areas by Itsukushima, Rei

“…•The pool spacing in the headstream area is larger than that in the low-gradient area.•The stream bed morphology depends on the flow conditions rather than the…”
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Study of aquatic ecological regions using fish fauna and geographic archipelago factors by Itsukushima, Rei

“…•The Japanese archipelago was classified into 15 groups using fish fauna classification.•Classification results were closely related to the process of…”
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Effects of Ocean Currents and Watershed Factors on the Fish Fauna of River Estuaries of a Peninsular Bordering Biogeographic Zone by Itsukushima, Rei, Kano, Yuichi

“…This study investigated the fish fauna diversity of the Shimokita and Tsugaru peninsulas in the northernmost part of the main island of Japan. Since ocean…”
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Characteristics of streambed morphology at reach and unit scales in a sandstone-dominated headstream area of the Kantō Range by Itsukushima, Rei

“…Headstream areas, which are located in the uppermost reaches of mountain streams, are important sections for investigating the geomorphology of stream channels…”
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A century of stream burial due to urbanization in the Tokyo Metropolitan Area by Itsukushima, Rei, Ohtsuki, Kazuaki

“…The alteration of hydrologic systems due to urbanization causes many problems including urban flood inundation, water quality degradation, and stream ecosystem…”
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Learning from the past: common sense, traditional wisdom, and technology for flood risk reduction developed in Japan by Itsukushima, Rei, Ohtsuki, Kazuaki, Sato, Tatsuro

“…Floods cause severe damage in terms of human and economic loss on a global scale. Moreover, the risk of flooding is increasing owing to a hydrological cycle…”
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Characteristics and Controlling Factors of the Drought Runoff Coefficient by Itsukushima, Rei

“…Increasing water demand due to population growth, economic development, and changes in rainfall patterns due to climate change are likely to alter the duration…”
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Countermeasures against floods that exceed design levels based on topographical and historical analyses of the September 2015 Kinu River flooding by Itsukushima, Rei

“…•Many of past flood-management systems are not functioning completely.•Identification of potential flooding area is necessary as countermeasure against…”
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Fundamental study on the effects of the keystone height and structure on sediment deposition in a high‐gradient channel by Itsukushima, Rei, Masago, Yuki

“…Step–pool structures are among the most important structures in riverbed morphology that can contribute to the stabilization of riverbeds and riverbanks,…”
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Spur Dike Applications for the Sustainability of Channels in Incised Steep Bend Streams by Ohtsuki, Kazuaki, Kono, Takanori, Arikawa, Takashi, Taniwaki, Hisashi, Itsukushima, Rei

“…Japan’s rivers are shaped by distinctive topography and abundant rainfall, and they face flooding and sediment supply escalation concerns under climate change…”
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Relationship between physical environmental factors and presence of molluscan species in medium and small river estuaries by Itsukushima, Rei, Yoshikawa, Hiroaki, Morita, Kai

“…River estuaries are critical aquatic environments characterized by large environmental gradients in their water quality, riverbed material, and microtopography…”
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Database of fish fauna in a highly urbanised river (Tsurumi River Basin, Kanagawa, Japan) by Itsukushima, Rei, Maruoka, Keisuke

“…Urbanisation has facilitated changes in the hydrological cycle, sediment dynamics and habitat loss and it has had a tremendous impact on river ecosystems…”
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Database of summer fish fauna sampled in river estuaries in the southern part of the Boso Peninsula, Japan by Itsukushima, Rei, Kano, Yuichi

“…River estuaries provide various ecosystem services, such as nutrient circulation, climate change mitigation, habitats and coastal defence. Information on the…”
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Feasibility of Traditional Open Levee System for River Flood Mitigation in Japan by Ohtsuki, Kazuaki, Itsukushima, Rei, Sato, Tatsuro

“…An open levee system is a traditional flood mitigation system for reducing the expansion of inland flooding and decreasing the peak flow. However, there have…”
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A dataset of molluscan fauna sampled in river estuaries of medium and small size river in Kyushu island, Japan by Itsukushima, Rei, Yoshikawa, Hiroaki, Morita, Kai

“…Many studies have evaluated the ecological integrity of large-scale estuaries of continental rivers using biotic indicators such as fish, phytoplankton and…”
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The Use of Molluscan Fauna as Model Taxon for the Ecological Classification of River Estuaries by Itsukushima, Rei, Morita, Kai, Shimatani, Yukihiro

“…River estuaries are important aquatic environments characterized by large environmental gradients in their water quality, riverbed material, and…”
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Effects of Sediment Released from a Check Dam on Sediment Deposits and Fish and Macroinvertebrate Communities in a Small Stream by Itsukushima, Rei, Ohtsuki, Kazuaki, Sato, Tatsuro, Kano, Yuichi, Takata, Hiroshi, Yoshikawa, Hiroaki

“…Dam removal is typically intended for river restoration or as a countermeasure for aging dams. The influence of dam removal has mainly been studied in large…”
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Longitudinal distribution of fish fauna and characteristics of indicator species in the East Seto Inland Ecological Region within the Japanese Archipelago by Itsukushima, Rei

“…Understanding biota distribution patterns is essential for ecosystem conservation and restoration. In addition to biogeography, the distribution patterns of…”
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Fish fauna and environmental factors in river estuaries of small and medium‐sized rivers on islands significantly influenced by warm currents by Itsukushima, Rei, Kano, Yuichi

“…River estuaries are influenced by terrestrial and marine areas, and have a unique environment that is constantly fluctuating. They are also important habitats…”
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The effectiveness of delineating ecoregions in the Kyushu region of Japan to establish environmental indicators by Itsukushima, Rei, Shimatani, Yukihiro, Kawaguchi, Yôichi

“…Throughout Japan, numerous restoration projects and efforts to conserve the river environment are underway. However, in spite of such efforts, effective…”
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