9177件中 21~30件 (日付順)
ワーキングペーパー
海洋プラスチック汚染の中でも漁業活動(漁業および養殖業を含む)に由来するものは放棄・遺棄・投棄された漁具(Abandoned, Lost, or Discarded Fishing Gear: ALDFG、またはゴーストギア)と呼ばれる。海洋に流出して日本の近海および沿岸域を汚染しているALDFGは、日本国内から発生したものに加え、多くは近隣諸国を含む他国から漂着したものである。このことから、ALDFG対策は日本のみでなくアジア諸国全体で取り組むことが重要であると考えられる。 そこで、本稿では、東アジア地域の中でも特に韓国と台湾を対象として実施した現地調査の結果をとりまとめ、日本との比較を通じて今後の日本の対策強化に向けた提言を抽出した。その結果、韓国および台湾においては...
テクニカルレポート
著者:
Takakura
Koji
Wangchuk
Sonam
Wangchuku
Tsheten
Fukahori
Takahiro
Dorji
Chhimi
Bhutan faces mounting pressure on its municipal solid waste (MSW) management systems. Its capital city, Thimphu, generates approximately 50 tonnes of MSW per day, of which roughly 30 tonnes per day is organic (wet) waste that is currently deposited at the Memelakha landfill — an ageing open-dumpsite already well beyond its intended lifespan. At the...
ブリーフィングノート
著者:
The Association of Southeast Asian Nations (ASEAN) has become one of the most important regions in the global climate debate because it combines rapid economic growth, rising energy demand, and high climate vulnerability. This regional context has become more urgent after the outcome of the first Global Stocktake (GST 1) adopted at CMA.5 in 2023...
査読付論文
Environment, Development and Sustainability所収
著者:
Dutta
Pranab
Deka
Sujit
Debnath
Jatan
Sahariah
Dhrubajyoti
Yehia Abouleish
Mohamed
Ali
Tarig
Chakrabortty
Rabin
Singh
Suraj Kumar
Kanga
Shruti
Meraj
Gowhar
Flood-dominated floodplains are undergoing rapid land-use and land-cover (LULC) change, with consequences for exposure, ecosystem condition, and local development planning. This study examines historical LULC change, transition intensity, trend-consistent land-use scenarios, and event-based flood exposure in Bongaigaon District, located in the...
査読付論文
Microplastics所収
著者:
Thanh
Nguyen Truong
Toan
Pham Van
Minh
Huynh Vuong Thu
Lavane
Kim
Vo Chau Ngan
Nguyen
Thi Kim Ngan
Le
Thanh Toan
Vo
Van Tuyen
Nguyen
Microplastic pollution in tropical urban rivers has become an increasing environmental concern due to rapid urbanization, inadequate waste management, and hydrological transport processes. This study investigated the occurrence, characteristics, and spatiotemporal distribution of microplastics in the Can Tho River, Vietnam, along an urban– peri...