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The problem of water scarcity and clean water in sub-Saharan Africa is a growing concern. This study aims to quantify the water quality on a temporal scale in the Doorndraai dam site in sub-Saharan Africa to design possible management options. Here, an integrated approach using both in-situ measurements of water quality parameters and remote...

The aim of this two-volume book series is to highlight some of the most pervasive sustainability challenges that Sub-Saharan Africa faces. The two volumes contain 20 chapters that illustrate very diverse sustainability challenges throughout the continent, adopting interdisciplinary and problem-oriented research approaches, and methods from the...

To classify Very-High-Resolution (VHR) imagery, Geographic Object Based Image Analysis (GEOBIA) is the most popular method used to produce high quality Land-Use/Land-Cover maps. A crucial step in GEOBIA is the appropriate parametrization of the segmentation algorithm prior to the classification. However, little effort has been made to automatically...

アジア太平洋地域の発展途上国で進んでいる森林減少の最大の要因は、違法かつ持続可能でない伐採である。違法伐採によって木材輸入国が安価な木材を大量に輸入できる一方で、輸出国の自然環境、森林の管理・経営（ガバナンス）、そして森林に依存して暮らしている人々の生活が犠牲になっている。木材輸入国においても発展途上国の適正な森林管理を促進する義務があることを認識して、現在多くの政府が合法で持続可能な木材の調達を支援する公共調達政策を導入している。これは、持続可能な開発を進める上で国際貿易を活用する極めて重要な一歩である。 本ポリシー・ブリーフは、日本、英国、オランダ及びフランスで実施されている木材公共調達政策を比較し、各国の手法の共通点と相違点を検証しながら...

This policy brief includes a comparative analysis between Japan's public timber procurement policy and those of several European countries. In addition to identifying a set of elements that public timber procurement policies must include to favour legal and sustainable timber, it provides recommendations for further strengthening Japan's policy on...

This report presents the results of IGES research on public timber procurement policy to date. It includes a comparative analysis between Japan’s policy and those of several European countries. In addition to providing recommendations for further strengthening Japan’s policy, the report identifies a generic set of elements that public timber...

木材の公共調達政策に関する研究成果をまとめた本書では、日欧における政策の比較分析を行い、日本が合法性や持続可能性を満たした木材の調達を優先させるための提言に加え、効果的な調達政策が兼ね備えるべき要素を包括的に示している。 Remarks: English version is available at: http://pub.iges.or.jp/modules/envirolib/view.php?docid=983 If you wish to receive a hardcopy of the report, please contact [email protected].

Biodiversity offset policy indication in Japan based on the experiences in Japan, the US, Australia and Europe