Reefs at Risk Revisited is a high-resolution update of the original global analysis, Reefs at Risk: A Map-Based Indicator of Threats to the World’s Coral Reefs. Reefs at Risk Revisited uses a global map of coral reefs at 500-m resolution, which is 64 times more detailed than the 4-km resolution map used in the 1998 analysis, and benefits from improvements in many global data sets used to evaluate threats to reefs (most threat data are at 1 km resolution, which is 16 times more detailed than those used in the 1998 analysis).
This document is a review of the status, trends and threats to Tonga’s unique biodiversity since the inception of its own NBSAP in 2006. The review also covers the status of the implementation of objectives and action plans, sectors and cross sector collaboration.
Final draft document of the national water and coastal management plan for Vavau
This is part of the "Preparation of Diagnostic Study to Inform an Integrated Coastal Management Plan for Tongatapu, Tonga" - this document represents Deliverable 3 : Coastal Characteristics and Issues Report
This vulnerability assessment provides evidence for the Government of Tonga and the people of Lifuka Island to make informed decisions about adapting to coastal erosion and sea-level rise. This project also aimed to be a blueprint for other low-lying nations considering adaptation options.
The objectives of this study were as follows:
1. Resurvey and delineation of the sand resource of eight beaches on Tongatapu
2. Evaluation of the extent of recent coastal changes on Tongatapu including changes effected by cyclones and other natural events, beach sand extraction, and interaction between the two.
3. Investigation of the rate of sand production and implications for the sustainability of beach mining.
This report is mainly focused on a research to find out the importance of Integrated Coastal Management to the coastline of Tongatapu. It aims to notify the changes of coastal areas and to what extent; identify these changes cause issues on the sustainability of the coastline in terms of social, economic and environmentally; and to evaluate the procedures of coastal monitoring and resource management in Tonga.
A presentation on the challenges and opportunities of groundwater governance in Tonga by the Ministry of Lands and Natural Resources at the Groundwater Governance: A Global Framework for Action Regional Consultation for Asia and the Pacific Region that was held in China.
This National Water, Sanitation and Climate Outlook is a document that can be used to inform
This report is seen as a vehicle for catalyzing common knowledge and understanding among government, donors, NGOs, and communities on rainwater harvesting in the outer island regions of Tonga.
This report from 1992 (one of a series of reports from the Tonga Water Supply Master Plan Study) presents the findings of a recent water resources study of the islands in the Kingdom of Tonga. It summarises previous work, documents recent and current investigations and recommends further investigations to gain a better understanding of the water resources. It also outlines details of a proposed national monitoring and protection programme and makes recommendations about legislation for water resource management and protection.
Different reports on freshwater supply, groundwater pertaining to Lifuka of Ha'apai, Tonga.
This review was in preparation for Tonga's 4th national report to the CBD (Convention on Biological Diversity)
Official DKAN data portal user manual.