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ArticleForest monitoring: issues and good practices in sample-based area estimation
XV World Forestry Congress, 2-6 May 2022
2022Also available in:
No results found.REDD+ and greenhouse gas reporting for the agriculture, forestry and other land use (AFOLU) sector requires land use changes to be characterized to estimate the associated greenhouse gas emissions or absorptions. It is becoming increasingly common for countries to track these changes using visually interpreted, sample-based approaches. Known as sample-based area estimation, the technique has been widely used in recent years in the generation of activity data for REDD+ Monitoring Reporting and Verification (MRV). However, implementing countries and agencies have repeatedly highlighted the lack of guidance on certain frequently encountered issues with this approach. This paper responds to this need for guidance by trying to address the most urgent technical issues faced by countries relating to sample based area estimation. Among others, it tackles issues such as how to best monitor beyond deforestation or for multiple purposes, how to account for variability between interpreters looking at the same satellite image, what type of sample unit to use and how many measurements are needed per sample unit. Existing good practices are consolidated, and new good practices are proposed as solutions where appropriate. The paper also indicates areas of future research, which should be pursued to answer the remaining questions surrounding area estimation. This paper will enable donors, academia, and countries that currently use or that want to use sample based area estimation for generating activity data for REDD+ or for other purposes. This paper is conceived to gain an overview of the most pressing research needs in the area and to delve into current good practice and existing literature. It will give non-experts an overview of area estimation, its applications and limitations. Keywords: area estimation, REDD+, statistics, remote sensing, forest monitoring ID: 3481211 -
Book (series)Manual on sample-based data collection for fisheries assessment. Examples from Viet Nam. 2000
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No results found.This manual deals with the practical implementation of a routine data collection programme. The data collection programme is developed through a top-down approach, from the identification of the objectives down to the practical recording and management of data obtained from the fishery. The issues are dealt with both through detailed discussion and by using simple examples. The examples are mostly based on situations in tropical fisheries, and in particular, experience has been drawn from develo ping a data collection programme in Viet Nam. The main questions addressed in the manual are which fisheries data to collect, where and when to collect them. Only data collected from commercial marine capture fisheries are considered (data from freshwater fisheries, cultured fish and experimental fishery are excluded). The methodologies used are mainly appropriate for a tropical, developing country, with many small (artisanal) vessels and a few large (industrial) vessels. The methodology is the “sample-based approach” - the manual does not deal with a methodology which assumes complete enumeration. The data collection methodology presented attempts to utilize whatever information can be obtained in practice in a developing country. Processing and storing of data (fisheries databases) and staff training are partly covered. -
Policy briefCarbon rights in the context of jurisdictional REDD+: Tenure links and country-based legal solutions
Information brief
2022Also available in:
No results found.This info-brief summarized key findings and presents case studies related to the status quo of REDD+ countries’ legislation and existing arrangements related to carbon rights, in light of relevant international schemes and standards. So far, claims to participate in REDD+ are often based on the concept of ‘carbon rights’ or `emissions reductions title´, and clear and “uncontested” entitlement to REDD+ results is often a condition for accessing Result-based-Payments (RBPs). However, as there is no one internationally adopted definition of carbon rights or ERs title, emphasis is made on the requirements established by international standards/schemes for REDD+ countries to progress in legislating on the matter. The brief also identifies challenges as countries are progressing in finding legal solutions to clarify carbon and benefit rights, summarizing preliminary key findings and case studies that will be included in the UN-REDD global study on carbon rights which will be finalized in May 2022 (ready for review). In general terms, legislation only rarely directly regulates emission reduction titling or entitlements to REDD+ benefits. In these cases, forest tenure and ownership of forest resources often provides a basis to understand also who owns carbon stored in forests and who can claim REDD+ benefits. Overall, more clarity surrounding emission reduction rights is often still needed, as a more stable enabling environment that affords legal protection to contracting parties would stimulate investments in REDD+, and protect vulnerable groups. Legal solutions will often go hand-in-hand with discussion on benefit sharing, and on necessary infrastructure such as registries for mitigation actions – or for transferring carbon credits.
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