{"query_echo":{"q":"","filters":{"analysis_type":["quantitative appraisal"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'quantitative appraisal' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":2,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=quantitative+appraisal","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"bc3res-000075","url":"https://climateinsightsdirectory.org/document/bc3res-000075","title":"Competing Ecosystem services: an Assessment of Carbon and Timber in the Tropical forests of Central America","publisher":{"name":"Basque Centre for Climate Change","organization":"basque-centre-for-climate-change"},"document_type":"policy brief","language":"en","date_published":"2011-01","source_url":"https://www.bc3research.org/h6T8Uy8Nm4gFs0O/20110114122749101110349.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The study compares the economic returns of carbon sequestration and timber harvesting in Central American tropical forests between 1990 and 2005. It finds that while timber generally offers higher face-value returns, the attractiveness of carbon-based conservation is highly dependent on carbon pricing and discount rates. The author argues that integrating co-benefits and sustainable forestry management can make carbon-focused options more competitive.","ai_generated":true,"unit":"bc3res-000075#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Carbon credits are not economically competitive with timber at a price of $3, but at $20 they become comparable to eucalyptus stumpage prices, though they remain too low to compete with teak.","ai_generated":true,"unit":"bc3res-000075#insight-1","date_modified":"2026-10-23"},{"text":"The Net Present Value (NPV) and Present Value (PV) of both carbon and timber are strongly affected by discount rates; lower rates prioritize future benefits, while higher rates prioritize immediate development needs of poorer nations.","ai_generated":true,"unit":"bc3res-000075#insight-2","date_modified":"2026-10-23"},{"text":"While timber appears as the superior land use option on face value, the carbon option becomes more attractive when accounting for multiple revenue sources, including indirect environmental and social benefits and non-timber forest products.","ai_generated":true,"unit":"bc3res-000075#insight-3","date_modified":"2026-10-23"},{"text":"The economic viability of REDD/REDD+ options would increase if co-benefits, such as revenues from sustainable timber extraction under Sustainable Forestry Management (SFM), are included.","ai_generated":true,"unit":"bc3res-000075#insight-4","date_modified":"2026-10-23"}],"climate_tags":["carbon sequestration","Reducing emissions from deforestation and forest degradation","ecosystem service","deforestation","carbon price"],"geography_discussed":["Belize","Costa Rica","El Salvador","Guatemala","Honduras","Nicaragua","Panama"],"frame_perspective":[],"analysis_type":["quantitative appraisal","economic valuation"]},{"id":"bc3res-000069","url":"https://climateinsightsdirectory.org/document/bc3res-000069","title":"Competing Ecosystem Services: an Assessment of Carbon and Timber in the Tropical Forests of Central America","publisher":{"name":"Basque Centre for Climate Change","organization":"basque-centre-for-climate-change"},"document_type":"research paper","language":"en","date_published":"2010-10","source_url":"https://www.bc3research.org/h6T8Uy8Nm4gFs0O/20101007113508896541617.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The research paper evaluates the trade-offs between carbon storage and timber extraction in Central American tropical forests using Net Present Value (NPV) analysis. It finds that while timber is more profitable on a face-value basis, the attractiveness of forest conservation is highly dependent on carbon pricing and discount rates. The author argues that incorporating co-benefits and sustainable forestry management is essential for making conservation economically competitive with timber harvesting.","ai_generated":true,"unit":"bc3res-000069#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Timber extraction is generally the more profitable land-use option on a face-value basis compared to carbon sequestration, although the author notes that determining true costs from stumpage to log is difficult.","ai_generated":true,"unit":"bc3res-000069#insight-1","date_modified":"2026-10-23"},{"text":"The economic incentive to conserve tropical forests is heavily dependent on the price of carbon; at a mode value of $3 per tonne, the NPV of conservation is lower than timber use, but at $20 per tonne, it becomes comparable to eucalyptus stumpage prices, though it remains too low to compete with teak.","ai_generated":true,"unit":"bc3res-000069#insight-2","date_modified":"2026-10-23"},{"text":"Discount rates significantly impact the Net Present Value (NPV) and Present Value (PV) of both carbon and timber, with lower rates favoring future value and intergenerational equity, while higher rates—common in developing countries—prioritize present returns.","ai_generated":true,"unit":"bc3res-000069#insight-3","date_modified":"2026-10-23"},{"text":"The financial viability of REDD/REDD+ options would increase if co-benefits, such as sustainable timber extraction under Sustainable Forestry Management (SFM), watershed protection, and soil erosion control, were included in the economic valuation.","ai_generated":true,"unit":"bc3res-000069#insight-4","date_modified":"2026-10-23"},{"text":"Among the timber species analyzed, teak is more profitable per hectare than eucalyptus.","ai_generated":true,"unit":"bc3res-000069#insight-5","date_modified":"2026-10-23"}],"climate_tags":["carbon sequestration","Reducing emissions from deforestation and forest degradation","ecosystem service","land-use change","deforestation","carbon price","climate finance"],"geography_discussed":["Belize","Costa Rica","El Salvador","Guatemala","Honduras","Nicaragua","Panama"],"frame_perspective":[],"analysis_type":["economic assessment","comparative analysis","quantitative appraisal"]}]}