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Carbon Balance and Management

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https://www.readbyqxmd.com/read/30218413/multiscale-divergence-between-landsat-and-lidar-based-biomass-mapping-is-related-to-regional-variation-in-canopy-cover-and-composition
#1
David M Bell, Matthew J Gregory, Van Kane, Jonathan Kane, Robert E Kennedy, Heather M Roberts, Zhiqiang Yang
BACKGROUND: Satellite-based aboveground forest biomass maps commonly form the basis of forest biomass and carbon stock mapping and monitoring, but biomass maps likely vary in performance by region and as a function of spatial scale of aggregation. Assessing such variability is not possible with spatially-sparse vegetation plot networks. In the current study, our objective was to determine whether high-resolution lidar-based and moderate-resolution Landsat-base aboveground live forest biomass maps converged on similar predictions at stand- to landscape-levels (10 s to 100 s ha) and whether such differences depended on biophysical setting...
September 14, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/30191432/the-effects-of-land-cover-change-on-carbon-stock-dynamics-in-a-dry-afromontane-forest-in-northern-ethiopia
#2
Negasi Solomon, Opoku Pabi, Ted Annang, Isaac K Asante, Emiru Birhane
BACKGROUND: Forests play an important role in mitigating global climate change by capturing and sequestering atmospheric carbon. Quantitative estimation of the temporal and spatial pattern of carbon storage in forest ecosystems is critical for formulating forest management policies to combat climate change. This study explored the effects of land cover change on carbon stock dynamics in the Wujig Mahgo Waren forest, a dry Afromontane forest that covers an area of 17,000 ha in northern Ethiopia...
September 6, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/30187146/climate-change-mitigation-in-canada-s-forest-sector-a-spatially-explicit-case-study-for-two-regions
#3
C E Smyth, B P Smiley, M Magnan, R Birdsey, A J Dugan, M Olguin, V S Mascorro, W A Kurz
BACKGROUND: We determine the potential of forests and the forest sector to mitigate greenhouse gas (GHG) emissions by changes in management practices and wood use for two regions within Canada's managed forest from 2018 to 2050. Our modeling frameworks include the Carbon Budget Model of the Canadian Forest Sector, a framework for harvested wood products that estimates emissions based on product half-life decay times, and an account of marginal emission substitution benefits from the changes in use of wood products and bioenergy...
September 6, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/30182168/a-systems-approach-to-assess-climate-change-mitigation-options-in-landscapes-of-the-united-states-forest-sector
#4
Alexa J Dugan, Richard Birdsey, Vanessa S Mascorro, Michael Magnan, Carolyn E Smyth, Marcela Olguin, Werner A Kurz
BACKGROUND: United States forests can contribute to national strategies for greenhouse gas reductions. The objective of this work was to evaluate forest sector climate change mitigation scenarios from 2018 to 2050 by applying a systems-based approach that accounts for net emissions across four interdependent components: (1) forest ecosystem, (2) land-use change, (3) harvested wood products, and (4) substitution benefits from using wood products and bioenergy. We assessed a range of land management and harvested wood product scenarios for two case studies in the U...
September 4, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/30182155/contribution-of-forest-wood-products-to-negative-emissions-historical-comparative-analysis-from-1960-to-2015-in-norway-sweden-and-finland
#5
Cristina-Maria Iordan, Xiangping Hu, Anders Arvesen, Pekka Kauppi, Francesco Cherubini
BACKGROUND: Forests and forest products can significantly contribute to climate change mitigation by stabilizing and even potentially decreasing the concentration of carbon dioxide (CO2 ) in the atmosphere. Harvested wood products (HWP) represent a common widespread and cost-efficient opportunity for negative emissions. After harvest, a significant fraction of the wood remains stored in HWPs for a period that can vary from some months to many decades, whereas atmospheric carbon (C) is immediately sequestered by vegetation re-growth...
September 4, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/29943069/estimating-urban-above-ground-biomass-with-multi-scale-lidar
#6
Phil Wilkes, Mathias Disney, Matheus Boni Vicari, Kim Calders, Andrew Burt
BACKGROUND: Urban trees have long been valued for providing ecosystem services (mitigation of the "heat island" effect, suppression of air pollution, etc.); more recently the potential of urban forests to store significant above ground biomass (AGB) has also be recognised. However, urban areas pose particular challenges when assessing AGB due to plasticity of tree form, high species diversity as well as heterogeneous and complex land cover. Remote sensing, in particular light detection and ranging (LiDAR), provide a unique opportunity to assess urban AGB by directly measuring tree structure...
June 26, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/29845384/delineating-managed-land-for-reporting-national-greenhouse-gas-emissions-and-removals-to-the-united-nations-framework-convention-on-climate-change
#7
REVIEW
Stephen M Ogle, Grant Domke, Werner A Kurz, Marcelo T Rocha, Ted Huffman, Amy Swan, James E Smith, Christopher Woodall, Thelma Krug
Land use and management activities have a substantial impact on carbon stocks and associated greenhouse gas emissions and removals. However, it is challenging to discriminate between anthropogenic and non-anthropogenic sources and sinks from land. To address this problem, the Intergovernmental Panel on Climate Change developed a managed land proxy to determine which lands are contributing anthropogenic greenhouse gas emissions and removals. Governments report all emissions and removals from managed land to the United Nations Framework Convention on Climate Change based on this proxy, and policy interventions to reduce emissions from land use are expected to focus on managed lands...
May 29, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/29774443/science-based-approach-for-credible-accounting-of-mitigation-in-managed-forests
#8
Giacomo Grassi, Roberto Pilli, Jo House, Sandro Federici, Werner A Kurz
BACKGROUND: The credibility and effectiveness of country climate targets under the Paris Agreement requires that, in all greenhouse gas (GHG) sectors, the accounted mitigation outcomes reflect genuine deviations from the type and magnitude of activities generating emissions in the base year or baseline. This is challenging for the forestry sector, as the future net emissions can change irrespective of actual management activities, because of age-related stand dynamics resulting from past management and natural disturbances...
May 17, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/29766371/landsat-phenological-metrics-and-their-relation-to-aboveground-carbon-in-the-brazilian-savanna
#9
M Schwieder, P J Leitão, J R R Pinto, A M C Teixeira, F Pedroni, M Sanchez, M M Bustamante, P Hostert
BACKGROUND: The quantification and spatially explicit mapping of carbon stocks in terrestrial ecosystems is important to better understand the global carbon cycle and to monitor and report change processes, especially in the context of international policy mechanisms such as REDD+ or the implementation of Nationally Determined Contributions (NDCs) and the UN Sustainable Development Goals (SDGs). Especially in heterogeneous ecosystems, such as Savannas, accurate carbon quantifications are still lacking, where highly variable vegetation densities occur and a strong seasonality hinders consistent data acquisition...
May 15, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/29679173/potential-carbon-loss-associated-with-post-settlement-wetland-conversion-in-southern-ontario-canada
#10
Eunji Byun, Sarah A Finkelstein, Sharon A Cowling, Pascal Badiou
BACKGROUND: Natural wetlands can mitigate ongoing increases in atmospheric carbon by storing any net balance of organic carbon (peat) between plant production (carbon uptake) and microbial decomposition (carbon release). Efforts are ongoing to quantify peat carbon stored in global wetlands, with considerable focus given to boreal/subarctic peatlands and tropical peat swamps. Many wetlands in temperate latitudes have been transformed to anthropogenic landscapes, making it difficult to investigate their natural/historic carbon balance...
April 20, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/29468474/estimation-of-forest-aboveground-biomass-and-uncertainties-by-integration-of-field-measurements-airborne-lidar-and-sar-and-optical-satellite-data-in-mexico
#11
Mikhail Urbazaev, Christian Thiel, Felix Cremer, Ralph Dubayah, Mirco Migliavacca, Markus Reichstein, Christiane Schmullius
BACKGROUND: Information on the spatial distribution of aboveground biomass (AGB) over large areas is needed for understanding and managing processes involved in the carbon cycle and supporting international policies for climate change mitigation and adaption. Furthermore, these products provide important baseline data for the development of sustainable management strategies to local stakeholders. The use of remote sensing data can provide spatially explicit information of AGB from local to global scales...
February 21, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/29435766/assessment-of-soil-organic-carbon-fractions-and-carbon-management-index-under-different-land-use-types-in-olesharo-catchment-narok-county-kenya
#12
Bernice M Sainepo, Charles K Gachene, Anne Karuma
BACKGROUND: The changes in land use and land cover have a strong effect on the total soil organic carbon, its fractions and its overall soil health. This study carried out in Olesharo Catchment, Kenya, was to quantify the differences in total organic carbon (TOC), particulate organic carbon (POC), mineral organic carbon (MOC) and carbon management index (CMI) among four land use types: grasslands, shrublands, agricultural lands and barelands. It was also purported to evaluate the use of CMI as an indicator for soil degradation or improvement in response to land use and land cover changes...
February 12, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/29417248/recycling-of-phenolic-compounds-in-borneo-s-tropical-peat-swamp-forests
#13
Catherine M Yule, Yau Yan Lim, Tse Yuen Lim
BACKGROUND: Tropical peat swamp forests (TPSF) are globally significant carbon stores, sequestering carbon mainly as phenolic polymers and phenolic compounds (particularly as lignin and its derivatives) in peat layers, in plants, and in the acidic blackwaters. Previous studies show that TPSF plants have particularly high levels of phenolic compounds which inhibit the decomposition of organic matter and thus promote peat accumulation. The studies of phenolic compounds are thus crucial to further understand how TPSF function with respect to carbon sequestration...
February 7, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/29330602/ecosystem-carbon-emissions-from-2015-forest-fires-in-interior-alaska
#14
Christopher Potter
BACKGROUND: In the summer of 2015, hundreds of wildfires burned across the state of Alaska, and consumed more than 1.6 million ha of boreal forest and wetlands in the Yukon-Koyukuk region. Mapping of 113 large wildfires using Landsat satellite images from before and after 2015 indicated that nearly 60% of this area was burned at moderate-to-high severity levels. Field measurements near the town of Tanana on the Yukon River were carried out in July of 2017 in both unburned and 2015 burned forested areas (nearly adjacent to one-another) to visually verify locations of different Landsat burn severity classes (low, moderate, or high; LBS, MBS, HBS)...
January 8, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/29330699/accounting-of-ghg-emissions-and-removals-from-forest-management-a-long-road-from-kyoto-to-paris
#15
REVIEW
Joachim H A Krug
BACKGROUND: Forests have always played an important role in agreeing on accounting rules during the past two decades of international climate policy development. Starting from activity-based gross-net accounting of selected forestry activities to mandatory accounting against a baseline-rules have changed quite rapidly and with significant consequences for accounted credits and debits. Such changes have direct consequences on incentives for climate-investments in forestry. There have also been strong arguments not to include forests into the accounting system by considering large uncertainties, procedural challenges and a fear of unearned credits corrupting the overall accounting system, among others...
January 3, 2018: Carbon Balance and Management
https://www.readbyqxmd.com/read/29218472/correction-to-quantifying-and-understanding-carbon-storage-and-sequestration-within-the-eastern-arc-mountains-of-tanzania-a-tropical-biodiversity-hotspot
#16
Simon Willcock, Oliver L Phillips, Philip J Platts, Andrew Balmford, Neil D Burgess, Jon C Lovett, Antje Ahrends, Julian Bayliss, Nike Doggart, Kathryn Doody, Eibleis Fanning, Jonathan M H Green, Jaclyn Hall, Kim L Howell, Rob Marchant, Andrew R Marshall, Boniface Mbilinyi, Pantaleon K T Munishi, Nisha Owen, Ruth D Swetnam, Elmer J Topp-Jorgensen, Simon L Lewis
Upon publication of the original article [1], the authors noticed that the figure labelling for Fig. 4 in the online version was processed wrong. The top left panel should be panel a, with the panels to its right being b and c. d and e should be the panels on the lower row, and f is correct. The graphs themselves are all correct. It is simply the letter labels that are wrong.
December 7, 2017: Carbon Balance and Management
https://www.readbyqxmd.com/read/29196960/synergizing-community-based-forest-monitoring-with-remote-sensing-a-path-to-an-effective-redd-mrv-system
#17
M S R Murthy, Hammad Gilani, Bhaskar Singh Karky, Eklabya Sharma, Marieke Sandker, Upama Ashish Koju, Shiva Khanal, Mohan Poudel
BACKGROUND: The reliable monitoring, reporting and verification (MRV) of carbon emissions and removals from the forest sector is an important part of the efforts on reducing emissions from deforestation and forest degradation (REDD+). Forest-dependent local communities are engaged to contribute to MRV through community-based monitoring systems. The efficiency of such monitoring systems could be improved through the rational integration of the studies at permanent plots with the geospatial technologies...
December 1, 2017: Carbon Balance and Management
https://www.readbyqxmd.com/read/28707260/historical-effects-of-dissolved-organic-carbon-export-and-land-management-decisions-on-the-watershed-scale-forest-carbon-budget-of-a-coastal-british-columbia-douglas-fir-dominated-landscape
#18
B P Smiley, J A Trofymow
BACKGROUND: To address how natural disturbance, forest harvest, and deforestation from reservoir creation affect landscape-level carbon (C) budgets, a retrospective C budget for the 8500 ha Sooke Lake Watershed (SLW) from 1911 to 2012 was developed using historical spatial inventory and disturbance data. To simulate forest C dynamics, data was input into a spatially-explicit version of the Carbon Budget Model-Canadian Forest Sector (CBM-CFS3). Transfers of terrestrial C to inland aquatic environments need to be considered to better capture the watershed scale C balance...
December 2017: Carbon Balance and Management
https://www.readbyqxmd.com/read/28667472/erratum-to-combined-effect-of-pulse-density-and-grid-cell-size-on-predicting-and-mapping-aboveground-carbon-in-fast-growing-eucalyptus-forest-plantation-using-airborne-lidar-data
#19
Carlos Alberto Silva, Andrew Thomas Hudak, Carine Klauberg, Lee Alexandre Vierling, Carlos Gonzalez-Benecke, Samuel de Padua Chaves Carvalho, Luiz Carlos Estraviz Rodriguez, Adrián Cardil
No abstract text is available yet for this article.
December 2017: Carbon Balance and Management
https://www.readbyqxmd.com/read/28593558/combined-effect-of-pulse-density-and-grid-cell-size-on-predicting-and-mapping-aboveground-carbon-in-fast-growing-eucalyptus-forest-plantation-using-airborne-lidar-data
#20
Carlos Alberto Silva, Andrew Thomas Hudak, Carine Klauberg, Lee Alexandre Vierling, Carlos Gonzalez-Benecke, Samuel de Padua Chaves Carvalho, Luiz Carlos Estraviz Rodriguez, Adrián Cardil
BACKGROUND: LiDAR remote sensing is a rapidly evolving technology for quantifying a variety of forest attributes, including aboveground carbon (AGC). Pulse density influences the acquisition cost of LiDAR, and grid cell size influences AGC prediction using plot-based methods; however, little work has evaluated the effects of LiDAR pulse density and cell size for predicting and mapping AGC in fast-growing Eucalyptus forest plantations. The aim of this study was to evaluate the effect of LiDAR pulse density and grid cell size on AGC prediction accuracy at plot and stand-levels using airborne LiDAR and field data...
December 2017: Carbon Balance and Management
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