SWAMP Dataset-Mangrove biomass vegetation-Rufiji River Delta-2016

Version 1.3

Trettin, C.; Dai, Z.; Mangora, M.; Lagomasino, D.; Lee, S.K.; Tang, W.; Fatoyinbo, T., 2020, "SWAMP Dataset-Mangrove biomass vegetation-Rufiji River Delta-2016", https://doi.org/10.17528/CIFOR/DATA.00219, Center for International Forestry Research (CIFOR), V1, UNF:6:aeysrvHQ+PbUy/FkShZmsQ== [fileUNF]

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Description	An objective inventory of mangrove carbon stocks within the Rufiji River delta was conducted in 2016. These files provide the basis for calculating the forest structure and biomass, and carbon biomass carbon stocks. (2020-01-07)
Keyword	productivity, emission reduction, mangroves, ecological restoration, mitigation, climate change, tropics, carbon stocks, Rufiji River Delta, Tanzania
Subject	Climate Change, Energy and low carbon development (CCE); Forest Management & Restoration (FMR); Earth and Environmental Sciences

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Citation Metadata

Dataset Persistent ID	doi:10.17528/CIFOR/DATA.00219
Publication Date	2020-01-14
Title	SWAMP Dataset-Mangrove biomass vegetation-Rufiji River Delta-2016
Author	Trettin, C. (U.S. Forest Service) Dai, Z. (Michigan Technological University) Mangora, M. (University of Dar es Salaam) Lagomasino, D. (Eastern Carolina University) Lee, S.K. Tang, W. (University of North Carolina - Charlotte) Fatoyinbo, T. (National Aeronautics and Space Administration)
Contact	Use email button above to contact. Trettin, C. (USDA Forest Service)
Description	An objective inventory of mangrove carbon stocks within the Rufiji River delta was conducted in 2016. These files provide the basis for calculating the forest structure and biomass, and carbon biomass carbon stocks. (2020-01-07)
Subject	Climate Change, Energy and low carbon development (CCE); Forest Management & Restoration (FMR); Earth and Environmental Sciences
Keyword	productivity (GACS) http://aims.fao.org/aos/agrovoc/c_6210 emission reduction (GACS) http://aims.fao.org/aos/agrovoc/c_331597 mangroves (GACS) http://aims.fao.org/aos/agrovoc/c_16190 ecological restoration (GACS) http://browser.agrisemantics.org/gacs/en/page/C11532 mitigation (GACS) http://id.agrisemantics.org/gacs/C3154 climate change (GACS) http://id.agrisemantics.org/gacs/C1200 tropics (GACS) http://id.agrisemantics.org/gacs/C1088 carbon stocks (GACS) http://id.agrisemantics.org/gacs/C12978 Rufiji River Delta Tanzania
Topic Classification	Climate change
Notes	Site name: ; Site ID: ; Data collection date: ; Latitude: ; Longitude: ; Country: ; Land use or cover type: ; Area sampled: ; Topography and elevation: ; Disturbance: ; Personel trained: ; Research objective(s): ; Principal contact (name & email): ; Protocol used: ; Associated publication: ; Local partner(s): ; Data available: ; Latest data modification (dd/mm/yyyy): ;
Language	English
Grant Information	U.S. Agency for International Development: Sustainable Wetland Adaptation and Mitigation Program
Distributor	Center for International Forestry Research (CIFOR) https://www.cifor.org/
Depositor	Cole, J.
Deposit Date	2020-01-08
Kind of Data	survey data; assesment data; experimental data; measurement data; numeric data; observation data
Software	-
Related Datasets	Trettin, Carl; Dai, Zhaohua; Mangora, Mwita; Lagomasino, David; Seung Kuk Lee; Tang, Wenwu; Fatoyinbo, Temilola, 2020, "SWAMP Dataset-Mangrove biomass soil carbon-Rufiji River Delta-2016", https://doi.org/10.17528/CIFOR/DATA.Z7KXSX, Center for International Forestry Research (CIFOR).; Trettin, Carl C.; Dai, Zhaohua; Tang, Wenwu; Lagomasino, David; Thomas, Nathan; Lee, Seung-Kuk; Ebanega, Médard Obiang; Simard, Marc; Fatoyinbo, Temilola E. 2020. Carbon stock inventory of mangroves, Pongara National Park, Gabon. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2020-0040

Geospatial Metadata

Geographic Coverage	Tanzania, United Republic of Rufiji
Geographic Unit	Degree
Geographic Bounding Box	39.32 39.37 -7.76 -7.85

Overview of the research

Research Area Focus	Estimation of Blue Carbon stocks in mangroves.
Value of The Data	The dataset is valuable for climate change mitigation strategies especially in providing carbon stocks baseline information.
Project Information	SWAMP
Project Description	The Sustainable Wetlands Adaptation and Mitigation Program (SWAMP) is a collaborative effort by the Center for International Forestry Research (CIFOR), the USDA Forest Service (USFS) and Oregon State University with support from the US Agency for International Development (USAID). The objective of this project was to conduct an objective inventory of mangrove carbon stocks in the Rufiji River Delta, and assess its contribution to Tanzania’s REDD+ National Program by building in-country technical capacity and measuring the soil and vegetation carbon pools in the intact mangrove stands within the Rufiji River Delta. To implement these objectives, we designed a stratified random sampling approach to inventory the carbon pools, which was implemented in collaboration with Tanzania Forest Services and the University of Dar es Salaam. Carbon pools within the mangrove forest were categorized into live and dead overstory and understory trees, ground vegetation, dead wood, and soils to a depth of 2 m, thereby providing an estimate of the ecosystem carbon pool. Those pools were measured in plots that were randomly located among the seven forest canopy height strata using a spatial decision support system. The sampling design also provided the basis for scaling the measurements to provide an unbiased estimate of the ecosystem carbon stocks within the Delta. The mean carbon content in biomass ranged from 89.6 Mg C ha-1 to 224.9 Mg C ha-1. Live tree biomass was the dominant pool, accounted for about 88%, with above-ground biomass ranging from 50.7 Mg C ha-1 to 136.4 Mg C ha-1, while below-ground biomass ranged from 24.6 Mg C ha-1 to 62.2 Mg C ha-1. Soil carbon was the largest pool, containing 213.7 Mg C ha-1 to 359.5 Mg C ha-1, accounting for 61.5%-70.9% of the entire stock. The ecosystem carbon density among the seven height classes ranged from 303.3 Mg C ha-1 to 584.4 Mg C ha-1. The estimates of carbon density within height classes were integrated with the their spatial distribution and used to scale-up to the landscape level and arrive at a total carbon stock for the inventory area in the Rufiji River Delta mangroves of 5.6 x 106 Mg C. The project demonstrated the effective application of canopy height as the basis for stratification and forest classification, as well as the high level of precision that can be achieved with an inventory approach to quantifying carbon stocks. Throughout the course of the project, capacity building was realized through training sessions, seminars, field sampling, and laboratory analyses. The project has also provided the first comprehensive inventory of a mangrove forest in Tanzania. Accordingly, it is recommended that the data be included in the National Forest Inventory and that a subset of the plots be made permanent and established as REDD+ MRV sites. The next step to incorporate the Rufiji River Delta mangroves into a national REDD+ program should be an assessment of mangrove land cover change, due to both natural and anthropogenic causes.
Research Program	CGIAR Research Program on Forests, Trees and Agroforestry (ForestsTreesAgroforestry)
CRP Flagship	Flagship 5: Forests, trees and agroforestry for climate change adaptation and mitigation
Program Priority	Blue carbon and peatlands
Quality Statement	Standard QA/QC procedures were used in field and laboratory measurements.

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