Mangroves are among the most biologically important ecosystems on the planet, and a common feature of tropical and sub-tropical coastlines. Global Mangrove Distribution, Aboveground Biomass, and Canopy Height. Open a high-resolution version of Map 1 that can be saved as a PNG file The most common mangrove is white mangrove (Avicennia marina), which is found in mainland coastal areas and comprises three subspecies. Giri, C., E. Ochieng, L.L.Tieszen, Z. Zhu, A. Singh, T. Loveland, J. Masek, and N. Duke. There are 348 data files in GeoTIFF format (.tif) with this dataset. Following is a brief synopsis of the data processing and modeling methods implemented to produce the three mangrove products. Additionally, SRTM values versus field measurements of max height (Hmax) had a correlation coefficient R2 of 0.70 and RMSE of 5.80 m globally. 2019-05-02, Dataset Version: Mapping the distribution of mangrove species in the Core Zone of Mai Po Marshes Nature Reserve, Hong Kong, using hyperspectral data and high-resolution data Article Dec 2014 Most of the data were collected in field plots throughout the Americas and Africa, using fixed or variable plot sizes. This study offers a baseline to monitor national and regional trends in mangrove carbon stocks (Simard et al., 2019). Model projections for Pohnpei indicate that the mangroves are likely to be resilient to low and moderate rates of sea-level rise over the coming decades if they remain intact and healthy. The Global Mangrove Forests Distribution, 2000 data set is a compilation of the extent of mangroves forests from the Global Land Survey and the Landsat archive with hybrid supervised and unsupervised digital image classification techniques. Users who would like to choose to format the citation(s) for this dataset using a myriad of alternate styles can copy the DOI number and paste it into Crosscite's website. mangroveecologyph says: October 9, 2020 at 2:57 PM. Mangroves are one of Florida's true natives. They thrive in salty environments because they can obtain freshwater from saltwater. Welcome to Global Mangrove Watch Monitoring to catalyse the action needed to protect and restore mangroves . We digitized mangroves directly in Google Earth software and used a set of image interpretation attributes to distinguish mangrove from other features. Copyright © 1997–2020. What is Mangrove? The seaward side of the community is likely to be dominated by a fringe of grey mangroves … Local Mangrove Species. http://dx.doi.org/10.3334/ORNLDAAC/1357, Fatoyinbo, T., E. Feliciano, D. Lagomasino, S. Lee, and C. Trettin. A 1 metre x 1 metre quadrant will be used to measure abundance during the program. ORNL DAAC, Oak Ridge, Tennessee, USA. Towards a worldwide wood economics spectrum. The mangrove flora is unique in nature due to its restricted distribution only to the tidal zones. A transect will be used to measure distribution for the mangrove study at Bobbin Head. Scientific name: Lichenostomus ... nearly always building their nests in a densely foliaged mangrove tree. ORNL DAAC, Oak Ridge, Tennessee, USA. Analysis of canopy height variance obtained from SRTM, lidar, and field measurements demonstrated that SRTM height characterizes mean overstory canopy height and maintains consistency over time when measuring canopy height in established mangrove forests. Earlier global land-cover initiatives failed to map mangrove areas with sufﬁcient detail because sat- Results were validated with in situ canopy height measurements and aboveground biomass estimates from field plots distributed across three continents. Global mangrove distributions have fluctuated throughout human and geological history. The Trustees of Columbia University in the City of New York. I hope I can get the title and the other details of the study so I can read the article. The SRTM estimates of Hmax (that is, SRTMHmax) were validated with in situ collected data in Pongara National Park to confirm the validity of the tallest canopy height values in Gabon. https://doi.org/10.3334/ORNLDAAC/1522, Lagomasino, D., T. Fatoyinbo, S. Lee, E. Feliciano, C. Trettin, A. Shapiro, and M. Mwita. As a general rule, zones of dominant mangrove species run parallel to the shoreline or to the banks of tidal creek systems. Nature Geoscience, 12: 40–45. Archive Center Value of Mangroves. , Global forest Change maps of Hansen et al. In this study, Osland et al. The Moreton Bay region has approximately 20,000 ha intertidal communities, mostly mangroves and saltmarsh. The relationship between SRTM and Basal Area Weighted Height (Hba) had a correlation coefficient R2 value of 0.78 and RMSE of 3.60 m at global scales. Global Mangrove Distribution, Aboveground Biomass, and Canopy Height. Conservation of Mangroves. Global Mangrove Distribution (USGS) Oct 23, 2013 Uploaded by Heidi Hausman. Global Ecology and Biogeography: A Journal of Macroecology 20(1): 154-159. See Simard et al. Regional and global models were generated between plot-level canopy height and plot-level AGB density, where height and AGB relationships were fitted to the regression model: where Hx can represent either Hba or Hmax. A Data Center in NASA's Earth Observing System Data and Information System (, Socioeconomic Data and Applications Center (, Central American Vegetation/Land Cover Classification and Conservation Status, v1 (, Global Development Potential Indices, v1 (, Global Grid of Probabilities of Urban Expansion to 2030, v1 (, Global Human Modification of Terrestrial Systems, v1 (, https://doi.org/10.1111/j.1466-8238.2010.00584.x, Global Mangrove Forests Distribution, v1 (. Zones in the mangroves . The data base provides an up‐to‐date and consistent overview of the extent and distribution of mangrove forests with better spatial and thematic details than previous data sets. The main trunk is erect and covered by rough, reddish-brown bark. Leaves measure up to 8 cm in length and 5 cm in width. File Properties: No data value: 0, Number of bands: one, Resolution: 30 m, EPSG: 4326. Links. Simard, M., L. Fatpyinbo, C. Smetanka, V.H. The Hba and Hmax data were updated so that they are now capped at the 95th percentile of the maximum value (55 m), as outlined in the publication. 2017. There are 348 data files in GeoTIFF format (.tif) with this dataset representing three data products for each of 116 countries. The global mangrove forest AGB map was generated by linking the field-measured biomass–height allometry (described above) with SRTM estimates of Hba (that is, SRTMHba). Thank you! Regional biomass allometric models developed for this study had a combined RMSE of 57.2 Mg ha-1 (ranging from 46.6 Mg ha-1 to 72.0 Mg ha-1) and an R2 of 0.77. This procedure is a two-step process where SRTM is converted to SRTMHba and then to AGB using appropriate field-derived Hba to AGB allometry. The world map below shows where mangrove forests are located. To identify mangrove ecotype areas and mask non-mangrove regions in the SRTM elevation dataset, we used the global mangrove extent map from Giri et al. Mangrove forests in coastal Gabon are the tallest globally with forest stands that were estimated up to 63 m. The photo insets show locations where individual trees were measured in situ up to 65 m tall (Simard et al., 2019). Global map of mangrove maximum canopy height and location of sampling sites (numbers) where in situ data were collected. 1. The mean and maximum SRTMHmax values were computed for each country. There are approximately 40 species of mangroves distributed worldwide. The Eastern Group (Eastern Hemisphere) incorporates East Africa, the Red Sea, India, Southeast Asia, Southern Japan, the Philippines, Australia, New Zealand and the South Pacific archipelago, as far east as Samoa. We used readily available Google Earth very high-resolution imagery to map mangrove distribution in the Galapagos. The selected field sites (331 plots in total) included a wide variety of forest structure and mangrove ecotypes (for example, scrub, fringe, riverine and basin) with measured in situ tree heights ranging from 1 to 65 m. The mangrove field sites (Figure 2a) were distributed along a latitudinal range from 26º S (Maputo Reserve, Mozambique) to 25º N (Everglades, USA), encompassing the equatorial region. CMS: Aboveground Biomass for Mangrove Forest, Zambezi River Delta, Mozambique. 2019. Trees have a large trunk covered by light grey, finely fissured bark that supports a spreading leafy crown. Abundance refers to the number of individuals in the area. Distribution. A combination of existing products were used, including the mangrove map of Giri et al. Ryan, J.G. Region Mangroves 1990 (ha) Mangroves 2000 … The information provided below replaces the Mangroves and associated communities of Moreton Bay, Queensland, Australia: change in extent … https://doi.org/10.1111/j.1466-8238.2010.00584.x. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. There are approximately 40 species of mangroves distributed worldwide. https://doi.org/10.3334/ORNLDAAC/1665. ORNL DAAC, Oak Ridge, Tennessee, USA. World map of mangrove distribution. where Hi and ri are the height and radius (that is, DBH/2) of tree i, respectively, in meters. All Fields: search. Mangrove canopy height globally related to precipitation, temperature and cyclone frequency. Swenson, and A.E. the present status and distributions of mangrove forests of the worldisinadequate.Currentestimatesof thetotalareaof global mangroves ranges from 110,000 to 240,000 km2 (Wilkie and Fortune, 2003; FAO, 2007). 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