Trees outside forests are an underestimated resource in a country with low forest cover

Abstract Trees outside forests (TOF) are an underrepresented resource in forest poor nations. As a result of their frequent omission from national forest resource assessments and a lack of readily available very-high-resolution remotely sensed imagery, TOF status and characterization has until now,...

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Main Authors:	Nathan Thomas, Priscilla Baltezar, David Lagomasino, Atticus Stovall, Zaheer Iqbal, Lola Fatoyinbo
Format:	article
Language:	EN
Published:	Nature Portfolio 2021
Subjects:	Medicine R Science Q
Online Access:	https://doaj.org/article/2f1b39b48a49480c9e1855f1e9df2a5c
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spelling	oai:doaj.org-article:2f1b39b48a49480c9e1855f1e9df2a5c2021-12-02T15:51:15ZTrees outside forests are an underestimated resource in a country with low forest cover10.1038/s41598-021-86944-22045-2322https://doaj.org/article/2f1b39b48a49480c9e1855f1e9df2a5c2021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86944-2https://doaj.org/toc/2045-2322Abstract Trees outside forests (TOF) are an underrepresented resource in forest poor nations. As a result of their frequent omission from national forest resource assessments and a lack of readily available very-high-resolution remotely sensed imagery, TOF status and characterization has until now, been unknown. Here, we assess the capacity of openly available 10 m ESA Sentinel constellation satellite imagery for mapping TOF extent at the national level in Bangladesh. In addition, we estimate canopy height for TOF using a TanDEM-X DEM. We map 2,233,578 ha of TOF in Bangladesh with a mean canopy height of 7.3 m. We map 31 and 53% more TOF than existing estimates of TOF and forest, respectively. We find TOF in Bangladesh is nationally fragmented as a consequence of agricultural activity, yet is capable of maintaining connectedness between remaining stands. Now, TOF accounting is feasible at the national scale using readily available datasets, enabling the mainstream inclusion of TOF in national forest resource assessments for other countries.Nathan ThomasPriscilla BaltezarDavid LagomasinoAtticus StovallZaheer IqbalLola FatoyinboNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Nathan Thomas Priscilla Baltezar David Lagomasino Atticus Stovall Zaheer Iqbal Lola Fatoyinbo Trees outside forests are an underestimated resource in a country with low forest cover
description	Abstract Trees outside forests (TOF) are an underrepresented resource in forest poor nations. As a result of their frequent omission from national forest resource assessments and a lack of readily available very-high-resolution remotely sensed imagery, TOF status and characterization has until now, been unknown. Here, we assess the capacity of openly available 10 m ESA Sentinel constellation satellite imagery for mapping TOF extent at the national level in Bangladesh. In addition, we estimate canopy height for TOF using a TanDEM-X DEM. We map 2,233,578 ha of TOF in Bangladesh with a mean canopy height of 7.3 m. We map 31 and 53% more TOF than existing estimates of TOF and forest, respectively. We find TOF in Bangladesh is nationally fragmented as a consequence of agricultural activity, yet is capable of maintaining connectedness between remaining stands. Now, TOF accounting is feasible at the national scale using readily available datasets, enabling the mainstream inclusion of TOF in national forest resource assessments for other countries.
format	article
author	Nathan Thomas Priscilla Baltezar David Lagomasino Atticus Stovall Zaheer Iqbal Lola Fatoyinbo
author_facet	Nathan Thomas Priscilla Baltezar David Lagomasino Atticus Stovall Zaheer Iqbal Lola Fatoyinbo
author_sort	Nathan Thomas
title	Trees outside forests are an underestimated resource in a country with low forest cover
title_short	Trees outside forests are an underestimated resource in a country with low forest cover
title_full	Trees outside forests are an underestimated resource in a country with low forest cover
title_fullStr	Trees outside forests are an underestimated resource in a country with low forest cover
title_full_unstemmed	Trees outside forests are an underestimated resource in a country with low forest cover
title_sort	trees outside forests are an underestimated resource in a country with low forest cover
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/2f1b39b48a49480c9e1855f1e9df2a5c
work_keys_str_mv	AT nathanthomas treesoutsideforestsareanunderestimatedresourceinacountrywithlowforestcover AT priscillabaltezar treesoutsideforestsareanunderestimatedresourceinacountrywithlowforestcover AT davidlagomasino treesoutsideforestsareanunderestimatedresourceinacountrywithlowforestcover AT atticusstovall treesoutsideforestsareanunderestimatedresourceinacountrywithlowforestcover AT zaheeriqbal treesoutsideforestsareanunderestimatedresourceinacountrywithlowforestcover AT lolafatoyinbo treesoutsideforestsareanunderestimatedresourceinacountrywithlowforestcover
_version_	1718385622922559488

Trees outside forests are an underestimated resource in a country with low forest cover

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