Three Decades after: Landscape Dynamics in Different Colonisation Models Implemented in the Brazilian Legal Amazon

Several colonisation projects were implemented in the Brazilian Legal Amazon in the 1970s and 1980s. Among these colonisation projects, the most prominent were those with the “fishbone” and “topographic” models. Within this scope, the settlements known as Anari and Machadinho stand out because they...

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Autores principales:	Valdir Moura, Ranieli dos Anjos de Souza, Erivelto Mercante, Jonathan Richetti, Jerry Adriani Johann
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	deforestation environmental rate fragments remote sensing secondary succession anthropized areas Science Q
Acceso en línea:	https://doaj.org/article/ba6f7abc0b2845b4b71e8461e8a24cd6
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spelling	oai:doaj.org-article:ba6f7abc0b2845b4b71e8461e8a24cd62021-11-25T18:54:32ZThree Decades after: Landscape Dynamics in Different Colonisation Models Implemented in the Brazilian Legal Amazon10.3390/rs132245812072-4292https://doaj.org/article/ba6f7abc0b2845b4b71e8461e8a24cd62021-11-01T00:00:00Zhttps://www.mdpi.com/2072-4292/13/22/4581https://doaj.org/toc/2072-4292Several colonisation projects were implemented in the Brazilian Legal Amazon in the 1970s and 1980s. Among these colonisation projects, the most prominent were those with the “fishbone” and “topographic” models. Within this scope, the settlements known as Anari and Machadinho stand out because they are contiguous areas with different models and structures of occupation and colonisation. The main objective of this work was to evaluate the dynamics of Land-Use and Land-Cover (LULC) in two different colonisation models, implanted in the State of Rondônia in the 1980s. The fishbone and topographic or Disorganised Multidirectional models were implemented in the Anari and Machadinho settlements, respectively. A 36-year time series of Landsat images (1984–2020) was used to evaluate the rates and trends in the LULC process in the different colonisation models. In the analysed models, a rapid loss of primary and secondary forests (anthropized areas) was observed, mainly due to the dynamics of its use, established by the Agriculture/Pasture relation with a heavy dependence on road construction. Understanding these two forms of occupation can help the future programs and guidelines of the Brazilian Legal Amazon and any tropical rainforest across the globe.Valdir MouraRanieli dos Anjos de SouzaErivelto MercanteJonathan RichettiJerry Adriani JohannMDPI AGarticledeforestationenvironmentalrate fragmentsremote sensingsecondary successionanthropized areasScienceQENRemote Sensing, Vol 13, Iss 4581, p 4581 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	deforestation environmental rate fragments remote sensing secondary succession anthropized areas Science Q
spellingShingle	deforestation environmental rate fragments remote sensing secondary succession anthropized areas Science Q Valdir Moura Ranieli dos Anjos de Souza Erivelto Mercante Jonathan Richetti Jerry Adriani Johann Three Decades after: Landscape Dynamics in Different Colonisation Models Implemented in the Brazilian Legal Amazon
description	Several colonisation projects were implemented in the Brazilian Legal Amazon in the 1970s and 1980s. Among these colonisation projects, the most prominent were those with the “fishbone” and “topographic” models. Within this scope, the settlements known as Anari and Machadinho stand out because they are contiguous areas with different models and structures of occupation and colonisation. The main objective of this work was to evaluate the dynamics of Land-Use and Land-Cover (LULC) in two different colonisation models, implanted in the State of Rondônia in the 1980s. The fishbone and topographic or Disorganised Multidirectional models were implemented in the Anari and Machadinho settlements, respectively. A 36-year time series of Landsat images (1984–2020) was used to evaluate the rates and trends in the LULC process in the different colonisation models. In the analysed models, a rapid loss of primary and secondary forests (anthropized areas) was observed, mainly due to the dynamics of its use, established by the Agriculture/Pasture relation with a heavy dependence on road construction. Understanding these two forms of occupation can help the future programs and guidelines of the Brazilian Legal Amazon and any tropical rainforest across the globe.
format	article
author	Valdir Moura Ranieli dos Anjos de Souza Erivelto Mercante Jonathan Richetti Jerry Adriani Johann
author_facet	Valdir Moura Ranieli dos Anjos de Souza Erivelto Mercante Jonathan Richetti Jerry Adriani Johann
author_sort	Valdir Moura
title	Three Decades after: Landscape Dynamics in Different Colonisation Models Implemented in the Brazilian Legal Amazon
title_short	Three Decades after: Landscape Dynamics in Different Colonisation Models Implemented in the Brazilian Legal Amazon
title_full	Three Decades after: Landscape Dynamics in Different Colonisation Models Implemented in the Brazilian Legal Amazon
title_fullStr	Three Decades after: Landscape Dynamics in Different Colonisation Models Implemented in the Brazilian Legal Amazon
title_full_unstemmed	Three Decades after: Landscape Dynamics in Different Colonisation Models Implemented in the Brazilian Legal Amazon
title_sort	three decades after: landscape dynamics in different colonisation models implemented in the brazilian legal amazon
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/ba6f7abc0b2845b4b71e8461e8a24cd6
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Three Decades after: Landscape Dynamics in Different Colonisation Models Implemented in the Brazilian Legal Amazon

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