Environmental services in watersheds with small declivity: fluvial marine plains
Fluvial marine plains harbor environments with reduced declivity, but with different environmental attributes that may be relevant ecosystem services in their watersheds, which can be transformed into opportunities for the development of environmental services payments. This study digitally spatiali...
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Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHi)
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doaj-153f957614e644b9a10b4bd3b95537892020-11-25T01:12:17ZengInstituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHi)Revista Ambiente & Água1980-993X2019-06-0114311110.4136/ambi-agua.2265Environmental services in watersheds with small declivity: fluvial marine plainsMateus Marques Bueno0Ricardo Valcarcel1Felipe Araújo Mateus2Marcos Gervasio Pereira3Instituto Federal de Educação, Ciência e Tecnologia de Minas Gerais (IFMG), São João Evangelista, MG, Brasil Departamento de Agronomia. Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, RJ, Brasil Instituto de Florestas (IF). Departamento de Ciencias Ambientais (DCA). Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, RJ, Brasil Instituto de Florestas (IF). Departamento de Ciencias Ambientais (DCA). Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica, RJ, Brasil Instituto de Agronomia (IA). Departamento de Solos. Fluvial marine plains harbor environments with reduced declivity, but with different environmental attributes that may be relevant ecosystem services in their watersheds, which can be transformed into opportunities for the development of environmental services payments. This study digitally spatialized part of the ecosystem services related to water availability in the microbasins of the Guandu Basin Hydrographic Basin, the main source of water supply for the metropolitan region of Rio de Janeiro, based on geo-environmental factors and the effects of transposition of watersheds, in order to facilitate the formulation of public policies regarding environmental services. The excerpts with the highest potential for producing environmental services from subsurface water flows, Topographic Wetness Index-ITU (ITU > 11), flat formation and low altimetry (< 40 m), are close to the old silted thalwegs, which can be potentialized by the effects of transposition, notably in the APA Guandu conservation unit. These areas should be prioritized in public and private water systems’ preservation programs. The areas near the transposition canals feature environmental services that depend directly on the transposition, and may be subject to management, as found in Guandu conservation unit. Flat areas with (7<ITU< 11) have their ecosystem services transferred from subsurface water flows to surface water flows and are dependent more on meteorological phenomena and on ways to manage heavy rain showers through their use, especially as altimetry and slope increase.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1980-993X2019000300300&lng=en&nrm=iso&tlng=enhydrogenetic areastopographical index of wetnesswater management. |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Mateus Marques Bueno Ricardo Valcarcel Felipe Araújo Mateus Marcos Gervasio Pereira |
spellingShingle |
Mateus Marques Bueno Ricardo Valcarcel Felipe Araújo Mateus Marcos Gervasio Pereira Environmental services in watersheds with small declivity: fluvial marine plains Revista Ambiente & Água hydrogenetic areas topographical index of wetness water management. |
author_facet |
Mateus Marques Bueno Ricardo Valcarcel Felipe Araújo Mateus Marcos Gervasio Pereira |
author_sort |
Mateus Marques Bueno |
title |
Environmental services in watersheds with small declivity: fluvial marine plains |
title_short |
Environmental services in watersheds with small declivity: fluvial marine plains |
title_full |
Environmental services in watersheds with small declivity: fluvial marine plains |
title_fullStr |
Environmental services in watersheds with small declivity: fluvial marine plains |
title_full_unstemmed |
Environmental services in watersheds with small declivity: fluvial marine plains |
title_sort |
environmental services in watersheds with small declivity: fluvial marine plains |
publisher |
Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHi) |
series |
Revista Ambiente & Água |
issn |
1980-993X |
publishDate |
2019-06-01 |
description |
Fluvial marine plains harbor environments with reduced declivity, but with different environmental attributes that may be relevant ecosystem services in their watersheds, which can be transformed into opportunities for the development of environmental services payments. This study digitally spatialized part of the ecosystem services related to water availability in the microbasins of the Guandu Basin Hydrographic Basin, the main source of water supply for the metropolitan region of Rio de Janeiro, based on geo-environmental factors and the effects of transposition of watersheds, in order to facilitate the formulation of public policies regarding environmental services. The excerpts with the highest potential for producing environmental services from subsurface water flows, Topographic Wetness Index-ITU (ITU > 11), flat formation and low altimetry (< 40 m), are close to the old silted thalwegs, which can be potentialized by the effects of transposition, notably in the APA Guandu conservation unit. These areas should be prioritized in public and private water systems’ preservation programs. The areas near the transposition canals feature environmental services that depend directly on the transposition, and may be subject to management, as found in Guandu conservation unit. Flat areas with (7<ITU< 11) have their ecosystem services transferred from subsurface water flows to surface water flows and are dependent more on meteorological phenomena and on ways to manage heavy rain showers through their use, especially as altimetry and slope increase. |
topic |
hydrogenetic areas topographical index of wetness water management. |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1980-993X2019000300300&lng=en&nrm=iso&tlng=en |
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