G2TT
来源类型Articles
规范类型论文
DOIhttps://doi.org/10.1016/j.scitotenv.2018.03.356
ISSN0048-9697
Impacts of land-use and land-cover change on stream hydrochemistry in the Cerrado and Amazon biomes
Lubis, M.; Suharjo, B.; Nurmalina, R.; Purnomo, H.
发表日期2018
出处Science of The Total Environment 635: 259-274
出版年2018
语种英语
摘要

Studies on the impacts of land-use and land-cover change on stream hydrochemistry in active deforestation zones of the Amazon agricultural frontier are limited and have often used low-temporal-resolution datasets. Moreover, these impacts are not concurrently assessed in well-established agricultural areas and new deforestations hotspots. We aimed to identify these impacts using an experimental setup to collect high-temporal-resolution hydrological and hydrochemical data in two pairs of low-order streams in catchments under contrasting land use and land cover (native vegetation vs. pasture) in the Amazon and Cerrado biomes. Our results indicate that the conversion of natural landscapes to pastures increases carbon and nutrient fluxes via streamflow in both biomes. These changes were the greatest in total inorganic carbon in the Amazon and in potassium in the Cerrado, representing a 5.0- and 5.5-fold increase in the fluxes of each biome, respectively. We found that stormflow, which is often neglected in studies on stream hydrochemistry in the tropics, plays a substantial role in the carbon and nutrient fluxes, especially in the Amazon biome, as its contributions to hydrochemical fluxes are mostly greater than the volumetric contribution to the total streamflow. These findings demonstrate that assessments of the impacts of deforestation in the Amazon and Cerrado biomes should also take into account rapid hydrological pathways; however, this can only be achieved through collection of high-temporal-resolution data.

主题land use ; canopy ; deforestation ; catchment hydrology
URLhttps://www.cifor.org/library/7143/
来源智库Center for International Forestry Research (Indonesia)
引用统计
资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/94004
推荐引用方式
GB/T 7714
Lubis, M.,Suharjo, B.,Nurmalina, R.,et al. Impacts of land-use and land-cover change on stream hydrochemistry in the Cerrado and Amazon biomes. 2018.
条目包含的文件
文件名称/大小 资源类型 版本类型 开放类型 使用许可
00489697.jpg(10KB)智库出版物 限制开放CC BY-NC-SA浏览
个性服务
推荐该条目
保存到收藏夹
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Lubis, M.]的文章
[Suharjo, B.]的文章
[Nurmalina, R.]的文章
百度学术
百度学术中相似的文章
[Lubis, M.]的文章
[Suharjo, B.]的文章
[Nurmalina, R.]的文章
必应学术
必应学术中相似的文章
[Lubis, M.]的文章
[Suharjo, B.]的文章
[Nurmalina, R.]的文章
相关权益政策
暂无数据
收藏/分享
文件名: 00489697.jpg
格式: JPEG

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。