The Effect of Land Unit Elimination on The Conservation Activity Plan at Air Bengkulu Watershed, Bengkulu Province

Sulistyo, Bambang; Barchia, Muhammad Faiz; Hindarto, Kanang Setyo; Listyaningrum, Noviyanti

doi:10.22146/ijg.48578

Cited by 5 publications

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“…Also, the farmers have no more arable dry land closed to the Air Hitam irrigation area, so that the expansion of oil palm plantation by traditional farmers used their IOP Publishing doi:10.1088/1755-1315/1200/1/012057 7 marginal paddy soils. Agricultural land conversions to oil palm plantation and rubber plantation from food crops cultivations by local farmers were real revolutionary decision taken [39]. Various determining factors proposed land conversion to perennial crops cultivation especially oil palm and rubber plantation in Bengkulu from agricultural rice and food crops lands, from 85 % having a desire to change their agricultural activities such as economical aspects 58.4%, technical domains 19.4%, and environmental barriers 22.2% [40].…”

Section: Resultsmentioning

confidence: 99%

Land use change from marginal peaty rice fields to other land uses in Air Hitam irrigation area, Bengkulu, Indonesia

Barchia

Sulistyo

Putri

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Land use changes cause uncertain conditions for rice production and food security in Indonesia as well as in Bengkulu. The land use changes on infertile peaty soils from paddy cultivation to oil palm plantation and other land uses treat rice production sustainability. The purposes of this research was to show land use conversion from rice field to other land functions in Air Hitam irrigation area, Bengkulu. This study was done from July to November 2021 at Air Hitam rice fields in Central Bengkulu Regency, Bengkulu Province. The existing land use in three periods was analyzed using satellite imagery with appropriate resolutions and multitemporal time comprising Landsat 5 TM (Thematic Mapper), Landsat 7 ETM+ (Enhanced Thematic Mapper + and Landsat 8 OLI (Operational Land Imager) taken out 2000, 2010 and 2020 released by United States Geological Survey (USGS). The dominant land uses at the Air Hitam area in year of 2000 were mostly rice fields covering about 71.84%, and the rice fields in year of 2010 decrease to 53.63%. The rice fields conversion still continuous, and in 2020 the rice fields dropped to 47.65% while oil palm plantation covers about 38.74% of the area. In the last two decades the oil palm plantation cultivated by small scale farmers sharp increase, in contrast, rice fields at this area were huge loss. The rice field loss of 292.27 ha at the Air Hitam irrigation area threat rice production in Bengkulu.

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Section: Resultsmentioning

confidence: 99%

Land use change from marginal peaty rice fields to other land uses in Air Hitam irrigation area, Bengkulu, Indonesia

Barchia

Sulistyo

Putri

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…Similar results were reported by Almeida et al (2016) while studying a watershed in Tocantins, Brazil. Also, Sulistyo et al (2020), who explored the Air Bengkulu River watershed in Indonesia, showed that land erosion can be caused by several factors, such as the loss of vegetation cover due to deforestation, agricultural practices, and the construction of residential areas. These alleged attacks are related to the hydrographic basin under study, because it has 62.6% of its territory under anthropogenic influence.…”

Section: Resultsmentioning

confidence: 99%

Influence of watershed land use on water quality in the state of Santa Catarina, Brazil

Vieira

Ribeiro

2022

GES

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The inappropriate use of water resources by human actions compromises the balance between natural and anthropogenic factors. In this study, exploratory and field research were conducted with a scope of quantifying, based on satellite imaging, the use and occupation of land on the banks of the Itajaí-Açu River, the largest watercourse in the Itajaí River Basin, located in the State of Santa Catarina, Brazil. Five sampling points were allocated along the river at different times of the year to analyze water quality using chemical and biological indicators. The characterization of land use and occupation was carried out with Sentinel-2B satellite images at 10m resolution and QGIS software. Version 3.6.3 of the R Software was used to consolidate the data. The land use was categorized into several classes, the most representative of which was vegetation, which presented coverage of 34.42%, followed by the pastures and open fields class, with 27.83%, agriculture, with 18.18%, and urban areas, with 16.59% coverage. Our study showed that 62.6% of the river’s base was affected by anthropogenic influence, characterizing an environment severely altered from its normal state. The results obtained in the statistical analysis revealed a directional correlation between land use and water quality, thus indicating that cities on the banks of watercourses are major sources of potential contaminants. Among the classes of land use, the presence of vegetation along the riverside territory attenuated part of the load of pollutants launched into the Itajaí-Açu River. This finding highlights the importance of conserving the vegetation alongside the river to maintain water quality and, consequently, preserve the ecosystem’s biota.

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“…The watershed is located in Central Bengkulu District and Bengkulu City covering 50,049.ha. Geographically, the watershed lies down between 102 0 14'48,962" E and 102 0 35'5,992" E, and between 3 0 37'8,705" and 3 0 50'30,802" S (Sulistyo et al 2020). Air Bengkulu Watershed comprises 3 (three) sub-watershesd namely Susup, Rindu Hati, and Bengkulu Hilir subwatersheds (Andriansyah and Mustikasari 2011).…”

Section: Methodsmentioning

confidence: 99%

Assessment of Air Bengkulu (Indonesia) watershed based on agroecosystem landscape quality and sustainable land use plan

et al. 2020

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Abstract. Barchia MF, Sulistyo B, Hindarto KS, Suhartoyo H. 2020. Assessment of Air Bengkulu (Indonesia) watershed based on agroecosystem landscape quality and sustainable land use plan. Biodiversitas 21: 5422-5430. This study purposes to assess agro-ecosystem landscape based on land quality values and current land use and assess agro-ecosystem matrices with agricultural conservation practices in Air Bengkulu Watershed conducted from August to December 2019. Spatial analysis used some map and Landsat 8 OLI satellite imagery and ArcGIS version 10.1. The analysis depicted spatial distribution of soil and land quality, land uses, agricultural landscape matrices, and sustainable agro-ecosystems. The assessments revealed soil quality covered Air Bengkulu Watershed categorized moderate 33.1% to good 14.4% suitable for sustainable agroecosystems while in marginal quality 38.9% mostly lying on the upstream. This unique landscape formed a land quality prone to degradation because of intensive agriculture for oil palm covering 60% and coffee plantation about 17%. Actually, only about 61.1% of the Air Bengkulu Watershed is categorized as moderate to good quality matrix of sustainable agroecosystems. Improper agricultural cultivation with monoculture system without implemented conservation practices drove landscape filled with degradation landscapes. With sustainable agro-ecosystem scenarios implementing physical conservation terraces and restored with multi-purposes tree species such as candlenut, kapok tree, betel nut, durian, good quality of the landscape matrix of 82% Air Bengkulu Watershed.

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The Effect of Land Unit Elimination on The Conservation Activity Plan at Air Bengkulu Watershed, Bengkulu Province

Cited by 5 publications

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Land use change from marginal peaty rice fields to other land uses in Air Hitam irrigation area, Bengkulu, Indonesia

Land use change from marginal peaty rice fields to other land uses in Air Hitam irrigation area, Bengkulu, Indonesia

Influence of watershed land use on water quality in the state of Santa Catarina, Brazil

Assessment of Air Bengkulu (Indonesia) watershed based on agroecosystem landscape quality and sustainable land use plan

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