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Bagyo Yanuwiadi
Biology, University of Brawijaya, Malang, Indonesia
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management

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Analysis of Effect Agricultural and Domestic Activities on Water Quality and Macrozoobenthos in River of Batu City, A Case Study in Sisir and Pandanrejo Village Cahyani Cahyani; Bagyo Yanuwiadi; Arief Rachmansyah
Indonesian Journal of Environment and Sustainable Development Vol. 11 No. 1 (2020)
Publisher : Postgraduate School Universitas Brawijaya

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Abstract

Batu city is located in East Java, the city has an important role in maintaining the quality of the river water. The city has developed into intensive agricultural and residential areas – services, which may reduce the water quality. This research was conducted in two areas with different dominating activities, in Sisir village (residential area) and in Pandanrejo village (agricultural area). The aims of this study are to analysis differences in water quality between the one in agricultural area and the one in residential area, and to analysis the water quality based on the diversity of macrozoobenthos. The water and macrozoobenthos samples were taken in upstream, midstream and downstream of the river. Water sample and macrozoobenthos sample were taken in different times. Calculate diversity of macrozoobenthos use Shannon-Wiener’s formula. The results showed that agricultural and domestic activities affect the concentration of chemical compounds in river. It concluded that chemical quality of the water in the agricultural activities and in the domestic activities showed the highest concentration of nitrate, and based on diversity of macrozoobenthos the quality of water in Sisir and Pandanrejo village are classified having moderate ecological pressure to high ecological pressure.   
Local Wisdom and Its Implications in Plant Diversity Conservation in Springs Area (Study Case in Ngenep Village, Karangploso District, Malang Regency) Nunung Laili Nur Khasanah; Bagyo Yanuwiadi; Jati Batoro
Indonesian Journal of Environment and Sustainable Development Vol. 11 No. 1 (2020)
Publisher : Postgraduate School Universitas Brawijaya

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Abstract

Water from springs in Ngenep Village has an important role in people's lives. As an effort to protect the springs, the community sacred the springs. This study aims to analyze the local wisdom of the community in the conservation of springs and its implications for plant diversity in the spring area. Information related to local wisdom in the preservation of springs is done by searching the literature, spring area surveys and in-depth interviews. The diversity of plants in the spring has been done by plotting. Analysis of plants found in the spring is calculated relative density, relative frequency, relative dominance and plant value index for each spring. The Ngenep community divides springs into two terms namely springs with the terms "umbulan" and "belik". In Ngenep Village three springs are still maintained because they are springs that have cultural values in the community. Springs are Ngenep, Nyolo and Soko Springs. Each of these springs is located in a specific area of land with relatively natural vegetation. This spring is different from other regions in the rural landscape. this spring is a land that is not used for agricultural cultivation or settlement, but is a land that is conserved so that it is relatively natural. Among the plants of this type of tree that have the highest importance index value are the plants of S. pycnanthum, F. annulata, F. benjamina and S. indica. these plants can only be found in the spring area and on the river cliffs.
Co-Authors Arief Rachmansyah Cahyani Cahyani Jati Batoro Nunung Laili Nur Khasanah