The conservation index as a control instrument of space utilisation in the Upper Cikapundung Watershed of Indonesia Online publication date: Thu, 09-Apr-2020
by Mariana Marselina; Indragiri Jatikusuma; Arwin Sabar
International Journal of Hydrology Science and Technology (IJHST), Vol. 10, No. 2, 2020
Abstract: The development of settlements north of Bandung City in Indonesia is changing the upstream Cikapundung Watershed. Construction in the Cikapundung Watershed between 1997 and 2011 was 50.58 ha/year and the deforestation was 18.3 ha/year. The conservation index showed that the change in land use from 1997 to 2011 will made critical area increased around 62.48 ha/year. The area condition was assessed by comparing the actual conservation index (Ikc) and the natural conservation index (Ika). This indicates that there was degradation of the land's hydrological function (IKc < IKa) in the Upper Cikapundung Watershed area. In 1997, 2001, 2005, and 2011 the IKc was less than IKa forest (0.9-0.8) or IKa Hassing (0.73). To preserve the hydrological function of the Upper Cikapundung Watershed area, a linkage between space utilisation and hydrological conditions of the land is needed.
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