Assessment of land evaluation on erosion reduction with Agroforestry approach around Lake Ngade area

Abstract

Ngade Lake is surrounded by steep cliffs with a very high level of erosion insecurity with a very steep slope > 45% without sloping edges and no outlets. In the upstream region the water catchment area of Ngade Lake is dominated by land use in the form of coconut and nutmeg plantations. This study aims to examine the form of land evaluation strategy to maintain forest function from erosion threat in the area of Ngade Lake water catchment with agroforestry management pattern. The method used in this research was a quantitative descriptive method using field surveys to collect data on the characteristics of the land that is assisted by secondary data from various literature. The collection of land characteristics data was done at each observation point. To collect the primary data used sampling techniques carried out with stratified random sampling method considering accessibility of roads. The results of the study showed that there were several classes of land capacity. Among them were Class II with high potential of land so it can be cultivated for agriculture and settlements. Land capacity Class VI and VII with low-potential land or difficult to be cultivated for agriculture, this land capacity class intended for forestry plants and grazing fields.