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Land use existing Planning of the changes
land use Scenarios Simulation
AYUNG WATERSEHD CONDITION
Figure 2.1 Thinking Framework
2.2 Concept of Research
The concept study started from: a Assessments to the field to determine the location of the research, b
Compilation of watershed maps, DEM maps, maps of soil type, slope maps and land use maps to obtain the
map respo hydrological unit Urh, c Collect the soil samples to the field, d Analysis of soil physical and
chemical properties in the laboratory, e Analysis of the data for discharge, erosion, farmer’s income and the
income of farmers and relationships erosion rates. The concept of such research can be detailed flowchart in
Figure 2.2
Farmers Incomes statistic
descriptive discharge
SWAT Erosion
USLE
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Figure 2.2 Consept Research
Ayung Watershed
Condition Determination
of Location Preliminary
Study to the field
surveys
Research
Compilation of Map
Secundary Data 1. Map of Watershed
2. Map of DEM 3. Map of Soil
Types, 4. Map of the Slopes,
5. Map Land Use
Map of HRU
Determination of sample
points Analyzing
1 Discharge
Secondary data: 1. Climate
2. The pattern of land use
3. Plants Vegetation 4. Land management
Methods: 1.
SWAT
Scenarios simulation
Planing of Land Use Change Discharge
Novelty
3. Statistic of descriptive
Farmer Income 2. Erosion
2. USLE
Erosion
Result
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2.3 Hypothesis
1. The coefficient of river regime is greater than one.
2. The highest erosion rates in the upstream and
downstream erosion lowest in the Ayung River Basin.
3. The income of farmers in the upper Ayung
watersheds igher than in the middle and downstream. 4.
Land use change can improve discharge and erosion rates in the Ayung watersehd.
III. RESEARCH METHODS
3.1 Research Design
The design of the research using a combined approach of quantitative and qualitative descriptive. The
research was conducted by using primary data to the field survey and secondary data from relevant agencies.
3.2 Research Procedure
Research procedures are as follows: 1.
The collection of primary data field observation based on soil characteristics and the characteristics of
the river, and secondary data agencies. 2.
Compile some maps, uniformity of soil type, slope and land-use class is classified into one unit of land
or Hydrological Response Unit HRU, the upstream watershed 23 samples, and central part watersehd of
10 samples, and the downstream watershed 7 samples, in order to get 40 samples. Map Sub-
watershed and Soil Sampling Point presented in Figure 3.1.
3. Analysis of soil physical and chemical properties of
soil in the Laboratory of Soil and Environmental of Study origram of Agroecotechnology, Faculty of
Agriculture, University of Udayana in Denpasar.
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Figure 3.1 Sub-watershed map and Point Sampling in
Ayung Watershed
4. Farming analyzed based on the results of a
questionnaire given to respondents farmers, and farmers who are married preferably by 77
respondents.
5. Perform simulated by changing land use to determine
discharge and erosion rates in the Ayung watersehd. 6.
Procedures of research presented in the flow chart Figure 3.2
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Figure 3.2 Procedure of the Research
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3.3 Method of Data Analysis
