sources of agricultural data
DESCRIPTION
Sources of Agricultural Data. Section B. Administrative Records. Population or locality data files Labor employment and unemployment offices Taxation data Farm registers. Administrative Record Advantages. Reduced costs of data collection Reduced respondent burden - PowerPoint PPT PresentationTRANSCRIPT
Copyright 2010, The World Bank Group. All Rights Reserved.
1
Sources of Agricultural Data
Section B
Copyright 2010, The World Bank Group. All Rights Reserved.
2
Administrative Records
• Population or locality data files
• Labor employment and unemployment offices
• Taxation data
• Farm registers
Copyright 2010, The World Bank Group. All Rights Reserved.
3
Administrative Record Advantages
• Reduced costs of data collection
• Reduced respondent burden
• Production of data on detailed domains
• Estimating transition over time
Copyright 2010, The World Bank Group. All Rights Reserved.
4
Administrative Record Cautions
• Information can be outdated
• Coverage may not be complete
• Accuracy must be verified
• Potential bias
Copyright 2010, The World Bank Group. All Rights Reserved.
5
Sample Surveys
1. Agricultural surveys – Holding unit of enumeration from agricultural
census
2. Household surveys– Individual and households are units of enumeration
from population census
Copyright 2010, The World Bank Group. All Rights Reserved.
6
Sample Surveys
3. Labor force surveys– Establishment is unit of enumeration including
agricultural sub-sector
– Economically active population is unit of enumeration – can be biased against subsistence agricultural workers
Copyright 2010, The World Bank Group. All Rights Reserved.
7
Agricultural Surveys
• Agro-economic surveys provide required data on agriculture activity and employment
– Structural data gathered in first round of the year
• Surveys can be targeted to focus on one crop, holding type or activity
Copyright 2010, The World Bank Group. All Rights Reserved.
8
Agro-Economic Surveys
• Data not captured:– Characteristics of holder’s household
members
– Activities of holder’s household members not working on holding
– Structure of the holder’s household income
Copyright 2010, The World Bank Group. All Rights Reserved.
9
Crop Survey Examples
• Crop production survey:
– Planting intentions prior to planting
– Crop plantings after planting
– Crop conditions before harvest
– Crop production after harvest
Copyright 2010, The World Bank Group. All Rights Reserved.
10
Crop Survey Examples
• Survey of post-harvest losses
• Survey of food stocks
• Crop marketing survey
Copyright 2010, The World Bank Group. All Rights Reserved.
11
Livestock Survey Examples• Surveys on livestock products and structure:
– Milk and wool production
– Livestock by breed, sex and number
• Surveys of abattoirs, butchers, dairies
• Marketing board information
• Survey of feed stocks
Copyright 2010, The World Bank Group. All Rights Reserved.
12
Other Agricultural Surveys
• Farm management surveys– Organization and management of farms
• Cost of production surveys– Operational costs for a particular activity
• Time use surveys– Examines contributions by family members to
agricultural holdings
Copyright 2010, The World Bank Group. All Rights Reserved.
13
Household Surveys
• Usually cover multiple topics, a few are specialized
• Include all households, not just ones with agricultural holdings
• Identification of households with enterprises, including agriculture, could guide administration of supplementary modules
Copyright 2010, The World Bank Group. All Rights Reserved.
14
Household Surveys• Demographic and Health Survey (DHS)
• Core Welfare Indicator Questionnaire (CWIQ) surveys
• Living Standards Measurement Study (LSMS) surveys
• Household Budget surveys
• Education surveys
• Labor Force surveys
• Food security surveys
Copyright 2010, The World Bank Group. All Rights Reserved.
15
Labor Force Survey
• Household member characteristics
• Activity status
• Occupation, Industry and status in employment
• Time worked – may be expanded to time use
• Wages, salaries and income
Copyright 2010, The World Bank Group. All Rights Reserved.
16
• Designed to assist decision makers design and monitor socioeconomic policies
• Designed to improve household survey data and build statistical capacity
• Has been conducted in over 40 countries since 1980
LSMS
Source: Living Standards Measurement Study, The World Bank
Copyright 2010, The World Bank Group. All Rights Reserved.
17
• Basic crop production, storage and sales
• Productivity of main crops
• Land holdings
• Farming practices
• Input use and technology adoption
• Access to and use of services, infrastructure and natural resources
• Livestock • Fishery
LSMS – ISA
Source: Living Standards Measurement Study, The World Bank
Copyright 2010, The World Bank Group. All Rights Reserved.
18
Remote Sensing Technology
• Satellite imagery can assist in the stratification of land area– Can be combined with GIS sample frame
• Assist in crop area estimation
• Dissemination of data using GIS
Copyright 2010, The World Bank Group. All Rights Reserved.
19
Famine Early Warning System (FEWS)
• A system that integrates market information, crop assessments and satellite data to identify areas at risk of food insecurity.
• Objective is to provide data on areas of potential food insecurity in time for decision makers to act upon the information.
• More information can be found at www.few.net
Copyright 2010, The World Bank Group. All Rights Reserved.
20
Summary• Administrative records
• Agricultural surveys– Crop, livestock, farm management, cost of
production, and time use surveys
• Household surveys– Labor force, LSMS
• Remote sensing technology use
Copyright 2010, The World Bank Group. All Rights Reserved.
21
Section B Quiz1. What is the unit of enumeration for an
agricultural survey?2. Name two potential problems with
administrative data.3. What is the analytical advantage of collecting
agricultural data in a household survey?4. What does a post-harvest loss survey
measure?