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    Home / Food and Agriculture Microdata Catalogue / AGRICULTURE-CENSUS-SURVEYS / PHL_2016_QAS_V01_EN_M_V01_A_OCS
agriculture-census-surveys

Quarterly Aquaculture Survey 2016

Philippines, 2016
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Reference ID
PHL_2016_QAS_v01_EN_M_v01_A_OCS
Producer(s)
Philippine Statistics Authority (PSA)
Collections
Agriculture Census and Surveys
Metadata
Documentation in PDF DDI/XML JSON
Created on
May 11, 2020
Last modified
Jan 31, 2023
Page views
759
Downloads
118
  • Study Description
  • Downloads
  • Identification
  • Scope
  • Coverage
  • Producers and sponsors
  • Sampling
  • Data Collection
  • Data Processing
  • Access policy
  • Disclaimer and copyrights
  • Metadata production

Identification

Survey ID Number
PHL_2016_QAS_v01_EN_M_v01_A_OCS
Title
Quarterly Aquaculture Survey 2016
Country
Name Country code
Philippines PHL
Study type
Agricultural Survey [ag/oth]
Series Information
The Quarterly Aquaculture Survey (QAS) is a quarterly survey that generates aquaculture production and area estimates. It has been regularly conducted since 2002.
Abstract
Aquaculture fisheries is one of the three (3) sectors of fisheries, the others being commercial and municipal fisheries. Aquaculture fisheries cover different aquafarm types and environments, namely: a) Brackish water and fresh water fishpond; b) Brackish water, fresh water and marine pen and cage; c) Oyster, mussel and seaweed and; d) Other freshwater aquafarms like rice fish, small farm reservoir, etc.

The Quarterly Aquaculture Survey (QAS) is a quarterly survey that generates aquaculture production and area estimates. It asks for the actual level of production, area harvested and price for each species during the reference quarter of the current and previous year from the sample operators in the top producing municipalities. Fisheries outputs form part of the estimation for the performance of agriculture and eventually, of the national accounts for the generation of Gross Value Added (GVA), Gross National Product (GNP) and Gross Domestic Product (GDP).

The Quarterly Aquaculture Surveys (QAS) aims to generate accurate and timely information on quarterly production, area and price by aquafarm type and species at the provincial level.
Kind of Data
Sample survey data [ssd]
Unit of Analysis
Entreprises

Scope

Notes
The description of the survey includes production, area harvested and price by species of each aquafarm type. The information are asked during the current quarter and the same quarter of the previous year.
Topics
Topic Vocabulary
Economic statistics/Sectoral/Fishery Philippine Statistics Authority

Coverage

Geographic Coverage
National coverage
Universe
All aquafarms nationwide covering the following aquafarm type/environments:

a. Brackish water and fresh water fishpond
b. Brackish water, fresh water and marine pen and cage
c. Oyster, mussel and seaweed
d. Other fresh water aquafarms like rice fish, small farm reservoir, etc.

Producers and sponsors

Primary investigators
Name Affiliation
Philippine Statistics Authority (PSA) National Economic and Development Authority (NEDA)
Funding Agency/Sponsor
Name Abbreviation Role
Government of the Philippines GoP Full funding

Sampling

Sampling Procedure
The Quarterly Aquaculture Survey (QAqS) is a non-probability survey. Sampling was done by aquafarm type in the province. By aquafarm type, top producing municipalities are those with cumulative share of at least 80% to total area based on Aquaculture Farms Inventory (AqFI).

For each municipality, eight (8) sample aquafarms are selected if the number of aquafarms in the municipality is more than 25. If the number of aquafarms is less than 25, five (5) sample aquafarms are selected. A total of 6662 sample aquafarms were covered nationwide.
Response Rate
Response rate for quarterly aquaculture survey was 73%. This accounted for farms in operation and those without harvest during the reference period.
Weighting
This is a non-probability survey. As such, no weighing procedure is applied.

Data Collection

Dates of Data Collection
Start End Cycle
2016-03-21 2016-03-25 Quarter 1
2016-06-20 2016-06-24 Quarter 2
2016-09-19 2016-09-23 Quarter 3
2016-11-21 2016-11-25 Quarter 4
Data Collection Mode
Face-to-face paper [f2f]

Data Processing

Data Editing
Initially, the data is manually edited to ensure completeness and accuracy. During this stage, questionnaires are checked for completeness from the list of samples. For each of the questionnaires, entries should be complete and numeric entries are in proper unit of measurement and decimal places. After encoding, the entries are then again inspected and reviewed for completeness, accuracy and consistency with other items.

An Aquaculture Data Generation System (AquaDataGen) was developed using MS Excel 2013 for the data processing requirements of QAS. This system is decentralized in the provinces but regional and national summary can also be derived. The AquaDataGen has the facility for data entry, data review and validation.

Since the survey was done through interviews of key informants, validation of responses is needed. Additional information was gathered from interviews of people from government and non-government agencies and offices and other stakeholders in fisheries, for example, fish/seaweed traders and processors. Use of auxilliary information was also one way of validating data generated by the survey. Example of these are the programs of the Bureau of Fisheries and Aquatic Resources for uplifting the aquaculture sector, record of weather disturbances and provinces affected, and, existing fishery laws. Comparing current estimates with the time series data (aquaculture) was also one way of appraising survey results.

Access policy

Contacts
Name Affiliation Email URL
Chief, Knowledge Management and Communication Division Philippine Statistics Authority [email protected] www.psa.gov.ph
Chief, Fisheries Statistics Division Philippine Statistics Authority [email protected] www.psa.gov.ph
Confidentiality
The PSA and its field personnel shall hold all data supplied by the establishments/households/individuals in confidence. The information obtained from each respondent of the census/survey or individual/establishment in administrative records shall be for statistical purposes only and not for taxation, regulation nor investigation purposes. The data shall be processed with others of the same category and shall be disseminated in summary forms or statistical tables so as not to reveal the identity of any respondent. Confidentiality of primary data collected from respondents/administrative records systems is guaranteed by Section 26 of the Republic Act No.10625 (Philippine Statistics Act of 2013). Penalties shall be enforced to acts of breach of confidential information pursuant to Section 27 of the said Act.
Access conditions
See http://psada.psa.gov.ph/index.php/access-conditions

Disclaimer and copyrights

Disclaimer
The data users/researchers acknowledge that the PSA bears no liabilities and responsibilities for any particular, indirect, or consequential damages or any damages, whatsoever resulting from loss of use, or of data in connection with the use or for interpretations or inferences based upon such uses.

Metadata production

DDI Document ID
DDI_PHL_2016_QAS_v01_EN_M_v01_A_OCS_FAO
Producers
Name Abbreviation Affiliation Role
Office of the Chief Statistician OCS Food and Agriculture Organization Metadata adapted for FAM
Fisheries Statistics Division FSD Philippine Statistics Authority Documentation of the study
DDI Document version
PHL_2016_QAS_v01_EN_M_v01_A_OCS_v01
Back to Catalog
Food and Agriculture Organization of the United Nations

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