{"type":"survey","doc_desc":{"title":"PHL_2009_AqPS_v01_M","idno":"DDI_PHL_2009_AqPS_v01_M","producers":[{"name":"Reinelda P. Adriano","abbreviation":"RPA","affiliation":"Bureau of Agricultural Statistics","role":"Documentation of the study"},{"name":"Accelerated Data Program","abbreviation":"ADP","affiliation":"International Household Survey Network","role":"Editing for the IHSN Survey Catalog"}],"prod_date":"2010-03-24","version_statement":{"version":"Version 01: Adopted from \"DDI_PHL_2009_AQPS_v02_M\" DDI that was done by metadata producers mentioned in \"Metadata Production\" section."}},"study_desc":{"title_statement":{"idno":"PHL_2009_AqPS_v01_M","title":"Aquaculture Production Survey 2009","alt_title":"AqPS 2009"},"authoring_entity":[{"name":"Bureau of Agricultural Statistics (BAS)","affiliation":"Department of Agriculture"}],"oth_id":[{"name":"National Statistical Coordination Board (NSCB)","affiliation":"","email":"","role":"Provides survey clearance"}],"production_statement":{"copyright":"Copyright 2010 \u00a9 Bureau of Agricultural Statistics, All rights reserved.","funding_agencies":[{"name":"Bureau of Fisheries and Aquatic Resources","abbreviation":"BFAR","role":"Provides funds for the conduct of fisheries surveys"}]},"distribution_statement":{"contact":[{"name":"Chief, Fisheries Statistics Division","affiliation":"Bureau of Agricultural Statistics","email":"vaviloria@bas.gov.ph","uri":"www.bas.gov.ph"}]},"series_statement":{"series_name":"Agricultural Survey [ag\/oth]","series_info":"Fishpond was the only known type of aquafarm during the 50s and the 60s. Estimates were combined production from brackishwater and freshwater fishponds but mostly from the former. Data on area were taken from Fishpond Lease Agreement (FLA) issued by the  BFAR for government-leased fishponds, while data on area for privately-owned fishponds were obtained from survey made some years ago.  Annual production was estimated by multiplying the area of fishponds by the average productivity of fishponds by province.\n\nEstimates of the average productivity of fishponds per hectare per year by province were derived by the Fisheries Commission without the conduct of a survey.  There was no available data on area for brackishwater and freshwater fishponds separately. To determine the average productivity of fishponds by province and to replace the unreliable factors used in the estimation, 200 sample operators were interviewed.\n\nIn 1991, listing of all brackishwater fishpond operators was done nationwide under the Fishery Sector Program (FSP).  Meanwhile, listing of all other types of aquafarms was accomplished in 1992.  Semestral surveys of aquafarms in 56 provinces started in 1992. When the project ended in 1995, production indicators were taken from surveys of aquafarms from  14 to 27 major producing provinces. From early 2000 to present, aquaculture production growth was estimated based on quarterly surveys of top five (5) operators in top five (5)  municipalities in a province for each type of aquafarm.\n\nAquaculture production levels are benchmarked on data collected through the Aquaculture Production Survey (AqPS). Prior to this survey round, the last conduct of AqPS was the 4th quarter 2008 round.\n\nA slight modification in the sampling design was employed.  For this survey round, sample aquafarms were selected only from the municipalities with at least 80% cumulative share to provincial area.  This was done to simplify field operations and ensure that sample aquafarms from these municipalities were more or less productive."},"version_statement":{"version":"v1.0: edited at BAS Central Office, not anonymized","version_date":"2010-03-24"},"study_info":{"topics":[{"topic":"Food (production, crisis)","vocab":"World Bank","uri":""}],"abstract":"RATIONALE\nIn carrying out its responsibility of generating statistics on volume and value of aquaculture production, the Fisheries Statistics Division (FSD) of the Bureau of Agricultural Statistics (BAS) conducts probability and non-probability surveys.  The Quarterly Aquaculture Surveys (QAqS) is the non-probability survey conducted on a regular basis.  The survey design involves computing for the average percent change from the same quarter last year reported by the sample respondents and then applying the same to the provincial level same quarter last year estimate in order to derive the estimate for the current quarter.  The samples are taken from 5 X 5 sampling design, i.e., five (5) sample operators from top five (5) producing municipalities.  On the other hand, Aquaculture Production Survey (AqPS) generates the production estimates based on one-stage stratified sampling design.  Unfortunately, this probability survey is not financially sustainable on a quarterly basis.  It should be noted that estimates from the probability survey are intended as baseline data for computing the percent changes derived from non-probability survey.  Although quarterly estimates are subjected to a series of data review and analysis before final estimates are released, it is imperative to determine the levels of production estimates through a periodic probability survey. \n\n OBJECTIVES\n\nPrimarily, the Aquaculture Production Survey (AqPS) aims to generate statistics on volume and value of aquaculture production by province.\n\nSpecifically, it aims to gather information on:\n     a.   Volume and value of production by species cultured, by aquafarm type and by environment,\n     b.    area harvested; and\n     c.   management and culture system of the aquafarm.","time_periods":[{"start":"2009-07-31","end":"2009-09-30","cycle":"3rd Quarter"},{"start":"2009-10-01","end":"2009-12-31","cycle":"4th Quarter"}],"coll_dates":[{"start":"2009-11-30","end":"2009-12-11","cycle":""}],"nation":[{"name":"Philippines","abbreviation":"PHL"}],"geog_coverage":"National","geog_unit":"The domain of the study is province.","analysis_unit":"Aquafarm is the unit of analysis.","universe":"All aquafarm types.","data_kind":"Sample survey data [ssd]","notes":"The survey form gathers information on the following:\n\nAQUAFARM INFORMATION: Aquafarm area, aquafarm type, environment, management system and culture system\n\nPRODUCTION INFORMATION: Species, quantity stocked, area harvested, production and price.","study_scope":"The survey form gathers information on the following:\n\nAQUAFARM INFORMATION: Aquafarm area, aquafarm type, environment, management system and culture system\n\nPRODUCTION INFORMATION: Species, quantity stocked, area harvested, production and price."},"method":{"data_collection":{"data_collectors":[{"name":"Bureau of Agricultural Statistics","abbreviation":"BAS","affiliation":"Department of Agriculture"}],"sampling_procedure":"The AqPS adopts one-stage stratified sampling design.  By aquafarm type, all operators from municipalities with at least 80% cumulative share to total provincial aquafarm area are stratified into three (3) strata using area as the stratification variable. The boundary between strata is determined by the distribution of data.  If the number of aquafarms in a stratum is less than or equal to fifteen (15), all aquafarms shall be taken as sample.   Sample aquafarms shall be selected through systematic random sampling procedure.\n\nIn 2009, AqPS was conducted in 40 provinces contributing to at least 90% of the total production of each aquafarm type.","coll_mode":"Face-to-face [f2f]","research_instrument":"There were two (2) AqPS survey forms that were used depending on the type of aquafarm.  \n     AqPS Form 1 - for all aquafarm type except Oyster, Mussel and Seaweed\n     AqPS Form 2 - for Oyster, Mussel and Seaweed.\n     \nThe datasets for both forms were the same except for the following:\n     In Block II, management system was not applicable for Form 2.  There were different culture systems.\n     In Block III, quantity stocked was not applicable for Form 2.  Seaweed production information was by variety.","coll_situation":"The Contractual Data Collectors (CDCs) were hired to conduct the interview of the owner\/operator and\/or caretaker of the sample aquafarms using the survey forms.  Prior to data collection the CDCs were trained and supervised by the Provincial Agricultural Statistics Officer (PASO).  They were given assigned municipalities to cover.  BAS field staff were assigned to supervise the CDCs.","act_min":"The Provincial Agricultural Statistics Officer (PASO) provides the over-all supervision of data collection.  He trains data collectors, assigns area of coverage and schedules the data collection.  To ensure the smooth implementation of data collection, the PASO conducts spot checking and back checking activities.  The Regional Agricultural Statistics Officer (RASO) may also provide another level of supervision.  And sometimes, Central Office personnel may be available to provide support and control of the said activities.","weight":"Aquafarm weights were computed as the quotient of total number of aquafarms and number of sample aquafarms in the stratum.","cleaning_operations":"Initially, the survey returns are manually edited to ensure completeness and accuracy.  During this stage, survey returns are checked for completeness from the list of samples.  For each of the survey forms, entries should be complete and numeric entries are in proper unit of measurement and decimal places.  \n\nAfter encoding, the entries are then again inspected and reviewed for completeness, accuracy and consistency with other items.","method_notes":"The AqPS Data Processing Worksheet was developed using MS Excel 2003 to process the AqPS survey returns.  The results were then encoded via the Aquaculture Data Generation System (AquaDataGen).  The AquaDataGen was developed for the data processing requirements of Quarterly Aquacutlure Survey (QAqS).  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."},"analysis_info":{"response_rate":"Response rate is not available.","sampling_error_estimates":"Not available."}},"data_access":{"dataset_use":{"conf_dec":[{"txt":"The Bureau of Agricultural Statistics (BAS) strictly observes the confidentiality of data.  As stated in the BAS' survey questionnaires and the forms relevant to the conduct of any statistical inquiry, data provided by the respondents shall be used solely for statistical purposes.","required":"yes","form_no":"","uri":""}],"contact":[{"name":"Romeo S. Recide","affiliation":"BAS","email":"rsrecide@bas.gov.ph","uri":"www.bas.gov.ph"}],"cit_req":"As specified in the agreement under access conditions, users are required to cite the source of data in accordance with the citation requirement provided with the dataset. The citation requirement for this study is as follows:\n\n\"Bureau of Agricultural Statistics, Quarterly Aquaculture Survey, Version 1 of the licensed dataset (August 31, 2009), provided by the BAS Electronic Archiving and Network Services. http:\/\/beans.bas.gov.ph\"","conditions":"The datasets of this study are categorized under licensed files.  Access to licensed datasets is through request and is only granted to Data Users\/Researchers with a legally registered sponsoring agency (university, company, research centre, national or international organization, etc.). \n\nThe Data Users\/Researchers must agree to comply with the following:\n\n1. Fill up a Data Access Agreement that will be provided.\n2. Copies of the restricted data or any data created on the basis of the original data will not be copied or made      available to anyone other than those mentioned in this Data Access Agreement, unless formally authorized by the BAS.\n3. The data will only be processed for the stated statistical purpose in the agreement and not for investigation of specific individuals or organizations. Data will not in any way be used for any administrative, proprietary or law enforcement purposes.\n4. The dataset must not be made to match with other datasets. \n5. The Data Users\/Researchers shall not attempt to identify any individual person, family, business, enterprise or organization. If such a unique disclosure is made inadvertently, no use wil be made as to the identity of any person or establishment discovered.  The identification will not be revealed to any other person not included in the Data Access Agreement.\n6. The Data Users\/Researchers must observe security measures to prevent unauthorized access to licensed microdata acquired from the BAS. The microdata must be destroyed upon the completion of their research. Destruction of the microdata will be confirmed in writing by the Data Users\/Researchers to the BAS. \n7. Any books, articles, conference papers, theses, dissertations, reports, or other publications that employ data obtained from the BAS\/BAS Electronic Archiving and Network Services (BEANS) will cite the source of data in accordance with the citation requirement provided with the dataset.\n8. If there are any changes or additional requirements in the orginal request, the Data User\/Researcher must apply for another request. \n9. Breaches of the Data Access Agreement will be taken seriously and the BAS will take action against those responsible for the lapses if wilful or accidental. Failure to comply with the directions of the BAS will be deemed to be a major breach of the agreement and may involve recourse to legal proceedings. The BAS will maintain and share with partner data archives a record of those individuals and organizations which are responsible for breaching the terms of the Data Access Agreement and will impose sanctions on release of future data to these parties.","disclaimer":"The data users\/researchers acknowledge that the BAS and the agency funding the study bear 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."}}},"data_files":[{"file_id":"F1","file_name":"AqPS","description":"The file contains production, area and price during the two quarters covering the reference semester.  Records are categorized by aquafarm type and species while the respondents were identified by municipality and aquafarm serial number.","case_count":"0","var_count":"22","producer":null,"data_checks":null,"missing_data":null,"version":null,"notes":null}],"variables":[{"vid":"V1","name":"year","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"1","var_end_pos":"4","var_width":"4","var_rec_seg_no":"1","labl":"Year","var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Reference year","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V2","name":"quarter","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"5","var_end_pos":"5","var_width":"1","var_rec_seg_no":"1","labl":"Quarter","var_val_range":[{"units":"REAL","min":"1","max":"4"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Reference quarter","var_catgry":[{"value":"1","labl":"Quarter 1","stats":null,"type":null},{"value":"2","labl":"Quarter 2","stats":null,"type":null},{"value":"3","labl":"Quarter 3","stats":null,"type":null},{"value":"4","labl":"Quarter 4","stats":null,"type":null}],"var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V3","name":"region","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"6","var_end_pos":"7","var_width":"2","var_rec_seg_no":"1","labl":"Region","var_qstn_qstnlit":"Region","var_qstn_ivulnstr":"Write the region name on the space provided.  Enter the corresponding code in the box provided.","var_val_range":[{"units":"REAL","min":"1","max":"17"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Region covered","var_catgry":[{"value":"1","labl":"ILOCOS REGION","stats":null,"type":null},{"value":"2","labl":"CAGAYAN VALLEY","stats":null,"type":null},{"value":"3","labl":"CENTRAL LUZON","stats":null,"type":null},{"value":"4","labl":"CALABARZON","stats":null,"type":null},{"value":"5","labl":"BICOL REGION","stats":null,"type":null},{"value":"6","labl":"WESTERN VISAYAS","stats":null,"type":null},{"value":"7","labl":"CENTRAL VISAYAS","stats":null,"type":null},{"value":"8","labl":"EASTERN VISAYAS","stats":null,"type":null},{"value":"9","labl":"ZAMBOANGA PENINSULA","stats":null,"type":null},{"value":"10","labl":"NORTHERN MINDANAO","stats":null,"type":null},{"value":"11","labl":"DAVAO REGION","stats":null,"type":null},{"value":"12","labl":"SOCCSKSARGEN","stats":null,"type":null},{"value":"13","labl":"CARAGA","stats":null,"type":null},{"value":"14","labl":"ARMM","stats":null,"type":null},{"value":"15","labl":"CAR","stats":null,"type":null},{"value":"16","labl":"NCR","stats":null,"type":null},{"value":"17","labl":"MIMAROPA","stats":null,"type":null}],"var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V4","name":"province","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"8","var_end_pos":"9","var_width":"2","var_rec_seg_no":"1","labl":"Province","var_qstn_qstnlit":"Province","var_qstn_ivulnstr":"Write the province name on the space provided.  Enter the corresponding code in the box provided.","var_val_range":[{"units":"REAL","min":"1","max":"87"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Province covered","var_catgry":[{"value":"1","labl":"ABRA","stats":null,"type":null},{"value":"2","labl":"AGUSAN DEL NORTE","stats":null,"type":null},{"value":"3","labl":"AGUSAN DEL SUR","stats":null,"type":null},{"value":"4","labl":"AKLAN","stats":null,"type":null},{"value":"5","labl":"ALBAY","stats":null,"type":null},{"value":"6","labl":"ANTIQUE","stats":null,"type":null},{"value":"7","labl":"BASILAN","stats":null,"type":null},{"value":"8","labl":"BATAAN","stats":null,"type":null},{"value":"10","labl":"BATANGAS","stats":null,"type":null},{"value":"11","labl":"BENGUET","stats":null,"type":null},{"value":"12","labl":"BOHOL","stats":null,"type":null},{"value":"13","labl":"BUKIDNON","stats":null,"type":null},{"value":"14","labl":"BULACAN","stats":null,"type":null},{"value":"15","labl":"CAGAYAN","stats":null,"type":null},{"value":"16","labl":"CAMARINES NORTE","stats":null,"type":null},{"value":"17","labl":"CAMARINES SUR","stats":null,"type":null},{"value":"18","labl":"CAMIGUIN","stats":null,"type":null},{"value":"19","labl":"CAPIZ","stats":null,"type":null},{"value":"20","labl":"CATANDUANES","stats":null,"type":null},{"value":"21","labl":"CAVITE","stats":null,"type":null},{"value":"22","labl":"CEBU","stats":null,"type":null},{"value":"23","labl":"DAVAO DEL NORTE","stats":null,"type":null},{"value":"24","labl":"DAVAO DEL SUR","stats":null,"type":null},{"value":"25","labl":"DAVAO ORIENTAL","stats":null,"type":null},{"value":"26","labl":"EASTERN SAMAR","stats":null,"type":null},{"value":"27","labl":"IFUGAO","stats":null,"type":null},{"value":"28","labl":"ILOCOS NORTE","stats":null,"type":null},{"value":"29","labl":"ILOCOS SUR","stats":null,"type":null},{"value":"30","labl":"ILOILO","stats":null,"type":null},{"value":"31","labl":"ISABELA","stats":null,"type":null},{"value":"32","labl":"KALINGA","stats":null,"type":null},{"value":"33","labl":"LA UNION","stats":null,"type":null},{"value":"34","labl":"LAGUNA","stats":null,"type":null},{"value":"35","labl":"LANAO DEL NORTE","stats":null,"type":null},{"value":"36","labl":"LANAO DEL SUR","stats":null,"type":null},{"value":"37","labl":"LEYTE","stats":null,"type":null},{"value":"38","labl":"MAGUINDANAO","stats":null,"type":null},{"value":"40","labl":"MARINDUQUE","stats":null,"type":null},{"value":"41","labl":"MASBATE","stats":null,"type":null},{"value":"42","labl":"MISAMIS OCCIDENTAL","stats":null,"type":null},{"value":"43","labl":"MISAMIS ORIENTAL","stats":null,"type":null},{"value":"44","labl":"MT. 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Enter the corresponding code in the box provided.","var_val_range":[{"units":"REAL","min":"1","max":"99"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Sample municipality","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V6","name":"brgy","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"12","var_end_pos":"14","var_width":"3","var_rec_seg_no":"1","labl":"Barangay","var_qstn_qstnlit":"Barangay","var_qstn_ivulnstr":"Write the barangay on the space provided.  Enter the corresponding code in the box provided.","var_val_range":[{"units":"REAL","min":"1","max":"999"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Sample barangay","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V7","name":"asn","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"15","var_end_pos":"18","var_width":"4","var_rec_seg_no":"1","labl":"Aquafarm serial number","var_qstn_qstnlit":"Aquafarm serial number","var_qstn_ivulnstr":"Enter the aquafarm serial number in the box provided.","var_val_range":[{"units":"REAL","min":"1","max":"9999"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Sample aquafarm","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V8","name":"atype","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"19","var_end_pos":"19","var_width":"1","var_rec_seg_no":"1","labl":"Aquafarm type","var_qstn_qstnlit":"Aquafarm type","var_qstn_ivulnstr":"Cross out (X) the box corresponding to the type of aquafarm operation.","var_val_range":[{"units":"REAL","min":"1","max":"13"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Aquafarm is the farming facilities used in the culture or propagation of aquatic species including fish, mollusk, crustaceans and aquatic plants for purposes of rearing to enhance production.\n\nAquafarm type includes the environment and type of the aquafarm.\n\nThe following are the aquafarm types:\nBrackishwater fishpond\nBrackishwater fish pen\nBrackishwater fish cage\nFreshwater fishpond\nFreshwater fish pen\nFreshwater fish cage\nMarine fish pen\nMarine fish cage\nOyster\nMussel\nSeaweed\nRice fish\nSmall farm reservoir (SFR)","var_catgry":[{"value":"1","labl":"BRACKISHWATER FISHPOND","stats":null,"type":null},{"value":"2","labl":"BRACKISHWATER FISH PEN","stats":null,"type":null},{"value":"3","labl":"BRACKISHWATER FISH CAGE","stats":null,"type":null},{"value":"4","labl":"FRESHWATER FISHPOND","stats":null,"type":null},{"value":"5","labl":"FRESHWATER FISH PEN","stats":null,"type":null},{"value":"6","labl":"FRESHWATER FISH CAGE","stats":null,"type":null},{"value":"7","labl":"MARINE FISH PEN","stats":null,"type":null},{"value":"8","labl":"MARINE FISH CAGE","stats":null,"type":null},{"value":"9","labl":"OYSTER","stats":null,"type":null},{"value":"10","labl":"MUSSEL","stats":null,"type":null},{"value":"11","labl":"SEAWEED","stats":null,"type":null},{"value":"12","labl":"RICE FISH","stats":null,"type":null},{"value":"13","labl":"SFR","stats":null,"type":null}],"var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V9","name":"stratum","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"20","var_end_pos":"20","var_width":"1","var_rec_seg_no":"1","labl":"Stratum","var_qstn_qstnlit":"Stratum","var_qstn_ivulnstr":"Enter the number in the space provided for.","var_val_range":[{"units":"REAL","min":"1","max":"3"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Stratum is a number assigned in an aquafarm based on its homogeneous grouping from the frame,","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V10","name":"exfac1N","file_id":"F1","var_dcml":"0","var_intrvl":"contin","var_start_pos":"21","var_end_pos":"23","var_width":"3","var_rec_seg_no":"1","labl":"Expansion factor (N)","var_qstn_qstnlit":"Expansion factor N","var_qstn_ivulnstr":"Enter N corresponding to the stratum.","var_val_range":[{"units":"REAL","min":"1","max":"999"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"For purposes of this activity, expansion factor was derived as the quotient of number of total aquafarms (N) and the number of sample aquafarms (n) in the stratum.  These figures are necessary in estimating the area and production of the province as indicated in the estimation procedure.","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V11","name":"exfac2n","file_id":"F1","var_dcml":"0","var_intrvl":"contin","var_start_pos":"24","var_end_pos":"26","var_width":"3","var_rec_seg_no":"1","labl":"Expansion factor (n)","var_qstn_qstnlit":"Expansion factor n","var_qstn_ivulnstr":"Enter N corresponding to the stratum.","var_val_range":[{"units":"REAL","min":"1","max":"999"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"For purposes of this activity, expansion factor was derived as the quotient of number of total aquafarms (N) and the number of sample aquafarms (n) in the stratum.  These figures are necessary in estimating the area and production of the province as indicated in the estimation procedure.","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V12","name":"area","file_id":"F1","var_dcml":"4","var_intrvl":"contin","var_start_pos":"27","var_end_pos":"34","var_width":"8","var_rec_seg_no":"1","labl":"Area of aquafarm","var_qstn_qstnlit":"Aquafarm area","var_qstn_ivulnstr":"Ask the total area of the sample aquafarm in hectare and enter in four (4) decimal places.","var_val_range":[{"units":"REAL","min":"1","max":"25"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Area of aquafarm","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V13","name":"mngt","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"35","var_end_pos":"35","var_width":"1","var_rec_seg_no":"1","labl":"Management system","var_qstn_qstnlit":"Management system","var_qstn_ivulnstr":"Ask the management system and cross out (X) the box corresponding to the response.","var_val_range":[{"units":"REAL","min":"1","max":"3"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"The following are the types of management system:\n\n1  Extensive.  Refers to a system where stocking rate ranges from 3,000 pcs to 5,000 pcs\/ha for milkfish.  1-15 pcs\/sq.m. for shrimps.  The cultured species depend completely on natural food propagated in the pond with or without fertilization and depends solely on tidal water exchange.\n\n2.  Semi-intensive.  Refers to a system where stocking rate ranges from 16-25 pcs.\/sq.m. for shrimps and from 5,001 to 20,000 for milkfish and 40,000 to 80,000\/ha for tilapia. This requires supplementary feeding of commercial pellets, trash fish, etc. aside from the natural food propagated in it. Water pumps are used aside from the tidal water and paddle wheels as aerators.\n\n3. Intensive.  Refers to a system where ponds are smaller about 1,000 to 5,000 sq m; stocking rate ranges from for 26-40 pcs\/sq.m. shrimps from 20,001 to 50,000\/ha for bangus. The high stocking could only be supported through major inputs such as formulated feeds mostly in pellet form.  Water exchange is done through pumps and paddle wheels are also needed for aeration purposes.","var_catgry":[{"value":"1","labl":"EXTENSIVE","stats":null,"type":null},{"value":"2","labl":"SEMI-INTENSIVE","stats":null,"type":null},{"value":"3","labl":"INTENSIVE","stats":null,"type":null}],"var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V14","name":"cult","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"36","var_end_pos":"37","var_width":"2","var_rec_seg_no":"1","labl":"Culture system","var_qstn_qstnlit":"Culture method","var_qstn_ivulnstr":"Ask the culture system and mark  \u201cX\u201d the box of the appropriate answer.","var_val_range":[{"units":"REAL","min":"11","max":"34"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"The following are the types of culture system:\n\nFOR FISHPOND, PEN AND CAGE\n\n1. Monoculture.  Refers to the culture of single species in one compartment\n\n2. Polyculture.  Refers to the culture of two or more species in one compartment\n\n3. Others.  Refers to other culture systems not classified above. \n\nFOR OYSTER AND MUSSEL\n\n1. Staking.  A culture method where bamboo poles either whole or halved are driven into the bottom where the water is not less than 1 meter deep during the lowest tide. These are aligned and spaced at 1 to 2 feet. The bamboo poles act as collectors\n\n2. Hanging.  An off-bottom method of culture that is suitable in relatively deeper waters of at least 2.5 meters depth during the lowest tide.  Empty oyster shells or coconut shells are used as collectors. The shells are hung to a meter of no. 10 galvanized iron wire having a space of about 4 inches by a loop on the wire\n\n3. Spreading.  This culture method makes use of stones, gravels, empty oyster shells, and other media as collectors. These are positioned in hard bottom areas where natural populations of oysters\/mussels are known to occur\n\n4.  Others\n\nFOR SEAWEED\n\n1. Bottom monoline.  Monolines are constructed by the use of mangrove post or wooden stakes anchored\/staked deep into the substrate at 10 meters apart and 32-cm. interval in rows. \n\n2.  Floating monoline.  A method where a raft or longlines can be constructed in any way feasible as long as it will buoy up the line with plants, which are at least 30-cm. submerged in water.\n\n3. Triangular. This method uses polyethylene rope #12 as cultivation line fixed five meters from the bottom through a wooden stake embedded firmly to the seabed.  A rope of smaller size (#7) is used to construct a triangle\n\n4. Others.","var_catgry":[{"value":"11","labl":"MONOCULTURE","stats":null,"type":null},{"value":"12","labl":"POLYCULTURE","stats":null,"type":null},{"value":"13","labl":"OTHERS","stats":null,"type":null},{"value":"21","labl":"STAKING","stats":null,"type":null},{"value":"22","labl":"HANGING","stats":null,"type":null},{"value":"23","labl":"SPREADING","stats":null,"type":null},{"value":"24","labl":"OTHERS","stats":null,"type":null},{"value":"31","labl":"BOTTOM MONOLINE","stats":null,"type":null},{"value":"32","labl":"FLOATING MONOLINE","stats":null,"type":null},{"value":"33","labl":"TRIANGULAR","stats":null,"type":null},{"value":"34","labl":"OTHERS","stats":null,"type":null}],"var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V15","name":"species","file_id":"F1","var_dcml":"0","var_intrvl":"discrete","var_start_pos":"38","var_end_pos":"39","var_width":"2","var_rec_seg_no":"1","labl":"Species","var_qstn_qstnlit":"Species","var_qstn_ivulnstr":"Enter the species and the corresponding species code","var_val_range":[{"units":"REAL","min":"1","max":"22"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Species cultured","var_catgry":[{"value":"1","labl":"MILKFISH","stats":null,"type":null},{"value":"2","labl":"TIGER PRAWN","stats":null,"type":null},{"value":"3","labl":"TILAPIA","stats":null,"type":null},{"value":"4","labl":"CARP","stats":null,"type":null},{"value":"5","labl":"CATFISH","stats":null,"type":null},{"value":"6","labl":"CAVALLA","stats":null,"type":null},{"value":"7","labl":"ENDEAVOR PRAWN","stats":null,"type":null},{"value":"8","labl":"GROUPER","stats":null,"type":null},{"value":"9","labl":"MUDCRAB","stats":null,"type":null},{"value":"10","labl":"MUDFISH","stats":null,"type":null},{"value":"11","labl":"POMFRET","stats":null,"type":null},{"value":"12","labl":"SEABASS","stats":null,"type":null},{"value":"13","labl":"SEARGENT FISH","stats":null,"type":null},{"value":"14","labl":"SHOVEL-NOSED LOBSTER","stats":null,"type":null},{"value":"15","labl":"SIGANID","stats":null,"type":null},{"value":"16","labl":"SNAPPER","stats":null,"type":null},{"value":"17","labl":"SPINY LOBSTER","stats":null,"type":null},{"value":"18","labl":"SURGEON FISH","stats":null,"type":null},{"value":"19","labl":"WHITE SHRIMP","stats":null,"type":null},{"value":"20","labl":"FRESHWATER PRAWN","stats":null,"type":null},{"value":"21","labl":"P. VANNAMEI","stats":null,"type":null},{"value":"22","labl":"SEA URCHIN","stats":null,"type":null}],"var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V16","name":"stock","file_id":"F1","var_dcml":"1","var_intrvl":"contin","var_start_pos":"40","var_end_pos":"47","var_width":"8","var_rec_seg_no":"1","labl":"Quantity stocked","var_qstn_qstnlit":"Quantity stocked","var_qstn_ivulnstr":"Record the quantity stocked in one (1) decimal place.","var_val_range":[{"units":"REAL","min":"1","max":"100"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Usual quantity stocked in '000 pieces of fry or fingerlings.","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V17","name":"areaq1","file_id":"F1","var_dcml":"4","var_intrvl":"contin","var_start_pos":"48","var_end_pos":"55","var_width":"8","var_rec_seg_no":"1","labl":"Area harvested Qtr 1","var_qstn_qstnlit":"Area harvested","var_qstn_ivulnstr":"Ask the area of the aquafarm harvested during the reference quarter and enter in four (4) decimal places.","var_val_range":[{"units":"REAL","min":"1","max":"25"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Area harvested during the first quarter of the reference semester.","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V18","name":"prodq1","file_id":"F1","var_dcml":"3","var_intrvl":"contin","var_start_pos":"56","var_end_pos":"63","var_width":"8","var_rec_seg_no":"1","labl":"Production Qtr 1","var_qstn_qstnlit":"Production","var_qstn_ivulnstr":"Enter the reported production in three (3) decimal places, hectare unit.","var_val_range":[{"units":"REAL","min":"1","max":"100000"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Quantity of species produced during the first quarter of the reference semester.","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V19","name":"priceq1","file_id":"F1","var_dcml":"2","var_intrvl":"contin","var_start_pos":"64","var_end_pos":"71","var_width":"8","var_rec_seg_no":"1","labl":"Price Qtr 1","var_qstn_qstnlit":"Price","var_qstn_ivulnstr":"Record price in two (2) decimal places, peso unit.","var_val_range":[{"units":"REAL","min":"1","max":"500"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Price is the amount received from the first point of sale.","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V20","name":"areaq2","file_id":"F1","var_dcml":"4","var_intrvl":"contin","var_start_pos":"72","var_end_pos":"79","var_width":"8","var_rec_seg_no":"1","labl":"Area harvested Qtr 2","var_qstn_qstnlit":"Area harvested","var_qstn_ivulnstr":"Ask the area of the aquafarm harvested during the reference quarter and enter in four (4) decimal places.","var_val_range":[{"units":"REAL","min":"1","max":"25"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Area harvested during the second quarter of the reference semester.","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V21","name":"prodq2","file_id":"F1","var_dcml":"3","var_intrvl":"contin","var_start_pos":"80","var_end_pos":"87","var_width":"8","var_rec_seg_no":"1","labl":"Production Qtr 2","var_qstn_qstnlit":"Production","var_qstn_ivulnstr":"Enter the reported production in three (3) decimal places, hectare unit.","var_val_range":[{"units":"REAL","min":"1","max":"100000"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Quantity of species produced during the first quarter of the reference semester.","var_format":"numeric","var_format_schema":"other","fid":"F1"},{"vid":"V22","name":"priceq2","file_id":"F1","var_dcml":"2","var_intrvl":"contin","var_start_pos":"88","var_end_pos":"95","var_width":"8","var_rec_seg_no":"1","labl":"Price Qtr 2","var_qstn_qstnlit":"Price","var_qstn_ivulnstr":"Record price in two (2) decimal places, peso unit.","var_val_range":[{"units":"REAL","min":"1","max":"500"}],"var_sumstat":[{"value":"0","type":"vald"},{"value":"0","type":"invd"}],"var_txt":"Price is the amount received from the first point of sale.","var_format":"numeric","var_format_schema":"other","fid":"F1"}],"variable_groups":[]}