Vineyard (vit)

National Reference Metadata in ESS Standard for Quality Reports Structure (ESQRS)

Compiling agency: Ministry of Agriculture, Food and Forestry


Eurostat metadata
Reference metadata
1. Contact
2. Statistical presentation
3. Statistical processing
4. Quality management
5. Relevance
6. Accuracy and reliability
7. Timeliness and punctuality
8. Coherence and comparability
9. Accessibility and clarity
10. Cost and Burden
11. Confidentiality
12. Comment
Related Metadata
Annexes (including footnotes)
 



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1. Contact Top
1.1. Contact organisation

Ministry of Agriculture, Food and Forestry
1.2. Contact organisation unit

Agrostatistics Department 
1.5. Contact mail address

55, Hristo Botev Blvd


2. Statistical presentation Top
2.1. Data description

The vineyard data set includes data on the structure of vineyards in the European Union. It covers the holdings growing vines intended to produce grapes for other purposes than table grapes or growing plants for vegetative propagation of before mentioned vines and the area covered by these vines.  The data concerns the vine types, degree of specialisation of vine-grower holdings, main varieties of grapes and age of plants. Some indicators are collected at national level, others a NUTS2 level. The data are extracted from the vineyard register. The Member States, which have more than 500 ha of vines for other purpose than table grape production need to collect the data.

The reference year of the data described in this report is the year 2020.
2.2. Classification system

The classification system used in the vineyard data has several dimensions:  type of vineyards, degree of specialisation of the holding, main varieties (> 500 ha t national level), age of plants and size classes of holdings. More information can be found in the Handbook.
2.3. Coverage - sector

Growing of grapes for other purposes than table grapes (mainly for wine, juice, raisins) (part of NACE rev.  2 classification of A01.21: growing of grapes) and plant propagation for vines (part of NACE rev.  2 classification of A01.30: plant propagation).
2.4. Statistical concepts and definitions

Statistical characteristics of observations

Number of holding,

Area,

Size class of area,

Age classes of vineyard,

Main vine varieties,

Colour of the grape,

Type of production – for PDO, PGI and other wines
Is there a national legislation covering structural vineyard statistics? NO
Name of the legislation
If yes, provide a link
Scope and coverage of the legislation
Responsable organisation for the legislation
Precision requirements 
Does the national legal frame foresee the use of the vineyard register?  NO
2.5. Statistical unit

Under Regulation 1337/2011 (EU), the observed statistical units are holdings in the vineyard register, growing vines for purposes other than the production of table grapes.
2.6. Statistical population

44289 holdings registered in the vineyard register.
2.7. Reference area

The country covered by these statistics is Bulgaria
2.8. Coverage - Time

When was the first (regular) structural vineyard survey / data collection organised?

2009
Frequency of the data collection (if there was one) before 1979 or before EU membership?

No sush a survey has been conducted before 1979 and before EU membership.
If not regularly, in which years the vineyards have been surveyed ?

2009
2.9. Base period

31.07.2020


3. Statistical processing Top

We used available data from the vineyard register. For the purposes of the Vineyard structure survey the information from the Register was summarized, processed and structured, as required by the Regulation (EU) № 887/2014 to fill in the tables. The filled in data concerning area under vines, broken down by designation: for production of wines with a protected designation of origin (PDO), wines with protected geographical indication (PGI) and other wines by variety, year of planting and area.
3.1. Source data

Is the register maintained at national or regional level? National                                
  Register 1 Register 2 Register 3 Register 4 Register 5 Register 6 Register 7 Register 8 Register 9 Register 10 Register 11 Register 12 Register 13 Register 14 Register 15 Register 16 Register 17
Name of the register(s)

Vineyard register
Data owner (organisation)

Executive agency on vine and wine (EAVW)
Contact information of the register authority (email and phone number)

e-mail: sofia@eavw.com

Tel: +359 2 9708 111
Legal basis

Law on wine and spirits
Does the register contain parcel level data? YES
Are the parcels belonging to the same holder grouped under the same holding-id in the register? YES
Is the holding geo-referenced with co-ordinates? Yes, at parcel level
How is the vineyard holding identified in the register? Unique ID of holding
Were all variables taken from vineyard register? YES
If no, which variables were not taken from the register?
Why were they not taken from the register?
For what purpose the ancillary data sources were used?
If other, which was the purpose?


Were other ancillary data sources used? NO  
If yes, which ones? Data source  Type of data source
Name of the data source 1
Name of the data source 2
Name of the data source 3


Additional comments
3.2. Frequency of data collection

The structural statistics on vineyards governed by Regulation (EU) No 1337/2011 are collected every 5 years. The first data collection took place in 2015. The second and last one was carried out in 2020. A survey was carried out in 2009 under the Council Regulation (EEC) № 357/79 on statistics.
3.3. Data collection

How easy was it  to get access to the vineyard register data (administrative access)?  
The data provider has direct constant access to the vineyard register
Access was granted upon a simple request
Access was granted after some negotiations
Access was granted after lenthy negotiations 
Access was not granted
Were the data from the vineyard register integrated into a statistical holding register? NO
If not, what were the reasons for not doing that?  
There was no need for such an operation
It was not technically possible because of lack of common identifier
It was not feasible due to data protection issues
It was considered too expensive
Other reasons


Additional comments
3.4. Data validation

Which kind of data validation measures are in place? Manual
What do they target?  
Unit completeness
Item completeness
Valid value
Time series ranges (outlier detection)
Relational checks between characteristics
Arithmetic calculations (e.g. correctness of aggregates)
Others
Is the data cross-validated against another dataset? YES
If yes, which dataset?  
Previous results of vineyard statistics
Annual crop statistics area data
FSS data 
Other dataset

IACS


Additional comments
3.5. Data compilation

Not available
3.6. Adjustment

Not applicable


4. Quality management Top

The contents of the vineyard register have been examined and found to meet the requirements of Regulation (EU) № 1337/2011 with few exceptions. 

The register does not contain information on the young vines not yet in production, but it does contain the planting year.

The vineyard register does not contain information on holdings with area under vines for the production of raisins. Тhe area under vineyards for raisins in Bulgaria is small. This characteristic is not important for the country.
4.1. Quality assurance

Is there a quality management process in place for vineyard statistics? YES
If yes, what are the components?

The data obtained from EAVW was discussed, examined (comparison of categories and sub-categories, time frames, periods and scope covered incl.) And validated at expert level. The EAVW experts were informed timely in order to remove some inconsistencies and technical errors for data update.
Was the authority responsible for the vineyard register involved in the quality assurance of the vineyard data? YES
If yes, which data quality improvement actions were proposed to be done to the vineyard register?  
Improvement of coverage of the register (elimination of over-coverage)
Improvement of the coverage of the register (elimination of under-coverage)
Elimination of multiple listings
More frequent updates
Inclusion of new characteristics in the register
Improving the identification of the holding
Other improvement actions

A project to improve the quality of the vineyard register is currently being implemented, through which the quality of the data should be improved.
   
Is there a Quality Report available? NO
If yes, please provide a link
   
Has a peer-review been carried out for vineyard statistics? NO
If yes, which were the main conclusions?
What quality improvement measures are planned for the next 5 years?  
Improvement of the vineyard register
Improvement of data validation
Further automation
Quality Report
Peer review
Other


Additional comments
4.2. Quality management - assessment

   Grading  Comments
How would you describe the overall quality of the structural vineyard statistics?  Good

The vine and wine register maintains information, which complies with the requirements of the European statistical indicators of vineyards in accordance with Regulation (EC) № 1337/2011 of the European Parliament and the Council. In the vineyard register there is no reference whether vineyards are maintained on an annual basis or not. The vineyards are removed from the Register after the owner submits a declaration/application for change of use. The tables contain data on abandoned area. 

 
How would you describe the relevance of the structural vineyard statistics?  Good

The register does not contain information on holdings with areas under vines for the production of raisins.
How would you describe the accuracy of the structural vineyard statistics?  Satisfactory

The vineyard register contains area under abandoned vineyards that are not maintained.

Young vines not yet in production are determined by the year of planting. 

 
How would you describe the comparability of the structural vineyard statistics with other agricultural statistics, e.g. FSS and Annual Crop Statistics?  Good

The definition for vineyard holding in the vineyard register coincides with the statistical definition for vineyard holding. The register includes all holdings producing wine grape varieties, regardless the destination – for sale or own consumption.

The threshold for registration in the vineyard register is similar to the threshold set in IFS - 0.1 ha.

The data from the vineyard register is processed in accordance with the requirements of the Manual on the vineyard structure.The location of large farms with activity in more than one region is determined by the largest area. And for structural vineyard statistics in Tables 1 and 4 are reported in the corresponding NUTS2. 

The Annual Crop Statistics data, Table 4 are by location of the vineyards, and in Table 3 only the harvested area is reported.
How would you describe the coherence (over time) of the structural vineyard statistics?  Good

The data 2009 was collected via statistical census, from 2015 till now the data is from administrative register.

 
How would you describe the coherence (across regions in your country) of the structural vineyard statistics?  Very good

 

 

 

 
How would you describe the accessibility of the structural vineyard statistics?  Very good
How would you describe the clarity of the structural vineyard statistics?  Very good


Additional comments


5. Relevance Top

Administrative data
5.1. Relevance - User Needs

Is the structural vineyard data necessary at national level? YES
Does Regulation 1337/2011 meet the national structural vineyard data needs? YES
If not, did you add additional characteristics which are needed at national level added to the EU-level list of characteristics? NO
If yes, which ones?

 

 

 
Are there further known unmet user needs? NO
If yes, describe the unmet needs


Additional comments
5.2. Relevance - User Satisfaction

Has a user satisfaction survey been done? NO
If yes, how satisfied were the users?


Additional comments
5.3. Completeness

Is the vineyard data set complete? YES
If not, which characteristics are missing?


Are all main varieties (> 500ha at natioanl level) listed by name in Table 4? YES  
If not, give the name and area of the main varieties included in class other main red grape varieties Name Area (ha) 
Variety 1
Variety 2
Variety 3
Variety 4
Variety 5
Variety 6
Variety 7
Variety 8
Variety 9
Variety 10
If not, give the name and area of the main varieties included in class other main white grape varieties Name Area (ha) 
Variety 1
Variety 2
Variety 3
Variety 4
Variety 5
Variety 6
Variety 7
Variety 8
Variety 9
Variety 10
If not, give the name and area of the main varieties included in class other main other colour  grape varieties Name Area (ha) 
Variety 1
Variety 2
Variety 3
Variety 4
Variety 5
Variety 6
Variety 7
Variety 8
Variety 9
Variety 10


Additional comments
5.3.65. Data completeness - rate

Not available.


6. Accuracy and reliability Top

Administrative data
6.1. Accuracy - overall

How good is the accuracy of the vineyard statistics? Good
What are the main factors lowering the accuracy? Coverage errors
If others, which ones?


Additional comments
6.2. Sampling error

Not available
6.2.1. Sampling error - indicators

Not available
6.3. Non-sampling error

Administrative data
6.3.1. Coverage error

In the context of vineyard data collection the non-sampling errors are linked to the quality of the vineyard register

Under coverage

Does the vineyard register include all wine growers of the country? YES
If not, which kinds of wine growers are not included?
How many percent of the total number of wine growers are not included?
How big part of the vineyard area is not included?
Impact of under coverage on the data quality None


Over coverage

Does the vineyard register include holdings which are not any more active wine growers? YES
If yes, how many years does an inactive holding stay in the register?

The vineyard register does not maintain information about whether vineyards are maintained on an  annual basis or not. The vineyards are removed from the Register after the owner files a declaration for change of use.

 

 
Are former wine grower holdings, which haven't harvested regularly the grapes for more than 5 years, part of the vineyard data collection? YES
Impact of over coverage on the data quality Moderate


Multiple listing errors

Number of farms listed in the register several times? None
Impact of multiple listings on the data quality None


Misclassification

Does the misclassification of units or characteristics have an impact on the data quality? NO
If yes, to which extent?
Which characteristics are affected?  
Area
Number of holdings
Type of production
Size class
Degree of specialisation
Main varieties
Age class
   
Impact of misclassification on the data quality  None
   
Degree of bias caused by coverage errors Moderate
What measures were taken to mitigate the impact of coverage errors?  
None
Ancillary data sources were used in parallel to the vineyard register
Statistical correction methods
Others
   
In case coverage errors were detected, was the authority responsible for the vineyard register notified? YES
Have actions been taken to improve the register? YES


Additional comments


6.3.1.30. Over-coverage - rate
6.3.1.31. Common units - proportion

 
6.3.1.30. Over-coverage - rate
6.3.1.31. Common units - proportion
6.3.2. Measurement error

Administrative data
6.3.3. Non response error

In the context of vineyard data collection the non-response is understood as missing characteristics in the vineyard register

Were all characteristics mentioned in Regulation 1337/2011 Annex 2 present in the vineyard register? NO
If not, which were missing?

Area under vineyards for raisins.
Were ancillary data sources used to fill in the gaps? NO
If yes, which one?


Additional comments
6.3.3.6. Unit non-response - rate

Not available.
6.3.3.7. Item non-response - rate

Not available.
6.3.4. Processing error

Not available
6.3.4.1. Imputation - rate

Not available
6.3.5. Model assumption error

Not available.
6.4. Seasonal adjustment

Not applicable
6.5. Data revision - policy

Not available.
6.6. Data revision - practice

How many data revisions were done?

0
Why were the data revisions done?


Additional comments
6.6.4. Data revision - average size

Not available.


7. Timeliness and punctuality Top

Administrative data
7.1. Timeliness

  Register 1 Register 2 Register 3 Register 4 Register 5 Register 6 Register 7 Register 8 Register 9 Register 10 Register 11 Register 12 Register 13 Register 14 Register 15 Register 16 Register 17
Name of the register(s)

Vineyard register
When were the data extracted from the vineyard register? 31/07/2020
When was the latest update of the vineyard register done before the data extraction? 30/06/2020
Update frequency of the register Continuous


Additional comments
7.1.70. Time lag - first result

Not available.
7.1.71. Time lag - final result

Not available.
7.2. Punctuality

Was the dataset delivered to Eurostat by the deadline (30 September 2021)? YES
In case not, how many days delay was there?   


Additional comments
7.2.4. Punctuality - delivery and publication

Not available.


8. Coherence and comparability Top

Administrative data
8.1. Comparability - geographical

Were there any differences in the definition of the characteristics between the national/regional data and those described in Regulation 1337/2011? NO
If yes, which definitions were different?
How would you describe the impact of the differences in definitions for the data comparability at EU level? Very small


Additional comments


Asymmetry for mirror flow statistics - coefficient




 
8.1.5. Asymmetry for mirror flow statistics - coefficient
8.2. Comparability - over time

 The same methodology as that used in 2015 was applied.
8.2.1. Length of comparable time series

2015-2020
8.3. Coherence - cross domain

With which other data sources the vineyard data have  been compared?  Annual crop statistics (ACS) and FSS
Other statistics
Other registers

IACS
   
If no comparisons have been made, why not?
Result of the comparison with ACS Small differences
If differences were detected, to which characteristics are they linked ? Total area
Description of the differences

The difference in the total area is due to the over coverage.

 

 

 
Result of the comparison with FSS Major differences
If differences were detected, to which characteristics are they linked ? Total area
Description of the differences

The Census does not cover area under vineyards that have not been managed in the last 5 years. In the tables with data from the vineyards structure this area is included. 

 
Other comparison results Major differences
If differences, please give a brief description of the results of this comparison.

IACS does not cover the population of the Register.


Additional comments
8.4. Coherence - sub annual and annual statistics

Nоt available.
8.5. Coherence - National Accounts

Nоt available.
8.6. Coherence - internal

Nоt available.


9. Accessibility and clarity Top
9.1. Dissemination format - News release

  Availability Links
News release  NO
9.2. Dissemination format - Publications

  Availability Links
Publications NO
Publications in English NO
9.3. Dissemination format - online database

  Availability Links
On-line database accessible to users  NO
Website NO
Free/against payment data access policy Free  
9.3.6. Data tables - consultations

Not available.
9.4. Dissemination format - microdata access

  Availability Links
Micro-data access for researchers  NO
9.5. Dissemination format - other

No
9.6. Documentation on methodology

  Availability Links
Methodological report NO
Scientific publications NO
Definitions and classifications NO
9.7. Quality management - documentation

  Availability Links
Quality Report NO
Metadata NO
9.7.3. Metadata completeness - rate

Not available.
9.7.4. Metadata - consultations

Not available.


10. Cost and Burden Top
Restricted from publication


11. Confidentiality Top
11.1. Confidentiality - policy
Restricted from publication
11.2. Confidentiality - data treatment
Restricted from publication


12. Comment Top


Related metadata Top


Annexes Top