top of the aforementioned land for the collective growth of standing trees and bamboos and trees and bamboos. (b) Forests with a restriction of forest operation such as the conservation forest and the district equipped with conservation facility and etc. are also included in forest. (c) The land other than the forest land of national forest land (land that does not belong to any categories (denuded land, rocky land, grass field, alpine zone, etc.), attached land (seedbed, forest road bed, strip road bed, recreational facility bed, etc.) and leased land (roadway, site for electricity business, grazing land)) is excluded from the forest. Forests operated Forests operated refers to the forests which forestry households are obtained from the areas of owned forests by excluding the areas that are lent to others, and by adding the areas rented from other's. Present forest area Present forest area is obtained from the forest plan at the time of formulating the regional forest plan and the forest plan of national forest classified by region as the standard, by adding to or subtracting changes in area occurred thereafter until the survey date, and further adding to it the forest area not included in the above plans. Survey of Lumber (Fundamental Statistical Survey) This survey is conducted by the Ministry of Agriculture, Forestry and Fisheries with the aim to clarify the production and shipping of logs and lumber, and to obtain basic materials for forestry policy. The survey is composed of the Basic Survey (annual survey), Monthly Survey of Sawing and Survey of Veneer and Plywood. The survey is conducted as a sample survey covering sawmills, wood chip factories , veneer and plywood factories etc. all over Japan. Census of Fisheries (Fundamental Statistical Survey) This census has been conducted by the Ministry of Agriculture, Forestry and Fisheries, aiming to know the structure of fishery production and the structure of employment in fisheries, as well as finding out conditions surrounding fisheries including fishing villages and distribution and processing of fishery products. The survey consisted of the Marine Fisheries Survey, the Inland Water Fisheries Survey and the Distribution and Processing Survey, covering fishery management entities, fishery management organisations including fisheries cooperatives, fish markets, fishery product processing, and establishments that run freezing and cold storage facilities. The Marine Fisheries Survey and the Inland Water Fisheries Survey were conducted as of 1 November and the Distribution and Processing Survey as of 1 January. Fishery management entities Households and establishments engaged in catching or gathering marine animals and plants, or in aquaculture, during the one year preceding the survey date, for the purpose of marketing for profits or to make a living. However, individual management entities who worked less than 30 days on marine water for fishery are excluded. Individual management entities Fishery management entities managed and operated by individuals. Organized management entities Fishery management entities other than independent management entities. They are classified in companies, fishery cooperatives, associations for fishery production, joint management, and others. Survey on Movement of Agricultural Structure This survey is conducted as of 1 November every year except the year of the quinquennial Census of Fisheries by the Ministry of Agriculture, Forestry and Fisheries with the aim to clarify the actual and the transitional situation in agricultural structure. The samples for the survey were individual management entities and organised management entities, which were drawn from the population of the Census of 228 8 農林水産業
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