Page 429 - niengiam2021

resins, oleaginousfruits, nuts, etc., harvested and collected from
natural forests, planted forests and scattered forests in a certain period

of time.

FISHERY

Water surface area for aquaculture is the area used for
aquaculture, including the area of embankment; for aquaculture
breeding and hatchery area includes necessary supplement areas such
as filtering ponds and letting out ponds. This indicator does not cover
areas of land with special-use water surface for other purposes, but are
used for aquaculture such as irrigation and hydropower reservoirs.

Aquatic production refers to volume of an aquatic product or a
group of aquatic species obtained during a given period, including
aquatic capture production and aquaculture production:

 Aquatic capture production includes production of catches
from the sea, and production of naturally captured from rivers,
streams, lakes, lagoons, or rice fields, etc.

 Aquaculture production includes all aquaculture production
resulting from aquaculture.

Quantity and capacity of motorized marine vessels and boats
is the number of actual vessels, boats engaged in marine capture
fisheries during the year; including newly-built motorized boats and
vessels for purposes of long-term marine capture fisheries.

Capacity of vessels and boats is the total available capacity of the
main engines of vessels and boats at a given time. Unit of capacity is
horsepower (CV). Motorized vessels and boats for marine capture
fisheries are divided into different groups: less than 20 CV; from 20
CV to under 50 CV; from 50 CV to under 90 CV; from 90 CV to
under 250 CV; from 250 CV to under 400 CV; from 400 CV and over.

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