إنتاجية أولية

مصدر المصطلح

.A Kosseim, FAO Terminology Project, 2003 Ref 2 and Ref 2

التعريف

الإنتاج الأولي أثناء فترة زمنية محددة.

مصدر التعريف

منظمة الأغذية والزراعة للأمم المتحدة. 2008. مصطلحات الاستزراع المائي. https://openknowledge.fao.org/handle/20.500.14283/a1555m

primary productivity

Definition

Primary production during a specific time interval.

Definition source

FAO. 2008. Glossary of aquaculture. https://openknowledge.fao.org/handle/20.500.14283/a1555m

Definition

The rate at which energy is stored (i.e. the amount of energy fixed in a given time) by photosynthetic and chemosynthetic activity of producer organisms (chiefly green plants) in the form of organisms substances which can be used as food materials.

Definition source

FAO. 2009. Glossary of fisheries.

Definition

A measurement of plant production that is the start of the food chain. Much primary productivity in marine or aquatic systems is made up of phytoplankton, which are tiny one- celled algae that float freely in the water.

Definition source

FAO. 2009. Glossary of fisheries.

Related terms

Secondary productivity

Remarks

Values are expressed in grams of dry organic matter (or carbon) produces per square meter per day.

productividad primaria

Fuente del término

M. Lozano, FAO Terminology Project, 2003. Ref. 61

Definición

Producción primaria durante un intervalo de tiempo específico.

Fuente de la definición

FAO. 2008. Glosario de acuicultura. https://openknowledge.fao.org/handle/20.500.14283/a1555m

productivité primaire

Définition

Production primaire au cours d'un laps de temps spécifique.

Source de la définition

FAO. 2008. Glossaire d’aquaculture. https://openknowledge.fao.org/handle/20.500.14283/a1555m

первичная продуктивность

Источник (термина)

Словарь ботанических терминов. — Киев: Наукова Думка. Под общей редакцией д. б. н. И. А. Дудки. 1984.

初级生产力

初级的生产力

定义

在特定时间段内的初级生产量。

定义来源

粮农组织。2008。水产养殖术语。https://openknowledge.fao.org/handle/20.500.14283/a1555m

Entry: 182857 Subject:  ENVIRONMENT Status: Validated Location: Public
Source Language: English Category: Terminology Reliability: 2-Checked (on reliable sources)
Source: Terminology (A9.3G)(A9.1FI)/CSCM, FAO, 2010