| |||
primary production | |||
primary production (limnology); primary productivity (limnology) |
production primaire : 18 phrases in 9 subjects |
Agriculture | 1 |
Economy | 2 |
Energy industry | 2 |
Environment | 7 |
Fish farming pisciculture | 1 |
International Monetary Fund | 1 |
Name of organization | 1 |
Natural sciences | 2 |
Statistics | 1 |