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Biotoxins
| Fisheries glossary |
Natural toxins produced by organisms, often for use as a defence mechanism.
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Nutrient upwelling, английский
Nutrient upwelling is the 'welling-up' of deeper water that is usually richer in nutrients than surface water.
Endemic, английский
- Native to a certain area, usually confined to a relatively small local region.
- Эндемия постоянное наличие болезни в данной местности среди людей, обусловленное специфическими социальными и природными условиями. endemic area (country)
- Эндемия постоянное наличие болезни в данной местности среди людей, обусловленное специфическими социальными и природными условиями.
- Having their habitat in a specified district or area, or the presence of a disease at relatively low level, all the time.
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