ປະເທດ | South Africa | ລະບົບນິເວດ | Indian Ocean |
ທ້ອງຖິ່ນ | Sundays Estuary | Depth | 0.75 m |
ໄດ້ຖືກແນະນຳ | Year Intro. | ||
ຂັ້ນຕອນຂອງການມີຊີວິດ | larvae | mixed | |
Quantitative | 0.0757 | Unit | numbers/m2 |
Semi Quantitative | <100 | Unit | numbers/m2 |
Qualitative | common | ||
ປີ | 1989 - 1990 | ໄລຍະ | 1975-2000 |
ວັນທີ | 01/03/89 - 31/12/90 | Record Type | field sample |
Record Type | field sample | ||
Seasonal | not specified | ວິທີການ | swept area |
ຂໍ້ສັງເກດ | Quarterly sampling (March, June, September, December) of the larval and juvenile marine fishes in the lower reaches of the estuary was conducted from 1989-1990. Sampling was conducted on consecutive days (seine netting) and nights (plankton netting). |