| natural pruning; self pruning |
自行修枝 |
| natural regeneration |
天然更新 |
| natural selection |
天擇 |
| natural selection |
自然淘汰 |
| Natural spawning |
自然產卵 |
| natural streamflow pattern |
自然河溪流相 |
| nature centers |
自然教育中心 |
| Nature Reserve |
自然保留區 |
| nature trail system |
自然步道系統 |
| Navigation regulation |
航海規章 |
| Navigator marker |
航標 |
| Navodon modestus (Gunther) |
馬面單棘魨 |
| Navodon tessellatus (Gunther) |
密斑單棘魨 |
| NCSS;National Center for Seeds and Seedlings |
日本種苗管理中心 |
| near infrared |
近紅外光區 |
| near shore |
水域邊界 |
| Nebrius ferrugineus |
鏽鬚鮫 |
| Necrosis |
壞死 |
| Necrosis of gill sheets |
鰓瓣壞死 |
| Necrosis of the muscles |
肌肉壞死症 |