巨藻 (加州巨藻)养护指南
Macrocystis pyrifera · Laminariaceae (brown alga, not a plant)
巨藻 (加州巨藻) (Macrocystis pyrifera) 是一种水草。 隶属于Laminariaceae (brown alga, not a plant)科。 原产于Cool temperate coasts of both hemispheres: Alaska to Baja California, temperate South America, South Africa, southern Australia, New Zealand and sub-Antarctic islands。 生长需要high光照。 适宜水温：Up to about 20°C (declines above ~21°C)。 pH范围：7.8 – 8.4。 养护难度：Not keepable at home (public aquaria only)。 生长速度：very fast (up to ~60 cm a day in the wild)。
如何养护巨藻 (加州巨藻)？
| 光照 | High (fronds grow up to the sunlit surface) |
|---|---|
| CO₂ | Needs cold, full-strength seawater with strong surge and a constant nutrient (nitrate) supply |
| 水温 | Up to about 20°C (declines above ~21°C) |
| pH | 7.8 – 8.4 |
| 造景位置 | A marine display item in the 3D editor only — it cannot be kept in a home aquarium; public aquaria need huge pumped cold-seawater systems |
| 生长速度 | Very fast (up to ~60 cm a day in the wild) |
| 养护难度 | Not keepable at home (public aquaria only) |
| 科属 | Laminariaceae (brown alga, not a plant) |
如何修剪与繁殖巨藻 (加州巨藻)？
In public exhibits divers trim it weekly because it grows so fast. Not propagated by hobbyists (it alternates with microscopic gametophytes).
巨藻 (加州巨藻)有哪些常见问题？
Dies back when water warms above ~21°C (El Niño, marine heatwaves); forests grazed to bare rock by sea urchin explosions.
如何解决巨藻 (加州巨藻)的常见问题？
Only chilled, public-aquarium-scale seawater systems can hold it; in the wild, predators such as sea otters keep urchins in check.
巨藻 (加州巨藻)原产于哪里？
Cool temperate coasts of both hemispheres: Alaska to Baja California, temperate South America, South Africa, southern Australia, New Zealand and sub-Antarctic islands
购买巨藻 (加州巨藻)前需要了解什么？
Wild kelp forests are declining (about 95% loss reported in Tasmania) — do not collect.
参考来源
- Macrocystis (giant kelp) — Wikipedia
- Giant kelp — Monterey Bay Aquarium
- Kelp Forest exhibit — Monterey Bay Aquarium
养护信息已于 2026-09-23 与这些来源核对。