Microcystis Smithii
探検Animal
Microcystis Smithii
microcystis smithii
Microcystis smithii is a fascinating species of colonial cyanobacteria, commonly referred to as blue-green algae, though it is biologically a bacterium. Thriving in warm, nutrient-rich freshwater environments, this microscopic organism plays a vital role in aquatic ecosystems. On one hand, it is a highly efficient photosynthetic producer, contributing to the global carbon cycle and releasing oxygen into the water. On the other hand, under optimal conditions of high temperature and agricultural runoff, it can multiply rapidly to form dense, conspicuous blooms that dominate the water surface. These colonies are bound together by a protective mucilaginous sheath, allowing them to withstand various environmental stressors. As a key representative of freshwater phytoplankton, Microcystis smithii is of great interest to limnologists and ecologists studying water quality and the impacts of eutrophication worldwide.
生息地: Found in eutrophic freshwater environments, particularly warm lakes, reservoirs, ponds, and slow-flowing rivers rich in nitrogen and phosphorus.
外見
At the microscopic level, Microcystis smithii consists of small, spherical or hemispherical cells measuring roughly 3 to 6 micrometers in diameter. These cells aggregate into larger, highly variable colonies that can appear spherical, oblong, or irregularly lobed, often surrounded by a clear, structured mucilage. To the naked eye, a high concentration of these colonies appears as a vibrant pea-green to blue-green discoloration in the water, resembling spilled paint or a thick, powdery scum floating on the surface.
界Bacteria門Cyanobacteria綱Cyanophyceae目Chroococcales科Microcystaceae属Microcystis
カテゴリ
Animalレア度
Common
危険度
1/5 · 非常に低い
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おもしろい事実
Ancestors of cyanobacteria like Microcystis were responsible for the Great Oxidation Event 2.4 billion years ago, which created Earth's oxygen-rich atmosphere.
Despite being called 'blue-green algae,' Microcystis smithii is actually a photosynthetic bacterium, meaning it lacks a cell nucleus.
Under warm, nutrient-polluted conditions, they can form massive blooms visible from space, turning entire water bodies bright green.
特殊能力
能力
Buoyancy Regulation
Uses internal gas vesicles to adjust its density, allowing the cells to rise to the water surface for photosynthesis during the day and sink to absorb nutrients at night.
能力
Mucilage Armor
Produces a thick, gelatinous sheath surrounding the colony, which protects the cells from drying out and deters microscopic grazers.
能力
Oxygenic Photosynthesis
Utilizes sunlight and chlorophyll to split water molecules, generating oxygen as a byproduct, which historically helped shape Earth's atmosphere.
サイズと詳細
- 長さ
- 0 cm
食性と食事
As a photosynthetic cyanobacterium, it generates its own energy from sunlight, carbon dioxide, and inorganic nutrients dissolved in water.
主な食物
- Sunlight
- Carbon dioxide
- Phosphorus
- Nitrogen
生態系とのつながり
eaten by
Water Flea
Daphnia magna
Consumes Microcystis cells, though grazing is often limited by colony size and potential toxins.
eaten by
Silver Carp
Hypophthalmichthys molitrix
Filters large quantities of cyanobacteria, helping to control water blooms in managed freshwater ecosystems.
parasite
Microcystis cyanophage Ma-LMM01
Microcystis virus Ma-LMM01
Infects and lyses Microcystis cells, acting as a natural biological control agent to collapse blooms.
特徴
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別名
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安全性
危険度
1/5 · 非常に低い
まだ特別な安全上の注意はありません。
よくある質問
Microcystis Smithiiを見分けるには？
Microcystis Smithiiを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。
Microcystis Smithiiの長さは何ですか？
0 cm
Microcystis Smithiiは何を食べますか？
As a photosynthetic cyanobacterium, it generates its own energy from sunlight, carbon dioxide, and inorganic nutrients dissolved in water.
Microcystis Smithiiは通常どこに生息していますか？
Found in eutrophic freshwater environments, particularly warm lakes, reservoirs, ponds, and slow-flowing rivers rich in nitrogen and phosphorus.
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