vs Polar bear
Peronospora ranunculi compared with Ursus maritimus
Key Differences
- is Not Evaluated while Polar bear is Vulnerable.
Taxonomic Classification
| Rank | Polar bear | |
|---|---|---|
| Kingdom | Chromista (クロミスタ) | Animalia (動物) |
| Phylum | Oomycota (卵菌) | Chordata (脊索動物) |
| Class | Peronosporea (Peronosporea) | Mammalia (哺乳類) |
| Order | Peronosporales (Peronosporales) | Carnivora (ネコ目) |
| Family | Peronosporaceae | Ursidae (Bears) |
| Genus | Peronospora | Ursus (Bears) |
| Species | Peronospora ranunculi | Ursus maritimus |
Conservation Status
Polar bear
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
Physical Characteristics
| Attribute | Polar bear | |
|---|---|---|
| Diet | — | Carnivore |
| Average Lifespan | — | 25 years |
| Average Length | — | 2.4 m |
| Average Weight | — | 450.0 kg |
Habitat & Geographic Range
Native to Europe, inhabiting ecosystems characteristic of the region.
Distributed across Belgium, Norway, and Sweden.
Polar bear
Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.
Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.
Peronospora ranunculi は Peronosporaceae 科の卵菌類露菌病病原体で、キンポウゲ属(Ranunculus)植物の絶対活物寄生体である。葉と茎を感染させ、上面に退緑性病斑、下面に特徴的な灰色の胞子形成を引き起こす。他の Peronospora 種と同様に、気流分散遊走子嚢胞子で拡散し、生きた宿主組織を必要とする。
Polar bear
地球上で最大の陸上肉食動物であるホッキョクグマは700kgを超えることがあり、カナダからロシアまでの北極海氷域全体に分布する。ワモンアザラシとヒゲアザラシを狩るために海氷に依存する高度に特化した海洋哺乳類である。広大な距離を泳ぐことができる優れた泳者でもある。脆弱種に指定されており、気候変動による急激な北極海氷の消失で個体群が深刻な圧力を受けている。
Related Comparisons
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