vs Polar bear
Dyadobacter beijingensis compared with Ursus maritimus
Key Differences
- is Not Evaluated while Polar bear is Vulnerable.
Taxonomic Classification
| Rank | Polar bear | |
|---|---|---|
| Kingdom | Bacteria (Bacteria) | Animalia (动物界) |
| Phylum | Bacteroidota (拟杆菌门) | Chordata (脊索动物门) |
| Class | Bacteroidia (擬桿菌綱) | Mammalia (哺乳動物) |
| Order | Cytophagales (噬纤维菌目) | Carnivora (食肉目) |
| Family | Spirosomaceae | Ursidae (Bears) |
| Genus | Dyadobacter | Ursus (Bears) |
| Species | Dyadobacter beijingensis | 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 Asia, inhabiting ecosystems characteristic of the region.
Found in Taiwan.
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.
北京双孢杆菌(Dyadobacter beijingensis)是细胞形菌科中的一种革兰氏阴性需氧菌,最初从中国北京附近的土壤中分离得到。它栖息于土壤环境中,参与有机物的分解过程。与其他双孢杆菌属物种一样,它可能参与碳循环,并在污染土壤的生物修复中具有潜在应用价值。
Polar bear
北极熊是地球上最大的陆地食肉动物,体重可超过700千克,分布于从加拿大到俄罗斯的北极海冰区。是高度特化的海洋哺乳动物,依赖海冰捕猎环斑海豹和髯海豹。是优秀的游泳者,能够横渡广阔的开阔水域。被列为易危种,因气候变化导致北极海冰迅速减少,种群正受到严重威胁。
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