由于真菌生长所需的共享的内部土条件并不预测它们的物种分布,在当前或未来的气候中
Colleen L Seymour1,2, Judith Korb3, Grant S Joseph2
1South African National Biodiversity Institute, Kirstenbosch Research Centre, Private Bag X7, Claremont 7735, South Africa.
概括
非洲土建造者 (Macrotermes) 为真菌养殖创造稳定的内部条件. 气候变化的影响因物种而异,有些物种面临范围下降,而另一些物种面临潜在扩张,威胁到生态系统的稳定性.
科学领域:
- 生态生态学 生态生态学
- 动物学 动物学
- 气候变化生物学 气候变化生物学
背景情况:
- 像白 (Macrotermes) 这样的社会昆虫是关键的生态系统工程师,建造复杂的巢穴.
- 这些巢穴保持稳定的内部条件,对于真菌培养至关重要,这是白的食物来源.
- 养殖需要缓冲温度和高湿度,影响结构和分布.
研究的目的:
- 评估六种非洲大热物种的当前分布与环境变量之间的相关性.
- 预测物种在气候变化情景下的分布变化.
- 了解变化的分布对生态系统过程的影响.
主要方法:
- 对六种非洲巨鱼物种的当前分布数据的分析.
- 与影响巢状况的关键环境变量进行相关性分析.
- 气候变化建模用于预测未来的适合息地.
主要成果:
- 解释物种分布的环境变量在六种宏观物种中存在差异.
- 预计有三种物种在高度适合的气候条件下会经历下降.
- 一个物种,Macrotermes vitrialatus,显示出显著范围增加的潜力 (64%),而另外两种物种预计范围增加较小 (<9%).
结论:
- 巨型虫的分布受各种环境因素的影响,在物种中不均.
- 气候变化给非洲大热物种带来了不同的风险和机会.
- 息地转型和植被不匹配可能会限制范围的扩张,可能会在多个尺度上破坏生态系统功能.
更多相关视频
07:00Microbiota of Attine Ants' Gardens: Visualizing a Microbial Landscape by Scanning Electron Microscopy
Published on: October 4, 2024
632
08:28Mycorrhizal Maps as a Tool to Explore Colonization Patterns and Fungal Strategies in the Roots of Festuca rubra and Zea mays
Published on: August 26, 2022
2.8K
相关概念视频
Fungal Group Zygomycota
44
Zygomycota, previously classified as a distinct fungal group, are primarily terrestrial, saprophytic molds that play a crucial role as decomposers. Recent phylogenetic studies have revealed that these fungi are now divided into two major clades — Mucoromycota, which includes many symbiotic species, and Zoopagomycota, which primarily consists of parasitic and pathogenic fungi. These groups exhibit distinct ecological roles and reproductive strategies while sharing key structural and...
44
Fungal Phylum Basidiomycota
126
Basidiomycota is a diverse phylum of fungi that includes ecologically significant decomposers such as white rot fungi, symbionts like mycorrhizal fungi, plant pathogens such as rusts and smuts, and edible species like Agaricus bisporus (the common button mushroom). These fungi play crucial roles in nutrient cycling, symbiotic relationships, and even human health. Their defining feature is the basidium, a microscopic club-shaped structure responsible for producing basidiospores.Fruiting Bodies...
126
Fungal Phylum Microsporidia
42
Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
42
Factors Influencing Microbial Growth: Temperature
68
Microorganisms display remarkable adaptations, enabling them to thrive in diverse ecological niches across a wide range of temperatures. Temperature profoundly influences microbial growth by affecting enzymatic activity, membrane fluidity, and other cellular processes.Each microorganism operates within a specific temperature range defined by three cardinal points: minimum, optimum, and maximum. Below the minimum temperature, membranes lose fluidity, halting transport processes. Above the...
68
Diversity of Archaea III
33
Crenarchaeota, a prominent phylum of Archaea, is remarkable for its ability to thrive in extreme environments characterized by high temperatures and acidity. These microorganisms inhabit sulfuric hot springs, volcanic systems, and submarine hydrothermal vents, where temperatures often exceed 100°C. The unique adaptations of Crenarchaeota not only allow survival under such extreme conditions but also provide insights into the mechanisms of life in primordial Earth-like...
33
Diversity of Archaea I
35
Archaea, a domain of single-celled microorganisms, are classified into five major phyla based on genetic and biochemical characteristics: Euryarchaeota, Crenarchaeota, Thaumarchaeota, Korarchaeota, and Nanoarchaeota. Among these, the phylum Euryarchaeota is notable for its remarkable diversity in morphology, metabolism, and ecological adaptations.Morphological and Metabolic DiversityMembers of Euryarchaeota exhibit a variety of cellular shapes, including rods and cocci. Their metabolic pathways...
35
