International Journal of Molecular Ecology and Conservation 2024 Vol.14, No.1, 1-9 http://ecoevopublisher.com/index.php/ijmec 5 Larix potaninii is a tall tree that exhibits strong genome stability. They grow in the forests of the western United States and play a crucial ecological role. These trees exhibit strong resilience in the face of disturbances such as wildfires and pests, helping to maintain the long-term stability and diversity of forest ecosystems. 4.2 Factors affecting the ecosystem immunity 4.2.1 Structure and function of ecological system The structure and function of ecosystems are one of the important factors determining their immunity. The complexity and diversity of ecosystems are usually positively correlated with their anti-interference ability. The diversity of species composition can provide backup functions, making it easier for ecosystems to recover from disturbances. In addition, the interactions and synergies between different biological communities in ecosystems can also affect anti-interference capabilities (Yang et al., 2021). A stable ecosystem typically has a diverse species composition, complex food webs, and distribution of niches, which helps to mitigate the impact of disturbances. Coral reefs are a complex ecosystem that includes corals, algae, fish, and other organisms. Its diverse species composition and complex interactions help resist disturbances such as rising sea temperatures and ocean acidification. The diversity of ecosystem structure and function of coral reefs helps to improve their immunity, making it easier to recover from interference. 4.2.2 Ecosystem history and evolution The history and evolution of ecosystems also have a significant impact on their immunity. The evolution process of an ecosystem can affect the stability of its internal structure and function. During the long-term evolution process, ecosystems may have formed specific niche distribution and interaction patterns, making them more anti-interference (Zhang et al., 2016). In addition, some ecosystems may have experienced multiple disturbance events in their evolutionary history, gradually developing anti-interference features, such as adaptability to fires, floods, or droughts. The coniferous forest ecosystem in North America, such as the Boyle Forest in Canada. This ecosystem has gone through a long evolutionary history and has formed many anti-interference features. Due to the long cold season and heavy rainfall, the trees in these coniferous forests have gradually evolved their tolerance to cold and humidity. Their coniferous leaves and bark can reduce water evaporation and protect trees from pests and diseases. In addition, the seeds of these trees require fire to release and reproduce. This means that over the long evolutionary history, these coniferous forest ecosystems have gradually adapted to fires and developed immunity against them. Therefore, these ecosystems can better maintain their structure and function in the face of natural disturbances such as fires. 5 Response of Genome Stability to Environmental Changes Genome stability plays an important role in the response of grassland plants to different environmental changes and habitat destruction. It affects the adaptability, survival ability, and ecosystem stability of plants. Understanding and protecting genome stability in the face of global environmental issues can help maintain the health and sustainability of ecosystems and alleviate the pressure they face. This also provides new research directions and management strategies for ecological research and biodiversity conservation. 5.1 Expression of genome stability under different environmental conditions Genome stability is one of the manifestations of the survival and reproductive ability of grassland plants under different environmental conditions. The genome stability of grassland plants may vary under different environmental conditions. When facing harsh environmental conditions such as drought, high temperature, or soil salinization, plants with higher genome stability typically exhibit better adaptability and survival ability. This stability is manifested in their ability to maintain normal growth and reproduction, reducing damage from environmental stress (Trivedi et al., 2020).
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