The study explores the optimal seed germination temperature for the tree species I. jinicuil and its potential future distribution across Mexico under climate change scenarios.
Research reveals the importance of germination temperature as it relates to the establishment of I. jinicuil, which is extensively utilized within shade coffee farms across the country. Recent studies show the complexity of seed propagation, particularly as climate change intensifies, impacting agricultural ecosystems and biodiversity.
With the effects of climate variability becoming increasingly pronounced, scientists sought to ascertain the optimal germination temperature for I. jinicuil. This tree species has considerable agroforestry value and supports the coffee-growing sector, indicating its relevance amid changing climatic conditions.
A comprehensive analysis was performed to measure seed germination rates across different temperature conditions, ranging from 5°C to 40°C. The research highlighted the optimal germination temperature found between 29.58°C and 33.02°C, which maximized germination speed and rate. Seed viability was critically impacted by exceeding this thermal threshold, showing significant reductions under higher temperature conditions.
Utilizing experimental germination chambers, researchers established the average base temperature (Tb) for germination between 4.8°C and 9.45°C, and the ceiling temperature (Tc) ranged from 44.51°C to 49.20°C, indicating the sensitivity of the species to temperature extremes. Overall, the analysis underscored the necessity for specific temperature parameters when considering the conservation and management of I. jinicuil.
Climate change models speculating future distributions of I. jinicuil suggest declines of up to 23% by the year 2100. This prediction emphasizes the urgency for targeted conservation strategies and the ecological significance of maintaining this species within its natural and agricultural landscapes.
Through these findings, valuable insights emerge concerning species management under climate variability, particularly highlighting the need for adaptive conservation practices. Researchers concluded with recommendations for future work aimed at improving the resilience of I. jinicuil populations, ensuring agricultural sustainability and biodiversity preservation.