Aquitanian stage

简明释义

阿启坦阶;

英英释义

例句

1.The sediment layers from the Aquitanian stage (阿基坦期) provide important clues about ancient climates.

来自Aquitanian stage（阿基坦期）的沉积层为古代气候提供了重要线索。

2.Researchers are studying the marine life that thrived during the Aquitanian stage (阿基坦期).

研究人员正在研究在Aquitanian stage（阿基坦期）繁荣的海洋生物。

3.Paleontologists have identified several new species from the Aquitanian stage (阿基坦期) fossils.

古生物学家已经从Aquitanian stage（阿基坦期）的化石中识别出几种新物种。

4.The Aquitanian stage (阿基坦期) is known for its distinctive rock formations.

在Aquitanian stage（阿基坦期）以其独特的岩石构造而闻名。

5.During the geological survey, we discovered fossils dating back to the Aquitanian stage (阿基坦期).

在地质调查中，我们发现了追溯到Aquitanian stage（阿基坦期）的化石。

作文

The geological time scale is a crucial framework that helps scientists understand the history of Earth and its life forms. Within this framework, different stages mark significant periods of geological and biological evolution. One such stage is the Aquitanian stage, which is part of the Miocene epoch. The Aquitanian stage spans from approximately 23 to 20 million years ago and is named after the Aquitaine Basin in France, where rocks from this period were first studied. This stage is significant for several reasons, particularly in the context of mammalian evolution and climate change.During the Aquitanian stage, the Earth experienced notable climatic shifts that influenced the distribution and diversity of flora and fauna. The early Miocene was characterized by a warm climate, which facilitated the expansion of forests and grasslands. As temperatures began to fluctuate, different species adapted to these changing environments. For instance, many mammals evolved during this period, leading to the emergence of new families and genera. The Aquitanian stage is particularly known for the diversification of artiodactyls, or even-toed ungulates, which include modern-day deer, cattle, and pigs.The fossil record from the Aquitanian stage provides valuable insights into the evolutionary pathways of these animals. Fossils found in various locations, including North America and Europe, reveal a rich tapestry of life that thrived during this time. These findings help paleontologists trace the lineage of contemporary species back to their ancient ancestors, illustrating how environmental pressures can shape evolutionary outcomes.In addition to mammalian evolution, the Aquitanian stage also witnessed significant developments in marine life. The oceans were home to diverse marine species, including early forms of whales and dolphins. The geological changes during this period, such as rising sea levels and shifting coastlines, created new habitats that supported marine biodiversity. Understanding these changes is essential for grasping how marine ecosystems have evolved over millions of years.Furthermore, the Aquitanian stage is crucial for studying the interactions between climate and biotic communities. As the climate continued to shift, researchers can observe how species responded to these changes, offering lessons on resilience and adaptation. Today, as we face rapid climate change, studying past events like those of the Aquitanian stage can provide critical insights into how current species might cope with similar challenges.In conclusion, the Aquitanian stage serves as a vital chapter in the Earth's geological and biological history. It highlights the dynamic interplay between climate, evolution, and biodiversity. By examining this stage, scientists can better understand the processes that have shaped life on our planet and apply these lessons to contemporary issues such as conservation and climate resilience. The importance of the Aquitanian stage extends beyond mere academic interest; it holds key insights that can inform our understanding of the natural world today and guide our efforts to protect it for future generations.

地质时间尺度是一个重要的框架，帮助科学家理解地球及其生命形式的历史。在这个框架内，不同的阶段标志着地质和生物演化的重要时期。其中一个阶段是Aquitanian stage，它是中新世的一部分。Aquitanian stage大约从2300万年前到2000万年前，因法国的阿基坦盆地而得名，该地区的岩石首次被研究。这一阶段因多个原因而具有重要意义，尤其是在哺乳动物进化和气候变化的背景下。在Aquitanian stage期间，地球经历了显著的气候变化，这影响了植物和动物的分布与多样性。早期中新世的气候特征为温暖，促进了森林和草原的扩展。随着温度开始波动，不同物种适应这些变化的环境。例如，许多哺乳动物在这一时期进化，导致新科和属的出现。Aquitanian stage特别以偶蹄类动物（即双趾偶蹄动物）的多样化而闻名，包括现代的鹿、牛和猪。来自Aquitanian stage的化石记录提供了对这些动物进化路径的宝贵见解。在北美和欧洲等不同地区发现的化石揭示了这一时期繁盛的生命织锦。这些发现帮助古生物学家追溯当代物种的祖先，说明环境压力如何塑造进化结果。除了哺乳动物进化，Aquitanian stage还见证了海洋生命的重大进展。海洋中栖息着多样的海洋物种，包括早期的鲸鱼和海豚。在这一时期的地质变化，如海平面上升和海岸线的变化，创造了新的栖息地，支持了海洋生物多样性。理解这些变化对把握海洋生态系统数百万年来的演变至关重要。此外，Aquitanian stage对于研究气候与生物群落之间的相互作用至关重要。随着气候的持续变化，研究人员可以观察物种如何对这些变化做出反应，为适应和韧性提供教训。今天，面对快速的气候变化，研究像Aquitanian stage这样的过去事件可以为我们提供关键见解，了解当前物种可能如何应对类似的挑战。总之，Aquitanian stage作为地球地质和生物历史中的重要篇章，突显了气候、进化和生物多样性之间的动态相互作用。通过研究这一阶段，科学家们能够更好地理解塑造我们星球生命的过程，并将这些经验教训应用于当代问题，如保护和气候韧性。Aquitanian stage的重要性不仅仅是学术兴趣，它还蕴含着可以为我们今天理解自然世界提供关键洞见的知识，并指导我们努力保护自然，以惠及未来几代人。