aphotic region

简明释义

1. 无光带; 2. 无光; 3. 无光深水;

英英释义

例句

1.In the aphotic region 无光区, temperatures can be just above freezing, making it a harsh environment for life.

在无光区 aphotic region，温度可能仅略高于冰点，使其成为生命的恶劣环境。

2.Scientists are studying how fish adapt to life in the aphotic region 无光区 of the ocean.

科学家正在研究鱼类如何适应海洋的无光区 aphotic region生活。

3.The aphotic region 无光区 of the ocean is home to unique ecosystems that are still being explored.

海洋的无光区 aphotic region是独特生态系统的栖息地，这些生态系统仍在被探索。

4.Many bioluminescent organisms are found in the aphotic region 无光区, using light to attract prey.

许多生物发光生物存在于无光区 aphotic region，利用光来吸引猎物。

5.The deep sea is known for its mysterious creatures that thrive in the aphotic region 无光区 where sunlight cannot penetrate.

深海以其神秘生物而闻名，这些生物在无光区 aphotic region中生存，那里阳光无法穿透。

作文

The ocean is a vast and mysterious place, home to countless species of marine life. Among the various zones that make up the ocean, one of the most intriguing is the aphotic region. This term refers to the parts of the ocean where sunlight does not penetrate, resulting in complete darkness. The aphotic region lies below the photic zone, which is the upper layer of the ocean where light can support photosynthesis. Understanding the characteristics of the aphotic region is essential for comprehending the complex ecosystems that thrive in these depths.In the aphotic region, the absence of light creates an environment that is starkly different from the sunlit waters above. Temperatures in this zone are typically very cold, often hovering just above freezing. Additionally, the pressure increases significantly as one descends deeper into the ocean, making it a challenging habitat for organisms. Despite these harsh conditions, life exists in the aphotic region. Creatures such as giant squids, anglerfish, and various types of bioluminescent organisms have adapted to survive in this dark world.The adaptations of organisms living in the aphotic region are fascinating. Many of these creatures have developed unique features to help them navigate and hunt in the dark. For example, bioluminescence is a common trait among many species, allowing them to produce light to attract prey or communicate with others. This ability to generate light is crucial in the aphotic region, where visibility is nearly nonexistent. Other adaptations include large eyes for better vision in low-light conditions and elongated bodies to help them move through the deep waters.Moreover, the food web in the aphotic region is quite different from that of the photic zone. Since sunlight cannot reach these depths, photosynthesis is not possible, and thus, primary production relies on organic matter that sinks from the upper layers of the ocean. This material, known as marine snow, consists of dead organisms, fecal pellets, and other organic debris. Various scavengers and decomposers inhabit the aphotic region, feeding on this nutrient source and playing a vital role in the ecosystem.Research into the aphotic region has revealed much about the resilience and adaptability of life in extreme environments. Scientists use submersibles and remotely operated vehicles (ROVs) to explore these depths, uncovering new species and gaining insights into how life can thrive without sunlight. These explorations contribute to our understanding of biodiversity and the importance of preserving these unique habitats.In conclusion, the aphotic region of the ocean is a remarkable and largely unexplored area that challenges our perceptions of life in extreme conditions. The adaptations of its inhabitants, the unique food webs, and the ongoing research into this dark world highlight the complexity of marine ecosystems. As we continue to study the aphotic region, we gain valuable knowledge that can inform conservation efforts and enhance our appreciation for the mysteries of the ocean.

海洋是一个广阔而神秘的地方，栖息着无数种类的海洋生物。在构成海洋的各种区域中，最引人入胜的之一是无光区。这个术语指的是阳光无法穿透的海洋部分，导致完全黑暗。无光区位于光照区之下，光照区是能够支持光合作用的海洋上层。理解无光区的特征对于理解在这些深处繁荣的复杂生态系统至关重要。在无光区，缺乏光线创造了一个与上方阳光照射的水域截然不同的环境。这个区域的温度通常非常寒冷，往往徘徊在冰点以上。此外，随着人们向海洋深处下降，压力显著增加，这使得这里成为一个对生物来说具有挑战性的栖息地。尽管条件严酷，无光区仍然有生命存在。像巨型鱿鱼、anglerfish（安哥拉鱼）和各种生物发光生物等生物已经适应了在这个黑暗世界中生存。生活在无光区的生物适应能力令人着迷。这些生物中的许多已经发展出独特的特征，以帮助它们在黑暗中导航和捕猎。例如，生物发光是许多物种的共同特征，使它们能够产生光来吸引猎物或与其他生物交流。在无光区几乎没有可见光的情况下，产生光的能力至关重要。其他适应包括大眼睛，以便在低光条件下更好地看清，以及细长的身体，帮助它们在深水中移动。此外，无光区的食物网与光照区的食物网截然不同。由于阳光无法到达这些深度，光合作用不可能，因此初级生产依赖于从海洋上层沉降的有机物质。这些物质被称为海洋雪，由死去的生物、粪便颗粒和其他有机残骸组成。各种清道夫和分解者栖息在无光区，以这种营养源为食，并在生态系统中发挥重要作用。对无光区的研究揭示了生命在极端环境中的韧性和适应能力。科学家们使用潜水器和遥控操作的车辆（ROVs）来探索这些深处，发现新物种并获得关于生命如何在没有阳光的情况下繁荣的见解。这些探索有助于我们理解生物多样性以及保护这些独特栖息地的重要性。总之，海洋的无光区是一个非凡且大部分未被探索的区域，挑战着我们对极端条件下生命的看法。其居民的适应能力、独特的食物网以及对这个黑暗世界的持续研究突显了海洋生态系统的复杂性。随着我们继续研究无光区，我们获得了宝贵的知识，这可以为保护工作提供信息，并增强我们对海洋奥秘的欣赏。