aphotic zone

简明释义

1. 无光带; 2. 不透光带; 3. 无光层; 4. 无光区; 5. 非生化带;

英英释义

The aphotic zone is the layer of a body of water that is too deep for sunlight to penetrate, typically found below a depth of about 200 meters in the ocean, where photosynthesis cannot occur.

无光层是水体中阳光无法穿透的深层，通常位于海洋约200米以下的深度，在此区域内光合作用无法进行。

例句

1.The aphotic zone 无光层 is where sunlight cannot penetrate, making it impossible for photosynthesis to occur.

无光层是阳光无法穿透的地方，因此光合作用无法发生。

2.Many deep-sea fish inhabit the aphotic zone 无光层, using bioluminescence to attract prey.

许多深海鱼类栖息在无光层，利用生物发光来吸引猎物。

3.Researchers study the organisms that thrive in the aphotic zone 无光层 to understand deep-sea ecosystems.

研究人员研究在无光层中繁衍生息的生物，以了解深海生态系统。

4.The aphotic zone 无光层 is characterized by cold temperatures and high pressure.

无光层的特征是温度低和压力高。

5.Creatures in the aphotic zone 无光层 have adapted to survive without light.

生活在无光层的生物已经适应了在没有光的环境中生存。

作文

The ocean is a vast and mysterious place, home to countless species of marine life. One of the most intriguing aspects of the ocean is its layered structure, which includes different zones characterized by varying levels of light penetration. Among these zones, the aphotic zone is particularly fascinating. The term aphotic zone refers to the part of the ocean where sunlight does not reach, typically found at depths greater than 200 meters. In this dark and cold environment, photosynthesis is impossible, making it a unique habitat for various organisms that have adapted to life without light.In the aphotic zone, the absence of sunlight creates an ecosystem that relies on alternative sources of energy. Many organisms in this zone are chemosynthetic, meaning they derive energy from chemical reactions rather than sunlight. For example, certain bacteria can convert hydrogen sulfide, found in hydrothermal vents, into energy. These bacteria form the foundation of the food web in the aphotic zone, supporting other organisms such as tube worms, clams, and various types of fish.The adaptations of creatures living in the aphotic zone are remarkable. Many of these species have evolved to survive in extreme conditions, including high pressure and low temperatures. Some fish, like the anglerfish, have developed bioluminescent features to attract prey in the darkness. Others have large eyes to detect faint light or heightened senses to navigate their surroundings. This adaptation showcases the resilience of life, even in the most inhospitable environments.Despite the harsh conditions, the aphotic zone is not devoid of life. It hosts a diverse array of organisms that play crucial roles in the ocean's ecosystem. For instance, the decomposition of organic materials that sink from the upper layers of the ocean provides nourishment for various scavengers and decomposers in the aphotic zone. This process is vital for recycling nutrients and maintaining the health of the ocean.Research into the aphotic zone is still ongoing, as scientists strive to understand the complexities of this hidden world. Technological advancements, such as remotely operated vehicles (ROVs) and autonomous underwater vehicles (AUVs), have allowed researchers to explore these depths more effectively. Discoveries made in the aphotic zone have revealed new species and ecosystems, highlighting the importance of preserving these fragile environments.In conclusion, the aphotic zone represents one of the most enigmatic areas of our planet's oceans. Its lack of sunlight creates a unique ecosystem where life thrives in darkness, showcasing the incredible adaptability of organisms. As we continue to explore and study this hidden realm, it is essential to recognize the significance of the aphotic zone in the broader context of ocean health and biodiversity. Protecting these deep-sea environments is crucial for ensuring the sustainability of marine life and the overall health of our planet's oceans.

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。海洋的一个最引人入胜的方面是它的分层结构，包括不同的区域，这些区域以不同的光照穿透水平为特征。在这些区域中，无光层特别引人注目。术语无光层指的是阳光无法到达的海洋部分，通常位于200米以上的深度。在这个黑暗而寒冷的环境中，光合作用是不可能的，这使得它成为了各种适应在没有光的情况下生活的生物的独特栖息地。在无光层中，阳光的缺乏创造了一个依赖替代能源的生态系统。许多生物在这个区域是化能合成的，这意味着它们从化学反应中获取能量，而不是阳光。例如，某些细菌可以将在热液喷口中发现的硫化氢转化为能量。这些细菌形成了无光层食物网的基础，支持其他生物，如管虫、蛤蜊和各种鱼类。生活在无光层中的生物的适应能力令人惊叹。许多这些物种已经进化以在极端条件下生存，包括高压和低温。一些鱼类，如琵琶鱼，发展出了生物发光的特征，以在黑暗中吸引猎物。其他鱼类则拥有大的眼睛来探测微弱的光或增强的感官来导航周围环境。这种适应展示了生命的韧性，即使在最不适宜的环境中也能生存。尽管条件恶劣，无光层并非没有生命。它拥有多样的生物群落，在海洋生态系统中发挥着至关重要的作用。例如，从海洋上层沉降的有机物的分解为无光层中的各种食腐动物和分解者提供了营养。这一过程对回收养分和维持海洋健康至关重要。对无光层的研究仍在继续，因为科学家们努力理解这个隐藏世界的复杂性。技术进步，例如遥控潜水器（ROV）和自主水下航行器（AUV），使研究人员能够更有效地探索这些深度。在无光层中所做的发现揭示了新物种和生态系统，突显了保护这些脆弱环境的重要性。总之，无光层代表了我们星球海洋中最神秘的区域之一。其缺乏阳光创造了一个在黑暗中繁荣的独特生态系统，展示了生物的惊人适应能力。随着我们继续探索和研究这个隐藏的领域，认识到无光层在海洋健康和生物多样性更广泛背景下的重要性至关重要。保护这些深海环境对于确保海洋生命的可持续性和我们星球海洋的整体健康至关重要。