photic

简明释义

英[ˈfəʊtɪk]美[ˈfoʊtɪk]

adj. 光的；透光的；感光的；[生物] 发光的

英英释义

单词用法

同义词

反义词

例句

1.Coenzyme Q10 plays an important role in preventing the photic injury of retina and optic cell apoptosis.

结论辅酶Q 10对光损伤引起的视网膜损害及视细胞凋亡有较好的防护作用。

2.RESULTS The scores of somatization, anxiety, photic anxiety and psychoticism before the training were higher in recruits than in normal group of young population ( P< 0.05).

结果基础训练前新兵在躯体化、焦虑、恐惧、精神病性因子得分明显高于青年常模组（P<0 .0 5 ） 。

3.Conclusion Coenzyme Q10 plays an important role in preventing the photic injury of retina and optic cell apoptosis.

结论辅酶Q 10对光损伤引起的视网膜损害及视细胞凋亡有较好的防护作用。

4.The effect of test stress on mental health consist in anxiety, depression, paranoid ideation, obsessive-compulsive, photic anxiety, sleep and diet.

考试应激对高中生心理的影响主要表现在焦虑、抑郁、偏执、强迫、恐怖、睡眠和饮食方面。

5.Photic birefringence effect of magnetic fluid in magnetic field.

磁流体磁光特性的研究及其应用。

6.Photic inner bag can be set in the facing, the face can jointed by several photic polygon leathers.

在皮面内还可设透光的内胆，皮面则可由多块多边形皮革块用可透光的拼接条拼接而成。

7.The photic zone is where most ocean life thrives due to the availability of sunlight.

由于阳光的存在，光照区是大多数海洋生物繁衍生息的地方。

8.Coral reefs are typically found in the photic layer of the ocean.

珊瑚礁通常位于海洋的光照层中。

9.Plants in the photic zone can photosynthesize effectively.

在光照区的植物能够有效进行光合作用。

10.The depth of the photic zone varies depending on water clarity.

根据水的清澈程度，光照区的深度会有所不同。

11.Many fish species are adapted to live in the photic region of the sea.

许多鱼类物种适应生活在海洋的光照区域。

作文

The term photic refers to the layer of water in oceans and lakes that receives sufficient sunlight to support photosynthesis. This zone is crucial for aquatic ecosystems, as it is where most marine life thrives. The photic zone typically extends from the surface down to about 200 meters, depending on the clarity of the water. In this region, light penetrates, allowing plants and phytoplankton to produce energy through photosynthesis, which forms the base of the food web in aquatic environments. Understanding the importance of the photic zone is essential for several reasons. Firstly, it supports a diverse range of species, from tiny plankton to large fish and marine mammals. These organisms rely on the sunlight that reaches the photic layer to survive and reproduce. For instance, coral reefs, which are among the most biodiverse ecosystems on the planet, exist primarily in the photic zone. They require sunlight for the symbiotic algae living within their tissues, which provide them with nutrients through photosynthesis. Moreover, the photic zone plays a significant role in global carbon cycling. Phytoplankton, which thrive in this illuminated layer, absorb carbon dioxide during photosynthesis. They not only produce oxygen but also help regulate atmospheric CO2 levels, thus influencing climate change. When these organisms die, some of them sink to the ocean floor, sequestering carbon and playing a vital role in the Earth's carbon cycle. However, human activities threaten the integrity of the photic zone. Pollution, overfishing, and climate change are major factors contributing to the degradation of these critical habitats. For example, nutrient runoff from agricultural practices can lead to algal blooms, which reduce light penetration and diminish the health of the photic zone. Additionally, rising ocean temperatures can affect the distribution of species that depend on this area, disrupting the balance of marine ecosystems. Conservation efforts are essential to protect the photic zone and its inhabitants. Establishing marine protected areas (MPAs) is one effective strategy to safeguard these regions. MPAs can help maintain biodiversity, restore fish populations, and enhance the resilience of marine ecosystems against climate change. Furthermore, raising awareness about the significance of the photic zone can encourage individuals and communities to engage in sustainable practices that minimize their impact on the ocean. In conclusion, the photic zone is a vital component of aquatic ecosystems, supporting a myriad of life forms and contributing to global processes like carbon cycling. Protecting this area is paramount for maintaining biodiversity and ensuring the health of our planet. As stewards of the environment, it is our responsibility to take action to preserve the photic zone for future generations. By understanding its importance and advocating for conservation measures, we can help ensure that this dynamic and life-sustaining part of our planet continues to thrive.

“photic”一词指的是海洋和湖泊中接收足够阳光以支持光合作用的水层。这个区域对水生生态系统至关重要，因为它是大多数海洋生物繁衍生息的地方。“photic”区通常从表面延伸到约200米深，具体取决于水的清澈程度。在这个区域，光线可以渗透，使植物和浮游植物能够通过光合作用产生能量，从而形成水生环境中食物链的基础。 理解“photic”区的重要性至关重要，原因有几个。首先，它支持多种物种，从微小的浮游生物到大型鱼类和海洋哺乳动物。这些生物依赖于照射到“photic”层的阳光来生存和繁殖。例如，珊瑚礁是地球上生物多样性最高的生态系统之一，主要存在于“photic”区。它们需要阳光，以便生长在其组织内的共生藻类进行光合作用，提供养分。 此外，“photic”区在全球碳循环中也发挥着重要作用。繁盛于这一照明层的浮游植物在光合作用过程中吸收二氧化碳。它们不仅产生氧气，还帮助调节大气中的二氧化碳水平，从而影响气候变化。当这些生物死亡时，其中一些会沉入海底，封存碳并在地球的碳循环中扮演重要角色。 然而，人类活动威胁着“photic”区的完整性。污染、过度捕捞和气候变化是导致这些关键栖息地退化的主要因素。例如，农业实践中的营养物质流失可能导致藻类暴发，减少光的穿透并削弱“photic”区的健康。此外，海洋温度上升可能影响依赖这一地区的物种分布，破坏海洋生态系统的平衡。 保护措施对于保护“photic”区及其居民至关重要。建立海洋保护区（MPA）是一种有效的策略，可以保护这些地区。海洋保护区可以帮助维持生物多样性，恢复鱼类种群，并增强海洋生态系统对气候变化的韧性。此外，提高人们对“photic”区重要性的认识，可以鼓励个人和社区参与可持续实践，减少对海洋的影响。 总之，“photic”区是水生生态系统的重要组成部分，支持着无数生命形式，并为全球过程如碳循环做出贡献。保护这一地区对于维持生物多样性和确保我们星球的健康至关重要。作为环境的管理者，我们有责任采取行动，保护“photic”区，以惠及后代。通过理解其重要性并倡导保护措施，我们可以帮助确保这一充满活力且维持生命的地球部分继续繁荣。