oligochaete

简明释义

英[ˈɒlɪɡəʊˌkiːt]美[ˈɑːləɡoʊkit]

n. 寡毛纲（环节）动物

adj. 寡毛纲（环节）动物的

英英释义

单词用法

同义词

反义词

例句

1.The presence of oligochaete does not have influence on the removal of COD and NH3-N, but it affects the removal of TP, and the removal of turbidity is affected by the quantity of oligochaete too.

蠕虫的存在对COD、NH3-N的去除没有明显的影响，但不利于对TP的去除，且浊度的去除也受蠕虫密度的影响。

2.The presence of oligochaete does not have influence on the removal of COD and NH3-N, but it affects the removal of TP, and the removal of turbidity is affected by the quantity of oligochaete too.

蠕虫的存在对COD、NH3-N的去除没有明显的影响，但不利于对TP的去除，且浊度的去除也受蠕虫密度的影响。

3.Compared with historical data, the proportions of Oligochaete and Chironomid in Erhai Lake continued to increase, which implied that the organic pollution in the Lake was further intensified.

对比历史数据可知，洱海寡毛类和摇蚊科比例继续增加，表明湖泊有机污染进一步加重。

4.The study of oligochaete 寡毛类 worms is essential for understanding soil health.

对oligochaete 寡毛类 蛆虫的研究对于理解土壤健康至关重要。

5.Researchers found that the presence of oligochaete 寡毛类 species indicates a healthy aquatic ecosystem.

研究人员发现，oligochaete 寡毛类 物种的存在表明水生生态系统健康。

6.Invertebrates like oligochaete 寡毛类 worms play a crucial role in nutrient cycling.

像oligochaete 寡毛类 蛆虫这样的无脊椎动物在养分循环中发挥着关键作用。

7.The diversity of oligochaete 寡毛类 species can be affected by pollution levels in freshwater habitats.

淡水栖息地中的污染水平会影响oligochaete 寡毛类 物种的多样性。

8.Students collected samples of oligochaete 寡毛类 worms from the local river for their biology project.

学生们从当地河流中采集了oligochaete 寡毛类 蛆虫样本，用于他们的生物项目。

作文

The world of biology is filled with fascinating organisms, each playing a unique role in the ecosystem. Among these organisms, one group that often goes unnoticed is the oligochaete (寡毛类). These segmented worms, which include familiar species like earthworms, are vital to soil health and fertility. In this essay, I will explore the characteristics, habitat, and ecological significance of oligochaetes while highlighting their importance in both natural and agricultural environments. Firstly, oligochaetes are characterized by their segmented bodies, which typically consist of numerous segments, or somites. This segmentation allows for greater flexibility and movement, enabling them to burrow through the soil efficiently. Unlike their annelid relatives, the polychaetes, oligochaetes possess fewer bristles, or chaetae, which is reflected in their name—'oligo' meaning 'few' in Greek. The most well-known example of an oligochaete is the common earthworm, which plays a crucial role in aerating the soil and promoting healthy plant growth. The habitat of oligochaetes is primarily found in moist environments, including soil, freshwater, and even marine settings. They thrive in rich, organic matter, where they feed on decomposing plant material and microorganisms. This feeding behavior not only helps in nutrient cycling but also enhances soil structure. As oligochaetes burrow through the soil, they create channels that improve water infiltration and root penetration, making it easier for plants to access essential nutrients. Ecologically, oligochaetes play a significant role in maintaining soil health. Their activities contribute to the breakdown of organic matter, leading to the formation of humus, which is vital for soil fertility. Additionally, they serve as a food source for various predators, including birds, mammals, and other invertebrates, thus forming an essential part of the food web. Their presence in the soil can indicate a healthy ecosystem, as they are sensitive to pollution and changes in environmental conditions. In agricultural practices, oligochaetes are often regarded as beneficial organisms. Farmers and gardeners recognize the importance of earthworms in promoting healthy soils, leading to better crop yields. Practices such as composting and reduced tillage encourage the proliferation of oligochaetes, fostering a more sustainable approach to farming. By enhancing soil structure and nutrient availability, these worms contribute to the overall productivity of agricultural systems. However, despite their importance, oligochaetes face threats from habitat destruction, pollution, and climate change. The use of chemical fertilizers and pesticides can have detrimental effects on their populations, leading to declines in soil health. Conservation efforts aimed at protecting natural habitats and promoting organic farming practices can help ensure the survival of oligochaetes and the ecosystems they support. In conclusion, oligochaetes are remarkable organisms that play a crucial role in maintaining soil health and promoting biodiversity. Their unique characteristics and ecological significance make them vital components of both natural and agricultural ecosystems. By understanding and appreciating the importance of oligochaetes, we can take steps to protect these invaluable creatures and the environment they inhabit.

生物学的世界充满了迷人的生物，每种生物在生态系统中扮演着独特的角色。在这些生物中，有一组常常被忽视的就是oligochaete（寡毛类）。这些分段的蠕虫，包括熟悉的种类如蚯蚓，对于土壤健康和肥力至关重要。在这篇文章中，我将探讨oligochaetes的特征、栖息地以及生态意义，同时强调它们在自然和农业环境中的重要性。 首先，oligochaetes的特点是它们的分段身体，通常由许多段或体节组成。这种分段使得它们具有更大的灵活性和运动能力，使它们能够有效地在土壤中钻孔。与它们的环节动物亲属多毛类不同，oligochaetes具有较少的刚毛，或称为刺，这在它们的名字中得到了体现——“oligo”在希腊语中意为“少”。最著名的oligochaete例子是普通蚯蚓，它在土壤通气和促进植物生长方面发挥着关键作用。 Oligochaetes的栖息地主要存在于潮湿环境中，包括土壤、淡水甚至海洋环境。它们在富含有机物的地方茁壮成长，以腐烂的植物材料和微生物为食。这种取食行为不仅有助于养分循环，还有助于改善土壤结构。当oligochaetes在土壤中钻孔时，它们会创造通道，改善水的渗透和根的穿透，使植物更容易获取必需的养分。 在生态上，oligochaetes在维持土壤健康方面发挥着重要作用。它们的活动有助于有机物的分解，形成腐殖质，这对土壤肥力至关重要。此外，它们也是各种捕食者的食物来源，包括鸟类、哺乳动物和其他无脊椎动物，因此构成了食物链的重要部分。它们在土壤中的存在可以指示一个健康的生态系统，因为它们对污染和环境条件的变化非常敏感。 在农业实践中，oligochaetes通常被视为有益生物。农民和园丁认识到蚯蚓在促进健康土壤方面的重要性，从而带来更好的作物产量。堆肥和减少耕作等做法鼓励oligochaetes的繁殖，促进更可持续的农业方法。通过增强土壤结构和养分可用性，这些蠕虫有助于农业系统的整体生产力。 然而，尽管它们的重要性，oligochaetes面临着栖息地破坏、污染和气候变化的威胁。化肥和杀虫剂的使用可能对它们的种群产生不利影响，导致土壤健康的下降。旨在保护自然栖息地和促进有机农业实践的保护工作可以帮助确保oligochaetes及其支持的生态系统的生存。 总之，oligochaetes是令人惊叹的生物，在维持土壤健康和促进生物多样性方面发挥着至关重要的作用。它们独特的特征和生态意义使它们成为自然和农业生态系统中的重要组成部分。通过理解和欣赏oligochaetes的重要性，我们可以采取措施保护这些无价的生物及其栖息环境。