allochthonous

简明释义

[əˈlɒkθənəs][əˈlɑːkθənəs]

adj. 外来的;被搬移的

英英释义

Describing a rock or sediment that originated from a different location than where it is currently found.

描述一种岩石或沉积物,起源于与其当前所在位置不同的地方。

Referring to organisms or species that are not native to a particular area, having been introduced from elsewhere.

指不属于特定区域的生物或物种,已从其他地方引入。

单词用法

allochthonous rocks

外源岩石

allochthonous sediments

外源沉积物

allochthonous origin

外源起源

allochthonous species

外源物种

同义词

foreign

外来的

The allochthonous materials were derived from a different geological setting.

这些外来的材料源自不同的地质环境。

exogenous

外源的

Exogenous factors can significantly influence local ecosystems.

外源因素可以显著影响当地生态系统。

imported

进口的

Imported species often disrupt local biodiversity.

进口物种常常扰乱当地生物多样性。

non-native

非本地的

Non-native plants can sometimes outcompete indigenous flora.

非本地植物有时会超越本土植物。

反义词

autochthonous

自生的;本土的

The autochthonous species of plants are well adapted to the local climate.

自生植物种类适应当地气候。

native

本地的;土著的

The native culture has rich traditions that have been preserved over centuries.

本土文化拥有丰富的传统,经过几个世纪得以保存。

例句

1.Autochthonous or allochthonous, may be important in the total metabolic system of lakes and streams.

自源的或他源的在湖泊与河流的总代谢系统中都可能是重要的。

2.Some Archean greenstone belts represent collages of allochthonous fragments, among which oceanic crust slices are identified with characteristics distinct from the Phanerozoic ophiolites.

部分太古宙绿岩带由不同的构造单元拼合而成,并发育不同于显生宙蛇绿岩的大洋壳岩石组合。

3.AIM: to approach the best therapeutic measures after allochthonous intermingled with autogenous bone transplantation in children with tumor-like legion.

目的:探讨同种异体骨联合自体骨复合骨移植应用于儿童瘤样骨病术后的最佳治疗措施。

4.Whether autochthonous or allochthonous, may be important in the total metabolic system of lakes and streams.

无论是自源的或他源的,在湖泊与河流的总代谢系统中都可能是重要的。

5.This paper introduced the research progress of the allochthonous carbonate blocks and carbonate gravity flow for the line sourced carbonate aprons and the point sourced carbonate submarine fans.

着重介绍了异地碳酸盐岩块体和碳酸盐岩重力流沉积的研究进展,即线源式的碳酸盐岩裙沉积和点源式的碳酸盐岩海底扇沉积;

6.The typical salt tectonic styles include salt cored anticlines, allochthonous salt, salt pillows, salt (fault) welds, salt necking, salt-associated depressions and "fish-tail" structures.

其中典型盐构造样式有盐核背斜、外来盐、盐枕、盐焊接和断层焊接、盐缩颈、盐成凹陷和“鱼尾”构造。

7.This paper introduced the research progress of the allochthonous carbonate blocks and carbonate gravity flow for the line sourced carbonate aprons and the point sourced carbonate submarine fans.

着重介绍了异地碳酸盐岩块体和碳酸盐岩重力流沉积的研究进展,即线源式的碳酸盐岩裙沉积和点源式的碳酸盐岩海底扇沉积;

8.Whether autochthonous or allochthonous may be important in the total metabolic system of lakes and streams.

无论是自源的或他源的,在湖泊与河流的总代谢系统中都可能是重要的。

9.Many species rely on allochthonous 外来 organic matter for their energy and nutrient needs.

许多物种依赖于外来有机物以满足它们的能量和营养需求。

10.The geological study revealed that the region was primarily composed of allochthonous 外来岩石 materials transported from distant locations.

地质研究显示,该地区主要由外来岩石材料组成,这些材料是从远处运输过来的。

11.In ecology, allochthonous 外源性 inputs can significantly affect the nutrient dynamics of a river ecosystem.

在生态学中,外源性输入可以显著影响河流生态系统的营养动态。

12.The researchers classified the sediments as allochthonous 外来沉积物 because they originated from upstream sources.

研究人员将这些沉积物归类为外来沉积物,因为它们起源于上游来源。

13.The concept of allochthonous 外来 materials is crucial in understanding sediment transport processes.

理解沉积物运输过程时,外来材料的概念至关重要。

作文

The term allochthonous refers to materials or organisms that originate from a different location than where they are currently found. In the context of geology, it describes rocks or sediments that have been transported from their original site of formation. This concept is critical for understanding various processes in both geological and ecological systems. For instance, when studying river systems, one might encounter allochthonous sediments that have been eroded from upstream areas and deposited downstream. This movement not only alters the landscape but also impacts the local ecosystems by introducing new materials and nutrients.In ecology, the idea of allochthonous can be applied to organic matter as well. For example, leaves that fall into a stream from surrounding trees are considered allochthonous inputs. These leaves contribute to the nutrient cycle within the aquatic ecosystem, providing food for decomposers and influencing the growth of algae and other aquatic plants. Understanding the role of allochthonous materials helps ecologists assess the health of an ecosystem and its ability to sustain various forms of life.Moreover, the concept of allochthonous extends beyond natural sciences into fields such as archaeology and anthropology. Artifacts discovered at a site may be allochthonous if they were brought there through trade or migration rather than being locally produced. This distinction can provide valuable insights into historical human behavior and cultural exchanges.In urban planning and environmental management, recognizing allochthonous elements is equally important. For example, when assessing the impact of construction on local habitats, planners must consider how imported materials and species might affect the existing ecosystem. The introduction of allochthonous species can lead to competition with native species, potentially disrupting the balance of the ecosystem.In summary, the concept of allochthonous is significant across multiple disciplines. Its implications stretch from geological formations to ecological dynamics, and even into the realms of culture and society. By understanding the origins and movements of materials and organisms, researchers and practitioners can make more informed decisions regarding conservation, resource management, and sustainable development. The study of allochthonous materials not only enhances our knowledge of natural processes but also deepens our appreciation for the interconnectedness of all elements within an ecosystem, whether they are local or foreign in origin. Thus, the term allochthonous serves as a reminder of the complexities and interdependencies that characterize our world, urging us to consider the broader implications of our actions on the environment and society at large.

“外源性”一词指的是那些来源于与其当前所在位置不同的材料或生物。在地质学中,它描述了从原始形成地点被运输过来的岩石或沉积物。这个概念对于理解地质和生态系统中的各种过程至关重要。例如,在研究河流系统时,人们可能会遇到从上游区域侵蚀而来的“外源性”沉积物,这些沉积物被沉积在下游。这种运动不仅改变了地貌,还通过引入新材料和养分影响当地生态系统。在生态学中,“外源性”的概念同样适用于有机物。例如,落入溪流中的树叶被视为“外源性”输入。这些树叶为水生生态系统中的营养循环做出了贡献,为分解者提供了食物,并影响藻类和其他水生植物的生长。理解“外源性”材料的作用有助于生态学家评估生态系统的健康状况及其维持各种生命形式的能力。此外,“外源性”的概念超越了自然科学,延伸到考古学和人类学等领域。在一个遗址发现的文物如果是通过贸易或迁徙带到那里,而不是在当地生产的,那么这些文物就被认为是“外源性”的。这一区别可以为历史人类行为和文化交流提供宝贵的见解。在城市规划和环境管理中,识别“外源性”元素同样重要。例如,在评估建筑对当地栖息地的影响时,规划者必须考虑进口材料和物种可能对现有生态系统的影响。引入“外源性”物种可能导致与本地物种的竞争,从而潜在地破坏生态系统的平衡。总之,“外源性”概念在多个学科中具有重要意义。它的影响从地质构造延伸到生态动态,甚至进入文化和社会领域。通过理解材料和生物的起源与运动,研究人员和从业者能够在保护、资源管理和可持续发展方面做出更明智的决策。对“外源性”材料的研究不仅增强了我们对自然过程的理解,还加深了我们对生态系统中所有元素之间相互联系的欣赏,无论它们是本地还是外来。因此,“外源性”这一术语提醒我们,复杂性和相互依赖性是我们世界的特征,促使我们考虑行动对环境和社会整体的更广泛影响。