phytoliths

简明释义

英[faɪtəˌlɪθs]美[faɪtəˌlɪθs]

n. [古植] 植物岩

英英释义

单词用法

同义词

反义词

例句

1.The use of modern phytolith assemblages for the interpretation of fossil phytoliths shows phytolith analysis is an effective method for understanding the grassland vegetation and climate changes.

运用地层中植硅体组合解释过去草原植被及气候变化的关键之一，是要了解研究区现代植硅体形态及表土植硅体组合与现代植被的关系。

2.Analysis of phytoliths shows that the Yunxi Man at Huanglongdong was generally in a warm environment.

植硅体分析显示，黄龙洞郧西人遗址的古环境，总体上是温暖型气候环境。

3.According to nanometer theory, rice phytoliths must have properties of nanometer materials: surface effect, small size effect, quantum effect and macro quantum tunnel effect.

因此水稻植硅石具备纳米材料的独特性状：表面效应、小尺寸效应、量子尺寸效应和宏观量子隧道效应。

4.Many cultivated plants can produce some phytoliths which have special morphological characteristics.

许多栽培植物能够产生具属种一级鉴定特征的植物硅酸体。

5.New information on the response of vegetation to air-fall volcanic ash is provided by analysis of phytoliths from sediments containing major tephra beds.

含火山灰层沉积的植硅体分析为了解植被对从空中下降的火山灰的反应提供新的信息。

6.The use of modern phytolith assemblages for the interpretation of fossil phytoliths shows phytolith analysis is an effective method for understanding the grassland vegetation and climate changes.

运用地层中植硅体组合解释过去草原植被及气候变化的关键之一，是要了解研究区现代植硅体形态及表土植硅体组合与现代植被的关系。

7.Near the hot springs on the north slope of the Changbai Mountains, the phytoliths in soil are obviously different from those in neighboring places.

温泉附近土壤中的植硅体则表现出明显的与其上下相邻地点不同的特点。

8.By analyzing phytoliths (植物微体), scientists can reconstruct ancient climates.

通过分析phytoliths (植物微体)，科学家可以重建古代气候。

9.The presence of certain phytoliths (植物微体) indicates specific plant species were once dominant in the area.

某些phytoliths (植物微体) 的存在表明特定植物种类曾在该地区占主导地位。

10.In paleoecology, phytoliths (植物微体) serve as important indicators of past environmental conditions.

在古生态学中，phytoliths (植物微体) 是过去环境条件的重要指标。

11.The study of phytoliths (植物微体) helps archaeologists understand agricultural practices of ancient civilizations.

对phytoliths (植物微体) 的研究帮助考古学家了解古代文明的农业实践。

12.Researchers found that the phytoliths (植物微体) in ancient soils can provide insights into past vegetation.

研究人员发现，古代土壤中的phytoliths (植物微体) 可以提供关于过去植被的见解。

作文

Phytoliths are microscopic silica structures that form within the cells of plants. These tiny, often glass-like bodies are created when plants absorb silica from the soil and deposit it in their tissues. The term 'phytolith' comes from the Greek words 'phyto,' meaning plant, and 'lithos,' meaning stone. This unique feature allows scientists to study ancient plant life and understand past environmental conditions. Because phytoliths are resistant to decay, they can remain in the soil long after the original plant has died, providing a valuable record of vegetation over time.The study of phytoliths is known as phytolith analysis, which is an essential tool in paleoecology, archaeology, and anthropology. By examining the types and quantities of phytoliths found in sediment layers, researchers can reconstruct ancient ecosystems and determine what types of plants were present at different points in history. This information can reveal changes in climate, human activity, and land use over thousands of years.For example, in archaeological sites, phytoliths can help identify the types of crops that were cultivated by ancient civilizations. By analyzing soil samples from these sites, scientists can find phytoliths that correspond to domesticated plants such as rice, wheat, or maize. This evidence can provide insights into agricultural practices and dietary habits of past populations, helping us understand how societies evolved and adapted to their environments.Moreover, phytoliths can also serve as indicators of environmental change. As climates shift, the types of plants that thrive in an area will change as well. By studying the phytoliths left behind in sediment, researchers can track these shifts and gain insights into how ecosystems respond to climate change. This information is increasingly important in our current era of rapid environmental change, as it helps us understand potential future scenarios based on past patterns.In addition to their applications in ecology and archaeology, phytoliths have practical implications for modern agriculture. Understanding which phytoliths are associated with specific crops can aid in soil management and crop selection. Farmers can use this knowledge to improve yields and sustainability by selecting crops that are better suited to their local soil conditions.In conclusion, phytoliths are more than just remnants of ancient plants; they are vital tools for understanding the history of our planet's ecosystems and the development of human societies. Their resilience and abundance in the geological record make them invaluable for researchers studying past climates, environments, and agricultural practices. As we continue to face challenges related to climate change and food security, the insights gained from phytoliths will be crucial in guiding our efforts to adapt and thrive in a changing world.

植物硅体是形成于植物细胞内的微小硅结构。这些微小的、通常呈玻璃状的物体是在植物从土壤中吸收硅并将其沉积到组织中时形成的。术语“植物硅体”源自希腊词“phyto”，意为植物，以及“lithos”，意为石头。这一独特特征使科学家能够研究古代植物生命并理解过去的环境条件。由于植物硅体耐腐烂，它们可以在原始植物死亡后长时间留在土壤中，从而提供了植物群落随时间变化的有价值记录。对植物硅体的研究被称为植物硅体分析，它是古生态学、考古学和人类学中的重要工具。通过检查沉积层中发现的植物硅体的类型和数量，研究人员可以重建古代生态系统，并确定不同历史时期存在的植物类型。这些信息可以揭示气候、人类活动和土地利用在数千年间的变化。例如，在考古遗址中，植物硅体可以帮助识别古代文明所种植的作物类型。通过分析这些遗址的土壤样本，科学家可以找到与水稻、小麦或玉米等驯化植物相对应的植物硅体。这些证据可以提供对古代人口农业实践和饮食习惯的洞察，帮助我们理解社会如何演变和适应其环境。此外，植物硅体还可以作为环境变化的指示器。随着气候的变化，某个地区繁茂的植物类型也会发生变化。通过研究沉积中留下的植物硅体，研究人员可以追踪这些变化，并获得生态系统如何响应气候变化的见解。这些信息在我们当前快速环境变化的时代越来越重要，因为它帮助我们理解基于过去模式的潜在未来情景。除了在生态学和考古学中的应用外，植物硅体对现代农业也有实际意义。了解哪些植物硅体与特定作物相关，可以帮助土壤管理和作物选择。农民可以利用这一知识，通过选择更适合当地土壤条件的作物来提高产量和可持续性。总之，植物硅体不仅仅是古代植物的残余；它们是理解我们星球生态系统历史和人类社会发展的重要工具。它们在地质记录中的韧性和丰富性使它们对研究人员研究过去气候、环境和农业实践变得无比珍贵。随着我们继续面临与气候变化和粮食安全相关的挑战，从植物硅体获得的见解将在指导我们适应和在变化的世界中繁荣方面发挥关键作用。