phytolith

简明释义

英[ˈfaɪtəlɪθ]美[ˈfaɪtoʊˌlɪθ]

植物化石

英英释义

单词用法

同义词

反义词

例句

1.Phytolith analysis in the surface soils is not only an important approach of studying phytolith assemblages in the Quaternary sediments, but also a basis of Quaternary environment reconstruction.

表土沉积物中的植硅体分析是了解第四纪沉积物中植硅体组成的重要途径，也是重建第四纪古环境的基础。

2.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。

3.As an important way for the research of the relationship between ancient people and plants, phytolith analysis from the archaeological sites has become attractive to more and more researchers.

作为分析古代人类与植物关系的手段之一，植硅体分析在研究考古遗址中的人类活动、栽培作物及加工方式等方面，都越来越显示巨大的潜力。

4.Phytolith analysis in the surface soils is not only an important approach of studying phytolith assemblages in the Quaternary sediments, but also a basis of Quaternary environment reconstruction.

表土沉积物中的植硅体分析是了解第四纪沉积物中植硅体组成的重要途径，也是重建第四纪古环境的基础。

5.The paper briefly introduces the lithologic features, and accumulation age of the vermicular red earth and mainly elaborate phytolith in it and its paleoclimatic indication.

简述了江西修水网纹红土的岩性特征和形成时代，重点讨论了网纹红土中的植硅石及其古气候信息。

6.Significant changes in phytolith assemblages occur at the same depth as four major tephra. indicating a sharp decline in trees and shrubs and a surge in grass and Cyperaceae.

植硅体组合在4个主要的火山灰层都发生了明显的变化，表现在树木和灌木的急剧下降及禾草类和莎草科的繁盛。

7.The main types of phytolith indicated warm climate are fan type and square-rectangle type.

在相对寒冷时期，植硅体组合是以反映寒冷气候成分的棒型较为丰富；

8.Researchers found that the phytolith 植物微体 in ancient soils can provide insights into past vegetation.

研究人员发现，古代土壤中的植物微体可以提供关于过去植被的见解。

9.Paleobotanists use phytolith 植物微体 to identify ancient grasslands and forests.

古植物学家使用植物微体来识别古代草原和森林。

10.The presence of phytoliths 植物微体 in archaeological samples helps in reconstructing ancient diets.

考古样本中植物微体的存在有助于重建古代饮食。

11.Scientists analyze phytolith 植物微体 to determine the types of plants that grew in a region thousands of years ago.

科学家分析植物微体以确定数千年前在某个地区生长的植物类型。

12.The study of phytoliths 植物微体 can reveal information about climate changes over millennia.

对植物微体的研究可以揭示千年来气候变化的信息。

作文

Phytoliths, which are microscopic silica structures formed in the cells of plants, play a significant role in understanding past environments and climates. These tiny, durable structures can persist long after the plant itself has decayed, providing valuable information about the vegetation that existed in a particular area at a specific time. The term phytolith (植物微石) comes from the Greek words 'phyto' meaning plant and 'lithos' meaning stone, highlighting their mineral nature. Researchers often employ phytolith (植物微石) analysis in paleoecology and archaeology to reconstruct ancient landscapes and agricultural practices.One of the primary advantages of studying phytolith (植物微石) is their resilience. Unlike pollen, which can degrade relatively quickly, phytolith (植物微石) can remain intact for thousands of years, allowing scientists to gather data from sediment cores taken from lakes, rivers, and archaeological sites. This durability makes phytolith (植物微石) an essential tool for understanding changes in climate and vegetation over time.The process of extracting and analyzing phytolith (植物微石) involves several steps. First, soil or sediment samples are collected from the site of interest. These samples are then treated with chemicals to dissolve organic matter, leaving behind the phytolith (植物微石) and other inorganic materials. Once isolated, researchers can identify the types of plants that produced the phytolith (植物微石) based on their unique shapes and sizes.For example, certain species of grasses produce distinct phytolith (植物微石) shapes that can be easily recognized under a microscope. By identifying these shapes, scientists can infer whether a region was once covered by grasslands, forests, or other types of vegetation. This information is crucial for understanding how ecosystems have changed in response to climate shifts, human activity, and other environmental factors.In addition to ecological studies, phytolith (植物微石) analysis has important implications for archaeology. Many ancient cultures relied on specific plants for food, medicine, and construction. By examining the phytolith (植物微石) found at archaeological sites, researchers can gain insights into the agricultural practices of past societies. For instance, the presence of maize phytolith (植物微石) in a sediment layer may indicate that this crop was cultivated in the area, shedding light on the diet and farming techniques of the inhabitants.Moreover, phytolith (植物微石) research can contribute to our understanding of human-environment interactions. As people modified their landscapes through agriculture and deforestation, the resulting changes would be reflected in the phytolith (植物微石) record. This information can help us comprehend the long-term impacts of human activity on ecosystems and guide contemporary conservation efforts.In conclusion, phytolith (植物微石) are invaluable tools for scientists studying past environments and human interactions with nature. Their resilience and ability to provide detailed information about ancient vegetation make them essential for reconstructing historical landscapes. As we continue to face pressing environmental challenges, understanding our planet's history through phytolith (植物微石) analysis can inform sustainable practices and help us navigate future ecological changes.

植物微石（phytolith）是植物细胞中形成的微小硅酸盐结构，在理解过去的环境和气候方面发挥着重要作用。这些微小而耐久的结构可以在植物本身腐烂后长期存在，为特定区域在特定时期存在的植被提供宝贵的信息。术语phytolith（植物微石）源自希腊词“phyto”，意为植物，“lithos”，意为石头，突显了它们的矿物特性。研究人员通常在古生态学和考古学中采用phytolith（植物微石）分析，以重建古代景观和农业实践。研究phytolith（植物微石）的主要优势之一是它们的韧性。与相对较快降解的花粉不同，phytolith（植物微石）可以保持完整数千年，使科学家能够从湖泊、河流和考古遗址提取的沉积物核心中收集数据。这种耐久性使得phytolith（植物微石）成为理解气候和植被随时间变化的重要工具。提取和分析phytolith（植物微石）的过程包括几个步骤。首先，从感兴趣的地点采集土壤或沉积物样本。然后，这些样本用化学药品处理，以溶解有机物，留下phytolith（植物微石）和其他无机材料。一旦分离出来，研究人员可以根据其独特的形状和大小识别产生phytolith（植物微石）的植物类型。例如，某些种类的草会产生独特的phytolith（植物微石）形状，这可以在显微镜下轻松识别。通过识别这些形状，科学家可以推断出一个地区曾经是草原、森林或其他类型植被覆盖。这些信息对于理解生态系统如何响应气候变化、人类活动和其他环境因素至关重要。除了生态研究外，phytolith（植物微石）分析在考古学中也具有重要意义。许多古代文化依赖特定植物作为食物、药物和建筑材料。通过检查考古遗址中发现的phytolith（植物微石），研究人员可以深入了解过去社会的农业实践。例如，沉积层中存在玉米phytolith（植物微石）可能表明该作物在该地区被种植，从而揭示居民的饮食和耕作技术。此外，phytolith（植物微石）研究可以帮助我们理解人类与环境之间的相互作用。随着人们通过农业和森林砍伐改造他们的景观，所导致的变化将在phytolith（植物微石）记录中反映出来。这些信息可以帮助我们理解人类活动对生态系统的长期影响，并指导当代保护工作。总之，phytolith（植物微石）是科学家研究过去环境和人类与自然互动的宝贵工具。它们的韧性和提供关于古代植被详细信息的能力使它们成为重建历史景观的关键。随着我们继续面临紧迫的环境挑战，通过phytolith（植物微石）分析理解我们星球的历史可以为可持续实践提供指导，并帮助我们应对未来的生态变化。