quadrat

简明释义

英[ˈkwɒdrət]美[ˈkwɑːdrət]

n. [生物]样方（生态调查的方形地）；嵌块（填空的铅块）

n. （Quadrat）人名；（法）卡德拉；（捷）夸德拉特

英英释义

单词用法

同义词

反义词

例句

1.Within this plot, gap patches and the non gap quadrat near each gap patch were sampled.

在样地中对出现的林窗斑块以及相邻的对照的非林窗样方进行群落学调查。

2.1999 year winter, the summer season, USES the quadrat survey procedure, has carried on the monitor to the ever green nature protection area panda habitat choice.

1999年冬、夏季节，采用样方调查法，对长青自然保护区大熊猫栖息地选择进行了监测。

3.Each small quadrat must be more homogenerous than the sociation as a whole.

每个小样方必须比整个基群丛更为统一。

4.To investigate and study on community characteristeristics of herbaceous plant in Shuangqiao reservoir, village Baohua of Shuicheng county, Quadrat sampling method was used.

采用样方法对六盘水市水城县保华乡拟修建的双桥水库工程区木本植物群落特征进行了调查。

5.To investigate and study on community characteristeristics of herbaceous plant in Shuangqiao reservoir, village Baohua of Shuicheng county, Quadrat sampling method was used.

采用样方法对六盘水市水城县保华乡拟修建的双桥水库工程区木本植物群落特征进行了调查。

6.Each small quadrat must be more homogeneous than the sociation as a whole.

每个小样方必须比整个基群丛更为统一。

7.Quadrat launches the first exclusive interior design collection of more than 20 different products in anodised aluminium . quadrat.

推出首批超过20于种氧级氧化铝高级室内装饰产品。

8.During the ecological study, researchers sampled plants in each quadrat to assess biodiversity.

在生态研究中，研究人员在每个方形区域中采样植物以评估生物多样性。

9.The city planners divided the area into several quadrats for better urban management.

城市规划者将该地区划分为几个方形区域以便更好地进行城市管理。

10.In mathematics, a quadrat refers to a square region on a graph.

在数学中，方形指的是图表上的一个正方形区域。

11.The garden was designed with multiple quadrats to organize different types of flowers.

花园设计了多个方形区域来组织不同种类的花卉。

12.The artist used a quadrat to create a balanced composition in her painting.

这位艺术家使用了一个方形来创作她画作中的平衡构图。

作文

In the field of ecology, researchers often utilize various methods to study plant populations and their distributions. One such method is the use of a sampling technique known as a quadrat. A quadrat is essentially a square or rectangular plot marked out for the purpose of surveying and recording the presence and abundance of species within that specific area. This approach allows scientists to gather quantitative data in a systematic manner, making it easier to analyze patterns and trends in biodiversity.The concept of a quadrat is particularly useful in large and heterogeneous environments where counting every individual plant would be impractical. By selecting multiple quadrats in various locations, researchers can extrapolate their findings to gain insights into the overall population dynamics of a particular species. For instance, if a scientist is studying the distribution of wildflowers in a meadow, they might set up several quadrats throughout the area. Within each quadrat, they would count the number of individual plants, note their species, and measure other environmental variables such as soil type and sunlight exposure.The data collected from these quadrats can then be analyzed statistically to understand how different factors influence plant growth and survival. For example, researchers may find that certain species thrive in shaded areas while others prefer full sun. Such information is crucial for conservation efforts, as it helps identify which habitats are critical for maintaining biodiversity.Moreover, the use of quadrats is not limited to plant studies alone. Ecologists also employ this technique when examining animal populations. By observing animals within designated quadrats, researchers can estimate population densities and investigate behavioral patterns. This method provides a more controlled environment for observation, minimizing the variability that could arise from studying animals in their entire habitat.In addition to its practical applications, the quadrat method also serves an educational purpose. Students and aspiring ecologists often engage in fieldwork that involves setting up quadrats to learn about ecological principles firsthand. This hands-on experience fosters a deeper understanding of ecological relationships and the importance of conserving natural habitats.While the quadrat method has its advantages, there are also limitations to consider. For instance, the size of the quadrat can significantly affect the results. If a quadrat is too small, it may not capture the full diversity of species present, while a quadrat that is too large may include too many variables, complicating the analysis. Therefore, selecting the appropriate size and number of quadrats is critical for obtaining reliable data.In conclusion, the use of a quadrat is a fundamental technique in ecological research that enables scientists to study plant and animal populations effectively. By systematically sampling specific areas, researchers can gather valuable data that informs conservation efforts and enhances our understanding of ecological systems. As we continue to face environmental challenges, the role of methods like the quadrat will be increasingly important in our quest to protect and preserve biodiversity for future generations.

在生态学领域，研究人员常常利用各种方法来研究植物种群及其分布。其中一种方法是使用一种称为quadrat的取样技术。quadrat本质上是一个方形或矩形的地块，用于调查和记录特定区域内物种的存在和丰度。这种方法使科学家能够以系统的方式收集定量数据，从而更容易分析生物多样性的模式和趋势。quadrat的概念在大型和异质环境中特别有用，在这些环境中，计算每一株植物都是不切实际的。通过在不同位置选择多个quadrat，研究人员可以推断他们的发现，从而深入了解特定物种的总体种群动态。例如，如果科学家正在研究草地中野花的分布，他们可能会在该区域设置几个quadrat。在每个quadrat内，他们会计算个体植物的数量，注意它们的物种，并测量其他环境变量，如土壤类型和阳光照射。从这些quadrat收集的数据可以进行统计分析，以了解不同因素如何影响植物的生长和生存。例如，研究人员可能会发现某些物种在阴暗的地方生长良好，而其他物种则更喜欢阳光充足的地方。这些信息对于保护工作至关重要，因为它有助于识别哪些栖息地对维持生物多样性至关重要。此外，quadrat的使用不仅限于植物研究。生态学家在检查动物种群时也采用这种技术。通过观察指定quadrat内的动物，研究人员可以估算种群密度并调查行为模式。这种方法提供了一个更受控制的观察环境，最小化了在整个栖息地中研究动物时可能出现的变异性。除了其实际应用外，quadrat方法还具有教育意义。学生和有志于成为生态学家的人员通常参与涉及设置quadrat的实地工作，以亲身了解生态原理。这种实践经验促进了对生态关系及保护自然栖息地重要性的更深刻理解。尽管quadrat方法有其优点，但也有需要考虑的局限性。例如，quadrat的大小可能会显著影响结果。如果quadrat太小，可能无法捕捉到存在的物种的全部多样性，而如果quadrat太大，可能包含过多变量，复杂化分析。因此，选择适当的quadrat的大小和数量对于获得可靠数据至关重要。总之，使用quadrat是生态研究中的一项基本技术，使科学家能够有效地研究植物和动物种群。通过系统地对特定区域进行采样，研究人员可以收集有价值的数据，这些数据为保护工作提供信息，并增强我们对生态系统的理解。随着我们继续面临环境挑战，像quadrat这样的研究方法在保护和维护未来几代生物多样性方面将变得越来越重要。