macrofauna

简明释义

英[/ˌmækroʊˈfɔːnə/]美[/ˌmækroʊˈfɔːnə/]

n. 宏观区系；[动] 广动物区系；大型生物

英英释义

单词用法

同义词

反义词

例句

1.There were 20 groups of macrofauna by hand sorting, mainly including Coleoptera and their larvae, Hymenoptera, Isoptera and Diplopoda.

手捡大型土壤动物共20个类群，以鞘翅目及其幼虫、膜翅目以及等翅目和倍足纲为主。

2.Soil organic matter plays an important role in global carbon cycle; soil macrofauna are key organisms controlling soil carbon stability.

土壤有机碳是全球碳循环的重要组成部分，而大型土壤动物对土壤碳库的稳定性起着重要的决定作用。

3.The results showed that, seasonal change of total mean biomass of benthic macrofauna in the mangroves was not significant(P>0.05).

结果表明，红树区底栖大型动物群落总平均生物量的季节变化是不显著的（P＞0．05）。

4.The result shows that the benthic macrofauna in theinvestigated area was rare, 56 species were only identified.

调查结果表明：本调查区域大型底栖动物较贫乏，经鉴定有56种；

5.The vertical distribution of soil macrofauna had obvious surface assembly.

垂直分布显示大型土壤动物具明显的表聚现象。

6.Soil organic matter plays an important role in global carbon cycle; soil macrofauna are key organisms controlling soil carbon stability.

土壤有机碳是全球碳循环的重要组成部分，而大型土壤动物对土壤碳库的稳定性起着重要的决定作用。

7.There was a clear phenomenon which soil macrofauna were accumulated in surface soils.

该区大型土壤动物的分布有明显的表聚现象；

8.In 1986 and 1988 the authors sampled macrofauna benthos and investigated the distribution of biomass and density.

作者于1986年和1988年在连云港海域进行了底栖动物采样，调查得出了生物量和栖息密度的分布概况。

9.There are 111 species of benthic macrofauna in Shankou mangrove reserve area, Guangxi, China.

山口红树林区有111种大型底栖动物。

10.The compositions and the quantities of soil macrofauna communities differed in different habitats.

不同城市绿地生境中的土壤动物的类群组成以及个体数不同。

11.The presence of diverse macrofauna indicates a balanced habitat.

多样化的大型动物群的存在表明栖息地的平衡。

12.The team conducted a survey on the macrofauna of the forest floor.

团队对森林地面的大型动物群进行了调查。

13.Researchers collected samples of macrofauna from the river to assess pollution levels.

研究人员从河流中收集了大型动物群样本以评估污染水平。

14.In wetlands, macrofauna play a crucial role in nutrient cycling.

在湿地中，大型动物群在营养循环中起着至关重要的作用。

15.The study of macrofauna helps scientists understand the health of marine ecosystems.

对大型动物群的研究帮助科学家理解海洋生态系统的健康状况。

作文

In the study of ecology, the term macrofauna refers to the larger animals that inhabit various ecosystems. These organisms are typically defined as those that are visible to the naked eye and usually measure more than one millimeter in size. Examples of macrofauna include insects, worms, and larger species such as mammals and birds. Understanding the role of macrofauna in an ecosystem is crucial for several reasons, including biodiversity, ecological balance, and environmental health.One of the primary roles of macrofauna is their contribution to soil health. Many macrofauna species, such as earthworms, aerate the soil and help in the decomposition of organic matter. This process enriches the soil with nutrients, making it more fertile and conducive for plant growth. Without these larger organisms, soil would become compacted and less hospitable for plants, which are the foundation of most ecosystems.Moreover, macrofauna plays a significant role in food webs. They are often prey for larger predators, thus serving as a vital link in the transfer of energy within an ecosystem. For instance, birds that feed on insects rely on the abundance of macrofauna for their survival. In this way, the health and population dynamics of macrofauna can directly influence the populations of higher trophic levels, demonstrating their importance in maintaining ecological balance.In addition to their ecological functions, macrofauna also serves as indicators of environmental health. Certain species are sensitive to changes in their habitat, such as pollution or climate change. By monitoring the diversity and abundance of macrofauna, scientists can assess the overall health of an ecosystem. For example, a decline in specific macrofauna populations may signal problems like habitat degradation or contamination, prompting further investigation and potential conservation efforts.The study of macrofauna is not limited to terrestrial environments; it also extends to aquatic ecosystems. In freshwater and marine habitats, macrofauna includes organisms such as crabs, lobsters, and larger fish species. These creatures contribute to nutrient cycling and play essential roles in their respective food webs. The health of aquatic macrofauna is equally important, as it reflects the condition of water quality and habitat integrity.In conclusion, macrofauna is a critical component of ecosystems, influencing soil health, food web dynamics, and environmental monitoring. As we face increasing environmental challenges, understanding and preserving macrofauna becomes ever more important. Conservation efforts must consider the needs of these organisms to ensure the sustainability of ecosystems. By protecting macrofauna, we are also safeguarding the myriad of benefits they provide to the environment and, ultimately, to humanity itself. Therefore, the study and appreciation of macrofauna should be a priority for ecologists, conservationists, and the general public alike.

在生态学研究中，术语宏观动物群指的是栖息在各种生态系统中的较大动物。这些生物通常被定义为肉眼可见且通常大小超过一毫米的生物。宏观动物群的例子包括昆虫、蠕虫以及更大的物种，如哺乳动物和鸟类。理解宏观动物群在生态系统中的作用至关重要，这包括生物多样性、生态平衡和环境健康。宏观动物群的主要作用之一是它们对土壤健康的贡献。许多宏观动物群物种，如蚯蚓，能够疏松土壤并帮助分解有机物。这一过程使土壤富含养分，使其更肥沃，更适合植物生长。如果没有这些较大的生物，土壤将变得紧实，不利于植物生长，而植物又是大多数生态系统的基础。此外，宏观动物群在食物链中也发挥着重要作用。它们通常是较大捕食者的猎物，因此在生态系统内能量转移中起着重要的连接作用。例如，以昆虫为食的鸟类依赖于宏观动物群的丰富性来维持生存。通过这种方式，宏观动物群的健康和种群动态可以直接影响更高营养级别的种群，显示出它们在维持生态平衡中的重要性。除了生态功能外，宏观动物群还作为环境健康的指标。某些物种对栖息地变化（如污染或气候变化）非常敏感。通过监测宏观动物群的多样性和丰度，科学家可以评估生态系统的整体健康。例如，特定宏观动物群种群的下降可能预示着栖息地退化或污染等问题，促使进一步调查和潜在的保护措施。宏观动物群的研究不仅限于陆地环境；它还扩展到水生生态系统。在淡水和海洋栖息地中，宏观动物群包括螃蟹、龙虾和较大的鱼类。这些生物有助于养分循环，并在各自的食物链中发挥重要作用。水生宏观动物群的健康同样重要，因为它反映了水质和栖息地完整性的状况。总之，宏观动物群是生态系统的重要组成部分，影响着土壤健康、食物链动态和环境监测。随着我们面临越来越多的环境挑战，理解和保护宏观动物群变得愈发重要。保护工作必须考虑到这些生物的需求，以确保生态系统的可持续性。通过保护宏观动物群，我们也在保护它们为环境和最终人类本身提供的众多益处。因此，研究和欣赏宏观动物群应成为生态学家、保护主义者和公众的优先事项。