primary production

简明释义

一次产品

英英释义

例句

1.In marine environments, primary production is primarily driven by phytoplankton, which convert sunlight into energy.

在海洋环境中，初级生产主要由浮游植物驱动，它们将阳光转化为能量。

2.Measuring primary production helps scientists understand the productivity of different ecosystems.

测量初级生产有助于科学家了解不同生态系统的生产力。

3.The study of ecosystems often begins with an analysis of primary production, which refers to the creation of organic compounds from atmospheric or aquatic carbon dioxide.

生态系统的研究通常从分析初级生产开始，指的是从大气或水体中的二氧化碳中创造有机化合物。

4.Agricultural practices can significantly impact primary production by altering soil health and nutrient availability.

农业实践可以通过改变土壤健康和养分可用性显著影响初级生产。

5.Tropical rainforests exhibit high levels of primary production, contributing to their rich biodiversity.

热带雨林表现出高水平的初级生产，这促进了其丰富的生物多样性。

作文

The concept of primary production refers to the process by which autotrophs, such as plants and algae, convert sunlight into chemical energy through photosynthesis. This fundamental process is crucial for sustaining life on Earth, as it forms the basis of the food chain. Without primary production (初级生产), the energy flow in ecosystems would be disrupted, leading to the collapse of food webs and ultimately threatening the survival of various species.In terrestrial ecosystems, primary production occurs primarily in forests, grasslands, and agricultural lands. Plants absorb sunlight and utilize carbon dioxide from the atmosphere, along with water from the soil, to produce glucose and oxygen. The rate at which this occurs can vary greatly depending on several factors, including climate, soil quality, and the availability of nutrients. For instance, tropical rainforests exhibit high levels of primary production due to their warm temperatures and abundant rainfall, while deserts have much lower rates because of their arid conditions.Aquatic ecosystems also rely heavily on primary production. Phytoplankton, microscopic organisms that float on the surface of oceans and lakes, are some of the most important contributors to aquatic primary production (初级生产). They perform photosynthesis just like terrestrial plants and are responsible for producing a significant portion of the world’s oxygen. The health of marine ecosystems hinges on the productivity of these tiny organisms, as they form the foundation of the marine food web.Understanding primary production is not only important for ecological studies but also for addressing environmental issues. For example, human activities such as deforestation, pollution, and climate change can significantly impact primary production rates. Deforestation reduces the number of trees available for photosynthesis, while pollution can harm aquatic phytoplankton populations. Climate change, on the other hand, alters temperature and precipitation patterns, affecting plant growth and productivity.Moreover, measuring primary production is essential for managing natural resources and ensuring food security. Scientists often use various methods, including satellite imagery and field measurements, to assess the productivity of different ecosystems. This information helps in making informed decisions regarding land use, conservation efforts, and agricultural practices. For instance, understanding the primary production (初级生产) potential of a region can guide farmers in selecting suitable crops and optimizing yields.In conclusion, primary production serves as the cornerstone of life on Earth, providing the energy necessary for all living organisms. Its significance extends beyond ecological balance, impacting our economy, health, and environment. As we face challenges such as climate change and resource depletion, prioritizing the protection and enhancement of primary production systems becomes imperative. By fostering sustainable practices and policies, we can ensure that this vital process continues to thrive, supporting both biodiversity and human well-being.

“初级生产”这一概念指的是自养生物（如植物和藻类）通过光合作用将阳光转化为化学能的过程。这一基本过程对维持地球生命至关重要，因为它构成了食物链的基础。没有“初级生产”，生态系统中的能量流动将受到干扰，导致食物网的崩溃，最终威胁到各种物种的生存。在陆地生态系统中，“初级生产”主要发生在森林、草原和农业用地。植物吸收阳光，利用来自大气的二氧化碳以及土壤中的水分，生产葡萄糖和氧气。这一过程的速率因气候、土壤质量和营养物质的可用性等多种因素而异。例如，热带雨林由于温暖的气温和丰富的降雨，表现出高水平的“初级生产”，而沙漠由于干旱条件则具有较低的速率。水生生态系统也在很大程度上依赖于“初级生产”。浮游植物是漂浮在海洋和湖泊表面的微小生物，是水生“初级生产”（初级生产）的重要贡献者。它们与陆地植物一样进行光合作用，并负责生产世界上相当大一部分的氧气。海洋生态系统的健康取决于这些微小生物的生产力，因为它们构成了海洋食物网的基础。理解“初级生产”不仅对生态研究重要，而且对解决环境问题也至关重要。例如，砍伐森林、污染和气候变化等人类活动可能显著影响“初级生产”的速率。砍伐森林减少了可供光合作用的树木数量，而污染可能损害水生浮游植物的种群。另一方面，气候变化改变了温度和降水模式，影响植物的生长和生产力。此外，测量“初级生产”对管理自然资源和确保粮食安全至关重要。科学家们通常使用各种方法，包括卫星图像和实地测量，来评估不同生态系统的生产力。这些信息有助于在土地使用、保护工作和农业实践方面做出明智的决策。例如，了解一个地区的“初级生产”（初级生产）潜力可以指导农民选择合适的作物并优化产量。总之，“初级生产”作为地球生命的基石，提供了所有生物所需的能量。它的重要性超越了生态平衡，影响着我们的经济、健康和环境。面对气候变化和资源枯竭等挑战，优先保护和增强“初级生产”系统变得至关重要。通过促进可持续的实践和政策，我们可以确保这一重要过程继续蓬勃发展，支持生物多样性和人类福祉。