Question

Продуктивность основных экосистем

Answer 1

Http://www.grandars.ru/shkola/geografiya/produktivnost-ekosistem.html
тут все есть. посмотри

Answer 2

Productivity of Major Ecosystems

The productivity of major ecosystems is a complex topic that can vary depending on various factors such as climate, geography, and human activities. While I couldn't find specific information on the productivity of all major ecosystems, I can provide some general insights.

1. Terrestrial Ecosystems: Terrestrial ecosystems include forests, grasslands, deserts, and tundra. These ecosystems play a crucial role in supporting biodiversity, regulating climate, and providing resources for human populations. The productivity of terrestrial ecosystems is primarily driven by factors such as sunlight, temperature, precipitation, and nutrient availability.

- Forests: Forests are highly productive ecosystems due to the abundance of plant life and the complex interactions between different species. They contribute significantly to carbon sequestration, oxygen production, and the provision of habitat for numerous organisms. - Grasslands: Grasslands are characterized by vast expanses of grasses and are highly productive in terms of supporting grazing animals and providing food resources. They also play a role in carbon storage and soil fertility. - Deserts: Deserts have lower productivity compared to other ecosystems due to limited water availability. However, they still support unique plant and animal species adapted to arid conditions. - Tundra: Tundra ecosystems, found in the Arctic and high-altitude regions, have low productivity due to short growing seasons and cold temperatures. However, they are important for carbon storage and are home to specialized plant and animal species.

2. Aquatic Ecosystems: Aquatic ecosystems include freshwater ecosystems (such as rivers, lakes, and wetlands) and marine ecosystems (such as oceans and coral reefs). These ecosystems are vital for supporting marine life, regulating climate, and providing resources for human populations.

- Freshwater Ecosystems: Freshwater ecosystems are highly productive and support a wide range of plant and animal species. They provide essential services such as water purification, flood control, and habitat for aquatic organisms. - Marine Ecosystems: Marine ecosystems, particularly coral reefs and coastal areas, are known for their high productivity and biodiversity. Coral reefs, for example, are often referred to as the "rainforests of the sea" due to their exceptional productivity and the abundance of species they support.

It's important to note that the productivity of ecosystems can be influenced by human activities such as deforestation, pollution, and climate change. These factors can have both positive and negative impacts on ecosystem productivity.

In conclusion, the productivity of major ecosystems varies depending on factors such as climate, geography, and human activities. Forests, grasslands, freshwater ecosystems, and marine ecosystems are generally considered highly productive due to their ability to support diverse plant and animal life and provide essential ecosystem services.

Note: The information provided above is based on general knowledge and may not cover all specific details about the productivity of each ecosystem.