Question

Как человек изменяет водную среду обитания сочинение

Answer 1

 (совокупность океанов, морей, вод континентов, ледниковых покровов) называется гидросфера. В более широком смысле в состав гидросферы включают также подземные воды, лед и снег Арктики и Антарктики, а также атмосферную воду и воду, содержащуюся в живых организмах.Основная масса воды гидросферы сосредоточена в морях и океанах, второе место занимают подземные воды, третье — лед и снег арктических и антарктических областей. Общий объем природных вод составляет примерно 1,39 млрд км3 (1/780 объема планеты). Воды покрывают 71 % поверхности земного шара (361 млн км2).Запасы воды на планете (% от общего количества) распределились следующим образом:

Answer 2

How Humans Impact the Aquatic Environment

Human activities have a significant impact on the aquatic environment, affecting both freshwater and marine ecosystems. Here are some ways in which humans alter the aquatic environment:

Pollution: - Human activities contribute to water pollution through the release of various contaminants such as chemicals, heavy metals, and nutrients into water bodies. This pollution can have detrimental effects on aquatic life and water quality.

Overfishing and Habitat Destruction: - Overfishing and destructive fishing practices, such as bottom trawling, can lead to the depletion of fish populations and damage to marine habitats. This can disrupt the balance of aquatic ecosystems and threaten the survival of various species.

Climate Change: - Human-induced climate change has wide-ranging effects on the aquatic environment, including rising sea levels, ocean acidification, and changes in water temperature. These changes can have profound impacts on marine life and ecosystems.

Introduction of Invasive Species: - Human activities, such as shipping and trade, can inadvertently introduce non-native species into aquatic environments. These invasive species can outcompete native species, disrupt food webs, and alter the structure of aquatic ecosystems.

Habitat Alteration: - Human development, including the construction of dams, canals, and waterfront infrastructure, can alter the natural flow of water and disrupt the habitats of aquatic organisms. This alteration can have cascading effects on the entire ecosystem.

Marine Debris: - Improper disposal of plastic and other waste materials leads to the accumulation of marine debris in oceans and waterways. This debris can harm marine life through ingestion, entanglement, and habitat destruction.

Noise Pollution: - Human activities, such as shipping, construction, and recreational boating, contribute to underwater noise pollution. This can disrupt the behavior and communication of marine animals, leading to negative impacts on their survival and reproduction.

Regulatory Measures: - Governments and organizations have implemented various regulations and conservation efforts to mitigate the impact of human activities on the aquatic environment. These measures include marine protected areas, sustainable fishing practices, and pollution control initiatives.

Socio-Economic Factors: - The socio-economic activities of human communities, such as fishing, tourism, and coastal development, can both depend on and impact the aquatic environment. Balancing economic needs with environmental conservation is a complex challenge that requires careful management and planning.

In conclusion, human activities have a profound and multifaceted impact on the aquatic environment, necessitating sustainable and responsible practices to ensure the health and preservation of these vital ecosystems