Analysis Of Impact And Profit And Loss About Human Economic Activities On Water Ecosystems

As one of the components of water ecosystems,freshwater ecosystems plays a veryimportant role in support the survival and development of human society.On the one hand,itconnects the landing ecosystems and the marine ecosystems,and plays a bridging role in thecycle ofmatter and energy.On the other hand,freshwater is the basic elements of humansurvival,and the main source of human life and production water supply.Also,it plays anextremely important role in fisheries,shipping,irrigation,power generation,maintain biologicalreproduction and degradation of environmental pollution.In recent years,with theadvancement of technology and the improvement of the social productivity,the demand forwater is also rapidly growing, water ecosystems have also been serious influenced anddamaged.For economic development, humans carry predatory exploitation on the limitedaquatic resources.On the other hand, they turn mass production pollutant emissions to waterecosystems.Irrational use of water resources result in a series of bad effection,includingreduction of water ecosystems area, degradationof water quality, loss of biodiversity,degraded of water ecosystems.Therefore,it has become the focus of today’s society for delayand prevent damaged process of water ecosystems and maintain water resources sustainableand healthy development.On the premise of above,paper studies human economic activitieson water ecosystems, summarizes some existing common ecological value calculationmethods, calculations methods of related economic activities on water ecosystems. And makeYangling Demonstration Zone as a case, paper analyses the impact of the general productionand living water using of Yangling Demonstration Zone on water ecosystems, and calculatesthe value of the profit and loss.The paper is structured as follows: The first chapter is the introduction.This chapterintroduces research background,purpose and significance of article, summarizes the study ondomestic and foreign scholars about the impact of human activities on the ecologicalenvironment of the waters.The second chapter analyzes the impact of human economicactivities on water ecosystems.This paper studies the impact of agriculturalindustrialanddomestic water using, and describes the characteristics of the three activities.The thirdchapter introduces some common ecosystem valuation methods, such as market value method, replacement value method, hypothetical market approach, and profit and loss calculationmethod,and explores caculation method of the profit and loss about the impact of agricultural,industrial, and domestic water on water ecosystems.The forth chapter studies the case.Thechapter takes Yangling Agricultural High-tech Demonstration Zone as research object,reseaches the impact of human activities on water ecosystems in Yangling, and calculated theecological value of the profit and loss,and come the loss59.5291billion yuan, the benefitsgenerated607.1million yuan, Yangling pay a huge cost in order to get the benefits.The lastchapter summarizes the full text.With the increasing destruction human activity to theecological environment, the ecological damage caused has begun to affect the survival anddevelopment of mankind, and how to solve this problem, many scholars are doing efforts topromote the coordinated development of human and social development and the protection ofthe ecological environment.