Undisturbed ecosystem ненарушенная (деятельностью человека) экосистема
to maintain an ecosystem поддерживать / сохранять экосистему: Many species of burrowing insects are essential for maintaining a healthy soil ecosystem. 6. the food chain [ singular ] all animals and plants considered as a group in which a plant is eaten by an insect or animal, which is then eaten by another animal and so on пищевая цепь, цепь питания, трофическая связь: Pollution is affecting many creatures lower down the food chain. | Pollution is having a long-term impact on the food chain in the bay. | The fox is needed in the food chain. | The oil spill has killed off billions of microscopic sea plants, thus threatening marine life further up the food chain. | Pesticides destroy insects that are an important part of the food chain for several species of songbird. 7. balance of nature / the environment | ecological balance / equilibrium [ singular ] равновесие в природе, экологическое / природное равновесие, экологический баланс: The order to create wealth can never justify permanent damage to the balance of nature. | The effluents we pour heedlessly into its waters are a threat to its delicate ecological balance. to maintain / preserve the balance of nature / the balance of the environment / the ecological balance / equilibrium поддерживать / сохранять равновесие в природе / экологический баланс: I know that it is unnecessary to rip animals to pieces to preserve the balance of nature. to upset / destroy / harm / disturb / alter the balance of nature / the balance of the environment / the ecological balance / equilibrium нарушать равновесие в природе / экологический баланс: Pesticides seriously upset the balance of nature. | The chemicals upset the balance of the environment. | There are warnings that the building of the dam will upset the ecological balance of the river basin. | The ecological balance in the area could be destroyed. | Large dams have harmed Siberia's delicate ecological balance. 8. environmental (adjective) relating to the natural world and the effect that human activity has on it экологический; относящийся к окружающей среде; относящийся к борьбе с загрязнением окружающей среды: Measures need to be taken to mitigate the environmental effects of burning more coal. | It protects against environmental hazards such as wind and sun. | The National Environmental Protection Act (NEPA), also enacted in 1970, required an environmental assessment of all federally funded projects. environmental pollution / destruction загрязнение / разрушение окружающей среды: The project has enabled farmers to reduce environmental pollution whilst raising crop yields. | Nor do they contribute to environmental pollution by burning fossil fuels. | They are already threatened with environmental destruction, since 88 % of their original vegetation has been destroyed. | Yet in the age of unprecedented environmental destruction an awkward question nags at us. environmental harm / damage (to sth): An oil spill of that size will cause a lot of environmental damage. | Seventy percent of global environmental damage is because of the rich countries. environmental effect / impact влияние / воздействие на окружающую среду: Conservation strategies that would not alter lifestyles but would greatly lessen environmental impact are essential in the developed world. | The Commission claims that the government has breached the directive which requires an assessment of the environmental impact of major projects. environmental consequences / effects / implications экологические последствия, последствия для окружающей среды: Some of the environmental consequences have been deeply negative. | Yet the environmental consequences of unchecked population growth will be devastating. | Removal of tariffs on forest products will have devastating environmental consequences on the world's remaining forests. | We believe a much better understanding of the environmental implications of using secondary aggregates is urgently required. environmental disaster / catastrophe экологическое бедствие, экологическая катастрофа: Perhaps international pressure can stop this environmental disaster. | The result is that civil, socio-political and environmental disasters are now threatening the roots of our existence. | They act as a complement to his large works which are responses to a progressive environmental catastrophe.
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