Question

4r principal of ecosystem pollution

Answer 1

The 4 R principle is: 4R means Reduce, Reuse, Recycle and Restore. Reduce- We must reduce the use of resources as much as possible and save them for the future generation.

The 4Rs - reduction, reuse, recycling and recovery. ... A number of waste prevention techniques are available, and they are commonly summarized as the so-called 4Rs: reduction, reuse, recycling and recovery. Reduction, reuse and recycling are known in the industry as the 3Rs.

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Answer 2

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All forms of pollution pose a serious threat to biodiversity, but in particular nutrient loading, primarily of nitrogen and phosphorus, which is a major and increasing cause of biodiversity loss and ecosystem dysfunction. Atmospheric nitrogen deposition represents a major threat to European biodiversity and a serious challenge for the conservation of natural habitats and species. In addition, nitrogen compounds can lead to eutrophication of ecosystems. The main pollution sources are from transport and agriculture. It is the only air pollutant for which concentrations have not decreased in Europe following the implementation of legislation.

For many European ecosystem types, studies have concluded that nitrogen deposition results in loss of species richness. Peatland ecosystems provide an example of how species replacement, resulting from nitrogen deposition, may alter ecosystems functionality. For example, the carbon sequestration capacity of rain fed (ombrotrophic) bog ecosystems decreases when subjected to elevated nitrogen inputs.