Вопрос № 41008 - Английский язык

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                                            Forest health
1. The importance of pests and their negative impacts on forests are often underestimated. Pest outbreaks can contribute either directly or indirectly to economic and environmental losses. Insects and diseases can have adverse effects on tree growth and survival, yield and quality of wood and non-wood products, wildlife habitat, recreation and scenic and cultural value. Yet they are integral components of forests.
2. Invasive plant species can also cause damage through competition and prevention of regeneration of native tree species, posing new challenges especially to the in situ conservation of forest biological diversity. Pollution is another threat to forest health and vitality.
3. Insects and diseases influence the health of natural and planted forests, trees also outside forests and other wooded lands. Movement of insects and diseases has been facilitated by increased long-range air travel and reduced travel time, increased international trade of agricultural and forest products, and the exchange of plant material. Forest pests can be extremely destructive, as seen in recent years in both developed and developing countries.
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                                            Forest health
1. The importance of pests and their negative impacts on forests are often underestimated. Pest outbreaks can contribute either directly or indirectly to economic and environmental losses. Insects and diseases can have adverse effects on tree growth and survival, yield and quality of wood and non-wood products, wildlife habitat, recreation and scenic and cultural value. Yet they are integral components of forests.
2. Invasive plant species can also cause damage through competition and prevention of regeneration of native tree species, posing new challenges especially to the in situ conservation of forest biological diversity. Pollution is another threat to forest health and vitality.
3. Insects and diseases influence the health of natural and planted forests, trees also outside forests and other wooded lands. Movement of insects and diseases has been facilitated by increased long-range air travel and reduced travel time, increased international trade of agricultural and forest products, and the exchange of plant material. Forest pests can be extremely destructive, as seen in recent years in both developed and developing countries.
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Planted forests
1. Planted forests worldwide are increasingly important sources for forest products produced within sustainable, energy-efficient and environmentally friendly contexts. They also play a major role in preserving the social and cultural values attached to forests, particularly as natural forests decrease in size through deforestation (mainly in developing countries in the tropics and subtropics) or are designated for conservation or other purposes (mainly in developed countries in temperate zones).
2. Recently there have been concerted efforts to harmonize forest-related terms and definitions. At this point in time, it can be agreed that "planted forests" are forests in which trees have been established through planting or seeding by human intervention. Planted forests are increasingly being recognized as including semi-natural forests with indigenous species and plantation forests with exotic species.
3. Planted forests are often intensively managed for production purposes, but they may also be established for purposes of protection or conservation, or for socio-economic reasons, in which case management may be less obvious or intensive. The distinction is important for global assessments that attempt to capture the extent of productive, protective, conservational or socio-economic functions of forests, which are key criteria for sustainable forest management.
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What forests can be referred to planted forests nowadays?

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Planted forests
1. Planted forests worldwide are increasingly important sources for forest products produced within sustainable, energy-efficient and environmentally friendly contexts. They also play a major role in preserving the social and cultural values attached to forests, particularly as natural forests decrease in size through deforestation (mainly in developing countries in the tropics and subtropics) or are designated for conservation or other purposes (mainly in developed countries in temperate zones).
2. Recently there have been concerted efforts to harmonize forest-related terms and definitions. At this point in time, it can be agreed that "planted forests" are forests in which trees have been established through planting or seeding by human intervention. Planted forests are increasingly being recognized as including semi-natural forests with indigenous species and plantation forests with exotic species.
3. Planted forests are often intensively managed for production purposes, but they may also be established for purposes of protection or conservation, or for socio-economic reasons, in which case management may be less obvious or intensive. The distinction is important for global assessments that attempt to capture the extent of productive, protective, conservational or socio-economic functions of forests, which are key criteria for sustainable forest management.
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The first teeth erupt between 6 to 9 months. There are lower central incisors. The gums look a bit swollen for a few days, and then tiny white spot appears, which is the tooth. Over the next 3-4 months the teeth erupt with great rapidly the central pair, the upper central pair and then two more on each side in the lower and upper jaws – making a total of 8 incisors.
The entire set of 20 teeth erupt by the age of 2,5 years. These are primary teeth.

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