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Human society and forests can affect one another positively or negatively. [18] Forests provide ecosystem services to humans and serve as tourist attractions. Forests can also affect people's health. Human activities, including unsustainable use of forest resources, can negatively affect forest ecosystems. [19]
Even if humans artificially add nutrients to the soil, the nutrients mostly wash away and are not absorbed by the plants. Finally, these soils are poor due to the high volume of rain in tropical rainforests washes nutrients out of the soil more quickly than in other climates.
The forest is a natural system that can supply different products and services. Forests supply water, mitigate climate change, provide habitats for wildlife including many pollinators which are essential for sustainable food production, provide timber and fuelwood, serve as a source of non-wood forest products including food and medicine, and contribute to rural livelihoods.
It is important to conserve the rainforest because many resources for things we use everyday come from the rainforest, including rubber for tires and spices such as cinnamon and many other common items. [9] It is imperative to life on earth that the rainforest be conserved, as the trees take in carbon dioxide to provide oxygen.
Plantation forests made up 280 million ha in 2015, an increase of about 40 million ha in the previous ten years. [3] Of the planted forests worldwide, 18% of that planted area consists of exotic or introduced species while the rest consist of species native to the country where they are planted. [4
Rainforests are home to half of all the living animal and plant species on the planet. [7] Two-thirds of all flowering plants can be found in rainforests. [5] A single hectare of rainforest may contain 42,000 different species of insect, up to 807 trees of 313 species and 1,500 species of higher plants. [5]
The benefits of mycorrhizal fungi interacting with plant roots to improve nutrient absorption among other benefits compared to a plant without this symbiotic relationship. An important interaction in forest ecosystems is the mycorrhizal network, which consists of fungi and plants that share symbiotic relationships. [18]
Plants faced conflicting evolutionary pressures: the need to attract pollinators and seed dispensers, and to minimize the damage caused by herbivores. Many (tropical) plants use toxins to protect themselves. Cassava, one of the most important tropical food crops, produces cyanide upon ingestion unless processed to remove/reduce the cyanide ...