High temperatures, heavy rainfall, inadequate soil nutrient content, and sunshine that is largely available at the tree canopy level while being limited at ground level are some of the abiotic variables present in a tropical rainforest. The forest floor may receive as little as 2% of the sunlight due to the dense above canopy. In a tropical rainforest, yearly precipitation can range from 98 to 177 inches, which is a substantial abiotic influence in a non-aquatic ecosystem.
In order to be classified as a tropical rainforest, an ecosystem must have an average temperature of more than 75 degrees Fahrenheit, annual rainfall of more than 98 inches, and no frost. Because the constant rainfall washes away nutrients, the soil of a tropical rainforest is typically poor and acidic. Many trees rely on lateral root systems rather than deep tap roots due to soil conditions.
Tropical rainforests are critical to the survival of oxygen-dependent species on Earth. Tropical rainforests are thought to be responsible for as much as 28 percent of the world’s oxygen turnover, but covering only around 6% of the Earth’s area. Tropical rainforests absorb a large amount of carbon dioxide and convert it to oxygen through photosynthesis. If deforestation continues at its current rate, it will have a considerable detrimental impact on global CO2 and oxygen exchange rates.
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