STUDIED BIOME: 'BIOMES ARE AFFECTED BY HUMAN ACTIVITY' (ASPECT 2:…
: 'BIOMES ARE AFFECTED BY HUMAN ACTIVITY'
OPENING PARA AND
The biome that I have studied is the Amazon Rainforest. A biome is a large geographical area of distinctive plant and animal groups eco-systems that adapt to the climate and the environment
There is interaction between vegetations, animal population and soil.
The Amazon Rain forest is located 5 degrees North and South of the equator and lies in countries such as Peru, Columbia and Ecuador. It is the largest and oldest eco-system in the world and produces 20% of the worlds oxygen. Very important to our planet.
The biome is being altered everyday by human activity such as logging, cattle ranches and gold mining. These activities alter the soil, water, flora and fauna of the Rain forest
The first aspect that I will discuss is how the soil is being altered by human activity
The soils in the r.forest are known as latosols or tropical red soils. They are usually infertile as heavy rain over a long period of time as caused saturation and leaching to occur
The canopy layer of of the forest can protect the soil from severe heat and rain. Logging affects the soil. It is the single largest cause of destruction. Logging is the removal of trees and vegetation for commercial uses, like teak, rosewood and mahogany for furniture uses
Selective logging is the removal of one tree which leads to the falling down of other trees, ruining vegetation and nearby habitats .The soil is left bare and exposed to the sun (heat) and torrential rainfall when the trees are removed which leads to leaching and infertile soil
Removing trees removes plant litter which prevents humifacation leading to the risk of little nutrients and infertile soil. The soil relies on trees for fertility (interdependence) but logging leaves the soil exposed.This is a negative impact of human activity altering a biome
The second aspect that I will discuss is the water and rivers being altered by human activity (short hand)
The Amazon Rainforest is the primary source for fresh water drinking for the people of the R. Forest. It is also a source of food , home to thousands of freshwater fish species. Also a mode of transport
The river is home to many rich resources and metals such as gold, copper and diamond and a source of oil. Gold mining and oil mining is what affects it. Large scale mining operations have caused huge damage to the eco-systems, the R forest and the waters
Mining pits are used to mine for gold which ends up clearing the land for space. Power hoses and other techniques are used to blast away the river banks and floodplains to expose the deposit sites. The releases harmful toxins such as sulfuric acids and metal oxides which run into local waterways and reach the river, poisoning the river, the aquatic plant and animal life and the floodplain soils
Poisoning the rivers has severe negative impacts; the fish and plants will in in the water which limits the food source for the people and polluting the main source of drinking water which can lead to diseases and the tourism industry is affected
The workers and operators who visit the area has resulted in an increase in household waste entering the river, which again causes pollution. Both the aquatic life of the A River and the people of the of the forest both being dramatically affected by the pollution of the river due to mining it is clear that human activities have altered the biome in a negative way
The final aspect that I will discuss is how the flora and fauna of the R forest are being altered by human activities
In the A Rain forest it has a wider variety of any group of species in the world and is home to one hundred different species per hectare
Butterflies, jaguars, snakes insects they all rely on forest for survival.
The flora need the forest to survive for food and fertility. In the Amazon there are 100 diff types of trees all whom depend on the animals for survival. Remove one the other dies. Deforestation is causing huge destruction to the rain forest mainly for the expansion of intensive commercial agriculture which itself is contributing to the loss of 40 hectares of r forest daily
Deforestation removes the trees and vegetation which the animals rely on for shelter food and protection. Without them they are exposed to predators. The removal of habitats means that other trees and plants have no means of seed dispersion or ways of fertility. Many animals can only survive in areas of a very specific habitat, and when these are removed theses unique plants are lost.
Today 580000 square kilometers of the A Rain forest has been removed. That is a loss of thousands or millions of species of plants and animals since 1980. 70% of the worlds plants and animals live in the forest; so if deforestation continues they shall not survive.
The human activity of deforestation for agricultural and cattle ranches has negatively altered the floor and fauna of the Rain Forest. Human activity has altered the biome of the Amazon Rain forest negatively