INTRODUCTION Grazing: It is a practice common in animal husbandry. The animals are taken to open rangelands, pastures, and grassland where they consume wild plants. The growing herbage is used for feeding livestock. Overgrazing: It is defined as the practice of grazing for an extremely long period of time. The extensive grazing doesn’t let plant […]
Oil Spills – Causes, Effects, and Solution
INTRODUCTION Oil Spills: The accidental leakage/release of oil into the surrounding environment is known as oil spills. It is a form of environmental pollution. The release of petroleum hydrocarbons into the environment has environmental consequences. Oil spills occur in marine ecosystems such as oceans, coastlines, estuaries, etc. However, the incidents of oil spills happen on […]
Mining Pollution – Causes, Effects, and Solutions
INTRODUCTION Mining: It is defined as a process that includes the extraction of useful natural resources from the earth. The natural resources are minerals, rocks, precious stones, fossil fuels, etc. Mining Activities: Mining is not a new process but it has been carried out since prehistoric times. The mining process is used for extracting gold, […]
Ecosystem Zones and Climatic Biomes of Pakistan
INTRODUCTION Climatic Zone: It is defined as an area with well defined climatic conditions. The different areas in the world are categorized according to various climatic parameters such as temperature, rainfall, snow, summer and winter seasons, etc. Biome: It is defined as an environment that hosts a diverse variety of plants and animals well adapted […]
Desert Ecosystem of Pakistan – Climatic Biome
INTRODUCTION Desert: It is defined as a barren area that has little to no vegetation and less rainfall. The land surface is continuously exposed to hot dry environmental conditions. Desert Ecosystem: It is an ecosystem with dry environments. The species of plants and animals are well adapted to the ecosystem. The desert ecosystem includes hot […]
Tundra and Alpine Ecosystem of Pakistan – Climatic Biome
INTRODUCTION Tundra and Alpine: This biome includes extremely cold regions (usually covered in snow) that are present around the world without long woody trees due to high elevation. Tundra and Alpine Ecosystem: This ecosystem is usually found in the northern hemisphere. The biome receives scant rainfall. As the altitude increases the forest cover decreases. Characteristics […]
Tropical Thorn Forest Ecosystem of Pakistan – Climatic Biome
INTRODUCTION Tropical Thorn Forest: This forest primarily consists of plant species that are open, low and xerophytic. The vegetation of tropical thorn forests doesn’t include grasses. Tropical Thorn Forest Ecosystem: This forest ecosystem is predominated by thorny leguminous plant species. The arid regions receive less rainfall and this ecosystem can survive in water-scarce regions. Characteristics […]
Littoral and Swamp Forest Ecosystem of Pakistan – Climatic Biome
INTRODUCTION Littoral Forest: It is known as mangrove forest or tidal forest. This forest grows along marshy coasts and delta regions. Swamp Forest: This forest grows along the intertidal coastline and submerged with seawater. This forest is common near tropical zone. Another name is flooded forest. Littoral and Swamp Forest Ecosystem: This forest ecosystem is […]
Coniferous (Taiga or Boreal) Forest of Pakistan – Climatic Biome
INTRODUCTION Coniferous (Taiga or Boreal) Forest: It is defined as evergreen scale-leaved, cone-bearing, needle-leaved trees. It is present in locations where winters are longer. It receives precipitation in the form of snow. Coniferous (Taiga or Boreal) Forest Biome: Boreal biome usually consists of coniferous forests that include spruce, pine, and larches. Characteristics of Coniferous (Taiga […]
Grassland and Shrubland Ecosystem of Pakistan – Climatic Biome
INTRODUCTION Grasslands: It is defined as open lands that are continuously covered with broadleaf herbs, little woody vegetation, sedges, and grasses. Taller and woody vegetation is absent. Shrublands: It is defined as areas that are covered with dense but low height shrub vegetation like sedges, willow, dogwood, or tall grasses. Grassland and Shrubland Biome: This […]