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Afforestation is the establishment of a forest or stand of trees in an area where there was no recent tree cover. [1] There are three types of afforestation: natural regeneration, agroforestry and tree plantations. [2] Afforestation has many benefits.
A satellite image of the Sahara, the world's largest hot desert and third largest desert after Antarctica and the Arctic. Desert greening is the process of afforestation or revegetation of deserts for ecological restoration (biodiversity), sustainable farming and forestry, but also for reclamation of natural water systems and other ecological systems that support life.
Plants that can survive in arid deserts are called xerophytes, meaning they are able to survive long dry periods. Such plants may close their stomata during the daytime and open them again at night. During the night, temperatures are much cooler, and plants will experience less water loss, and intake larger amounts of carbon dioxide for ...
A eucalyptus plantation in final stages at Arimalam.. The type of tree planted may have great influence on the environmental outcomes. It is often much more profitable to outside interests to plant fast-growing species, such as eucalyptus, casuarina or pine (e.g., Pinus radiata or Pinus caribaea), even though the environmental and biodiversity benefits of such monoculture plantations are not ...
Saxaul is planted on a large scale in the afforestation of arid areas in China. Being highly drought-resistant, it has played an important role in the establishment of shelter belts and the fixation of sand dunes as a counter to desertification. [7] [8] The thick bark of the saxaul tree stores water.
Forestry is the science and craft of creating, managing, planting, using, conserving and repairing forests and woodlands for associated resources for human and environmental benefits. [1] Forestry is practiced in plantations and natural stands . [ 2 ]
Salinization occurs naturally in arid areas where not enough rain falls to wash soluble salts down and out of the root zone. Salinization is a common side effect of irrigation. [5] As water is used by plants and evaporates from the soil surface, the salt in the water concentrates in the soil. The high temperatures and low humidity in arid ...
Forest pathology – study of diseases of woody plants, and of the interactions between trees and pathogens, pests, and other stressors that affect their health and function. Silviculture – is the art and science of controlling the establishment, growth, composition, health, and quality of forests to meet specific objectives