Xerophytic plants are used widely to prevent desertification and for fixation of sand dunes. All these reduce transpiration and conserve water. It is important to note, that whilst it is vital to keep stomata closed, they have to be opened for gaseous exchange in respiration and photosynthesis. Since roots are the parts responsible for water searching and uptake, they can detect the condition of dry soil. Transpiration is the evaporation of water from plants. In regions continuously exposed to sunlight, UV rays can cause biochemical damage to plants, and eventually lead to DNA mutations and damages in the long run. Other xerophytes may have their leaves compacted at the base, as in a basal rosette, which may be smaller than the plant's flower. Transpiration is an important factor in the water cycle as it is one of the major sources of water into the atmosphere.Providing 10% of the total water in the atmosphere, this process is nearly identical to perspiration or sweating in animals. The major impacts include the loss of soil productivity and stability, as well as the loss of biodiversity due to reduced vegetation consumed by animals. [1] Xerophytes such as cacti are capable of withstanding extended periods of dry conditions as they have deep-spreading roots and capacity to store water. Transpiration pull, utilizing capillary action and the inherent surface tension of water, is the primary mechanism of water movement in plants. [citation needed], A study has shown that xerophytic plants which employ the CAM mechanism can solve micro-climate problems in buildings of humid countries. Many succulent xerophytes employ the Crassulacean acid metabolism or better known as CAM photosynthesis. There are many changes that happen on the molecular level when a plant experiences stress. As nouns the difference between transpiration and translocation is that transpiration is (botany) the loss of water by evaporation in terrestrial plants, especially through the stomata; accompanied by a corresponding uptake from the roots while translocation is removal of things from one place to another; displacement; substitution of one thing for another. In periods of severe water stress and stomata closure, the cuticle's low water permeability is considered as one of the most vital factor in ensuring the survival of the plant. Shrubs which grow in arid and semi-arid regions are also xeromorphic. It plays important role in the cell. Diffused O2 is passed into atmosphere. Transpiration happens when the guard cells open the stomata. These lipids become more fluid when temperature increases. Transpiration losses are usually high and are directly linked to plant growth and productivity. A look into the photosynthesis process would help to understand this fact more clearly. 2. Stomata closure not only restricts the movement of water out of the plant, another consequence of the phenomenon is that carbon dioxide influx or intake into the plant is also reduced. The process of releasing water into the air through both transpiration and evaporation is called evapotranspiration. It’s pulling action helps in the absorption and transportationof water in the plant. Besides that, such environments may cause an excess of ions to accumulate in the cells, which is very damaging. Transpiration is the evaporation of water from plants, especially leaves. (c) Transpiration helps in cooling the plant and raising water and minerals to the leaves for photosynthesis In botany, a stoma (plural "stomata"), also called a stomate (plural "stomates") is a pore, found in the epidermis of leaves, stems, and other organs, that controls the rate of gas exchange.The pore is bordered by a pair of specialized parenchyma cells known as guard cells that are responsible for regulating the size of the stomatal opening.. In a windier situation, this localisation is blown away and so the external water vapour gradient remains low, which makes the loss of water vapour from plant stomata easier. During the day and especially during mid-day when the sun is at its peak, most stomata of xerophytes are close. Stomata are located in these hairs or in pits to reduce their exposure to wind. This enables them to maintain a humid environment around them. To cool down a plant. 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