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What is the effect of UV radiation on living tissues and biological productivity?

Ultraviolet (UV) radiation can lead to increased mutation rates, skin cancer, sunburns and eye cataracts. Crop production will also decrease as UV light affects molecules related to photosynthesis. In addition, UV radiation can damage DNA. However, organisms have repair mechanisms so the damages may not be as worse as expected.


How can primary productivity be increased?

Primary productivity can be increased by providing more sunlight, nutrients, and carbon dioxide to photosynthetic organisms like plants. Removing limiting factors such as competition, herbivory, or pollutants can also increase primary productivity. Additionally, optimizing environmental conditions like temperature and water availability can help stimulate the growth of primary producers.


For maximum photosynthesis increased light intensity has greater effect than increased leaf surface area?

Increased light intensity has a greater effect on photosynthesis than an increase in leaf surface area because light is a limiting factor for photosynthesis. More light means more energy available for the process. However, an optimal balance of both factors is needed for maximum photosynthetic efficiency.


Does daylight saving produce productivity?

Studies have shown mixed results regarding the productivity impact of daylight saving time. Some research suggests that the extra daylight can lead to increased productivity due to improved mood and energy levels. However, other studies indicate that disruptions to sleep patterns from the time change can negatively affect productivity in the days following the switch.


What happens when a plant receives more light energy than it's composition point?

When a plant receives more light energy than its compensation point, it will undergo photosynthesis at a higher rate, leading to increased growth and productivity. However, if the intensity of light exceeds the plant's capacity to use it for photosynthesis, excess energy can cause damage to the plant's cells through processes like photoinhibition or oxidative stress.