Optimum temperature for photosynthesis: from leaf- to ecosystem-scale. | Semantic Scholar (2024)

FAQs

What is the optimum temperature for photosynthesis from leaf to ecosystem scale? ›

The global terrestrial average value of ecosystem-scale optimum temperature for photosynthesis is estimated to be 23 ± 6 °C, with large spatial heterogeneity [57]. Additionally, the ecosystem-scale optimum temperature for photosynthesis varies across vegetation types [58] .

The optimum temperature of the photosynthetic enzymes ranges between 20 ° C - 25 ° C . At very lower and very high temperatures the process of photosynthesis stops.

The temperature range that is best for the process of photosynthesis is between 20-40 °C.

simulation. The optimal degrees is around 65 degrees.

Optimum temperature is the temperature at which the activity of any process is highly effective. Ans. Absolute zero is the zero Kelvin temperature measured on the Kelvin scale at which all the particles freeze and do not show any movement.

Usually the plants can perform photosynthesis in the range of 10 to 40 degree celsius. The optimum temperature range is 25 to 30 degree celsius.

At low temperatures, the rate of photosynthesis is limited by the number of collisions between enzymes and substrate. As temperature increases the number of collisions increases, therefore the rate of photosynthesis increases. However, at high temperatures, enzymes are denatured.

In ideal conditions for photosynthesis – bright light, high temperatures and plentiful water – photosynthesis tends to reduce carbon dioxide concentration and raise oxygen concentration, favouring photorespiration (high temperatures also help) and greatly reducing the rate of photosynthesis.

Leaves' ability to photosynthesize – the process by which they make energy from carbon dioxide, sunlight and water – begins to fail when their temperature reaches around 46.7 degrees Celsius (116 Fahrenheit).

Optimum temperature condition for photosynthesis in C3 and C4 plants are respectively. 250C−300C and 400C−500C. 10oC−25oC and 30oC−45oC.

What is the low and high temperature for photosynthesis? ›

A temperature range of 25° to 35° C is required for photosynthesis to be carried out efficiently. There are also several other factors that influence photosynthesis, such as – carbon dioxide pollution levels, water availability, and light intensity.

Optimal temperatures for GROSS photosynthesis in plants are 15-40°C, but above ~10°, dark respiration goes up and NET photosynthesis goes down (Fig.).

The temperature required for photosynthesis varies from 10°-40° C depending upon the habitat. The optimum temperature required for photosynthesis ranges 25°-35° C. Additional information:Photosynthesis process was discovered by Jan Baptist van Helmont into the 17th century.

Optimum temperature for photosynthesis was well above ambient water temperature at the time of measurement (21.0–28.8°C), and above long-term ambient daily water temperature across latitudes in all species (15.3–30.8°C).

Most plants completely stop photosynthesizing at temperatures below freezing. At freezing temperatures, the water inside the plant cells forms ice crystals, causing damage to the cell membrane and organelles.

Plants grow well in moderate temperatures between 21°-29° C. Both higher and lower temperatures slow the plants rate of metabolism and growth.

At 5°C to 15°C, the photosynthetic rate in the 15C leaves was higher than that in the 25C leaves, even though the photosynthetic rate at an optimum temperature was lower in the 15C leaves than in the 25C leaves. The photosynthetic activity in the 15C leaves decreased as the temperature increased beyond 20°C.

The C3 plants survive at a lower temperature conditions, while C4 plants survive at a higher range of temperatures​. C3 plant requires an optimum temperature of 18oC−24oC . C4 plant requires an optimum temperature of 32oC−55oC .

In the brown algae the optimum temperature for the apparent photosynthesis lies between 20 "C and 23 "C, in the green algae and in most of the red algae between 25 O and 30 OC.