Effects Of Extremes Temperature On Plant Growth And Development

“Dormancy is a period in an organism's life cycle when growth, development, and (in animals) physical activity are temporarily stopped” (“Dormancy”). Some native plants have learned to adapt to grow a mixture of both short and long roots, so they can absorb moisture from both depths. After the winter season, the deeper roots reach down to absorb the water that has soaked into the deeper ground. Once the water lower in the ground has been absorbed into the tree, the plant uses its shallow roots to begin absorbing the moisture at the surface (Schwinning, Susan. “Sensitivity”). Exotic plants in a new area can cause irregular forest fires, floods, and other unwanted natural disturbances. To prevent these disturbances from occurring, Exotic Plant Management teams are trying to remove unnecessary plants that are only hurting the soil. The Exotic Plants team gives the people taking care of the plants two recommendations. First, they recommended to not worry as much about the bigger exotic plants and try to eliminate the weeds and exotic grasses. Second, is to put as much effort into restoring the native plants that are struggling through the droughts (Daw). Cold season shrubs are one of the few native plants that were not affected by the change in the climate

Temperature influences the distribution of plants and this is another abiotic factor. In the Lions club tower I could feel the difference in temperature. Bottom at being cold and moist whereas the top is warm and dry. This is shown clearly on the average table. Temperatures such as snow or frost determines the distribution of plants as most plants cannot prevent freezing because of their tissues and this abiotic factor affects the plantae group. Other effects that could cause an establishment to particular plants due to temperature is the gemination of biennial plants, and this is during spring or summer known as vernalization. This is the cooling of seed in order to quickly adapt to the environment and the abiotic factors. As of the forest

2. What are the various methods used to protect sensitive crops from damaging low temperatures? Explain why each method works.

In the text it clearly states, “ Most organisms are adapted to live within a particular range of temperatures and will not survive at temperatures too far above or below their range.” So it really depends on the climate range in the area a certain plant is living in but most animals survive in most types of weather.

One of the biggest positive effects of global warming on Canada is providing more agriculture opportunities (“Impact of climate change on Canadian agriculture”, July 3rd 2015, www.agr.gc.ca/ , accessed November 7th 2016). The increased temperature will make certain regions warmer, increasing the survivability of plants,

Soil respiration is a process which results in the production of carbon dioxide and can be affected by several factors including plant litter and temperature (Biology 208 Lab Manual 2017). With increasing temperatures, the amount of carbon dioxide released during soil respiration will increase (Schlesinger and Andrews 1999). The presence of plant litter in the soil results in increased soil respiration, and results in increased rates of carbon dioxide production (Xiao et al. 2014). This experiment is looking at the effects of temperature and type of plant litter on the rate of soil respiration. For the abiotic factor, we hypothesize that increasing the temperature will positively affect soil respiration rate as it will increase the rate of metabolism of the microorganisms. Soil placed in 30°C chamber will produce more carbon dioxide than the soil placed in the 15°C chamber. For the biotic factor, decreasing the carbon:nitrogen ratio in plant litter will positively affect soil respiration rate by speeding up the rate of decomposition of the plant litter. Therefore, soil with grass will decompose faster and have higher carbon dioxide production than soil with pine needle litter. The interaction between temperature and type of plant litter indicates that soil with grass litter and in a 30°C chamber will have the highest carbon dioxide production.

The practice of Drought Tolerant Maize showed excellent consequences under reduced rainfall and warm climate. Moreover, climate information and early warning system were applied in sub-Saharan Africa. They aimed to provide evidences of risk of significant changes in climate ahead and to tack action that can decrease possible risks. In contrast, because of insufficient and incomplete understanding of the impact of climate change on the agriculture, Australia introduced climate change adaptations, which covers obtaining knowledge about how the communities confront the climate change in the

Alternate Hypothesis 1: If the plant is exposed to high temperatures, then the plant will degrade the effectiveness of chemicals to produce a reaction.

With the increase in temperature, global warming is becoming more of a threat to many plants and animals (McCarty, 2001). In the past 100 years, the temperature has increased by 0.6° C. In North America, the temperature is expected to have a gradual increase of 0.3° C to

Due to the immense anthropogenic release of green house carbon emissions into the atmosphere, there has been and will be major detrimental effects on human resources and the ecosystem. For example, by the middle of the 21stcentury, River runoff will increase by 40% in northern latitudes and also in a few tropical areas, while in dry regions it will decrease by 30%. Some of these tropical areas have already reported and are experiencing water droughts that will only get worse (Gillman 2008). In addition, if temperatures continue to increase to 1.8-5.4 degrees, food productivity and resources will be affected. When the temperatures reach the lower latitudes of what is predicted, there will be a slight increase in food productivity for a little while. However, when the temperatures reach the higher end of the latitudes, food productivity will

Cellular respiration is a procedure that most living life forms experience to make and get chemical energy in the form of adenosine triphosphate (ATP). The energy is synthesized in three separate phases of cellular respiration: glycolysis, citrus extract cycle, and the electron transport chain. Glycolysis and the citric acid cycle are both anaerobic pathways because they do not bother with oxygen to form energy. The electron transport chain however, is aerobic due to its use of oxidative phosphorylation. Oxidative phosphorylation is the procedure in which ATP particles are created with the help of oxygen atoms (Campbell, 2009, p. 93). During which, organic food molecules are oxidized to synthesize ATP used to drive the metabolic reactions necessary to maintain the organism’s physical integrity and to support all its activities (Campbell, 2009, pp. 102-103).

Climate change has the largest impact on the physical health of the human body. Currently, many studies are being conducted concerning the effects of climate change on aeroallergens, such as pollen, which greatly

A plant is any of the boundless number of living beings within the biological kingdom Plantae, these species are considered of low motility since this species generally generate their own food by sunlight. They incorporate a large group of commonplace life forms including trees, forbs, bushes, grasses, vines, plants, and greeneries. In this task we are experimenting the relationship between light and plant growth by growing plants in three different lights which are red light, blue light and white light. As I stated above that plants generate their own food by sunlight. Sunlight can be broken up by a prism into respective colors of red, blue, orange, yellow, green, indigo, violet and white. All this lights have specific

The effect of environmental factors such as temperature, osmotic pressure, oxygen concentration and pH on microbial growth and survival

Agriculture is one of the major sector becoming vulnerable to climate-change. Increased incidences of abiotic and biotic stresses are likely to cause serious negative impact on crop production. Abiotic stress is defined as the negative impact of non-living factors on the living organisms in a specific environment. The non-living variable must influence the environment beyond its normal range of variation to adversely affect the performance or individual organism in a significant way. This leads to decrease in the productivity by more than 50% in major crop plants which are growing word wide (Bray et al., 2000). Increased water stress, reduction in rainfall and increased air temperature are the major reasons for yield decline in wheat and paddy crops in many parts of South Asia. The average increase in temperature per decade is measured to be 0.28 ºC over land and 0.12 ºC over ocean and predicted that it is likely to rise further to a maximum of 2.5 ºC by 2050 and 5.8 ºC by 2100 (Jones et al., 1999; Grover et al., 2011). The principal abiotic stresses in India are drought or soil moisture stress, high temperatures, soil salinity/alkalinity, low pH and metal toxicity stresses that affect nearly two-thirds area forming parts of the arid and semi arid eco systems (Grover et al., 2011).