Rainforest ecosystems are characterised by heavy convectional rainfall, this is the rainfall that occurs in warm or tropical climates when heated air rises and cools, high humidity, and this is the amount of water vapour in the atmosphere, the abundance of vegetation and nutrient-rich but shallow soil. These factors combined give rise to a unique water and nutrient cycle. Heavy rainfall, warm temperatures and constant sunlight provides the optimum conditions for plant growth; however the much of the sunlight is blocked by the canopy formed from trees. Many plants develop immediately in-between gaps in the canopy resulting in the tropical rainforest’s dense vegetation covering 1.4 billion acres. From ground level up these levels of vegetation are: The shrub layer.
These three things plus the sun's heat determine where rain falls on the planet. The sun shines almost vertically on the equator year round, but it shines on the poles at a steep angle. There are two consequences. A beam of sunlight ten square feet shines on about ten square feet of Earth's surface at the equator, but it covers more than twice that area near the poles. The sun's light and heat are less concentrated at higher latitudes.
2) because it states that sugar cane was grown with an abundance of rainfall, at least 80 to 90 inches per year. This makes sense because a large number of crops are grown well with a great quantity of water. Besides that, sugar cane needed to grow in a temperature range between 68-90 degrees with soil that was alluvial or volcanic with a mixture of sand silt and clay mix. Using common sense, you can conclude that sugar cane needs to grown in warm temperatures with an assortment of soil. As shown in (Doc.1) you could see why the British and the French competed for power over the Caribbean.
The Amazon is the largest rainforest and is located in the upper section of Brazil south of the Equator but also extending into neighbouring countries. The total area of the forest is approximately 4 million square km. It is hot and humid throughout the year, with an average annual temperature of 27°C. The annual temperature range is about 2°C and the difference between day and night temperatures is greater than the difference between any two seasons. It rains every day, at very regular intervals, starting and ending very suddenly.
The tropical climate is characterized by constant high temperatures. All twelve months have an average precipitation of at least 60 mm (2.4 in), whereas in the savanna climate, the annual precipitation is contrastingly 25 mm. In the dry climates (group B) contains: arid and semiarid climates. Desert regions on the West coast are much cooler, due to the nearby presence of cold ocean currents and frequent cloud cover. The mesothermal climate (group C) consists: mediterranean, humid-subtropic, and oceanic climates.
The change of temperature in Antarctica due to global warming has had many effects on wildlife and the environment already. Although these effects many not seem big right now, there are many that will progress and continue to change Antarctica’s environment, depending on how the temperature changes. Temperatures have been rising constantly in Antarctica. Last April was the second warmest April in history, only behind the year before that (Waldman). The whole world is experiencing global
The Green House Effects is one of the main causes of this warming. Some greenhouse gases are needed. “The greenhouse effect is unquestionably real and helps to regulate the temperature of our planet.” (EPA) Without the GreenHouse effect the Earth could not be warmed. Human activity is adding more of these gases. “The increase in the mean temperature of the earth due to excessive emissions of greenhouse gases such as carbon dioxide, methane, and nitrogen.” ( Green) These extra gases are making it hard for heat to escape the Earth’s atmosphere resulting in warmer temperatures.
It is interesting to note that the bacoside A and bacopaside I gradually increased by the Cd treatment up to 10 μM and then decreased at higher concentrations, that is, 50 and 100 μM, but the concentration of these components was more in all the treated plants as compared to control. On the contrary, protein, chlorophyll content, and biomass decreased with the increase in metal concentration and exposure duration due to metal toxicity. Go to: 1. Introduction Bacopa monnieri (L) Pennell (Fam. Scrophulariaceae) is growing in the marshy places, which may be natural, or manmade with high possibility of heavy metal contamination as manmade marshy places are generally created in industrial areas where industrial effluents were discharged with high metal content.
Nicaragua has always been highlighted by the quality of its agricultural sector, as weather conditions and abundant water resources make the country ideal for producing a wide variety of crops instead. Thus, the cocoa industry of Nicaragua has established itself as the most dynamic in Central America, and also enjoys a favorable environment for the modernization and increased production and processing. Also, cocoa available in the country is the Trinitarian type, if properly fermented, is the preferred raw material for thin and dark chocolates. Annually 4,000 metric tons of cocoa from approximately 8,000 hectares are produced and exported primarily to Central America and Europe. However, the country has more 350,000 cocoa hectares suitable for growing, mainly located in the North Atlantic Autonomous Region and the South Atlantic Autonomous Region, according to a study by the Ministry of Agriculture and Forestry (MAG ) done in 2010.
Since Callery pear grow so rapidly the other trees don’t have good chances to develop because the rapidly growing Callery pear is already there taking all the needed nutrients. The Callery pear is a beautiful tree which is why it is so popular however it can be a nuisance to other plants as well as to the landscape. Once established Callery pear forms dense thickets that push out other plants including native species that can’t tolerate the deep shade or compete with pear for water, soil and space. A single tree can spread rapidly by seed and vegetative means forming a sizeable patch within several years. Its success as an invader results from its capacity to produce copious amounts of seed that is dispersed by birds and possibly small mammals, seedlings that germinate and grow rapidly in disturbed areas and a general lack of natural controls like insects and diseases, with the exception of fire