describe the special feature of deciduous trees and the areas where they are found in brief
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Deciduous trees are trees that drop their leaves for part of the year. They are found in temperate and tropical climates all over the world. Deciduous trees have broad flat leaves that catch a lot of light and require a great amount of water. In some cases, leaf loss coincides with winter - namely in temperate or polar climates when there is less sunlight for the process of photosynthesis.
In other parts of the world, including tropical, subtropical, and arid regions, deciduous trees lose their leaves during the dry season or other seasons, depending on variations in rainfall. This allows the trees to enter a dormant period during the difficult times as a means of survival. The process of shedding unneeded parts, such as leaves, is known as abscission. Unlike deciduous trees, evergreen trees, such as pine and cedar trees, keep their needles year round.
Types and Examples of Deciduous Trees
Deciduous trees can be found in most regions of the planet. Common examples of deciduous trees include oak, maple, and hickory trees. Oak trees are characteristic deciduous trees that lose their leaves in the fall and re-grow them in the spring. There are approximately 600 living species of oak trees. These hardwood trees have large, lobe-shaped leaves and produce a fruit in the form of a nut called an acorn. They grow in a variety of regions, ranging from temperate forests and rain forests to arid Mediterranean landscapes. As a strong hardwood tree, oaks have been crucial to the building industry for hundreds of years and have been propagated by tree farmers for this purpose.
Classic oak trees like this are found all over the United States.
Forests where a majority of the trees lose their foliage at the end of the typical growing season are called deciduous forests. These forests are found in many areas worldwide and have distinctive ecosystems, understory growth, and soil dynamics.[18]
Two distinctive types of deciduous forest are found growing around the world.
Temperate deciduous forest biomes are plant communities distributed in North and South America, Asia, Southern slopes of the Himalayas, Europe and for cultivation purposes in Oceania. They have formed under climatic conditions which have great seasonable temperature variability with growth occurring during warm summers and leaf drop in autumn and dormancy during cold winters. These seasonally distinctive communities have diverse life forms that are impacted greatly by the seasonality of their climate, mainly temperature and precipitation rates. These varying and regionally different ecological conditions produce distinctive forest plant communities in different regions.
Tropical and subtropical deciduous forest biomes have developed in response not to seasonal temperature variations but to seasonal rainfall patterns. During prolonged dry periods the foliage is dropped to conserve water and prevent death from drought. Leaf drop is not seasonally dependent as it is in temperate climates, and can occur any time of year and varies by region of the world. Even within a small local area there can be variations in the timing and duration of leaf drop; different sides of the same mountain and areas that have high water tables or areas along streams and rivers can produce a patchwork of leafy and leafless trees.[19
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