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Deforestation of the Highland Plateau has led to extensive siltation and unstable flows of western rivers. Like many habitats that undergo deforestation, Madagascar experiences soil erosion, of which can adversely affect river systems and lakes. In the case of Lake Alaotra in Ambatondrazaka area, in the country's east, deforestation in the ...
This is the area with the highest level of plant endemism in Madagascar, with 48% of the genera and 95% of the species endemic. [2] Many constituent plants show extreme adaptations to drought. Spiny plants of the endemic subfamily Didiereoideae form a conspicuous component, especially towards the east.
Water supply in Madagascar is poor, with a 2018 estimate suggesting that 66% of the population in rural areas and 49% in urban areas lack access to drinking water. [3] [20] Madagascar was facing one of the world's most severe water crises as of 2021 due to poor water management infrastructure, deforestation, erosion and saltwater intrusion.
Deforestation, [30] with resulting desertification, water resource degradation, and soil loss has affected approximately 94% of Madagascar's previously biologically productive lands. Since the arrival of humans 2000 years ago, Madagascar has lost more than 90% of its original forest. [ 31 ]
Deforestation is defined as the conversion of forest to other land uses (regardless of whether it is human-induced). [14] Deforestation and forest area net change are not the same: the latter is the sum of all forest losses (deforestation) and all forest gains (forest expansion) in a given period. Net change, therefore, can be positive or ...
How mica mined by kids in Madagascar ends up in products used by millions of Americans. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ...
There are also feedbacks and interactions among the proximate and underlying causes of deforestation that can amplify the process. Road construction has the largest feedback effect, because it interacts with—and leads to—the establishment of new settlements and more people, which causes a growth in wood (logging) and food markets. [19]
Deforestation is a primary contributor to climate change, [1] [2] and climate change affects the health of forests. [3] Land use change, especially in the form of deforestation, is the second largest source of carbon dioxide emissions from human activities, after the burning of fossil fuels.