climate. The Amazon basin in South America‚ vegetated by tropical rainforest‚ lies within the equatorial climate zone and covers an area of some 8‚235‚430 km 2 mainly in Brazil. The Amazon River flows through the basin from its source high in the Andes towards its mouth in the Atlantic Ocean‚ and is the largest single source of freshwater runoff on Earth‚ representing 15-20% of global river discharge. At present the amazon rainforest acts as a carbon sink. It absorbs around 35% of the world’s annual
Premium Brazil South America Amazon River
How Trees Improve the Environment Trees are ancient living organisms that existed since the creation of the Earth and have been crucial to the Earth’s ecosystem. The age of a tree is determined by cambium‚ a layer of growing bark‚ which forms a ring in the wood of the tree. Each ring of cambium‚ tells the age of the tree. The climate can also determine how fast a tree grows. For instance‚ in cool climates‚ cambium only grows in the spring and summer. But there are some cases where you cannot
Premium Oxygen Rainforest Tree
NAME :ADERIBIGBE ADEDOTUN Figure 14-2. West Africa: natural forest and plantation areas 2000 and net area change 1990-2000 The total volume of West African forests is estimated at approximately 5 billion cubic metres over bark‚ which is 11 percent of the volume of all African forests. The volume and biomass estimates for most countries are based on existing forest inventories. In humid zones‚ volume assessment is focused on timber volume. In dry zones‚ volume assessment usually includes the whole
Premium Forest West Africa Tropical rainforest
Problems with Wildlife It is blatantly obvious that the level of wildlife has been decreasing amazingly over the years. Species of animals and plants are rapidly becoming endangered or even extinct. There are many factors that are making this problem a reality. Habitat destruction‚ hunting‚ and pollution are the three major factors that are destroying our wildlife. The destruction of habitat is the greatest of all threats to wildlife‚ whether they’re rich tropical forests‚ mangroves‚
Premium Endangered species Tropical rainforest Hunting
In the movie Avatar‚ James Cameron discussed many topics we have gone over throughout the past year. we have talked about biodiversity. We have talked about how the flow of energy occurs. And also about food webs and food chains. Avatar has many other themes but I find these the three most important ones. In Avatar biodiversity is being shown in Pandora. There are many different species that have adapted to many specific conditions. They show how important the forest is to them. The way the destroyed
Premium Deforestation Carbon dioxide Rainforest
Did you know that the name Brazil comes from a tree named Brazilwood? The economy grew up with the Brazilwood trees and they started to call Brazil‚ Brazil. There are many interesting features in Brazil‚ like the Amazon river is the world’s largest river in volume. Also in brazil there are many climates‚ they have a tropical‚ warm‚ rainy‚ and humid climates. Brazil’s land is very pretty. Brazil has many different landforms that are really pretty. If you were in Brazil you would see the Amazon
Premium Brazil Nile Egypt
Medicine Men Dr. Chris and Dr. Xan experience a lot of doubt‚ frustration‚ fun‚ hard work‚ exhaustion‚ and numerous other things in their participant observation in the jungle of the Congo. They first arrive in one of the main cities of Africa. Chris and Xan visit a medicine store packed with dried reptiles and other animals. The shop owner shows them a chimpanzee head‚ and tells them that it is a gorilla head. The Dr.’s reaction is that the store owner is ignorant‚ not only because
Premium Tribe Crocodile Rainforest
In Detroit‚ Michigan of 2002 many ash trees in the hardwood forests of Michigan and in urban areas were unexpectedly dying prematurely and researchers began investigating the problem. As they investigated trees‚ they found tunnels throughout the inside of the tree. The problem turned out to be an insect no longer than 12 millimeters known as the emerald ash borer. Many 10s of millions of dollars have been spent and more than 200 million trees have died or have been sacrificed in efforts to eradicate
Premium Deforestation Global warming Rainforest
If you fear one of the trees in your yard has one of the many North American tree diseases that are plaguing a variety of tree species‚ you want to call the experts to have the tree treated or removed. If the tree is already dying‚ you’ll want to have it removed from your property. A dying tree can cause a lot of problems for you and around the property. Here are a few reasons why you should consider immediate removal. Prevent Liability Issues There are a variety of things that can go wrong when
Premium Deforestation Global warming Carbon dioxide
The main type vegetation in this ecozone is the Taiga forest consisting of stunted coniferous trees‚ such as black spruce‚ jack pine‚ paper birch‚ trembling aspen‚ etc. The northern edge of the ecozone is bordered by the treeline. Wildlife: This region is famous for one of the most impressive displays of wildlife: 50 species of mammals including the barren-ground caribou‚ wolf‚ lynx‚ arctic fox‚ the grizzly bear‚ etc. Also‚ there is a massive bird migration of swans‚ geese‚ loons‚ ducks‚ tree
Premium Rainforest Biodiversity Climate