geography revision

animal adaptions

one animal that has adapted well the tree frogs as they have sticky feet so that they can climb up the smooth trees to escape from preditors

click to edit

click to edit

click to edit

causes of deforestation

click to edit

click to edit

commercial farming

cattle ranching - forests are cleared
to make room for the cattle

another animal that has adapted well is the sloth which has strong arms so it can cling to trees to hide from predators

subsistence farming - cleared for small scaled farmers who need land to grow food for themselves

one way all animals have adapted to there environment is developing camouflage

commercial logging - full of valuable material and need to cut trees down to get them

click to edit

mineral extraction such as gold silver and iron

small scale ecosyetems

a small scale is an ecosystem contained in a relevantly small area but it still has all the key components of an ecosystem

impacts of deforestation

click to edit

click to edit

economic

farming in particular has brought wealth to many amazonian countries(brazil exported almost £600 million of beef)

small scale ecosystems

A freshwater pond ecosystem is made up of a number of smaller habitats - for example at the centre of the pond there are fish where the water is deep

the mining industry creates jobs for lots of people (Buenaventura mining company in peru employed over 8000 people)

they are often small-scale ecosystems such as ponds, hedgerows or woodlands

local brazilian rubber tappers who extract natural rubber trees have lost their livelihoods as trees have been cut down

a componat of an ecosystem is

soil Erosion

brazil is losing up to 100 tons of topsoil per hectare each year because of soil erosion (may lead to landslides and flooding in the future)

sustainable management of deforestation

Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts. Biotic factors include plants, animals, and other organisms. Abiotic factors include rocks, temperature, and humidity.

with less canopy to intercept rainfall and fewer tree roots to absorb it, more water reaches soil

climate change

trees remove CO₂ from the atmosphere--the amazon stores around 140 billion tonnes of carbon

we can sustainably manage deforestation by putting national agreements in place and also ban it all together

up to 75% of brazil CO₂ emissions come from deforestation