Climate Change

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by victor_cocovici5682bf01878b7
Last updated 6 years ago

Discipline:
Science
Subject:
Weather and Climate
Grade:
10

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Climate Change

Climate change impacts on species, ecosystems, and biomes

Climate change is a change in global or regional climate patterns, in particular a change apparent from the mid to late 20th century onwards and attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.Climate change affects all the regions around our world. Polar ice shields are melting and the sea is rising because of this. In some regions extreme weather events and rainfall are becoming more common while others are experiencing more extreme heat waves and droughts.

What is climate change & who does it affect?

Animals and plants that are suited to cooler climates will need to move polewards or uphill when the climate becomes even just that little bit warmer. This process has been observed in many places – in the Alps, in mountainous Queensland in Australia, and in the misty forests of Costa Rica.Fish in the North Sea have been observed moving northwards too – fish stocks that used to be common around Cornwall,Ontario,Canada have moved as far north as the Shetland and Orkney Islands.The impacts on species are becoming so significant that their movements can be used as on indicator of a warming world. They are the silent witnesses of the rapid changes being inflicted on the Earth.

Climate change impacts on Ecosystems

Climate change affects on species

To make matters even worse, human settlements and infrastructure have already subdivided ecosystem habitat into isolated patches. Climate change do make many of these patches uninhabitable for the species that live there. Northern countries like Canada are experiencing some of the most serious impacts on biodiversity:1.Canada's increasingly dry Northern boreal forests, stretching across the Canadian Shield, have seen burns escalate from one-million hectares to three-million in the last decade. This has caused there to be less open land for the many different species to live on making it difficult and harder to find food.2.Female caribou migrate in spring to small pockets of vegetation where they feed and raise their little ones named better as calves. But for the past decade, spring has come so early that by the time the caribou reach the coastal plain, their principal food plant has already gone to seed.3.A receding Arctic icecap and earlier-than-normal breakup of sea ice has affected polar bears, which depend on sea ice to hunt seals. Recent studies shows polar bears in some regions are down a third in body weight. Not only is it getting harder for animals to live in this conditions but also the sun plays a big part in all of this. The increasing pollution is not only causing more CO2 in the air, but also causing the protecting layer called the Ozone layer to shrink making the sun to give us more radiation and increase in temperature while changing the weather in places. Those which are cold usually becoming more hot and those which are hot becoming even hotter. This is happening because the both ice polar caps south and north are melting because of the increasing warm temperatures. Even 2 Celsius degrees more makes a huge impact over a decade.

The climate plays an important role in the way the land areas of the Earth develop. The land (terrestrial) portion of the Earth is divided into 4 main climatic regions. They are called the polar, subpolar, temperate, and tropical regions. A biome is a very large area that's within a region in which the soil types, plants (vegetation), and animals are all very similar. Climate and vegetation vary with distance from the equator (latitude) and by altitude (elevation). A biome is identified mainly by the type of vegetation that grows there; its climate, especially temperature and precipitation, determines the type of vegetation that may grow in a particular areaWhere climatic conditions are similar over time, specific plants evolve because they can survive in that climate. The type of vegetation, in turn, determines the type of animals that can be found there. When climatic conditions change, the types of vegetation, and the types of animals that are dependent on this vegetation, change or go extinct

Climate change affects on Biome


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