Ecosystem

Water, food, oxygen, energy and so much more ... Humans use the environment in many ways, essential to life. It must preserve the environment and to exploit wisely: the health of even the very survival. Since the early 1970's, Europe has strong commitment to the environment: protection of ambient air and water, conservation of natural resources and biodiversity, waste management and activities having adverse effects include between the fields of European action at Member States and internationally. The objective of EU environmental policy, based on Article 174 of the Treaty establishing the European Community, is to ensure the sustainable development of the European social model, regardless of whether the corrective measures to address specific environmental problems or measures covering most areas or integrated into other policy areas.
Each ecosystem consists of two main parts namely the living and non biocoenose alive abiotic (habitat). The abiotic environment are factors such as soil, water or air.
The biocoenose are all living organisms receive the effects of the abiotic environment. There are many types of ecosystems, we have sea ecosystems on the coast paraktia.Otan an area of ​​agricultural crops have only then talk about an agricultural ecosystem. There are also the ecosystems of freshwater wetlands. The role of the latter is very important as they provide food and protection in a large number of birds, mammals and psarion.Dasos the ecosystem of plants and animals that dominate the arboreal forest species. The main forest species of the Greek forests is the oak by 35%, pine 25%, 19% of the trees, the beech trees by 10% and 2% chestnut.