GGR107H1 Lecture Notes - Environmental Determinism, Crop Rotation, Ph

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Agriculture: the active production of useful plants or animals in ecosystems that have been created by people. Agriculture may include cultivating the soil, growing and harvesting crops, and raising livestock (brittanica concise. Encyclopedia: agri-ecosystem: an ecological and socio-economic system, comprising domesticated plants and/or animals and the people who husband them, intended for the purpose of producing food, fibre, or other agricultural products (ch. Agri-ecosystem speaks spatially, it s somewhat bounded in the ways we think about it. They re simpler than natural ecosystems because humans can contain the ecosystem: domestication of plants and animals was the most important change in human history (15,000 5000 bce) In agriculture, farmers prepare, tend and harvest animals and plants, using what knowledge they have under particular ecological, economic and cultural constraints. Hunting and gathering was replaced with the complex systems of farming. While it reduced diversity of species, it still involved cyclical basis (food system).

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