agricultural ecosystem

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• Agricultural economics — originally applied the principles of economics to the production of crops and livestock a discipline known as agronomics. Agronomics was a branch of economics that specifically dealt with land usage. It focused on maximizing the yield of crops… …   Wikipedia

• Agricultural biodiversity — is a sub set of general biodiversity including all cultivated varieties. Cultivated varieties can be broadly classified into “modern varieties” and “farmer’s or traditional varieties”. Modern varieties are the outcome of scientific breeding and… …   Wikipedia

• Ecosystem services — Pollination by a bumblebee, a type of ecosystem service Humankind benefits from a multitude of resources and processes that are supplied by natural ecosystems. Collectively, these benefits are known as ecosystem services and include products like …   Wikipedia

• Ecosystem ecology — Figure 1. A riparian forest in the White Mountains, New Hampshire (USA). Ecosystem ecology is the integrated study of biotic and abiotic components of ecosystems and their interactions within an ecosystem framework. This science examines how… …   Wikipedia

• ecosystem — /ek oh sis teuhm, ee koh /, n. Ecol. a system formed by the interaction of a community of organisms with their environment. [1930 35; ECO + SYSTEM] * * * Complex of living organisms, their physical environment, and all their interrelationships in …   Universalium

• inland water ecosystem — ▪ biology Introduction       complex of living organisms in free water on continental landmasses.       Inland waters represent parts of the biosphere within which marked biological diversity, complex biogeochemical pathways, and an array of… …   Universalium

• Aquatic ecosystem — An aquatic ecosystem is an ecosystem located in water bodies. Communities of organisms that are dependent on each other and on their environment live in aquatic ecosystems. The two main types of aquatic ecosystems are marine ecosystems and… …   Wikipedia

• boundary ecosystem — ▪ biology Introduction       complex of living organisms in areas where one body of water meets another, e.g., estuaries and lagoons, or where a body of water meets the land, e.g., marshes. The latter are often called wetlands.       Boundary… …   Universalium

• Urban ecosystem — Urban ecosystems are the cities, towns and urban strips constructed by humans.This growth in the urban population and the supporting built infrastructure has impacted on both urban environments and also on areas which surround urban areas. These… …   Wikipedia

• mountain ecosystem — ▪ ecology Introduction       complex of living organisms in mountainous areas.       Mountain lands provide a scattered but diverse array of habitats in which a large range of plants (plant) and animals (animal) can be found. At higher altitudes… …   Universalium

• Arbuscular mycorrhiza — An arbuscular mycorrhiza (plural mycorrhizae or mycorrhizas) is a type of mycorrhiza in which the fungus penetrates the cortical cells of the roots of a vascular plant.Arbuscular mycorrhizae (AMs) are characterized by the formation of unique… …   Wikipedia