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plant anatomy

Posted April 25, 2013 by Matt Richardson | No Comments

Description of Ecosystem

An ecosystem is a community of living organisms (plants, animals and microbes) in conjunction with the nonliving components of their environment (things like air, water and mineral soil), interacting as a system.[2] These biotic and abiotic components are regarded as linked together through nutrient cycles and energy flows.[3] As ecosystems are defined by the network of interactions among organisms, and between organisms and […]

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Posted April 25, 2013 by Matt Richardson | No Comments

Biotic component

Biotic components are the living things that shape an ecosystem. A biotic factor is any living component that affects another organism, including animalsthat consume the organism in question, and the living food that the organism consumes. Each biotic factor needs energy to do work and food for proper growth. Biotic factors include human influence. Biotic components are contrasted to abiotic components, which are non-living […]

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Level: Junior Apprentice 12 growers found this useful

Posted April 25, 2013 by Matt Richardson | No Comments

Abiotic Component

In ecology and biology, abiotic components (also called abiotic factors) are non-living chemical and physical factors in the environment, which affect ecosystems. Abiotic phenomena underlies all biology. In biology, abiotic factors can be classified as radiation (light), temperature, water, atmospheric gases, or soil. The macroscopic climate often influences each of the above. Pressure and sound waves may also be considered in the context of marine or sub-terrestrial environments.[1] All of these factors affect different organisms to different extents. If there is […]

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Posted March 13, 2013 by Matt Richardson | No Comments

Aquaponics How To

This How To has been written to assist people with information about aquaponics. It has been written by Martin and Kerri of the Aquaponics Shop Online.

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Level: Junior Apprentice 12 growers found this useful

Posted March 13, 2013 by Matt Richardson | No Comments

Intro to Freshwater Aquaculture Chemistry

The major water quality factors that are important in freshwater aquaculture systems and methods to monitor them are described in this publication. Water quality determines not only how well fish will grow in an aquaculture operation, but whether or not they survive. Fish influence water quality through processes like nitrogen metabolism and respiration. Knowledge of testing procedures and […]

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Level: Junior Apprentice 12 growers found this useful

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Nitrifying Bacteria

Posted May 2, 2013 by Jill Frey | No Comments

Nitrifying Bacteria

Ideal Conditions for nitrifying bacteria: Temperature range is 68° -86° F pH 7.2-8.5 Dissolve oxygen (DO) of at least 2 mg/L As the fish digest and metabolize their food the proteins are broken down and it produces nitrogenous (nitrogen containing) waste. These wastes are processed into plant nutrients through the nitrogen cycle. Fish excrete this waste as […]

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Level: Junior Apprentice 12 growers found this useful
Creative Propagation

Posted May 14, 2013 by Jill Frey | No Comments

Creative Propagation

    http://www.timberpress.com/books/creative_propagation/thompson/9780881926811

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Level: Senior Apprentice 12 growers found this useful