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Capstone Projects

Rooted Education: learning from aquaponics

Sat, 04/30/2016 - 15:02
Abstract: Aquaponics is the integration of soil-less agriculture (hydroponics) within closed-loop aquaculture systems to reduce the toxic accumulation of nutrient waste from aquatic animals. Bacteria naturally establish to purify water by oxidizing the ammonia secreted by fish, which reduces the toxicity of effluent while creating a usable nitrogen source for plants. The conversion of ammonia and nitrite into nitrate by living bacteria communities is called a biological filter, or biofiltration (FAO 2014). Aquaponics would not be possible without biofiltration; the slightest amount of ammonia would be fatally toxic to fish, and plants wouldn't receive the nitrates they need to grow. There are unique opportunities offered by an aquaponics system to learn about ecological and human communities. 1.1. Aquaponics enables users to grow fish and agricultural plants with limited space and resource use (water, soil, and time). This enables an aquaponics user to invest less physical energy and time into expanding sustainable food resources for their household use. 1.2. A small aquaponics system could promote cultural values of self-sufficiency, energy consciousness, and connection to food systems. It could inspire individual efforts to produce food for one’s household, to build healthier and more resilient systems, and a greater appreciation for farming. Therefore, this project aims to actualize a mobile and functional aquaponics system for the educational benefit of the Paul Smith's College community. I will provide the background knowledge needed to maintain an aquaponics system, as well as describe the general concept of aquaponics design.
Access: No
Literary Rights: On
Major: Environmental Sciences, Natural Resources Sustainability Studies
Year: 2016
File Attachments: The Author has selected not to publish this complete work.
Authors: Brian Jason Kohan

Management Plan for Nuisance Populations of North American Beavers Castor canadensis in New York State

Mon, 04/30/2012 - 20:27
Abstract: The North American beavers Castor canadensis are a keystone species that were once nearly extirpated in New York State in the late 18th century. This was due to the destruction of their habitat and over trapping. Beavers have been successfully relocated back into New York State. Beavers provide a major role in manufacturing intricate food webs and, are beneficial to increasing the diversity of a landscape. However in certain areas of the state the beaver populations come into conflict with human communities. The conflict results from damage to public and private lands. Beavers damage crops, human structures and contaminate water supplies by flooding. The damage created by beavers creates a safety as well as an economic issue. This management plan will give various methods of reducing the beaver population in areas where they cause severe amounts of damage and hefty costs associated with repairing the damage; without completely extirpating the beavers from the landscape.
Access: No
Literary Rights: Off
Major: Natural Resources Management and Policy
Year: 2012
File Attachments: The Author has selected not to publish this complete work.
Authors: Tyler Spaulding