Ecosystems engineering is specially designed for study and management of ecosystems. Its theory and method-ology are mainly derivcd from systems ecology and systems engineering An ecosystem is a biologically functiona...Ecosystems engineering is specially designed for study and management of ecosystems. Its theory and method-ology are mainly derivcd from systems ecology and systems engineering An ecosystem is a biologically functional entityconsisting of organisms, environmental factors and their interactional mechanisms which are naturally or artificially ar-ranged with their approytiate functions in the system and also subordinaled to the dynamics of the whole ecosystem If an ecosystem is broken or disintegrated into independent or isolated parts. its structural and functional entity will be greatly modified or even completely destroyed Yet without participation of organisms including human beings, a system is not anecosystem. Within an ecosystem, all life, production and social activities are directly or indirectly rclated to the energy flowand material exchange In fact. energy is a driving force for material exchange and material is the carrier of energy flowTherefore, an ecosystem can be logically recognized as an energy system Its components. structure, function. production,quality and benefits can be expressed, calculated and modelled in terms of energy. Ecoboundary theory is also used in thediscussion of pathways of energy flow. As being applied to agrolioresty management, envirommental conservation and com-munity social service which are all complicated ecosystems, ecosystem engineering requires a series of programming meas-ures such as investigation, decision-making, planning, simulating, design, establishment, management, evaluation and reno-vation so that an appropriate ecosystem with stable structure, ellective function and high productivity can be established forits expected economic, ecological and social benefits.展开更多
文摘Ecosystems engineering is specially designed for study and management of ecosystems. Its theory and method-ology are mainly derivcd from systems ecology and systems engineering An ecosystem is a biologically functional entityconsisting of organisms, environmental factors and their interactional mechanisms which are naturally or artificially ar-ranged with their approytiate functions in the system and also subordinaled to the dynamics of the whole ecosystem If an ecosystem is broken or disintegrated into independent or isolated parts. its structural and functional entity will be greatly modified or even completely destroyed Yet without participation of organisms including human beings, a system is not anecosystem. Within an ecosystem, all life, production and social activities are directly or indirectly rclated to the energy flowand material exchange In fact. energy is a driving force for material exchange and material is the carrier of energy flowTherefore, an ecosystem can be logically recognized as an energy system Its components. structure, function. production,quality and benefits can be expressed, calculated and modelled in terms of energy. Ecoboundary theory is also used in thediscussion of pathways of energy flow. As being applied to agrolioresty management, envirommental conservation and com-munity social service which are all complicated ecosystems, ecosystem engineering requires a series of programming meas-ures such as investigation, decision-making, planning, simulating, design, establishment, management, evaluation and reno-vation so that an appropriate ecosystem with stable structure, ellective function and high productivity can be established forits expected economic, ecological and social benefits.