| Autor: |
Ken Yeh, Yung-Shuen Shen, Han-Hsi Liang, Kevin Fong-Rey Liu, Cheng-Wu Chen |
| Rok vydání: |
2013 |
| Předmět: |
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| Zdroj: |
International Journal of Environmental Science and Development, Vol 4, Iss 4, Pp 419-424 (2013) |
| ISSN: |
2010-0264 |
| DOI: |
10.7763/ijesd.2013.v4.385 |
| Popis: |
There are three issues: 1) ecological effects quotient is a low-level toxicity risk estimate for chemical pressure because it uses a simple number to represent a complex biological problem; 2) besides biological toxicity, species future status is also relevant to physical and biological pressures which are difficult to express by ecological effects quotient; 3) we need a higher level methodology to consider all ecological pressures. To address the issues, this study has five objectives: 1) to design the ecological risk procedure for Bayesian belief networks (BBN) approach; 2) to represent the relationships between physical, chemical and biological pressures and effects with BBN; 3) to construct conditional probabilities in BBN by fuzzy logic; and 4) study case. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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