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| 30 | {
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30 | {
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| 31 | Expression heightGrowthPotential; ///< formula that expresses height growth potential |
31 | Expression heightGrowthPotential; ///< formula that expresses height growth potential |
| 32 | int maxStressYears; ///< trees die, if they are "stressed" for this number of consectuive years |
32 | int maxStressYears; ///< trees die, if they are "stressed" for this number of consectuive years |
| 33 | double stressThreshold; ///< tree is considered as "stressed" if f_env_yr is below that threhold |
33 | double stressThreshold; ///< tree is considered as "stressed" if f_env_yr is below that threhold |
| 34 | float hdSapling; ///< fixed height-diameter ratio used for saplings |
34 | float hdSapling; ///< fixed height-diameter ratio used for saplings |
| 35 | double ReineckesR; ///< Reineckes R, i.e. maximum stem number for a dg of 25cm |
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| - | 35 | double ReinekesR; ///< Reinekes R, i.e. maximum stem number for a dg of 25cm |
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| 36 | double referenceRatio; ///< f_ref (eq. 3) -> ratio reference site / optimum site |
36 | double referenceRatio; ///< f_ref (eq. 3) -> ratio reference site / optimum site |
| 37 | SaplingGrowthParameters(): maxStressYears(3), stressThreshold(0.1), hdSapling(80.f), ReineckesR(1450.), referenceRatio(1.) {} |
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| - | 37 | SaplingGrowthParameters(): maxStressYears(3), stressThreshold(0.1), hdSapling(80.f), ReinekesR(1450.), referenceRatio(1.) {} |
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| - | 38 | double representedStemNumber(const double dbh) const { return ReinekesR*pow(dbh/25, -1.605); } ///< stem number that is represented by one cohort (N/ha) (using Reinekes Law) |
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| 38 | }; |
39 | }; |
| 39 | 40 | ||
| 40 | 41 | ||
| 41 | class Species
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42 | class Species
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| 42 | {
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43 | {
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