By George A. Petrides
Этот иллюстрированный определитель включает детальные описания 387 видов, объединенных в 6 групп по внешнему сходству. forty seven цветных вкладок и текстовые описания характеризуют особенности видов, необходимые для идентификации. Цветные фотографии и 295 карт распространения дополняют видовые описания.
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Extra info for A Field Guide to Western Trees: Western United States and Canada
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66). Therefore, the big issue in multi-criteria decision-making is that of trade-offs: how much is the decision-maker willing to give up in one criterion, in order to improve the performance with respect to another criterion by some fixed amount. For instance, the decision-maker needs to decide, how much more risk of beetle outbreak he/she will tolerate in order to improve net incomes by 100€, or how much incomes is he/she willing to give up in order to reduce the risk by 10 %. The trade-off decisions are about personal values, and thus, they require subjective judgement of the decision-maker.
A Field Guide to Western Trees: Western United States and Canada by George A. Petrides