Titlebook: Harvesting Operations in the Tropics; John Sessions Book 2007 Springer-Verlag Berlin Heidelberg 2007 Ernte.Ernteplannung.Forstarbeiten.Reg

Axillary

alternative water supplies. The value of an aquifer and the long-run analysis of groundwater use are strongly correlated to the problem of sustainability. It can be claimed that a society is not moving along a sustainable water resources management path if one of the following conditions hold:

脱离

alternative water supplies. The value of an aquifer and the long-run analysis of groundwater use are strongly correlated to the problem of sustainability. It can be claimed that a society is not moving along a sustainable water resources management path if one of the following conditions hold:

观点

n countries. While national averages do not account for the strong regional differences in groundwater use, it is apparent that groundwater plays a key role as an integral part of the national water management strategies in many of these countries.

形容词词尾

Book 2007ting and extraction operations are the activities that generally cause the most significant impacts on forest managed for timber production. Sustainable forest mana- ment is concerned with management of forests in such a way as to control the impacts associated with harvesting and timber extraction.

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冷淡一切

s for the costs they impose on the water supply systems, many of them still promote irrigation projects, seek market protection for certain crops, and establish generous grandfathering provisions for irrigators’ obligation to pay higher water rates (OECD, 1999; Garrido, 1998; Dinar and Subramanian, 1997).