湿地与湿地公约

Sierra Pacific Industries木材公司总部设在加利福尼亚 ,是美国第二大私有土地主 ,拥有 1 52万英亩 (=61 .51万 hm2 )森林地。根据福布斯杂志的报道 ,Sierra PacificIndustries公司老板 Archie Emmerson是美国 2 0 0位最富者之一。这家公司计划对其大部分森林进行皆伐 ,并用人工林取而代之。公司发言人称 ,公司森林连绵 50 0 km,长期以来采取择伐方式 ,已把优良立木采伐一空。现在已别无出路 ,只能将残林伐掉 ,重新开始。加州林业官员称 ,Sierra Pacific Industries公司在加速皆伐进程 ,1 999年皆伐面积是1 998年的 1 56%。林业官员并…

Wetland and Ramsar Convention

Wetland, as one of the major important eco systems on the earth, has attracted attention of the world. However what is the wetland? What is the Convention on Wetland? A few people can answer these questions precisely. Since 1992 when UNCED adopted Agenda 21, the international community including China has attached importance to wetlands. To meet the requirement of raising public awareness of wetlands the author gives a brief introduction on wetlands including definition on wetland, its functions and the Convention (history, contents and activities). Some information regarding implementation of the Convention in China is also provided.