See more photographs from the october 2009 feature story " redwoods . "

更多图片请见2009年10月专题报道：《红杉》。

Bill werner one of the group 's tree propagators showed off clones of redwoods .

项目组的树木繁殖专家比尔维尔纳正在展示他的红杉克隆成果。

Only about 5 percent of the native old-growth redwoods remain , experts estimate .

专家预算，大约只有百分之五的原生古红杉依旧活着。

Mr. werner and other project propagators use various methods to clone two types of redwoods coastal and giant sequoia .

维尔纳和其他繁殖专家利用各种方法已经成功克隆出两种红杉海岸红杉和巨杉。

Milarch said coast redwoods can reproduce themselves through a natural cloning process and by mating with other trees .

米拉克说，海岸红杉可以通过自然克隆过程自我繁殖，也可通过与其他树木杂交繁殖。