相比较而言， 针叶林及高纬地区森林具有较高的养分利用效率。
Moreover, coniferous forests and those in high latitude zones have higher efficiency in nutrient use.
在全球增暖背景下，冬季北半球高纬地区增温幅度更大，但温度变化明显具有区域性特点。
Under the background of global warming, the amplitude of temperature increase in winter in northern high latitudes is getting bigger and it has different features in different regions.
结果表明：这种效应主要表现在高纬区域。
It is shown that such an effect appears mainly in the high latitude region.
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