Macro-charcoal analysis of Lake Relem sediment core, northern Patagonia

We extracted sub-samples of one cubic centimetre contiguously every centimetre of the sediment core and sieved them in a 125 µm mesh. We counted the charcoal particles in a...我们沿沉积物岩芯（sediment core）以每1厘米为间隔连续采集1立方厘米的子样本，并用125微米（µm）孔径筛网进行过筛处理。我们将对其中的炭质颗粒进行计数……