Open Access Data: Soil change after planting longleaf pine on agricultural lands: Revisiting a chronosequence study after 23 years

To inform questions about carbon (C) storage and nutrient status, we repeated measurements of mineral soil total C, total nitrogen (N), and extractable phosphorus (P) on a chronosequence of replicated (<i>n</i> = 3) planted longleaf pine stands of various age classes. We also repeated measurements of soil C and nutrients in three never-tilled naturally regenerated stands dominated by longleaf pine. The study site was located at The Jones Center at Ichauway in southwestern Georgia, USA, which is in the Gulf of Mexico coastal plain (31°19ʹN, 80°20ʹW).

为解答有关碳（C）储量与养分状况的科学问题，我们针对一组由不同林龄人工种植长叶松林分构成的重复样地时间序列（每组重复数n=3），对其矿质土壤的总碳（total C）、总氮（total nitrogen，N）及可提取磷（extractable phosphorus，P）开展了重复测定。此外，我们还对3处未经过翻耕、以长叶松为优势种的天然更新林分的土壤碳与养分进行了重复测定。本研究样地位于美国佐治亚州西南部的伊乔韦琼斯中心（The Jones Center at Ichauway），地处墨西哥湾沿岸平原，地理坐标为31°19′N，80°20′W。