A test of microclimatic facilitation and shrub canopy volume across the Californian aridity gradient.

In this study, we examined microclimatic parameters, including near-surface air temperature (NSAT), near-surface relative humidity (NSRH), and surface ground temperature (SGT) using a handheld device across seven site in California to test the hypothesis that foundation shrub canopies can provide microclimatic amelioration in dryland ecosystems.本研究中，我们采用手持设备在加利福尼亚州的7个样地开展监测，获取了近地表气温（near-surface air temperature，NSAT）、近地表相对湿度（near-surface relative humidity，NSRH）以及地表温度（surface ground temperature，SGT）等微气候参数，以此检验“建群灌丛冠层可对旱地生态系统起到微气候改善作用”这一研究假说。