Pringle, M. P.,and K. Fox-Dobbs. 2008. Coupling of canopy and understory food webs by ground-dwelling predators. Ecology Letters 11: 1328-1337. 文章借助碳稳定性同位素揭示树冠层和地表草本植物之间营养关系通过地面捕食者联系起来。表明取食关系完全不同的生态系统两部分之间空间上存在辅助能量 ...
爱上芦苇地 With his ear to the reedstems, caught at intervals, something of what the wind wet wispering so constantly among them. the wind playing in the reeds and rushes and osiers (Kenneth Grahme, 1908, The Wind in the Willows ) ...