The MOVECLIM – AZORES project: Bryophytes from Pico Island along an elevation gradient

作者：Rosalina Gabriel, Leila Nunes Morgado, Paulo A. V. Borges, Márcia C. M. Coelho, Silvia C. Aranda, Débora Henriques, Cecı́lia Sérgio, Helena Hespanhol, Fernando Pereira, Manuela Sim‐Sim, Claudine Ah‐Peng · 发表于：Biodiversity Data Journal · 年份：2024 · DOI：10.3897/bdj.12.e117890 · 被引用次数：7 · 研究领域：Bryophyte Studies and Records、Lichen and fungal ecology、Peatlands and Wetlands Ecology

In September 2012, a comprehensive survey of Pico Island was conducted along an elevational transect, starting at Manhenha (10 m a.s.l.) and culminating at the Pico Mountain caldera (2200 m a.s.l.). The primary objective was to systematically inventory the bryophytes inhabiting the best-preserved areas of native vegetation environments. Twelve sites were selected, each spaced at 200 m elevation intervals. Within each site, two 10 m x 10 m plots were established in close proximity (10-15 m apart). Within these plots, three 2 m x 2 m quadrats were randomly selected and sampled for bryophytes using microplots measuring 10 cm x 5 cm, which were then collected into paper bags. Six substrates were surveyed in each quadrat: rock, soil, humus, organic matter, tree bark and leaves/fronds. Three replicates were obtained from all substrates available and colonised by bryophytes, resulting in a maximum of 18 microplots per quadrat, 54 microplots per plot, 108 microplots per site, and a total of 1296 microplots across the 12 sites on Pico Island. Two-thirds of the maximum expected number of microplots (n = 878; 67.75%) were successfully collected, yielding a total of 4896 specimens. The vast majority (n = 4869) were identified at the species/subspecies level. The study identified a total of 70 moss and 71 liverwort species or subspecies. Elevation levels between 600-1000 m a.s.l., particularly in the native forest plots, exhibited both a higher number of microplots and greater species ric...