نتایج جستجو برای: polystichum
تعداد نتایج: 279 فیلتر نتایج به سال:
Three new species of Polystichum (Dryopteridaceae), P. paramartini R. H. Jiang et X. C. Zhang, sublanceolatum and venosum are described illustrated. They all from the limestone mountains in South Southwest China. The first two found caves while third one occurs on mountain slopes. Detailed descriptions, line drawings, ecological preferences, conservation status provided.
Locally available resources can be shared within clonal plant systems through physiological integration, thus enhancing their survival and growth. Most epiphytes exhibit clonal growth habit, but few studies have tested effects of physiological integration (resource sharing) on survival and growth of epiphytes and whether such effects vary with species. We conducted two experiments, one on indiv...
For the purposes of forest restoration, carbon (C) fixation, and economic improvement, eucalyptus (Eucalyptus urophylla) has been widely planted in South China. The understory of eucalyptus plantations is often occupied by a dense community of the fern Dicranopteris dichotoma, which intercepts tree canopy leaf litter before it reaches the ground. To understand the effects of this interception o...
Spatial heterogeneity in resource supply is common and responses to heterogeneous resource supply have been extensively documented in clonal angiosperms but not in pteridophytes. To test the hypotheses that clonal integration can modify responses of pteridophytes to heterogeneous resource supply and the integration effect is larger at higher patch contrast, we conducted a field experiment with ...
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