As to the interaction effect, leaf PCII did not differ significantly between N-fixing and non N fixing invasive plants (t19?=?0��658, P?=?0��516), but was higher in N-fixing natives compared with non N fixing natives (t18?=?3��78, P?=?0��001). On the other hand, leaf PCII did not differ significantly between native and invasive N-fixing plants (t17?=?0��536, P?=?0��599), but was significantly higher for invasive non N-fixing plants compared with native non N-fixers (t20?=?4��47, P?<?0��001). Principal components analysis on the full litter traits data set showed that the PCI and PCII explained 33��7% and 25��1% of the total variability respectively, and that PCI was strongly related to the concentrations of lignin, fibre and condensed tannins, and C?:?P ratio. Further, PCII was strongly related to the N?:?P and C?:?N ratios, <a href="http://www.selleckchem.com/products/PD-0332991.html
">Palbociclib price and total phenolic concentration (see Table?S4). Analysis of variance on those PC axes showed significant overall effects on both invasion status and N fixation ability on PCII but not PCI (Table?2). There were no interactive effects between invasion status and N fixation ability on litter trait variables (Table?2). Analysis of variance showed that leaf consumption rate by slugs was significantly higher for N-fixing than for non N-fixing species, although there was no difference between invasive and native species (Fig.?3a). Litter decomposition rate was unaffected by either invasion status or N fixation ability (Fig.?3b). By testing the effect of N fixation ability within both invasive and native plants, it was revealed buy Everolimus
that both consumption and decomposition did not significantly differ with N fixation ability for invasive plants (t19?=?1��75, P?=?0��097 and t18?=?0��922, P?=?0��369 respectively) or for native plants (t18?=?1��75, P?=?0��097 and t18?=?1��74, P?=?0��099 respectively). By testing the effect of invasion status within both N-fixers and non N-fixers, it was revealed that both consumption and decomposition did not significantly differ with invasion status for non N-fixing plants (t20?=?1��38, P?=?0��182 and t19?=?0��351, P?=?0��729 respectively). Bortezomib
For N-fixing plants, the consumption did not differ with invasion status (t17?=?0��625, P?=?0��540), but the decomposition did marginally differ (t17?=?1��88, P?=?0��078). There was a significant positive relationship between leaf consumption rate and litter decomposition rate for the entire data set (Fig.?4a) and for both invasive and native N-fixing plants (Fig.?4b), but not for invasive or native non N-fixing plants (Fig.?4c). The slope for regression using ANCOVA differed significantly between N-fixers and non N-fixers (F7,32?=?7��71, P?=?0��009), with the N-fixing plants having a steeper slope; slopes did not significantly differ between native and invasive species (F7,32?=?0��114, P?=?0��738) (Fig.?4b,c).