Bracken-induced increase in soil P availability, along with its high P acquisition efficiency, enables it to invade P-deficient meadows

نویسندگان

چکیده

Abstract Changes in soil chemistry after invasion by bracken (Pteridium aquilinum) have been studied heathlands, but comparable studies meadows are lacking. We investigated if into P-deficient alters the nutrient-resource pool, as well mechanisms behind it linked to processes and nutrition. Furthermore, we how community composition responds differences before invasion. Soil plant material sampling, along with vegetation survey, were performed during peak biomass. Data analyses included analysis of variance canonical correspondence (CCA). Bracken increased P availability, organic C concentration, C:N, C:S N:S ratios, while decreasing Fe Co concentrations. pinnae rich P, its rhizomes K, whereas N:P was low. CCA showed contrasting abundance patterns frequent meadow species related K availability. Holcus lanatus exhibited competitive advantage under extremely low Increase availability may occurred through promoting leaching Al. By increasing for growth N limitation other species, can gain a from resource-niche perspective. Its ability increase physiological high acquisition efficiency, seem differentiate ecological strategy, which mainly confined nutrient-rich environments. This enabled invade meadows.

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ژورنال

عنوان ژورنال: Journal of Plant Ecology

سال: 2021

ISSN: ['1752-9921', '1752-993X']

DOI: https://doi.org/10.1093/jpe/rtab114