Recovery after trampling disturbance in a canopy-forming seaweed population

Araujo, Rita (author)

Sousa-Pinto, Isabel (author)

Serrao, E. A. (author)

Åberg, Per, 1959 (author): Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences

(creator_code:org_t)

2011-12-03
2012
English.
In: Marine Biology. - : Springer Science and Business Media LLC. - 0025-3162 .- 1432-1793. ; 159:3, s. 697-707

Related links:: https://gup.ub.gu.se...; show more...; https://doi.org/10.1...; show less...

Abstract Subject headings

The recovery of Ascophyllum nodosum, and the associated benthic community, was followed after repeated trampling disturbance at different intensities, from 2005 to 2010, at its southern limit (41 degrees 41'27 '' N;8 degrees 50'57 '' W). The cover of A. nodosum and associated organisms and the demography of A. nodosum individuals in the most disturbed areas were followed over a recovery period of 54 months. Recovery of A. nodosum assemblages was negatively affected by increasing trampling intensity. After 54 months, the highest intensity plots were still significantly different from control plots. Growth and mortality rates of A. nodosum increased shortly after disturbance but progressively recovered to levels close to control plots. The results of this study demonstrate the sensitivity of this habitat-building species to human trampling and also show its plasticity to cope with disturbance events.

By the author/editor: Araujo, Rita; Sousa-Pinto, Isa ...; Serrao, E. A.; Åberg, Per, 1959

About the subject

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