Riparian and in-stream restoration of boreal streams and rivers: success or failure?. Nilsson, C., Polvi, L. E., Gardeström, J., Hasselquist, E. M., Lind, L., & Sarneel, J. M. Ecohydrology, 8(5):753–764, 2015. ![Riparian and in-stream restoration of boreal streams and rivers: success or failure? [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex We reviewed follow-up studies from Finnish and Swedish streams that have been restored after timber floating to assess the abiotic and biotic responses to restoration. More specifically, from a review of 18 case studies (16 published and 2 unpublished), we determined whether different taxonomic groups react differently or require different periods of time to respond to the same type of restoration. Restoration entailed returning coarse sediment (cobbles and boulders) and sometimes large wood to previously channelized turbulent reaches, primarily with the objective of meeting habitat requirements of naturally reproducing salmonid fish. The restored streams showed a consistent increase in channel complexity and retention capacity, but the biotic responses were weak or absent in most species groups. Aquatic mosses growing on boulders were drastically reduced shortly after restoration, but in most studies, they recovered after a few years. Riparian plants, macroinvertebrates and fish did not show any consistent trends in response. We discuss seven alternative explanations to these inconsistent results and conclude that two decades is probably too short a time for most organisms to recover. We recommend long-term monitoring using standardized methods, a landscape-scale perspective and a wider range of organisms to improve the basis for judging to what extent restoration in boreal streams has achieved its goal of reducing the impacts from timber floating. Copyright © 2014 John Wiley & Sons, Ltd.
@article{nilsson_riparian_2015,
title = {Riparian and in-stream restoration of boreal streams and rivers: success or failure?},
volume = {8},
copyright = {Copyright © 2014 John Wiley \& Sons, Ltd.},
issn = {1936-0592},
shorttitle = {Riparian and in-stream restoration of boreal streams and rivers},
url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/eco.1480},
doi = {10.1002/eco.1480},
abstract = {We reviewed follow-up studies from Finnish and Swedish streams that have been restored after timber floating to assess the abiotic and biotic responses to restoration. More specifically, from a review of 18 case studies (16 published and 2 unpublished), we determined whether different taxonomic groups react differently or require different periods of time to respond to the same type of restoration. Restoration entailed returning coarse sediment (cobbles and boulders) and sometimes large wood to previously channelized turbulent reaches, primarily with the objective of meeting habitat requirements of naturally reproducing salmonid fish. The restored streams showed a consistent increase in channel complexity and retention capacity, but the biotic responses were weak or absent in most species groups. Aquatic mosses growing on boulders were drastically reduced shortly after restoration, but in most studies, they recovered after a few years. Riparian plants, macroinvertebrates and fish did not show any consistent trends in response. We discuss seven alternative explanations to these inconsistent results and conclude that two decades is probably too short a time for most organisms to recover. We recommend long-term monitoring using standardized methods, a landscape-scale perspective and a wider range of organisms to improve the basis for judging to what extent restoration in boreal streams has achieved its goal of reducing the impacts from timber floating. Copyright © 2014 John Wiley \& Sons, Ltd.},
language = {en},
number = {5},
urldate = {2019-03-27},
journal = {Ecohydrology},
author = {Nilsson, Christer and Polvi, Lina E. and Gardeström, Johanna and Hasselquist, Eliza Maher and Lind, Lovisa and Sarneel, Judith M.},
year = {2015},
keywords = {\#nosource, recovery, restoration, streams, timber floating},
pages = {753--764},
}
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