Abstract：
:Kelp forests are in decline globally and large-scale intervention could be required to halt the loss of these valuable ecosystems. To date kelp forest restoration has had limited success and been expensive and unable to address the increasing scale of ecosystem deterioration. Here we developed and tested a new approach: "green gravel". Small rocks were seeded with kelp and reared in the laboratory until 2-3 cm, before out-planting to the field. The out-planted kelp had high survival and growth over 9 months, even when dropped from the surface. This technique is cheap, simple, and does not require scuba diving or highly trained field workers. It can be up-scaled to treat large areas or even used to introduce genes from more resilient kelp populations onto vulnerable reefs. Green gravel thus overcomes some of the current major limitations of kelp restoration and provides a promising new defense against kelp forest decline.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Fredriksen S,Filbee-Dexter K,Norderhaug KM,Steen H,Bodvin T,Coleman MA,Moy F,Wernberg Tdoi
10.1038/s41598-020-60553-xsubject
Has Abstractpub_date
2020-03-04 00:00:00pages
3983issue
1issn
2045-2322pii
10.1038/s41598-020-60553-xjournal_volume
10pub_type
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