Production of greenhouse-grown biocrust mosses and associated cyanobacteria to rehabilitate dryland soil function

Anita Antoninka, Matthew A Bowker, Sasha C. Reed, Kyle Doherty

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Mosses are an often-overlooked component of dryland ecosystems, yet they are common members of biological soil crust communities (biocrusts) and provide key ecosystem services, including soil stabilization, water retention, carbon fixation, and housing of N2 fixing cyanobacteria. Mosses are able to survive long dry periods, respond rapidly to precipitation, and reproduce vegetatively. With these qualities, dryland mosses have the potential to be an excellent dryland restoration material. Unfortunately, dryland mosses are often slow growing in nature, and ex situ cultivation methods are needed to enhance their utility. Our goal was to determine how to rapidly produce, vegetatively, Syntrichia caninervis and S. ruralis, common and abundant moss species in drylands of North America and elsewhere, in a greenhouse. We manipulated the length of hydration on a weekly schedule (5, 4, 3, or 2 days continuous hydration per week), crossed with fertilization (once at the beginning, monthly, biweekly, or not at all). Moss biomass increased sixfold for both species in 4 months, an increase that would require years under dryland field conditions. Both moss species preferred short hydration and monthly fertilizer. Remarkably, we also unintentionally cultured a variety of other important biocrust organisms, including cyanobacteria and lichens. In only 6 months, we produced functionally mature biocrusts, as evidenced by high productivity and ecosystem-relevant levels of N2 fixation. Our results suggest that biocrust mosses might be the ideal candidate for biocrust cultivation for restoration purposes. With optimization, these methods are the first step in developing a moss-based biocrust rehabilitation technology.

Original languageEnglish (US)
Pages (from-to)324-335
Number of pages12
JournalRestoration Ecology
Volume24
Issue number3
DOIs
StatePublished - May 1 2016

Fingerprint

soil crusts
soil crust
greenhouse production
arid lands
moss
mosses and liverworts
Cyanobacteria
cyanobacterium
soil
hydration
soil stabilization
soil function
carbon fixation
ecosystems
ecosystem
system optimization
water retention
lichen
ecosystem service
ecosystem services

Keywords

  • Biocrust cultivation
  • Biological soil crust
  • C and nitrogen fixation
  • Dryland rehabilitation technology
  • Dryland restoration material
  • Syntrichia spp.

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Nature and Landscape Conservation

Cite this

Production of greenhouse-grown biocrust mosses and associated cyanobacteria to rehabilitate dryland soil function. / Antoninka, Anita; Bowker, Matthew A; Reed, Sasha C.; Doherty, Kyle.

In: Restoration Ecology, Vol. 24, No. 3, 01.05.2016, p. 324-335.

Research output: Contribution to journalArticle

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