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Environments 2016, 3(2), 14; doi:10.3390/environments3020014

A Proposal on the Restoration of Nostoc flagelliforme for Sustainable Improvement in the Ecology of Arid Steppes in China

1
School of Life Sciences, Hubei Key Laboratory of Genetic Regulation and Integrative Biology, Central China Normal University, Wuhan 430079, China
2
Shanghai Agrobiological Gene Center, Shanghai 201106, China
3
School of Life Sciences, Ningxia University, Yinchuan 750021, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Yu-Pin Lin
Received: 20 April 2016 / Revised: 23 May 2016 / Accepted: 24 May 2016 / Published: 2 June 2016
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Abstract

Nostoc flagelliforme, a filamentous nitrogen-fixing cyanobacterium, is widely distributed in arid steppes of the west and northwestern parts of China. However, as a food delicacy this species has been overexploited from 1970 to 2000. Moreover, overgrazing, land reclamation and the removal of medicinal herbs have caused severely reduced vegetation coverage there. In this communication, a badly damaged but slowly rehabilitating N. flagelliforme-inhibiting steppe is described, and the rehabilitation of desertified steppes by the renewed growth of N. flagelliforme is proposed. The restoration of this dominant nitrogen supplier would be an ecologically sustainable solution for supplementing current measures already taken in the desertified regions. In addition, a goal of 50%–60% vegetation coverage is proposed by the N. flagelliforme restoration. View Full-Text
Keywords: terrestrial cyanobacteria; Nostoc flagelliforme; arid steppe; carbon-nitrogen cycle; ecological improvement terrestrial cyanobacteria; Nostoc flagelliforme; arid steppe; carbon-nitrogen cycle; ecological improvement
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Gao, X.; Xu, H.; Ye, S.; Liang, W. A Proposal on the Restoration of Nostoc flagelliforme for Sustainable Improvement in the Ecology of Arid Steppes in China. Environments 2016, 3, 14.

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