From farm to field: testing different biocrust cultivation approaches and application techniques in the Sonoran Desert.

IF 2.7 3区环境科学与生态学 Q2 ECOLOGY

Restoration Ecology Pub Date : 2025-06-01 DOI:10.1111/rec.70098

H I Rowe, A Antoninka, D Langenfeld, J Brady, T A Sprague, M Fastiggi, D R Kollath, M L Ramsey, B M Barker

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引用次数: 0

Abstract

Drylands are among the most degraded ecosystems globally and are difficult to restore due to limited water availability. Biocrusts are a key component of maintaining soil stability and function in these systems. Since biocrust salvage opportunities are limited, cultivating salvaged biocrusts is a promising method. Previously biocrusts were cultivated in three different ways: in a greenhouse, in situ layered with shade cloth ("quesadilla"), or in situ with a hoophouse. Our current research objective is to field test methods for establishing the previously cultivated biocrusts. The goals were to 1) compare the efficacy of stabilization treatments for biocrust establishment, 2) test establishment when cultivated biocrusts are transferred with jute compared to scraped off jute, 3) evaluate field survival and community composition, and 4) investigate plant-biocrust interactions. Psyllium outperformed other stabilization treatments, but all treatments improved biocrust cover compared to the no biocrust control in the first season. Increased cover of biocrusts resulted in higher levels of colonization outside the treated area over time. We found no whole community fungal or bacterial differences across cultivation treatments. Seedling establishment was reduced when applied with biocrust sods but improved using jute without biocrust. Cultivating biocrusts to increase the availability and application of salvaged biocrusts is a promising method for restoration.

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从农场到田野：在索诺兰沙漠测试不同的生物硬壳栽培方法和应用技术。

旱地是全球退化最严重的生态系统之一，由于可用水资源有限，很难恢复。在这些系统中，生物结皮是维持土壤稳定性和功能的关键组成部分。由于生物外壳的回收机会有限，因此培养再生生物外壳是一种很有前途的方法。以前的生物结壳有三种不同的培养方式：在温室中，用遮阳布在原地分层（“玉米饼”），或者在原地用温室。我们目前的研究目标是实地测试建立先前培养的生物外壳的方法。目的是：1)比较稳定处理对生物结皮形成的效果；2)比较黄麻与刮除黄麻转移培养生物结皮时的建立情况；3)评估田间存活率和群落组成；4)调查植物与生物结皮的相互作用。车前草的稳定性优于其他处理，但在第一季，所有处理都比无生物结皮的处理改善了生物结皮覆盖率。随着时间的推移，生物外壳覆盖面积的增加导致处理区域外的殖民化水平升高。我们发现，在不同的栽培处理中，整个群落的真菌或细菌没有差异。施用生皮草可减少幼苗成活率，而施用无生皮黄麻可提高幼苗成活率。培养生物痂以提高回收生物痂的可利用性和利用率是一种很有前途的修复方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Restoration Ecology 环境科学-生态学

CiteScore

6.50

自引率

15.60%

发文量

226

审稿时长

12-24 weeks

期刊介绍： Restoration Ecology fosters the exchange of ideas among the many disciplines involved with ecological restoration. Addressing global concerns and communicating them to the international research community and restoration practitioners, the journal is at the forefront of a vital new direction in science, ecology, and policy. Original papers describe experimental, observational, and theoretical studies on terrestrial, marine, and freshwater systems, and are considered without taxonomic bias. Contributions span the natural sciences, including ecological and biological aspects, as well as the restoration of soil, air and water when set in an ecological context; and the social sciences, including cultural, philosophical, political, educational, economic and historical aspects. Edited by a distinguished panel, the journal continues to be a major conduit for researchers to publish their findings in the fight to not only halt ecological damage, but also to ultimately reverse it.