Ex situ germplasm collections of exceptional species are a vital part of the conservation of Australia's national plant treasures

IF 3.7 2区 环境科学与生态学 Q1 BIODIVERSITY CONSERVATION Plants People Planet Pub Date : 2023-09-12 DOI:10.1002/ppp3.10421
Amelia J. Martyn Yenson, Karen D. Sommerville, Lydia K. Guja, David J. Merritt, Emma L. Dalziell, Tony D. Auld, Linda Broadhurst, David J. Coates, Lucy Commander, Andrew D. Crawford, Nathan J. Emery, Bryn Funnekotter, Zoe Knapp, Robert O. Makinson, Leonie Monks, Damian Wrigley, Catherine A. Offord
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引用次数: 1

Abstract

Societal Impact Statement Conservation seed banks maintain collections of many seed‐bearing plant species, providing germplasm and data to support management of wild populations. However, a proportion of plant species produce seeds that are difficult to collect, dry, store and utilise; these are known as ‘exceptional’ species. Here we tested a framework for identifying exceptional species, to document examples and provide case studies within the Australian flora. We present a workflow that may be used to identify additional exceptional species, and direct efforts to establish appropriate collection types (seeds and/or living collections, tissue culture or cryopreservation) for their ex situ conservation. Summary Seed banking is well established to contribute to the conservation of many seed‐bearing plant species ex situ for future use in restoration, translocation, agriculture and horticulture. In Australia, over 67% of currently listed threatened plants are represented in conservation seed banks. However, there are challenges to conserving the full extent of plant diversity in seed banks, with growing recognition that we need to think beyond conventional seed banking methods to conserve ‘exceptional’ plant species that are difficult to collect, store and germinate. We examine how the framework for identification of such species can be applied to the Australian flora, using examples from the recently published guidelines for ‘ Plant Germplasm Conservation in Australia ’ and case studies and data arising from the Australian Academy of Science Fenner Conference on the Environment ‘Exceptional Times, Exceptional Plants’ . We present a workflow to assist conservation decision‐makers and practitioners in identifying exceptional species and overcoming barriers to storage of germplasm, enabling appropriate ex situ collection types to be established via seeds, living collections, tissue culture, cryopreservation or a combination of these. Australia's seed conservation sector continues to expand, with increasing expertise, facilities and networks established to conserve a diversity of plant species; however, resolving the challenges relating to each exceptionality factor requires significantly more time, labour and collaboration than current capacity allows. Understanding the barriers to conservation and production of healthy plants, via germination or other methods of propagation, is a critical component of conserving species long‐term and ultimately returning plants to the landscape.
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特殊物种的迁地种质收集是澳大利亚国家植物宝藏保护的重要组成部分
保护种子库保存着许多有种子的植物物种,为支持野生种群的管理提供种质和数据。然而,有一部分植物物种产生的种子难以收集、干燥、储存和利用;这些被称为“特殊”物种。在这里,我们测试了一个识别特殊物种的框架,以记录例子并提供澳大利亚植物区系的案例研究。我们提出了一个工作流程,可用于识别额外的特殊物种,并直接努力建立适当的收集类型(种子和/或活体收集,组织培养或冷冻保存),以进行迁地保护。种子库的建立有助于保护许多非原生境的种子植物物种,以备将来在恢复、迁移、农业和园艺中使用。在澳大利亚,超过67%的濒危植物保存在保护种子库中。然而,在种子库中充分保护植物多样性面临着挑战,越来越多的人认识到我们需要超越传统的种子库方法来保护难以收集、储存和发芽的“特殊”植物物种。我们使用最近出版的“澳大利亚植物种质资源保护”指南中的例子,以及澳大利亚科学院芬纳环境会议“特殊时代,特殊植物”的案例研究和数据,研究了如何将这些物种的识别框架应用于澳大利亚的植物区系。我们提出了一个工作流程,以帮助保护决策者和从业者识别特殊物种,克服种质资源储存的障碍,通过种子、活体收集、组织培养、冷冻保存或这些方法的组合建立合适的非原位收集类型。澳大利亚的种子保护部门继续扩大,为保护植物物种多样性而建立的专业知识、设施和网络不断增加;然而,解决与每个异常因素相关的挑战需要比当前能力所允许的多得多的时间、劳动力和协作。了解通过发芽或其他繁殖方法保护和生产健康植物的障碍,是长期保护物种并最终使植物回归景观的关键组成部分。
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来源期刊
CiteScore
9.90
自引率
5.90%
发文量
81
审稿时长
12 weeks
期刊介绍: Plants, People, Planet aims to publish outstanding research across the plant sciences, placing it firmly within the context of its wider relevance to people, society and the planet. We encourage scientists to consider carefully the potential impact of their research on people’s daily lives, on society, and on the world in which we live. We welcome submissions from all areas of plant sciences, from ecosystem studies to molecular genetics, and particularly encourage interdisciplinary studies, for instance within the social and medical sciences and chemistry and engineering.
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