Developing peatland ecosystem accounts to guide targets for restoration

IF 1.8 Q3 ECOLOGY One Ecosystem Pub Date : 2021-12-22 DOI:10.3897/oneeco.6.e76838
C. Farrell, Lisa Coleman, D. Norton, M. Kelly-Quinn, C. Obst, M. Eigenraam, C. O’Donoghue, Stephen Kinsella, F. Smith, Iseult Sheehy, J. Stout
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引用次数: 2

Abstract

The United Nations System of Environmental and Economic Accounting - Ecosystem Accounting (SEEA EA) is a geospatial approach, whereby existing data on ecosystem stocks and flows are collated to show changes over time. The framework has been proposed as a means to track and monitor ecosystem restoration targets across the EU. Condition is a key consideration in the conservation assessment of habitats protected under the EU Habitats Directive and ecosystem condition accounts are also integral to the SEEA EA. While SEEA EA accounts have been developed at EU level for an array for ecosystem types, condition accounts remain the least developed. Collating available datasets under the SEEA EA framework, we developed extent and rudimentary condition accounts for peatland ecosystems at catchment scale in Ireland. Information relating to peatland ecosystem sub-types or habitat types was collated for peatland habitats listed under Annex I of the EU Habitats Directive, as well as degraded peatlands not included in EU nature conservation networks. While data relating to peatland condition were limited, understanding changes in ecosystem extent and incorporating knowledge of habitat types and degradation served as a proxy for ecosystem condition in the absence of more comprehensive data. This highlighted the importance of the ecosystem extent account, which underpins all other accounts in the SEEA EA framework. Reflecting findings at EU level, drainage, disturbance and land conversion were identified as the main pressures affecting peatland condition. We highlighted a number of options to gather data to build more robust, time-series extent and condition accounts for peatlands at varying accounting scales. Overall, despite the absence of comprehensive data, bringing information under the SEEA EA framework is considered a good starting point, with the integration of expert ecological opinion considered essential to ensure development of reliable accounts, particularly when working at ecosystem sub-type (habitat type) and catchment scale.
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建立泥炭地生态系统核算体系,指导泥炭地恢复目标
联合国环境和经济核算系统-生态系统核算(SEEA - EA)是一种地理空间方法,据此对生态系统存量和流量的现有数据进行整理,以显示随时间的变化。该框架被提议作为跟踪和监测整个欧盟生态系统恢复目标的一种手段。在欧盟生境指令保护的生境保护评估中,条件是一个关键的考虑因素,生态系统条件帐户也是SEEA EA的组成部分。虽然SEEA EA帐户已经在欧盟一级开发了一系列生态系统类型,但条件帐户仍然是最不发达的。在SEEA EA框架下整理现有数据集,我们开发了爱尔兰集水区泥炭地生态系统的范围和基本条件。对欧盟生境指令附件一中列出的泥炭地生境以及未列入欧盟自然保护网络的退化泥炭地进行了有关泥炭地生态系统亚型或生境类型的信息整理。虽然与泥炭地状况有关的数据有限,但在缺乏更全面的数据的情况下,了解生态系统范围的变化和纳入栖息地类型和退化的知识可以作为生态系统状况的代表。这突出了生态系统范围核算的重要性,它是SEEA EA框架中所有其他核算的基础。根据欧盟层面的调查结果,排水、干扰和土地转换被确定为影响泥炭地状况的主要压力。我们强调了一些收集数据的选项,以便在不同的会计尺度下为泥炭地建立更可靠的时间序列范围和条件核算。总体而言,尽管缺乏全面的数据,但将信息纳入SEEA - EA框架被认为是一个良好的起点,整合专家生态学意见被认为是确保建立可靠帐户的必要条件,特别是在生态系统亚型(生境类型)和集水区规模方面。
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来源期刊
One Ecosystem
One Ecosystem Environmental Science-Nature and Landscape Conservation
CiteScore
4.60
自引率
0.00%
发文量
26
审稿时长
12 weeks
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