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Degradation of Southeast Asian tropical peatlands and integrated strategies for their better management and restoration
Journal of Applied Ecology ( IF 5.7 ) Pub Date : 2021-05-03 , DOI: 10.1111/1365-2664.13905
Shailendra Mishra 1 , Susan E. Page 2 , Alexander R. Cobb 3 , Janice Ser Huay Lee 1 , Antonio Jonay Jovani‐Sancho 4, 5 , Sofie Sjögersten 4 , Adi Jaya 6 , Aswandi 7 , David A. Wardle 1
Affiliation  

  1. About half of the world's tropical peatlands occur in Southeast (SE) Asia, where they serve as a major carbon (C) sink. Nearly 80% of natural peatlands in this region have been deforested and drained, with the majority under plantations and agriculture. This conversion increases peat oxidation which contributes to rapid C loss to the atmosphere as greenhouse gas emissions and increases their vulnerability to fires which generate regional smoke haze that has severe impacts on human health. Attempts at restoring these systems to mitigate environmental problems have had limited success.
  2. We review the current understanding of intact and degraded peatlands in SE Asia to help develop a way forward in restoring these ecosystems. As such, we critically examine them in terms of their biodiversity, C storage, hydrology and nutrients, paying attention to both above-ground and below-ground subsystems.
  3. We then propose an approach for better management and restoration of degraded peatlands that involves explicit consideration of multiple interacting ecological factors and the involvement of local communities who rely on converted peatlands for their livelihood.
  4. We make the case that as processes leading to peatland development involve modification of both above-ground and below-ground subsystems, an integrated approach that explicitly recognizes both subsystems and their interactions is key to successful tropical peatland management and restoration.
  5. Synthesis and applications. Gaining a better understanding of not just carbon stores and their changes during peat degradation, but also an in-depth understanding of the biota, nutrient dynamics, hydrology and biotic and abiotic feedbacks, is key to developing better solutions for the management and restoration of peatlands in Southeast Asia. Through the application of science- and nature-based solutions that recognize the interactions among the above-ground and below-ground subsystems, and taking into account the livelihood needs of local people, we propose a way to mitigate the ongoing environmental damage that is occurring in these iconic and unique ecosystems.


中文翻译:

东南亚热带泥炭地退化及其更好管理和恢复的综合战略

  1. 世界上大约一半的热带泥炭地位于东南亚 (SE) 亚洲,在那里它们是主要的碳 (C) 汇。该地区近 80% 的天然泥炭地已被砍伐和排水,其中大部分用于种植园和农业。这种转化增加了泥炭氧化,这会导致碳作为温室气体排放快速流失到大气中,并增加它们对火灾的脆弱性,火灾会产生对人类健康产生严重影响的区域性烟雾。恢复这些系统以缓解环境问题的尝试取得了有限的成功。
  2. 我们回顾了目前对东南亚完整和退化泥炭地的理解,以帮助制定恢复这些生态系统的前进道路。因此,我们从生物多样性、碳储存、水文和养分方面对它们进行了严格的检查,同时关注地上和地下子系统。
  3. 然后,我们提出了一种更好地管理和恢复退化泥炭地的方法,该方法涉及明确考虑多种相互作用的生态因素以及依赖转化的泥炭地谋生的当地社区的参与。
  4. 我们认为,由于导致泥炭地开发的过程涉及对地上和地下子系统的修改,明确识别这两个子系统及其相互作用的综合方法是热带泥炭地成功管理和恢复的关键。
  5. 合成与应用。不仅更好地了解碳储存及其在泥炭退化过程中的变化,而且深入了解生物群、营养动态、水文以及生物和非生物反馈,是开发更好的泥炭地管理和恢复解决方案的关键在东南亚。通过应用基于科学和自然的解决方案,识别地上和地下子系统之间的相互作用,并考虑到当地人民的生计需求,我们提出了一种减轻正在发生的持续环境破坏的方法在这些标志性和独特的生态系统中。
更新日期:2021-07-04
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