Fen restoration and ecotone creation in South East Manitoba

马尼托巴东南部的沼泽恢复和生态交错带创建

• 批准号: 565211-2021
• 负责人: Whittington, PeterPNW
• 金额: $ 3.18万
• 依托单位: Brandon University
• 依托单位国家: 加拿大
• 项目类别: Alliance Grants
• 财政年份: 2022
• 资助国家: 加拿大
• 起止时间: 2022-01-01 至 2023-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=754866
• 关键词: Fen; restoration; ecotone; creation; South

Peatlands are important stores of carbon, storing more carbon that the world's forests combined, despite covering only 3% of the Earth's surface. Peatlands are usually broken into two groups: bogs and fens. Bog peatlands get their water only from rain, whereas fens can get their water from streams, groundwater, as well as rain. Some of these peatlands, typically bogs, are used for horticultural peat, the 'peat moss' that you can buy at garden centres, which is used to grow vegetables and flowers in your garden or commercial greenhouses. Once the peat has been extracted, the sites need to be restored so they begin to accumulate carbon again. Most of the extracted peatlands in Canada have been restored to a bog peatland, however, sometimes it might make more sense to restore these sites to a fen peatland given the properties of the remaining peat in the field. However, we must improve our understanding about fen restoration in Canada. At the previous restoration sites, little attention was paid to linking the restoration with the surrounding landscape; often an abrupt transition between the restored site and the natural landscape surrounding it would occur. Basically, there was no ecotone between the two ecosystems, just an abrupt transition. Our research aims to address these two topics: fen restoration and ecotone creation. We are going to restore a large peat extraction site in south eastern Manitoba. At the site we are going to use different approaches to try and retain as much water on the site as possible and then measure the hydrologic and carbon cycles to see how effective our approaches are. We are also going to create a gentle slope between the natural ecosystem and the restored site, hoping to encourage the flow of water and nutrients to the restoration.

泥炭地是碳的重要存储，尽管只覆盖了地球表面的3％，但仍能储存更多的碳。泥炭地通常分为两组：沼泽和预费群。沼泽泥炭地只有从雨水中得到水，而福特可以从溪流，地下水和雨水中获取水。其中一些泥炭地通常是沼泽，用于园艺泥炭，您可以在花园中心购买的“泥炭苔藓”，该中心用于在花园或商业温室中种植蔬菜和花朵。一旦提取泥炭，就需要恢复泥炭，以便它们再次积聚碳。加拿大的大多数提取的泥炭地都已恢复为沼泽泥炭地，但是，考虑到其余泥炭在田间的特性，将这些地点恢复到泥炭地的泥炭地可能更有意义。但是，我们必须提高对加拿大FEN修复的理解。在先前的修复站点上，很少关注将修复与周围的景观联系起来。经常会发生经过修复的地点与周围的自然景观之间的突然过渡。基本上，两个生态系统之间没有生态酮，只是一个突然的过渡。我们的研究旨在解决这两个主题：FEN恢复和Ecotone创建。我们将恢复曼尼托巴省东南部的大型泥炭提取地点。在现场，我们将使用不同的方法来尝试在现场保持尽可能多的水，然后测量水文和碳周期，以了解我们的方法的有效性。我们还将在自然生态系统和经过修复的地点之间建立一个温和的斜率，以期鼓励水和养分流向修复。