Impacts of different vegetation in riparian buffer strips on hydrology and water quality

河岸缓冲带不同植被对水文水质的影响

• 批准号: BB/N004248/1
• 负责人: Adrian Collins
• 金额: $ 71.34万
• 依托单位: Rothamsted Research
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2016
• 资助国家: 英国
• 起止时间: 2016 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=BB%2FN004248%2F1
• 关键词: Impacts; different; vegetation; riparian; buffer

This project will investigate the impacts of different vegetation in buffer strips on runoff and pollution loss from agricultural land. Runoff from agricultural land and the pollution it carries continue to cause problems for flooding and water quality. The impacts of flooding arising from runoff from farmed land have been well documented in recent times, including during the wet winter of 2013 - e.g. on the Somerset Levels. Many of our rivers experience water quality problems which have implications for freshwater biology and water treatment costs. Better controls are therefore required in the context of the need for sustainable intensification of our farming. Buffer strips continue to feature in current revisions to agri-environment policy for helping deliver sustainable farming. These revisions affect subsidies for farmers in the form of 'greening' options and funding as part of the new Countryside Stewardship scheme (which commences in January 2016). Despite the continued inclusion of buffers as a 'catch-all' on-farm control option to combat diffuse runoff problems contributing to flooding and, pollution contributing to failure of water quality targets, evidence on the costs and effectiveness of different vegetation types is limited. This project will therefore use an established experimental facility to test deep-rooting grass, deciduous woodland and willow bioenergy crop covers in buffers for reducing runoff and losses of nutrients, sediment and pesticides. The buffers will be tested for reducing runoff and water pollution from grass and maize during a five year study. To expand beyond the experimental site, the new data on the costs and effectiveness of the different vegetation covers will be scaled up to examine potential economic benefits across England and Wales. A clear understanding of costs and benefits is important for industry to engage with research outputs and to encourage on-the-ground delivery of tested measures for farmers. Engagement with industry will be enhanced through demonstration of the plots to stakeholder groups. The project team brings a strong track record of buffer research and well-developed links to stakeholder networks including the grass, woodland and willow industries and those associated with on-going research platforms such as the Defra Demonstration Test Catchment (DTC) and Sustainable Intensification Platform (SIP) programmes, as well as the BBSRC funded North Wyke Farm Platform national capability.

本项目将研究不同植被对缓冲带径流和农业用地污染损失的影响。农田径流及其带来的污染继续造成洪水和水质问题。近年来，包括2013年潮湿的冬天在内，农田径流引起的洪水影响已经得到了充分的记录——例如在萨默塞特水位。我们的许多河流都有水质问题，这对淡水生物学和水处理成本都有影响。因此，在需要可持续集约化农业的背景下，需要更好的控制。缓冲带在当前修订的农业环境政策中继续发挥重要作用，以帮助实现可持续农业。这些修订影响了以“绿化”选项形式向农民提供的补贴，以及作为新农村管理计划（2016年1月开始实施）一部分的资金。尽管继续将缓冲区作为一种“包治百病”的农场控制选择，以对抗导致洪水的漫射径流问题，以及导致水质目标失败的污染，但关于不同植被类型的成本和有效性的证据有限。因此，该项目将使用一个已建立的实验设施来测试深根草、落叶林地和柳条生物能源作物覆盖缓冲区，以减少径流和养分、沉积物和农药的损失。在一项为期五年的研究中，将测试这些缓冲层是否能减少草地和玉米的径流和水污染。为了扩大实验范围，关于不同植被覆盖的成本和有效性的新数据将被扩大，以检查整个英格兰和威尔士的潜在经济效益。对成本和收益的清晰理解对于工业界参与研究成果和鼓励在实地为农民提供经过测试的措施非常重要。通过向利益相关者团体展示这些地块，将加强与工业界的接触。项目团队在缓冲研究方面有着良好的记录，并与利益相关者网络建立了良好的联系，包括草地、林地和柳树产业，以及与正在进行的研究平台相关的研究平台，如Defra示范测试集水区（DTC）和可持续强化平台（SIP）计划，以及BBSRC资助的北威克农场平台国家能力。

项目成果

Riparian buffer strips influence nitrogen losses as nitrous oxide and leached N from upslope permanent pasture

河岸缓冲带会影响氮的损失，因为一氧化二氮和从坡上永久牧场浸出的氮

• DOI: 10.1016/j.agee.2022.108031
• 发表时间: 2022
• 期刊: Agriculture, Ecosystems & Environment
• 作者: Dlamini J

Soil methane (CH 4 ) fluxes in cropland with permanent pasture and riparian buffer strips with different vegetation #

• DOI: 10.1002/jpln.202000473
• 发表时间: 2021-12
• 期刊: Journal of Plant Nutrition and Soil Science
• 影响因子: 2.5
• 作者: J. C. Dlamini;L. Cárdenas;E. Tesfamariam;R. Dunn;J. Hawkins;M. Blackwell;Jessica Evans;A. Collins

Final Project Report to SARIC

向国家工商行政管理总局提交的最终项目报告

• 发表时间: 2020
• 作者: Collins, AL

Soil N2O and CH4 Emissions From Fodder Maize Production With and Without Riparian Buffer Strips of Differing Vegetation

有和没有不同植被河岸缓冲带的饲料玉米生产中土壤 N2O 和 CH4 排放

• DOI: 10.21203/rs.3.rs-912897/v1
• 发表时间: 2021
• 作者: Dlamini J

The potential of soils from cropland and varying riparian buffer vegetations to emit NO, N2O, N2, and CO2 under denitrification.

农田土壤和不同河岸缓冲植被在反硝化作用下排放 NO、N2O、N2 和 CO2 的潜力。

• DOI: 10.21203/rs.3.rs-2669972/v1
• 发表时间: 2023
• 作者: Dlamini J