Arctic Beaver Observation Network (A-BON): Tracking a new disturbance regime

北极海狸观测网络（A-BON）：追踪新的干扰状况

基本信息

批准号：
2114051
负责人：
Kenneth Tape
金额：
$ 250.94万
依托单位：
University of Alaska Fairbanks Campus
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
2021
资助国家：
美国
起止时间：
2021-10-01 至 2026-09-30
项目状态：
未结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=2114051&HistoricalAwards=false
关键词：
Arctic Beaver Observation Network BON

项目摘要

This award is funded in whole or in part under the American Rescue Plan Act of 2021 (Public Law 117-2)Beavers are remarkable animals that engineer the landscape by building dams and transforming linear streams into a series of ponds. The impact of this engineering on lowland ecosystems is widely recognized in temperate regions, but beavers are now moving from the forest into arctic tundra regions, where their extent and impacts are unknown. In the Arctic, perennially frozen ground – permafrost – stores vast amounts of carbon, and the stability of permafrost is jeopardized when the landscape is inundated due to beaver engineering and changes in hydrology. Furthermore, stream life in the Arctic is limited by low temperatures, but deeper water associated with pond building increases water temperature in winter. This in turn alters stream ecology and may create refugia for new species moving into the Arctic, including fish. Beaver expansion into new areas has been observed with concern by people living in affected regions, particularly potential impacts to fish, water quality, and boat access. This research will co-produce knowledge with local people to understand concerns and observed impacts of beaver colonization. Scientific fieldwork at beaver ponds will illuminate changes in hydrology and permafrost. This understanding will be combined with satellite images of beaver ponds across the entire Arctic to determine the extent of beaver engineering and recent changes. This research is vital to our understanding of the current and future arctic ecosystem; it will be shared widely through education and media, including a Netflix series featuring beavers moving into tundra.The Arctic Beaver Observation Network (A-BON) will observe beaver engineering across circumarctic treeline and tundra environments during the last half-century by mapping and tracking beaver ponds using satellite imagery. Investigators will work closely with residents of three Alaskan communities (Shungnak, Kotzebue, and Noatak) to document long-term, experiential observations of beaver habitat and activity, particularly changes wrought to the landscape and to fish. These observations will provide local to regional insights clarifying the timing of beaver arrival and the impacts to socio-ecological systems. Scientific fieldwork will characterize how beavers alter physical attributes of the aquatic and terrestrial tundra environment, from initial perturbation to ongoing landscape evolution. A-BON will coordinate circumarctic efforts surrounding this issue, encouraging dialogue and data sharing among local communities, scientists, and land managers. A-BON adds to the NSF Arctic Observing Network portfolio a project with a strong remote sensing component complemented by a strong local need, perspective and collaboration. A-BON will provide a baseline circumarctic understanding of a new disturbance regime. This co-production of knowledge will inform a multitude of related studies on the ramifications of beaver colonization, from energy cycling to fish, riparian vegetation, subsistence land-use practices and human health.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

该奖项的全部或部分资金来源于《2021 年美国救援计划法案》（公法 117-2）。海狸是非凡的动物，它们通过建造水坝并将线性溪流改造成一系列池塘来改造景观。在温带地区，海狸对低地生态系统的影响已得到广泛认可，但海狸现在正从森林迁移到北极苔原地区，其范围和影响在北极的常年冻土——永久冻土地区尚不清楚。 – 储存大量的碳，当由于海狸工程和水文变化而被淹没时，永久冻土的稳定性会受到危害。此外，北极的溪流生命受到低温的限制，但与池塘建设相关的更深的水会增加水量。这反过来会改变河流生态，并可能为进入北极的新物种（包括鱼类）创造庇护所，生活在受影响地区的人们对此表示担忧，特别是对鱼类和水质的潜在影响。 ,这项研究将与当地人共同产生知识，以了解海狸池塘的科学实地考察和观察到的影响，并将这种了解与整个海狸池塘的卫星图像相结合。这项研究对于我们了解当前和未来的北极生态系统至关重要；该研究将通过教育和媒体广泛分享，其中包括一部讲述河狸进入苔原的 Netflix 剧集。海狸观测网络 (A-BON) 将通过使用卫星图像绘制和跟踪海狸池塘来观察过去半个世纪中整个环北极林线和苔原环境中的海狸工程，调查人员将与三个阿拉斯加社区（Shungnak、Kotzebue 和）的居民密切合作。诺阿塔克）记录对河狸栖息地和活动的长期、经验性观察，特别是对景观和鱼类造成的变化，这些观察结果将提供当地到区域的见解，阐明河狸发生的时间。海狸的到来及其对社会生态系统的影响。科学实地考察将描述海狸如何改变水生和陆地苔原环境的物理属性，从最初的扰动到持续的景观演变，A-BON 将协调围绕这一问题的环北极努力，鼓励对话和交流。当地社区、科学家和土地管理者之间的数据共享为 NSF 北极观测网络组合增添了一个具有强大遥感成分的项目，并辅以强大的当地需求、观点和协作。 A-BON 将为围绕北极的新干扰机制提供基线了解，这种知识的共同生产将为海狸殖民影响的众多相关研究提供信息，从能量循环到鱼类、河岸植被、自给性土地利用实践和该奖项反映了 NSF 的法定使命，并通过使用基金会的智力价值和更广泛的影响审查标准进行评估，被认为值得支持。

项目成果

期刊论文数量（13）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Integrating local environmental observations and remote sensing to better understand the life cycle of a thermokarst lake in Arctic Alaska

结合当地环境观测和遥感，更好地了解阿拉斯加北极热岩溶湖的生命周期

DOI：
10.1080/15230430.2023.2195518
发表时间：
2023
期刊：
and Alpine Research
影响因子：
0
作者：
Jones, Benjamin M.;Schaeffer Tessier, Susan;Tessier, Tim;Brubaker, Michael;Brook, Mike;Schaeffer, Jackie;Ward Jones, Melissa K.;Grosse, Guido;Nitze, Ingmar;Rettelbach, Tabea
通讯作者：
Rettelbach, Tabea

Swan Lake Creek Study Reach Datasets - beaver dams, flowlines, and UAS imagery; Seward Peninsula, Alaska; 2006-2021

天鹅湖溪研究河段数据集 - 海狸坝、流线和 UAS 图像；

DOI：
10.18739/a2fj29d9x
发表时间：
2021
期刊：
NSF Arctic Data Center
影响因子：
0
作者：
Jones, Benjamin;Tape, Ken;Clark, Jason;Bondurant, Allen;Ward Jones, Melissa;Gaglioti, Benjamin;Elder, Clayton;Witharana, Chandi;Miller, Charles
通讯作者：
Miller, Charles

Beaver Engineering: Tracking a New Disturbance in the Arctic

海狸工程：追踪北极的新干扰