CAREER: Interactive Effects of Land Cover and Climate Change on Forest Carbon Sequestration: Integration of Research and Education to Advance Fundamental Science and Inclusivity

职业：土地覆盖和气候变化对森林碳固存的相互作用：研究和教育相结合，促进基础科学和包容性

• 批准号: 2145950
• 负责人: Andrew Reinmann
• 金额: $ 101.08万
• 依托单位: Research Foundation CUNY - Advanced Science Research Center
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2022
• 资助国家: 美国
• 起止时间: 2022-08-01 至 2027-07-31
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2145950&HistoricalAwards=false
• 关键词: CAREER; Interactive; Effects; Land; Cover

This award is funded in whole or in part under the American Rescue Plan Act of 2021 (Public Law 117-2).Temperate forests remove more carbon dioxide from the atmosphere than any other terrestrial ecosystem and thus play a critical role in slowing the rate of climate change. However, temperate forests are also the most heavily fragmented forest biome in the world. Deforestation from urbanization and agricultural expansion creates heterogeneous landscapes with large spatial gradients in growing conditions for trees. Trees at the forest edge grow faster than those in the forest interior, yet are more negatively impacted by extreme weather like high temperatures and drought. The mechanisms explaining why tree growth in fragmented forests is more negatively impacted by climate stress than in intact forests remain unknown. The scientific community’s understanding of how climate affects tree growth and forest carbon sequestration are largely based on studies from interior forest ecosystems, away from forest edges. This past focus on interior forests limits our understanding of carbon cycling across the large and growing proportion of temperate forests that is influenced by fragmentation. This study integrates a field experiment and modeling to test the interactive effects of forest fragmentation and climate on tree growth and forest carbon sequestration. The project is intended to transform how we think about the future of the temperate forest’s capacity to sequester carbon in a world facing ongoing changes in climate and land cover and thus will inform climate change mitigation strategies. This work is paired with initiatives aimed at addressing major barriers to inclusion in environmental biology and improving communication between academics and stakeholders, including engaging minority students and high school teachers in research and holding workshops with academics, educators, and forest managers. The goals of the proposed work are to develop a mechanistic understanding of the interactive effects of forest fragmentation and climate on forest carbon sequestration and the role these interactions play in modulating carbon balance across human-dominated landscapes. These goals will be accomplished by establishing a new experiment to manipulate precipitation regimes (i.e., ambient precipitation, high precipitation, and drought) in both edge-influenced and interior temperate broadleaf forests. This experiment will also leverage naturally occurring variations in air temperature across time to explore the roles of forest fragmentation and water availability in forest carbon sequestration response to excessive heat. Data generated from this experiment will be used to modify an existing Earth system model (the Energy Exascale Earth System Model) to improve depictions of forest carbon cycling across human-landscapes and in response to climate change.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.

该奖项是根据2021年《美国救援计划法》的全部或部分资助（公共法117-2）。森林比陆地生态系统消除了更多的碳氛围，因此在降低气候变化速度方面起着至关重要的作用森林也是世界上最零散的森林生物群落。在剩下的森林中，压力会影响树木的生长和森林碳纤维，这是森林生态系统，远离森林边缘。对森林森林的相互作用对树木生长和森林碳的相互作用进行建模，旨在改变我如何看待温带的未来，以隔离碳在面临着d的世界中。策略。这是对环境生物学和利益相关者之间的加入，旨在加入环境生物学，使少数群体学生和高中教师与学者，教育家和森林管理者进行讲习班。森林和气候对森林碳的互动效果以及在跨人类主导的景观中调节car的固定性。 . This is a Leverage Nature Occuring Variements in Temper. ATURE ACROSS TIME TO EXPLORE The RoleS of Foragment Water Availability in ForeSt Carbon Response to ExceptionsSive Heat. WILL BE USED TO MODISTH SYSTH SYSTEM MODEL an- Landscapes and in Response to Climate CHANGE CHANGE. G基金会的智力优点和更广泛的影响审查标准。