; and (2) by inserting after paragraph (2) the following: (3) the establishment of coordinated long-term data monitoring and methods throughout the System for tracking and modeling the impacts of climate change on estuarine systems, including impacts on lake levels and sea levels; . (d) Program elements Section 315 of the Coastal Zone Management Act of 1972 ( 16 U.S.C. 1461 ) is amended by adding at the end the following: (h) Systemwide Elements of the National Estuarine Research Reserve System The Secretary shall coordinate systemwide programs and activities in the System including— (1) the centralized management and dissemination of data from System observation and monitoring networks; (2) a grant program employing the collaborative research model on coastal research and management priorities to be conducted at research reserve sites focused on the priorities determined by the Secretary; (3) using National Estuarine Research Reserves as living laboratories and as preferred placements for fellowship and research positions for the National Oceanic and Atmospheric Administration; and (4) establishing the Margaret A. Davidson Graduate Research Fellowship Program to address key coastal management questions and the coastal research and management priorities of the System and its place-based sites to help scientists and communities understand the coastal challenges that may influence future policy and management strategies. (i) Place-Based Program Elements of the National Estuarine Research Reserve System Each National Estuarine Research Reserve shall establish and maintain place-based program elements that include— (1) a research, monitoring, and observation network that detects environmental change and informs suitable adaptation and mitigation strategies to coastal hazards; (2) identifying and monitoring sentinel sites that provide an opportunity to develop and test techniques for adapting to and mitigating the harmful effects of climate change