; (2) the establishment and maintenance of multiple sites or research centers that capture the diversity of agricultural production systems that function as a network; and (3) the coordination of large-scale data collection related to the sustainability of agricultural systems and the provision of infrastructure to research sites to allow for analyzing and disseminating such data. (c) Coordination of research The Secretary, shall, in carrying out subsection (a)— (1) coordinate long-term agroecological research to improve understanding within the Department of Agriculture of how agroecosystems function at the field, regional, and national scales; (2) designate research sites for inclusion in the Network that are representative of major agricultural regions; (3) ensure that every research site so included conducts experiments with common goals and methods— (A) to increase agricultural productivity and profitability; (B) to enhance agricultural resilience and the capacity to mitigate and adapt to climate change; (C) boost the provision of ecosystem services from agricultural landscapes; and (D) improve opportunities for rural communities; (4) make data collected at research sites included in the Network open to researchers and the public whenever practicable, and integrate data across the network and partner sites