In recent years, the governance and sustainability of scientific instrument-sharing systems have emerged as crucial subjects in the scientific infrastructure landscape. A groundbreaking study has now leveraged ecological network analysis (ENA) to evaluate the complex dynamics underpinning the sharing of scientific instruments within China’s extensive research environment. Focusing on the regional alliances of the Chinese Academy of Sciences (CAS) from 2013 to 2022, this innovative research has yielded insights that challenge traditional assumptions about resource utilization, efficiency, and systemic coordination in large-scale scientific collaborations.
What distinguishes this study is its application of ENA—a method traditionally rooted in ecological studies of natural systems—to the human-made networks of scientific equipment sharing. ENA treats instrument use-time as a flow network, allowing researchers to capture not only the volume of resource usage but also the qualitative dynamics of network structure and information flow. This nuanced approach revealed that an increase in use-time, or sharing volume, does not necessarily translate to higher ecological efficiency or system order, a measure denoted by the parameter α. Instead, the system exhibited nonlinear and sometimes paradoxical relationships between these metrics, signifying underlying coordination inefficiencies not apparent in aggregate data.
The research also undertakes a dynamic modeling of instrument use-time, reconceptualizing it as a systemic flow akin to energy or nutrient movement in ecological networks. Network expansion was found to generally increase the total system throughput (TST), indicating greater overall activity. However, improvements in resilience and internal coherence, quantified by average mutual information (AMI), lagged behind network growth. This lag underscores a critical challenge in system design: scaling up operations does not inherently equate to enhanced systemic robustness or integration, and without strategic reforms, greater scale may exacerbate coordination problems.
Crucially, the study identifies an “efficiency window” wherein platform operations balance efficiency and flexibility optimally. Outside this window, the governance of instrument-sharing either risks becoming rigid and brittle or suffers from inefficiency and resource underutilization. The introduction of robustness curves derived from ENA enabled the researchers to pinpoint this operational sweet spot—a novel finding with profound implications for managing large scientific infrastructures. It suggests that more use is not always better and that sustainable operation demands careful attention to maintaining systemic harmony.
Examining the temporal evolution of the CAS regional alliances, the findings expose a growing system ascendency, signaling increased overall order and complexity. Yet, paradoxically, the degree of order (α) and average mutual information (AMI) diverged, reflecting inconsistent performance improvements in system coordination and resilience. This divergence is telling: the amplification in use-time achieved by CAS over the last decade owes more to scaling of instrument availability than to advancements in the coordinated use or management strategies, revealing a pitfall where expansion does not guarantee optimization.
These patterns illuminate an important distinction between maximizing output and pursuing sustainable system optimization—two goals that often conflict in managing shared scientific resources. The former focuses on quantitative milestones such as increased instrument utilization, while the latter prioritizes qualitative dimensions like coordination efficiency, resilience, and equitable access. The study argues persuasively for a paradigm shift away from traditional static metrics—usually simple aggregates of use-time—towards more dynamic and systemic indicators that better capture trade-offs and latent inefficiencies.
From these insights, the authors propose strategic priorities intended to revamp governance of scientific instrument-sharing systems. First, they advocate the adoption of dynamic evaluation frameworks incorporating ecological indicators such as ascendency, redundancy, and degree of order (α). This methodological innovation promises real-time diagnostics that can reveal inefficiencies invisible to average use-time statistics and help steer systems towards sustainable performance trajectories.
Second, demand-side governance requires substantial strengthening. The study critiques existing quota-driven mandates as inadequate for responsive resource allocation and calls for more sophisticated, network-integrated governance that aligns user needs, technical capacities, and human capital deployment. This would necessitate inter-unit collaborations, staffing optimizations, and integration of service workflows with broader scientific agendas—measures that could transform instrument-sharing networks from rigid facilities into adaptable ecosystems.
Third, the imperative to enable adaptive and inclusive sharing frameworks stands central to preventing monopolization and misallocation. Institutional arrangements must proactively anticipate and mitigate risks of access inequality and concentration of instrument use within limited user groups. Policy interventions such as differentiated incentives, anti-monopoly regulations, and dynamic scheduling are highlighted as vital tools to ensure equitable distribution while preserving system-wide efficiency.
The Chinese context adds layers of complexity and urgency to these recommendations. With centralized resource governance intersecting pronounced regional disparities and ambitious innovation policies, China’s scientific infrastructure presents both unique challenges and opportunities. Yet, the study’s methodological framework, particularly the use of ENA in performance evaluation, offers transferable insights for emerging economies worldwide—providing a versatile lens to navigate the intricacies of infrastructure sustainability amid rapid development.
Fundamentally, this research extends ecological efficiency principles—long applied to natural ecosystems—into scientific resource governance, illuminating scientific instruments not merely as expensive technical assets but as catalytic platforms for knowledge production and public innovation. The authors demonstrate this through the illustrative case of the Lanzhou (LZ) Heavy Ion Irradiation Laboratory, where strategic specialization has fostered vibrant regional scientific ecosystems, showcasing how instrument-sharing networks can stimulate broader collaborative innovation.
To scale such successes, the study underscores the need to develop interdisciplinary sharing platforms, transparent data governance, and sustained public-private collaboration. Embedding ecological perspectives into performance evaluation reframes the role of instruments, encouraging stakeholders to perceive them as dynamic nodes within complex social-technical systems rather than static resources. This philosophical and operational shift holds promise to reshape scientific infrastructure management globally.
In moving from static metrics to ecology-informed, flow-based, and fairness-oriented systems, instrument-sharing becomes more than resource redistribution. It evolves into an engine for inclusive and efficient scientific development—a transition with profound social and economic ramifications. This ecological mindset redefines efficiency not as mere volume but as systemic health and sustainability, topics that resonate deeply with contemporary priorities around equity, innovation, and resilience in science.
The study’s interdisciplinary innovation also bridges gaps between ecological theory, network science, and science policy. By importing concepts like ascendency, redundancy, and average mutual information into infrastructure evaluation, it advances a holistic systems view that may inspire new governance models for complex technical networks beyond scientific instruments, including digital infrastructure, energy grids, and urban systems.
Perhaps most importantly, the research exemplifies how rigorous quantitative tools can unearth hidden systemic dynamics crucial to realizing ambitious national innovation goals. As global science invests more in shared infrastructures, this work equips policymakers and administrators with conceptual frameworks and practical metrics to govern these systems sustainably amid evolving technological, social, and political contexts.
In summary, this pioneering analysis of China’s open instrument sharing via ecological network analysis signals a transformative moment for scientific infrastructure management. It reveals the latent complexities underlying resource sharing, challenges conventional wisdom on usage optimization, and charts strategic pathways toward systems that are not only efficient but equitable and resilient. By aligning ecological efficiency with human innovation priorities, the study paves the way for scientific instrument-sharing networks to become sustainable pillars supporting a dynamic global knowledge economy.
Subject of Research: Governance, sustainability, and efficiency of scientific instrument-sharing systems in China’s research institutions.
Article Title: Measuring China’s Open Sharing for Scientific Instruments: An Ascendency Analysis with Benchmark Use-Time Data.
Article References:
Wang, X., Qu, S. Measuring China’s Open Sharing for scientific instruments: an ascendency analysis with benchmark use-time data. Humanit Soc Sci Commun 12, 1501 (2025). https://doi.org/10.1057/s41599-025-05767-y
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