Building bridges between natural and social science disciplines: a standardized methodology to combine data on ecosystem quality trends by Richter, I., Roberts, B. R., Sailley, S. F., Sullivan, E., Cheung, V. V., Eales, J., Fortnam, M., Jontila, J. B., Maharja, C., Nguyen, T. Ha., Pahl, S., Praptiwi, R. A., Sugardjito, J., Sumeldan, J. D. C., Syazwan, W. M., Then, A. Y., Austen, M. C.