المؤلفون: Vander Laan, Jacob J., Hawkins, Charles P., Olson, John R., Hill, Ryan A.

المصدر: Freshwater Science, 2013 Sep . 32(3), 801-820.

الوصول الحر: https://www.jstor.org/stable/10.1899/12-186.1Test

المؤلفون: Hill, Ryan A., Hawkins, Charles P., Carlisle, Daren M.

المصدر: Freshwater Science, 2013 Mar . 32(1), 39-55.

الوصول الحر: https://www.jstor.org/stable/10.1899/12-009.1Test

المؤلفون: Hill, Ryan A., Weber, Marc H., Debbout, Rick M., Leibowitz, Scott G., Olsen, Anthony R.

المصدر: Freshwater Science, 2018 Jun 01. 37(2), 208-221.

الوصول الحر: https://www.jstor.org/stable/26540777Test

المؤلفون: Hawkins, Charles P., Olson, John R., Hill, Ryan A.

المصدر: Journal of the North American Benthological Society, 2010 Mar . 29(1), 312-343.

الوصول الحر: https://www.jstor.org/stable/10.1899/09-092.1Test

المؤلفون: Mengistu, Samson G., Golden, Heather E., Lane, Charles R., Christensen, Jay R., Wine, Michael L., D'Amico, Ellen, Prues, Amy, Leibowitz, Scott G., Compton, Jana E., Weber, Marc H., Hill, Ryan A.

المصدر: Journal of the American Water Resources Association; Oct2023, Vol. 59 Issue 5, p1162-1179, 18p

مصطلحات موضوعية: WETLANDS, WATERSHEDS, PHOSPHORUS in water, ALGAL blooms, PHOSPHORUS, NITROGEN, WATER quality

مصطلحات جغرافية: UNITED States

المؤلفون: Lane, Charles R., Creed, Irena F., Golden, Heather E., Leibowitz, Scott G., Mushet, David M., Rains, Mark C., Wu, Qiusheng, D'Amico, Ellen, Alexander, Laurie C., Ali, Genevieve A., Basu, Nandita B., Bennett, Micah G., Christensen, Jay R., Cohen, Matthew J., Covino, Tim P., DeVries, Ben, Hill, Ryan A., Jencso, Kelsey, Lang, Megan W., McLaughlin, Daniel L.

المصدر: Ecosystems; Jan2023, Vol. 26 Issue 1, p1-28, 28p

مصطلحات موضوعية: WATERSHED management, CONSERVATION & restoration, EPHEMERAL streams, WATERSHEDS, WETLANDS

المؤلفون: Riato, Luisa, Leibowitz, Scott G., Weber, Marc H., Hill, Ryan A.

المصدر: Ecosphere; Jan2023, Vol. 14 Issue 1, p1-22, 22p

مصطلحات موضوعية: STREAM restoration, RIVER conservation, WATERSHEDS, LANDSCAPES, ENVIRONMENTAL protection, LAND cover

مصطلحات جغرافية: WASHINGTON (State)

المؤلفون: Beck, Marcus W., Mazor, Raphael D., Johnson, Scott, Wisenbaker, Karin, Westfall, Joshua, Ode, Peter R., Hill, Ryan, Loflen, Chad, Sutula, Martha, Stein, Eric D.

المصدر: Freshwater Science; Dec2019, Vol. 38 Issue 4, p883-898, 16p

مصطلحات موضوعية: INTEGRITY, GEOSPATIAL data, RIVERS, CITIES & towns, WATERSHED management, WATERSHEDS, AGRICULTURAL landscape management, PREDICTION models

مصطلحات جغرافية: CALIFORNIA, CENTRAL Valley (Calif. : Valley)

المؤلفون: Chen, Kai, Olson, John R., Vander Laan, Jacob J., Hill, Ryan A., Wang, Beixin, Hawkins, Charles P.

المصدر: Hydrobiologia; Jul2019, Vol. 837 Issue 1, p177-194, 18p, 1 Illustration, 4 Charts, 3 Graphs

مصطلحات موضوعية: ECOLOGICAL assessment, WATERSHEDS

مصطلحات جغرافية: CHINA

المؤلفون: Hill, Ryan A. hill.ryan@epa.gov, Weber, Marc H., Leibowitz, Scott G., Olsen, Anthony R., Thornbrugh, Darren J.

المصدر: Journal of the American Water Resources Association. Feb2016, Vol. 52 Issue 1, p120-128. 9p.

مصطلحات موضوعية: *WATERSHEDS, *RIVER ecology models, *HYDROGRAPHY, *HYDROLOGICAL research, *HYDROLOGIC models