Increasing nitrogen limitation in the Bothnian Sea, potentially caused by inflow of phosphate-rich water from the Baltic Proper Carl RolffTina Elfwing Report Open access 20 May 2015 Pages: 601 - 611
Screening risk areas for sediment and phosphorus losses to improve placement of mitigation measures Ana VillaFaruk DjodjicKatarina Kyllmar Report 27 June 2015 Pages: 612 - 623
Hydroclimatic changes and drivers in the Sava River Catchment and comparison with Swedish catchments Lea LeviFernando JaramilloGeorgia Destouni Report Open access 10 March 2015 Pages: 624 - 634
Evaluating anthropogenic N inputs to diverse lake basins: A case study of three Chinese lakes Wei GaoDennis P. SwaneyHuaicheng Guo Report 20 February 2015 Pages: 635 - 646
Practices, perceptions, and implications of fertilizer use in East-Central China Xiaoying YangShubo Fang Report 20 February 2015 Pages: 647 - 652
Nighttime lights and population changes in Europe 1992–2012 Maria Francisca Archila BustosOla HallMagnus Andersson Report 14 March 2015 Pages: 653 - 665
Historical and contemporary cultural ecosystem service values in the rapidly urbanizing city state of Singapore Jharyathri ThiagarajahShermaine K. M. WongDaniel A. Friess Report 08 April 2015 Pages: 666 - 677
Isolated Ficus trees deliver dual conservation and development benefits in a rural landscape H. Eden W. Cottee-JonesOmesh BajpaiRobert J. Whittaker Report 21 March 2015 Pages: 678 - 684
LivestockPlus: Forages, sustainable intensification, and food security in the tropics Thomas K. RudelBirthe PaulMichael Peters Perspective 28 June 2015 Pages: 685 - 693
The New Zealand experience of varroa invasion highlights research opportunities for Australia Jay M. IwasakiBarbara I. P. BarrattKatharine J. M. Dickinson Perspective 02 July 2015 Pages: 694 - 704