TY - BOOK ED - Bioresearches Ltd. ED - Rotorua District (N.Z). TI - Lake Rotoehu lake nutrient input report AV - GB 1780 ROT 1991 PY - 1991/// CY - Rotorua, N.Z. : PB - Rotorua District Council, KW - LAKE ROTOEHU KW - NUTRIENTS KW - WATER QUALITY KW - ROTORUA LAKES KW - POLICIES KW - EUTROPHICATION N1 - "June 1991."; 1. Introduction -- 2. Lake Rotoehu -- 2.1 Introduction -- 2. Lake catchment & uses -- 2.3 Nutrient inputs -- 2.4 Contamination -- 2.5 Lake water quality -- 2.6 Discussion -- 3. Impacts of nutrient inputs -- 3.1 Introduction -- 3.2 Base levels of nutrient inputs -- 3.3 Existing -- 3.3.1 Pasture -- 3.3.2 Springs -- 3.4 Potential -- 3.4.1 Sediment -- 3.4.2 Developments -- 3.4.3 Summary -- 3.5 Potential to reduce impact -- 3.5.1 Introduction -- 3.5.2 Riparian strips -- 3.5.3 Discussion -- 4. Policies and recommendations -- 4.1 Introduction -- 4.2 Existin policies -- 4.3 Additional policies -- 4.3.1 Lake water quality -- 4.3.2 Land use practices -- 4.3.3 Rotorua Lakes -- 5. References -- 6. Appendices -- Appendix I Lake Rotoehu - nutrient inputs -- Appendix II Lake Rotoehu nutrient inputs - relative proportions -- Appendix III Nutrient yields -- Appendix IV Lake Rotoehu - water quality data -- Appendix V Lake Rotoehu - base levels of nutrient input --Appendix VI(a) Lake Rotoehu - nutrient inputs (tonnes per year) -- Appendix VI(b) Lake Rotoehu - water quality estimates -- Appendix VII Lake Rotoehu - rural development ER -