前言根据《中华人民共和国水土保持法》、《中华人民共和国水土保持法实施条例》、《北京市水土保持条例》、水利部《水土保持生态环境监测网络管理办法》、《水土保持监测技术规程》和《北京市人民政府关于划分水土流失重点防治区的通知》规定,我们发布2015年房山区水土保持公报,反映水土流失情况以及水土保持综合防治效益,记载重要水土保持事件,为房山区生态环境建设提供科学依据,促进房山区水土资源的可持续利用、生态环境的可持续维护和经济社会的可持续发展。目录概述..............................................................1一、水土流失监测..............................................21.土壤侵蚀情况..............................................22.降雨情况......................................................63.水土流失量及污染物流失量观测..............84.山区水土流失及污染物流失....................105.山洪灾害调查............................................11二、生产建设项目水土保持............................111.生产建设项目水土保持方案审批............112.生产建设项目水土保持监测情况............143.生产建设项目水土保持监督检查............174.生产建设项目水土保持设施验收............21三、生态清洁小流域建设................................24四、水土保持效益............................................261.生产建设项目水土流失防治效益............262.水土流失治理效益....................................27五、重要水土保持事件....................................28主办单位:北京市房山区水务局主编单位:北京市房山区水土保持监督管理站审定:陈硕林审核:王勇审查:于占成编委:于占成王平编写:王翔宇王玉王晓英曹生群王笠邢国恩梁明站地址:北京市房山区长阳镇篱笆房地铁西侧邮政编码:102442电话:(010)80365950传真:(010)80365950电子邮箱:fsnongshuike@126.com发布时间:2016年6月1综述房山区水土保持公报数据主要来源于蒲洼坡地径流场14个坡地径流小区、3个小流域沟道控制站的观测资料、全区22个降雨观测站的降雨资料、全区土壤侵蚀调查、现场实地调查和统计报表数据。土壤侵蚀数据采用北京市水务普查成果(2011年),轻度以上土壤侵蚀面积为635.07平方公里。山区坡地汛期共产生地表径流7000万立方米,流失土壤70.97万吨,流失总磷11.7吨,流失总氮220.71吨,流失CODMn481.03吨。全区未发生山洪泥石流灾害。2015年批复生产建设项目水土保持方案共52个,17个生产建设项目的水土保持设施通过验收。按照构筑“生态修复、生态治理、生态保护”三道防线的思路,建设生态清洁小流域1条,治理面积8平方公里。山区各项坡地水土保持措施共蓄水396.53万立方米,减少土壤流失14.95万吨,减少总磷流失1.03吨,减少总氮流失13.64吨,减少CODMn流失35.43吨。2一、水土流失监测1.土壤侵蚀情况根据北京市水务普查成果(2011年),房山区土壤侵蚀类型主要为水力侵蚀,轻度以上土壤侵蚀面积为635.07平方公里,其中轻度侵蚀187.49平方公里、中度侵蚀313.65平方公里、强烈侵蚀111.61平方公里、极强烈侵蚀20.90平方公里、剧烈侵蚀1.42平方公里。图1-1房山区土壤侵蚀分布图3全区共划分132条小流域,其中山区86条、平原46条。表1-1小流域土壤侵蚀情况序号小流域名称乡镇备注小流域面积km2土壤侵蚀面积km2轻度km2中度km2强烈km2极强烈km2剧烈km21森水蒲洼山区9.072.92.900002芦子水蒲洼山区27.0812.912.870.030003富合蒲洼山区9.674.930.754.170004东村蒲洼山区14.575.794.281.510005蒲洼沟蒲洼山区16.114.293.520.770006议合蒲洼山区17.167.751.566.190007五合十渡山区29.5218.291.146.097.543.5208六合十渡山区14.7410.597.412.450.72009万景仙沟十渡山区10.569.8500.639.210010平峪十渡山区9.026.860.056.790.020011西太平十渡山区25.5116.56.4410.0600012卧龙十渡山区10.015.8204.990.710.12013石门十渡山区33.6422.69017.864.830014孤山寨十渡山区15.9410.5200.916.632.99015天花板十渡山区15.6410.554.815.7400016千河口北沟十渡山区18.8615.7908.57.120.17017马安十渡山区15.648.5800.528.060018三合庄张坊山区21.2610.682.917.7700019黑牛水张坊山区13.766.970.084.552.330020东关上张坊山区17.6110.390.069.580.750021穆家口张坊山区15.0611.210.086.994.10.04022下寺张坊山区14.393.643.270.3800023大峪沟张坊山区-平原22.150.230.23000024广禄庄张坊山区-平原21.4300000025云居寺大石窝山区16.9700000026三岔大石窝山区11.490.010.01000027高庄大石窝山区-平原37.0800000028三座庵长沟山区-平原24.750.170.17000029鱼骨寺霞云岭山区6.454.234.140.0900030笛子港霞云岭山区14.1210.458.332.1100031四合村霞云岭山区8.314.2203.30.920032大港霞云岭山区11.522.120.042.020.050033大草岭霞云岭山区25.47.681.343.732.61004序号小流域名称乡镇备注小流域面积km2土壤侵蚀面积km2轻度km2中度km2强烈km2极强烈km2剧烈km234柳树沟霞云岭山区9.716.786.750.0200035刺港霞云岭山区10.516.073.132.9500036峪子沟霞云岭山区3522.6417.395.040.210037四马台霞云岭山区21.492.970.472.500038堂上霞云岭山区23.926.663.912.7500039何家台霞云岭山区9.54.184.18000040上石堡霞云岭山区8.364.462.052.4100041南沟霞云岭山区18.869.210.428.490.310042下石堡霞云岭山区11.453.512.11.4100043教军场佛子庄山区8.062.850.462.170.210044北峪佛子庄山区11.594.812.712.080.020045英水沟佛子庄山区27.1521.253.6817.420.160046贾峪口佛子庄山区17.684.070.423.6500047陈家坟佛子庄山区42.9539.279.5529.580.140048北窖佛子庄山区15.388.725.453.2800049石板房佛子庄山区15.40.920.010.660.260050秋林铺史家营山区24.416.612.862.910.840051金鸡台史家营山区25.236.020.650.934.450052鸳鸯水史家营山区9.021.761.060.700053柳林水史家营山区17.044.250.793.4600054莲花庵史家营山区26.677.831.6951.130055杨林水史家营山区10.256.941.65.3400056西苑大安山山区21.536.4900.146.350057瞧煤涧大安山山区15.162.4100.172.240058中山大安山山区10.631.170.050.50.620059万顷园大安山山区13.480.2900.030.260060水峪南窖山区21.455.35.270.0200061北安南窖山区5.092.532.53000062大西沟南窖山区8.120.90.840.0600063北港沟河北山区16.9314.970.235.788.930.02064石花洞河北山区17.0810.824.3260.460.04065口儿村河北山区10.426.871.425.430.020066三十亩地河北山区10.1610.090.062.597.450067将军坨河北山区15.312.711.233.043.124.430.968良各庄周口店山区23.038.122.615.500069长沟峪周口店山区12.097.444.273.170005序号小流域名称乡镇备注小流域面积km2土壤侵蚀面积km2轻度km2中度km2强烈km2极强烈km2剧烈km270宝金山周口店山区13.6110.2706.993.270071泗马沟周口店山区14.998.944.384.480.070072黄院周口店山区-平原12.876.110.845.2800073周口周口店山区-平原21.341.890.741.1500074红螺谷周口店山区-平原23.8212.563.529.0400075牛口峪城关山区-平原7.660.290.020.2700076肖庄城关山区-平原9.40.220.22000077北台子燕山山区-平原14.416.960.656.3100078东流水燕山山区-平原10.384.520.054.4700079燕山燕山山区-平原15.660.140.010.1300080北车营青龙湖山区-平原22.4812.072.12.690.166.680.4481南观青龙湖山区-平原16.967.190.476.70.010082青龙湖青龙湖山区-平原22.521.280.6900.520.08083辛开口青龙湖山区-平原24.9111.273.641.24.082.36084晓幼营青龙湖山区7.45.120.393.530.670.450.0885上方山韩村河山区-平原65.3826.088.517.5510.020086东周各庄韩村河山区-平原23.81.310.540.7700087曹章村韩村河平原10.7800000088西东村韩村河平原6.5500000089西坟韩村河平原8.730.0100.0100090白庄琉璃河平原5.5600000091中干沟琉璃河平原12.4500000092平各庄琉璃河平原7.8200000093刘平庄沟琉璃河平原10.8600000094官庄琉璃河平原12.0300000095窑上村琉璃河平原13.2700000096东南召琉璃河平原8.0800000097庄头村琉璃河平原6.600000098立教村琉璃河平原5.8800000099刘李店村琉璃河平原5.66000000100芦村窦店平原6.55000000101窦店沟窦店平原11.38000000102瓦窑头窦店平原11.4000000103兴隆庄沟窦店平原23.94000000104后街村窦店平原11.19000000105刘平庄窦店平原10.960000006序号小流域名称乡镇备注小流域面积km2土壤侵蚀面积km2轻度km2中度km2强烈km2极强烈km2剧烈km2106前柳村窦店