[{"gicategorycode":"林业 ","giinfoid":"324815","giindentifier":"dyx023-/2024-1118006","giuuid":"82EB26831C6E4CDDA3450322CC96987C","gititle":"森林调节空气的作用有多少?","subcatcode":"政策问答","gitcatcode":"其他 ","giccatcode":"","gipubcodes":"大姚县林草局","gidate":"2024-11-18 16:55:22","gidocno":"","gisubterm":"","gipubcode":"xlcj","summary":"在干燥的季节里，每平方米面积的树叶，每天能向天空散放出大约6公斤的水分;100公顷的阔叶林，一年能蒸腾出35—40吨的水。有林地比无林地的雨量多20%;森林里的湿度比城市高38%;公园的湿度比城市中其他地方高27%。"},{"gicategorycode":"林业 ","giinfoid":"324813","giindentifier":"dyx023-/2024-1118005","giuuid":"6202C9D4FDB5401296002167BA0C4429","gititle":"森林的蓄水量有多大?","subcatcode":"政策问答","gitcatcode":"其他 ","giccatcode":"","gipubcodes":"大姚县林草局、","gidate":"2024-11-18 16:53:21","gidocno":"","gisubterm":"","gipubcode":"xlcj","summary":"每公顷林地最少能多蓄水300立方米，340公顷森林所含的水量相当于1座100万立方米的小型水库。"},{"gicategorycode":"林业 ","giinfoid":"324797","giindentifier":"dyx023-/2024-1118004","giuuid":"76A84513A12B48F0AE0078F86960C112","gititle":"城市中的林木消除噪音是多大?","subcatcode":"政策问答","gitcatcode":"其他 ","giccatcode":"","gipubcodes":"大姚县林草局、","gidate":"2024-11-18 16:51:25","gidocno":"","gisubterm":"","gipubcode":"xlcj","summary":" 据测定，70分贝噪音，通过40米宽的林带能降低10—15分贝;4米宽的绿篱可减弱噪音6分贝;公园中成片的树木可降低噪音26—43分贝;绿化的街道比未绿化街道可降低噪音8—10分贝。"},{"gicategorycode":"林业 ","giinfoid":"324739","giindentifier":"dyx023-/2024-1118003","giuuid":"3E1D74D6CB7A4951B5B35D7C231A260D","gititle":"抗空气污染的树木有哪些?","subcatcode":"政策问答","gitcatcode":"其他 ","giccatcode":"","gipubcodes":"大姚县林草局、","gidate":"2024-11-18 16:50:07","gidocno":"","gisubterm":"","gipubcode":"xlcj","summary":"樟树枝叶有樟脑味，能分泌挥发性抑菌物质，对二氧化硫、氯气等有害气体有较强的抗性和吸收能力。侧柏枝叶能分泌一种杀菌素，可杀死肺结核、痢疾等病菌，对二氧化硫、氯气、氟化氰等有较强抗性。刺槐对空气中的二氧化硫、氯气、氯化氢等有害气体有较强的净化作用，并有较强的吸收铅蒸气的能力。柏木枝叶有芳香味，能分泌挥发性抑菌物质和杀菌素，杀死和抑制空气中的病菌，还能吸收大气中的二氧化硫和氯气等有害气体。榆树枝叶表..."},{"gicategorycode":"林业 ","giinfoid":"324727","giindentifier":"dyx023-/2024-1118002","giuuid":"AB48031A4F074BDFAAA01BC1B07C1BCB","gititle":"一棵树的生态价值有哪些?","subcatcode":"政策问答","gitcatcode":"其他 ","giccatcode":"","gipubcodes":"大姚县林草局、","gidate":"2024-11-18 16:48:45","gidocno":"","gisubterm":"","gipubcode":"xlcj","summary":"树木可以调节温度，在炎热的夏季，树冠能够截留太阳辐射而显着地降低大气温度，冬天叶的脱落导致增加太阳辐射，反而令人感到温暖。树木可增加空气湿度，一株成年树，一天可蒸发400公斤水，因此树冠下面的空气湿度明显增加。树木能吸收烟尘、滞留粉尘，每公顷20年生家榆每年可滞尘10吨。树木能杀菌防病，每公顷阔叶林一昼夜能产生植物杀菌素2公斤，针叶林产生5公斤以上，其中桧柏林可达30公斤。树木可以吸收有害气体，每公顷胡桃..."},{"gicategorycode":"","giinfoid":"324171","giindentifier":"dyx022-/2024-1113009","giuuid":"280ADCC836344903915B02491424C774","gititle":"食品摊贩从事经营活动，应当向所在地县级人民政府食品药品监督管理部门派出机构备案，应提交那些材料？","subcatcode":"政策问答","gitcatcode":"","giccatcode":"","gipubcodes":"大姚县市场监管局、","gidate":"2024-11-13 09:30:40","gidocno":"","gisubterm":"","gipubcode":"xscjgj","summary":""}]