Spatial network characteristics and drivers of carbon emission reduction capability in urban agglomerations:A case study of Shandong Province

Synergistic carbon emission reduction at the urban scale is an inherent requirement for China to realize its carbon emission reduction commitments and promote sustainable and regional synergistic development.Using 16 prefectural cities in Shandong Province as an example,this study defines and quantifies the regional carbon emission reduction capacity(CERC)based on the synergistic development of carbon emission reduction,environmental protection,and economic growth objectives.The spatial network characteristics of the(CERC)and its drivers were analyzed using social network analysis and quadratic assignment procedure regression methods.The results revealed that the spatial correlation of the CERC among prefectural cities has been increasing over the years.Jinan−Zibo−Qingdao is the center of the network,while the spatial linkage strength in the southwest and northeast of Shandong Province is weak.Geospatial distance and scientific development differences have a significant negative effect on the intensity of spatial association,while differences in economic and informatization developments have a considerable positive impact.Environmental regulatory differences and transportation differences are not significant.This study offers a methodological reference for similar studies in other countries or regions.At the same time,the findings provide a scientific basis for the government to rationally allocate urban resources and promote regional synergistic carbon emission reduction.

Study of Organochlorine Pesticides in Eco-geochemical Survey of Soil in Shandong Province

Based on a comprehensive eco-geochemical survey of Shandong Province, the differences in pesticide residue situation and contents of DDTs and HCHs in the soils of Yantai City and Southwest Shandong Province(abbreviated as SSP) were studied in this paper. The results showed that the detection rates of DDTs and HCHs in the soil of SSP were apparently higher than Yantai City. However, the mean contents of DDTs and HCHs in the soil of Yantai were 9 and 25 times of SSP, respectively, and higher than the mean contents of many other cities and areas. p,p′-DDE was the main pesticide residual form in the soil of SSP. It is recognized as the degradation product of DDTs in oxidation environment in past, nevertheless, 5.52% of the soils in Yantai City still have a little of DDT input recently, which has posed a big impact on soil environment quality. β-HCH was the main form of the four isomers of HCHs in Yantai City, and α-HCH/γ-HCH in SSP was low. These reveal that the residual time of HCHs in the soils of both the two areas has a long period. After primary analysis, the risk of DDTs and HCHs in the soil of SSP is low, but DDTs in the soil of Yantai City still has a certain risk.

Green transformation mechanisms and implementation path for agricultural clusters:A case study of the vegetable cluster in Shouguang city,Shandong province,China

Promoting the green transformation of agricultural clusters represents an effective strategy to address pressing issues related to agricultural resources and environmental concerns.However,existing literature provides limited insights into the internal mechanisms and pathways for achieving green transformation of agricultural clusters.To address the challenges in international research on the collaborative green transformation of entire agricultural value chains,a theoretical analysis framework is constructed in this study,which is characterized by“point-line-plane three-layer embeddedness and four-force interaction,”positioning green innovation as a pivotal entry point.Through social network analysis,this study examines the processes and mechanisms underlying the collaborative green transformation of agricultural clusters and proposes viable pathways for implementation using the Shouguang vegetable industrial cluster as a case study.The research findings are as follows:(1)The green transformation of agricultural clusters includes the green transformation of cluster behavior actors(point),formation of a green innovation network(line),construction of a green environment(plane),and embedded integration and coordinated transformation of the three.Green innovations generated by leading enterprises,universities,and research institutions serve as the foundation for this transformation,whereas farmers'adoption of these innovations forms the basis,and government policies provide regulatory environment to ensure successful implementation.The transformation is realized through green collaborative innovation and governance,achieving the“three-layer embeddedness.”(2)Under the influence of four driving forces,namely,market-driven mechanisms,environmental regulations,green innovation,and multidimensional proximity,actors at various levels form and embed green innovation networks that are integrated into regional environments through institutional constraints.This results in a“five-in-one”system of collaborative green innovation and governance encompassing enterprises,industries,technologies,institutions,and spatial dimensions,which constitute the internal mechanisms for the green transformation and upgrading of agricultural clusters.(3)Building on the“three-layer and four-force”framework,this study proposes pathways for achieving the green transformation of agricultural clusters,thereby providing theoretical insights and policy recommendations for developing countries to foster green agricultural clusters and enhance their agricultural sectors'international competitiveness.

基于GIS和InVEST模型的日照市固碳能力研究

[目的]分析山东省日照市碳储量的时空变化,探讨日照市各土地利用类型的固碳能力,为生态系统服务评估提供决策支持。[方法]以日照市1995,2000,2005,2010和2015年5期土地利用信息和碳密度数据为基础,利用GIS和InVEST-Carbon Storage and Sequestration模块,获取碳储量时空分布数据,从而对日照市固碳能力进行准确的定量评估。[结果](1)1995—2015年,研究区内耕地、草地的面积均有所下降,而林地、水域、建设用地以及未利用地面积增加。(2)日照市总固碳量呈现增长趋势,1995—2015年依次为6.976×10~6,6.978×10~6,6.957×10~6,6.987×10~6,7.015×10~6 t。(3)耕地的碳储量最高,固碳能力最强。[结论]1995—2015年研究区内固碳总量净增3.90×10~4 t,固碳速率呈现小幅上升趋势,固碳能力逐步稳定。日照市东部沿海地区固碳能力相对较弱,应充分开发其固碳潜力。

Geographical Indication of Unique Production Technology of Bahu Lotus Root

Bahu lotus root is a specialty of Hedong District,Linyi City,Shandong Province.It was recognized as a national product of geographical indication in 2011.This article describes the specific production area,unique production environment,rich cultural history and unique quality of Bahu lotus root,and summarizes its unique production from four aspects:selection of origin,selection of variety,production management and timely harvest,aiming to maintain the brand of Bahu lotus root to the greatest extent and further enhance the brand value and influence.

山东省淄博市饮水型地方性氟中毒流行现状调查与分析

目的采用横断面调查的方法,对山东省淄博市饮水型地方性氟中毒流行现状进行调查与分析。方法于2021年6月至12月对淄博市辖区内7个区县(张店区、临淄区、周村区、博山区、桓台县、高青县、沂源县)原有的氟中毒病区村及疑似病区村进行逐一调查登记,对8~12岁1200名在校儿童进行氟斑牙患病率的调查分析,并对淄博市采取的114个改水降氟工程运行情况及运行后的水质状况进行监测与分析。结果地方性氟中毒在淄博市分布广泛,7个区县共3102个行政村中地方性氟中毒病区村459个,高氟危及人群达28万人。高青县是淄博市地方性氟中毒最为严重的地区,病区村占总数的75.2%;高青县中病区村数量占中病区村总数的92.2%,12个重病区均位于高青县。高青县也是8~12岁儿童氟斑牙的患病率最高的地区,20个村的88名儿童的氟斑牙检出率为100%,因受地理环境、气候及经济状况的影响,高青县345个病区村中仅有224个实施了改水降氟工程,占64.9%,是淄博市病区改水率最低的地区。结论淄博市地方性氟中毒总体处于低度流行趋势,但高青县地方性氟中毒防治形势仍然十分严峻,应加大防治经费的投入及改水降氟措施的落实力度,为早日控制地方性氟中毒的流行,保障人民群众免受地方性氟病的威胁做出努力。

山东莱州湾南岸晚上新世以来(6.8~0.004 Ma)古植被演替与海平面波动

【研究目的】海岸带沉积物中的微体古生物化石保存着丰富的地质环境信息,本文的目的是重建莱州湾南岸晚上新世以来的古植被演替与海平面波动关系。【研究方法】拟通过对HLL01钻孔的孢粉、淡水藻类、海相沟鞭藻、有孔虫内衬等微体古生物化石的分析,恢复和重建莱州湾南岸及其附近地区晚上新世以来的古植被演替与海平面波动。【研究结果】(1)在晚上新世—早更新世阶段(约6.8~1.6 Ma),大量的陆生草本花粉(75.13%)指示研究区的植物群落主要以藜科、蒿属及禾本科为主的草原植被,气候温暖偏干。(2)在早更新世—中更新世阶段(约1.6~0.6 Ma),研究区的植物群落开始由草原向森林草原类型过渡;急剧增加的淡水藻类,则指示研究区可能有大的河流注入,或形成较大规模的湖泊;降水量增加,气候变得湿润。(3)在中更新世—晚全新世阶段(约0.6~0.004Ma),研究区的植物群落已经变成森林草原植被。淡水藻类含量略有降低,指示研究区的河流注入量开始减少,湖泊面积也开始萎缩。同时,海相沟鞭藻和有孔虫内衬等海相化石记录,指示研究区在该阶段出现了较为明显的大规模海侵事件。【结论】莱州湾晚上新世以来发生了3次古植被演替与海平面波动事件。

山东栖霞笏山-西陡崖金矿地质特征及资源潜力分析

栖霞笏山西陡崖金矿位于蓬莱栖霞金成矿带南侧,是产于新太古代变质基底与中生代燕山期花岗岩接触带附近的破碎蚀变岩型金矿。本次研究在矿区外围开展了详细的野外地质调查,并对该矿床进行了详细研究,在Ⅰ号主矿体深部施工DKZK03钻孔,控制金矿体4层,累计真厚度6.85 m。其中,Ⅰ-1、Ⅰ-2号金矿体埋深分别为1273.80~1275.45 m、1072.95~1076.55 m,Ⅰ-1号金矿体为该区目前最深金矿体。采用趋势外推法对区内深部金矿体进行定位预测,为今后在栖霞地区金矿深部找矿勘查提供了依据,该地区金矿深部具有较大的找矿潜力。

基于时序参数分析的砂岩热储回灌特征变化研究——以山东临清市为例

为促进山东省临清市地热资源循环利用,开展了地热水回灌工程。针对采暖期前与采暖期两种情形的回灌情况,监测了开采井及回灌井的水量、水温、水位及井口压力等,并基于时序参数分析了回灌能力及最大回灌量、开采井温度场、水质变化和回灌堵塞程度。结果表明:本次施工的回灌井能够满足单井100%回灌,单井自然回灌量可达121~227 m^(3)/h;总体上开采井地热水温度表现为在供暖期上升、供暖末期下降的趋势;由于井位深度差别,在供暖期前后,开采井矿化度比回灌井分别高约45.34%和17.33%;经过一个供暖季的回灌,虽然在回扬过程中渗透系数有一定的改善,但仍由0.7699 m/s降至0.3254 m/s,有明显变小的趋势。

2000—2020年青岛市区域碳排放时空演变特征及影响因素

[目的]分析山东省青岛市区域碳排放时空演变及影响因素,为推动低碳发展和碳减排工作提供理论基础。[方法]基于青岛市2000—2020年的土地利用数据、夜间灯光数据、社会经济数据等,对青岛市土地利用碳排放进行核算,通过构建碳排放与夜间灯光值的拟合模型,揭示青岛市不同用地类型的碳排放空间分布差异和变化趋势,通过Tapio脱钩模型分析青岛市碳排放与经济发展之间的脱钩状态,并利用LMDI模型分析土地利用碳排放各影响因素的贡献程度。[结果](1)2000—2020年青岛市土地利用净碳排放量总体呈增长态势,从2000年1.31×10^(7)t增长到2020年3.65×10^(7)t,增长了近1.79倍。(2)青岛市碳排放总量整体呈现“中间高,四周低”的空间分布格局,工业能耗是建设用地最主要的碳排放来源,高碳排放区域主要集中在胶州湾区域。(3)青岛市经济发展和碳排放的关系经历了从“扩张连结—弱脱钩—强脱钩”状态的转变。(4)促进青岛市碳排放增长的因素为人口规模和经济效应,抑制青岛市碳排放增长的因素为能源结构和能源强度。[结论]未来需要进一步调整产业结构,加快发展低碳经济,通过创新技术、调整能源结构等措施,从源头上减少碳排放。

基于生态水文变异特征的济南南部山区河流生态需水研究

[目的]开展基于生态水文变异特征的山东省济南市南部山区河流生态需水研究,为区域水资源综合管理和生态保护,加强黄河流域生态保护,促进黄河流域可持续发展提供理论依据。[方法]收集1979—2021年黄河下游济南南部山区的崮山站(北大沙河)和卧虎山站(玉符河)的径流量数据,采用累积距平法,Mann-Kendall(M-K)检验法,滑动T检验法,双累积曲线法多种统计分析方法,分析径流突变点;结合IHA-RVA法,研究济南南部山区河流径流变异特征和生态需水;通过分析河流生态需水满足度,研究区域生态水文和生态需水变异的主要影响因素,提出济南南部山区生态需水的保障措施。[结果]北大沙河和玉符河的径流量突变点为1996年,整体水文改变度分别为72.75%和69.42%,均属高度改变;北大沙河和玉符河的年生态需水分别为1.47×10^(6),1.81×10^(6) m^(3)。总体上,北大沙河月生态需水满足度平均为32.35%,玉符河月生态需水满足度平均为60.42%。[结论]济南南部山区在突变前后水文变异较大,总体的生态需水满足度整体偏低,可从河流生态调度和提高水资源利用效率方面加强河流生态需水保障。

山东省日照市挪庄村崩塌地质灾害治理工程分析

日照市东港区后村镇挪庄村崩塌地质灾害点高差大、坡度陡,危害对象多,自1998—2021年多次发生局部崩塌,造成道路破坏及房屋受损,严重威胁着人民群众的生命财产安全。本文通过现场调查、地质测绘及工程勘察等技术手段,查清了崩塌体失稳机理的主要原因,分析了现状稳定性,通过采用圆弧滑动条分法计算,计算出边坡稳定性系数为0.761,边坡属不稳定状态。通过边坡修整、砌筑挡土墙及截(排)水沟、防护和绿化工程等工程治理措施后,对坡面稳定性进行了计算,治理后的边坡满足规范要求的稳定安全系数。地质灾害治理工程带来的经济效益、社会效益及环境效益凸显。

国土空间规划分级传导体系研究——以山东聊城市、县、乡、村多层次规划为例

建立国土空间规划分级传导体系是确保责权清晰、科学高效的国土空间规划体系的关键。本文在剖析原空间类规划层级传导优劣势的基础上,吸纳各类规划传导机制的优势,从纵向和横向两个维度上探索提出了“3个传导方向+4种传导方式+6类传导载体”的国土空间规划分级传导体系框架,结合聊城市多层次国土空间规划编制的实践验证,实现了“市—县—乡镇—村庄”四个层级国土空间规划“目标-指标类、空间类、支撑类”三类传导要素的传导落实和分级管控,为各层级国土空间规划编制和管理提供技术支撑。

山东莱芜侯家沟—西泉河地区岩溶塌陷成因浅析

莱芜侯家沟—西泉河地区断裂构造、裂隙岩溶水水文地质条件复杂。该文在系统分析侯家沟—西泉河地区水文地质条件、岩溶塌陷发生历史及规模的基础上,总结了区内岩溶塌陷成因。研究表明:区内岩溶塌陷主要发生在浅部岩溶发育的侯家沟和泉河地区,发生时间多为每年汛期雨中或雨后的一段时期内,主要是岩溶地下水的频繁大幅度波动(波动范围16~40 m)造成的浅部溶洞上覆厚度约4~15 m的黏质砂土、砂质黏土遭到破坏,进而产生塌陷。

山东省威海市刘公岛周边海域海底沉积物粒度特征及沉积动力环境研究

为系统分析刘公岛周边海域沉积物粒度特征及沉积动力环境,本次研究在充分收集以往资料的基础上,结合本次测试结果,对沉积物类型及粒度特征进行了总结。研究结果表明:区内沉积物类型主要有4种,分别为含砾泥((g)M)、砾质泥(gM)、砂质粉砂(sZ)、粉砂(Z),其中砂质粉砂与粉砂分布最广;区内平均粒径整体呈东南向西北递增的趋势,分选性整体为差,偏态属于正偏范畴,峰态以中等型为主;区内沉积物整体位于三角图的左上部位,黏土和粉砂两端沉积物很少,表明区内水动力条件整体较弱。

山东栖霞杨础地区包裹体及稳定同位素地球化学特征及其意义

栖霞杨础地区属于胶辽隆起区,该地区广泛发育太古宙变质深成岩,元古宙变质表壳岩,中生代沉积岩、火山岩、酸性侵入岩以及新生代沉积物,主构造线呈NE向,是主要的控矿构造,其内赋存有众多中小型金矿床。本文通过对该区域内新发现的金及多金属矿化点的矿(化)体的特征及部分矿石的流体包裹体、同位素等特征分析,初步查明了该地区金及多金属矿床成因并建立了成矿模式。

浅谈山水林田湖草沙一体化治理理念——以山东省沂南县书堂村崩塌地质灾害隐患点为例

山东省沂南县书堂村地质灾害隐患由花岗岩中发育球状风化成危岩体,其隐患点地质问题复杂,生态环境严重。本文通过对书堂村环境治理情况进行分析,结合沂蒙山山水林田湖草沙一体化治理理念,以消除地质灾害隐患,达到绿色生态修复目的,更结合景区特殊及当地村民习俗要求为目标,采取加固、清除、修建干砌石墙、鱼鳞坑、外购土方、修建梯田、种植爬墙虎、栗子树等综合生态修复治理方法,达到了保持原有景区景观,新增近1 hm 2梯田交付当地使用的效果。项目实施后不但消除了地质灾害隐患,恢复山体绿色,也打造了当地宜居环境,增加了村民经济收入,收到政府和人民的一致好评,取得了良好的社会效益及经济效益。

企业劳动用工管理问题研究——以山东省L市为例

劳动用工管理是构建和谐劳动关系、促进企业健康发展的坚实基础。规范企业劳动用工管理对提高企业生产效率、促进劳动关系和谐、实现企业经营目标具有重要意义。山东省L市企业劳动用工管理还存在入职程序不完善、薪酬管理不科学、保障体系不健全、离职程序不规范等短板问题。应从规范招聘入职程序、完善劳动规章制度、多措并举促进保障、有理有据办理离职及加强员工民主参与等方面进行劳动用工科学管理,逐步实现劳资共治。