Results 131 to 140 of about 16,776 (217)
沙冬青属(Ammopiptanthus Cheng f.) 隶属豆科(Leguminosae)蝶形花亚科(Papilionaceae)黄华族(Thermosideae),是亚洲荒漠唯一的常绿阔叶灌木,属下有2个种:新疆沙冬青(Ammopiptanthus.nanus)和蒙古沙冬青(Ammopiptanthus.
刘美
core
湿地生态环境需水是指维持湿地生态系统生态平衡和正常发展、保障湿地系统生态水文功能和相关环境功能正常发挥所需的水量,以扎龙国家自然湿地为例,选取植被需水量、土壤需水量、生物栖息地环境需水量及污染物净化需水量为主要指标,估算了扎龙湿地生态环境需水量。按照湿地管理的需要,划分扎龙湿地生态环境需水量为5个级别,其中最小生态环境需水量为24 588×108m3,中等需水量为40 879×108m3,最大需水量为71 934×108m3。
郭跃东 何岩 邓伟 张明祥 章光新
doaj
Fighting Corruption Through Accountability? A Survey Experiment 感覺課責能否抑制貪腐?來自調查實驗的證據
ABSTRACT Democratic Weberian bureaucracy is facing great challenges upholding public values as we see turbulent party politics disrupt merit‐based systems, causing bureaucrats' goal displacement and conflicting compliance under multiple accountability mechanisms.
Ming‐feng Kuo, Hsini Huang
wiley +1 more source
ABSTRACT As the public sector increasingly adopts AI‐powered automated decision systems (ADS), understanding how citizens experience and value ADS use in public decision‐making is both normatively and practically important. Therefore, we examine and compare the effects of seven attributes of public values on citizens' support for ADS adoption in two ...
Guimin Zheng +4 more
wiley +1 more source
Resource Substitution: Local Governments' Issue Attention and Policy Reinvention
ABSTRACT Research on policy reinvention, where a government modifies rather than replicates policy innovations introduced by other governments, has progressed significantly, but how it is influenced by the government's issue attention has not been thoroughly examined.
Yingxin Zhang, Yixue Yao, Kaifeng Yang
wiley +1 more source
ABSTRACT This study explores environmental justice issues in coastal food systems, focusing on conflicts between small‐scale fisheries and the energy sector due to differing goals in managing food and energy sources. It does so by examining the interdependence between institutions, policies, and different types of knowledge; key elements in building ...
Mateus Henrique Amaral +6 more
wiley +1 more source
ABSTRACT Menstrual justice is deeply interconnected with water justice, yet these topics remain largely siloed in policy and research—particularly in Canada, where water access is often assumed to be a non‐issue. However, existing literature reveals that inadequate water and infrastructure significantly affect menstrual hygiene, dignity, and health ...
Emma Cowman +4 more
wiley +1 more source
中国特有种艾比湖沙拐枣(Calligonum ebinuricum)不同生境的土壤特征分析[J]
对中国特有植物艾比湖沙拐枣(Calligonum ebinuricum)生境的土壤特征进行了分析。结果显示,艾比湖沙拐枣生境土壤粒径范围集中在中砂(0.25~0.5 mm)和粗砂(0.5~1.0 mm),为粗砂土;土壤的pH值在7.98~10.24之间,平均值为8.78,整体呈碱性;电导率在0.09~1.41 ms.cm-1之间;总盐含量为0.525~8.400 g.kg-1,有些地段存在盐渍化;阳离子中Ca2+含量最多,阴离子中SO42-含量最多;土壤养分含量很低,有机质含量在0.829~1.190 ...
张永智 +7 more
core
ABSTRACT Digital communication has facilitated freedom of expression in various contexts worldwide. Digitalized communication is a form of expression that has become the norm worldwide despite cybercrime and other challenges. Communication preferences for social media determine attitudes to reporting crime.
Nomsa Ingrid Zikalala
wiley +1 more source
芒苞草(Achanthoclamys bracteata P.C.Kao)是分布于横断山区局部狭小区域的一种单型科植物,在指示植物系统进化和地理环境变迁中具有十分重要的作用和地位.对四川省道孚县鲜水河流域的两个芒苞草分布地点(麦粒山和亚卓山)进行了群落学特征和土壤学研究.芒苞草生境群落类型为温性干旱河谷灌丛和草地,上接亚高山云冷杉针叶林.麦粒山芒苞草生境为毛莲蒿-矮嵩草-芒苞草群落;而亚卓山灌丛草地类型为川滇蔷薇-毛莲蒿-西南野古草-芒苞草群落,亚卓山草地则以西南野古草、直芒草、金发藓等为优势种 ...
吴宁, 朱单, 罗鹏, 王乾
core

