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Abiotic and biotic drivers of species diversity in understory layers of cold temperate coniferous fo
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Abiotic and biotic drivers of species diversity in understory layers of cold temperate coniferous fo
Understory plants are important components of forest ecosystems and play a crucial role in regulating community structur......
本研究以位于山西省右玉县农牧交错带的半干旱草地生态系统为研究对象,探究短期内不同水平的氮添加对半干旱草地生态系统CO2交换的......
广聚萤叶甲Ophraella communa LeSage是入侵恶性豚草的天敌。参照前人对叶甲类半人工饲料的研究配方,采用19因子混水平正交试验L32(4......
本文研究了东山湾翡翠贻贝的繁殖期,附苗期及海区半人工采苗技术。结果表明:东山湾翡翠贻贝的繁殖期在5-10月,其5-6月为繁殖盛期。贻贝附苗季......
Abstract Water was a key factor restricting the plantation in sandy areas. Foliar δ^13C value regarded as an indicator ......