Results 31 to 40 of about 972 (153)
, 2009 生物地理学研究是生物学和地理学交叉非常明显的部门自然地理学学科,它具有很强的基础研究特点,同时研究成果也具有很大的应用潜力。近年来,我国生物地理学基础研究在国家自然科学基金委等部门的支持下,在山地植被与地理环境、干旱半干旱区植被与地理环境、植物区系、植物物候、土壤动物与土壤生态功能、土壤生物结皮等方面开展了全面而深入的研究。同时拓展了传统生物地理学的研究方向,在植物地理学与全球变化、植物地理学与生物多样性保护、植物地理学与生态系统管理等方面也开展了大量研究。尤为可贵的是干旱半干旱区土壤生物结皮研究 ...
冷疏影 +8 more
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Ecological Solutions and Evidence, Volume 6, Issue 3, July–September 2025.Urban agriculture is in an intermediate state between traditional urban green spaces and conventional rural farms in terms of environmental impacts, so that its contribution to urban sustainability requires complementarity with other green spaces. Abstract As cities expand, they encroach on agricultural land, impacting food production and natural ...
Zeyu Li +8 more
wiley +1 more source
Functional Ecology, Volume 39, Issue 6, Page 1550-1566, June 2025.Read the free Plain Language Summary for this article on the Journal blog. Abstract Forests store substantial amounts of soil organic carbon (SOC), but SOC stocks differ strongly between forest ecosystems dominated by arbuscular mycorrhizal (AM) or ectomycorrhizal (EcM) fungi.
Mengxu Zhang +10 more
wiley +1 more source
Crop Morphogenesis and Solutions Under Heavy Metal Pollution [PDF]
, 2016 在重金属污染愈发严重的背景下,探索出保障污染地区的农业生产水平可持续发展的技术,是保障粮食生产安全亟需解决的重要问题.通过综述农作物对重金属胁迫的形态建成响应机制与实践中的农艺管理技术手段,总结在重金属污染区域提高粮食产量的主要方法.重金属影响下的作物形态建成具有深刻的遗传基础和复杂的生理机制,这就决定了作物对重金属的响应受到作物类型与重金属种类的影响.通过对作物形态建成的更深入研究,建立一套从品种选择到田间管理的应对措施,可以为农业安全生产提供持久有效的保障.In consideration of ...
严重玲 +4 more
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Functional Ecology, Volume 39, Issue 5, Page 1274-1287, May 2025.Read the free Plain Language Summary for this article on the Journal blog. Abstract Interactions between plants and soil microorganisms in the rhizosphere are vital for maintaining the nutrient cycle and stability of terrestrial ecosystems. Nitrogen, closely related to carbon (C) cycling and ecosystem productivity, undergoes transformation by soil ...
Ru Wang +9 more
wiley +1 more source
Functional Ecology, Volume 39, Issue 4, Page 1096-1111, April 2025.Read the free Plain Language Summary for this article on the Journal blog. Abstract Many invasive plant species have demonstrated a better ability to tolerate and accumulate heavy metals than their co‐occurring native plants. Given the potential biological toxicity of heavy metals to phytopathogens, we postulated that heavy metal contamination could ...
Tiantian Lin +7 more
wiley +1 more source
Functional Ecology, Volume 39, Issue 2, Page 621-634, February 2025.Read the free Plain Language Summary for this article on the Journal blog. Abstract Tropical forests are generally characterized by high species diversity and low soil phosphorus (P) availability. Although tropical plants have evolved adaptations to low soil P availability, we know relatively little about the strategies of different groups of species ...
Yingxu Fan +11 more
wiley +1 more source
Environmental Economic Analysis in the Application of Chemical Fertilizer [PDF]
, 2009 本文通过对化肥使用的收益成本分析及其对环境造成的影响,利用二次生产函数模型,以洞庭湖区农民的化肥投入为案例,分别考虑粮食产量最大、农民经济收益最大和净经济效益最大3种情况的化肥投入量,进而提出化肥控制和管理对策的最佳管理措施建议。This article study on the cost-effectiveness analysis and the environmental impact of chemical fertilizer,using secondary production ...
张云芳, 曹文志
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Characteristics of nitrogen and phosphorus losses with surface runoff in typical sub-watersheds of Jiulong River watershed. [PDF]
, 2004 选取九龙江流域5个典型汇水区,通过流域主要雨季天然降雨径流过程监测,对所获得的氮磷营养盐的监测数据进行归纳与分析,着重探讨了暴雨事件下径流氮磷流失及其形态的变化规律。结果表明:暴雨事件下农业汇水区地表径流氮输出以水溶态为主,磷以泥沙结合态为主,天然林地为主的汇水区则相反,前者以泥沙结合态为主,后者以水溶态为主;5个汇水区暴雨事件中总氮最高浓度值为日常采样浓度值的2.9～11.3倍,暴雨事件中总磷最高浓度值为日常采样浓度值的2.9～20.5倍;氮磷输出量均值的差异反映氮磷输出量大小受土壤质地、施肥量 ...
张珞平 +5 more
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