Results 11 to 20 of about 630 (102)

东北黑土区土壤侵蚀研究进展与展望

open access: yesShuitu Baochi Xuebao, 2022
东北黑土区是我国重要的商品粮生产基地,强烈水土流失导致的黑土厚度下降及土壤质量退化,直接威胁国家粮食安全。系统分析黑土区土壤侵蚀研究成果,对阻控黑土退化、维持土地生产力、保障国家粮食安全具有重要意义,论述了黑土区土壤侵蚀环境与侵蚀环境效应、土壤侵蚀过程与机理、土壤侵蚀时空变化和未来研究展望。多营力复合、缓坡长坡是黑土区独特的侵蚀环境,黑土厚度下降与坡耕地土壤质量退化是该区最典型的侵蚀环境效应。细沟间、细沟、浅沟、切沟及冻融侵蚀发育的动力机制与主控因素差异明显 ...
张光辉, 杨扬, 刘瑛娜, 王志强
doaj  

Passing on the red genes: Communism nostalgia in online fictions and ideological governance in China

open access: yesRegulation &Governance, Volume 20, Issue 1, Page 119-133, January 2026.
Abstract How does communism as an ideology fare in the post‐reform digital age China? What are the implications for China's ideological governance? Through online ethnographic work and text analysis, this paper identifies and analyzes how communism as an ideation and a practice is (re)memorized, (re)presented, and (re)interpreted in popular online ...
Rongbin Han
wiley   +1 more source

Promoting Conservation and Coexistence: The Case of Blackbucks (Antilope cervicapra L.) and the Bishnoi Community in Abohar, Punjab, India 促进保育与共存:以印度旁遮普邦阿博哈尔的黑羚 (Antilope cervicapra L.) 和比什诺伊社区为例

open access: yesIntegrative Conservation, Volume 4, Issue 3, Page 393-404, September 2025.
We studied the challenges in human‐wildlife coexistence in Abohar wildlife sanctuary and the surrounding landscape in Punjab, India. We found that the local people's unique intrinsic motivation for conservation and the traditional approaches to conservation are no longer sufficient.
Geethanjali Mariaselvam   +5 more
wiley   +1 more source

Mythogeographies of anthropological knowledge: writing over the lines and footsteps of history in Southwest China

open access: yesJournal of the Royal Anthropological Institute, Volume 31, Issue 3, Page 808-829, September 2025.
In this article, I delve into the field diary of Ma Changshou – a major Chinese ethnohistorian and social anthropologist active between the 1930s and 1960s – to show how his journeys through Liangshan, a mountainous land in Southwest China inhabited by the Nuosu‐Yi, led to a new kind of anthropological knowledge.
Jan Karlach
wiley   +1 more source

The Primate Name Yòu (狖) and Its Referents: Implications for the Future Conservation of François' Langurs in China 灵长类动物名称“狖”及其指代对象再钩沉: 对中国黑叶猴 (Trachypithecus francoisi) 未来保护的启迪

open access: yesIntegrative Conservation, Volume 4, Issue 2, Page 246-253, June 2025.
After the great Chinese poet Qu Yuan (屈原) was exiled to Xupu (溆浦) county in Hu' nan province, he described the forest there as follows: “mysterious is the deep forest, the place where Yuán yòu dwell (深林杳以冥冥兮,乃猿狖之所居).” What is the referent of the name Yuán yòu in this sentence?
Kefeng Niu
wiley   +1 more source

长期化肥有机替代对黑土颜色及腐殖物质的影响

open access: yesShuitu Baochi Xuebao, 2023
基于30年长期定位试验,通过测定黑土光谱反射率和不同腐殖质组分含量,探究了不同施肥对黑土土壤腐殖质含量、土壤颜色及二者之间的关系。试验设置5个处理:(1)休耕(Fallow);(2)不施肥处理(CK);(3)单施化肥(NPK);(4)有机肥部分替代化肥(NPKM);(5)秸秆部分替代化肥处理(NPKS)。结果表明:与NPK处理相比,Fallow、NPKS、NPKM分别显著提高49.7%,74.3%,27.0%的土壤有机碳含量(pNPKS>NPKM,与CK处理相比,NPK土壤光谱反射率在平均提高6.5 ...
高纪超   +8 more
doaj  

Plant–microbe interactions drive the rhizosphere microbial assembly and nitrogen cycling in a subtropical forest

open access: yesFunctional 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

吉林省主要耕作土壤中钾的固定与释放

open access: yesShuitu Baochi Xuebao, 2002
通过X—射线衍射、室内模拟实验及常规分析研究了吉林省主要耕作土壤中钾的固定与释放。结果表明,土壤对钾的固定与释放与土壤的矿物组成有关,3种土壤的固钾量均随钾加入量的增加而增大,而固钾率则随施钾量的增加而逐渐下降。随钾加入量的增加,固钾量和固钾率均有黑土>白浆土>黑钙土的趋势。土壤释钾量有黑钙土>黑土>白浆土的趋势。相关分析表明,蒙脱石、蛭石为主要的固钾矿物,而伊利石为主要的释钾矿物。
刘淑霞 赵明东 等
doaj   +2 more sources

“We are adapting to it because it is within us”: The co‐becoming of COVID‐19 in Malawi

open access: yesWorld Medical &Health Policy, Volume 16, Issue 3, Page 295-315, September 2024.
Abstract Using a case study design, this research explores the Coronavirus 2019 disease (COVID‐19) pandemic from the perspectives and worldviews of Malawians (Black/African knowledge) through the Bawaka Yolŋu ontology of co‐becoming (Black/Indigenous knowledge).
Chúk Odenigbo   +3 more
wiley   +1 more source

马尾松采伐迹地火烧黑炭对土壤营养元素含量的短期影响

open access: yesShuitu Baochi Xuebao, 2019
以中亚热带33年生马尾松人工林采伐迹地为研究对象,分析了炼山1年后移除黑炭(B0)、单倍黑炭(B1)、双倍黑炭(B2)处理和未炼山对照(UB)土壤可提取态常量(P、K、Ca、Na、Mg)和微量(Al、Fe、Mn、Cu、Zn)元素含量及其比值的变化特征。结果表明:(1)黑炭输入量对土壤常量元素的影响因土层而异,在0-10 cm土层,B2土壤K、Ca和Mg含量显著高于B0土壤(P0.05)。在0-10,10-20 cm土层,B2土壤速效P含量均显著高于UB土壤(P0.05);(2 ...
杜大俊   +6 more
doaj  

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