Results 21 to 30 of about 447 (144)
Shuitu Baochi Xuebao, 2004 分析了黑土腐殖质、黑土母质、黑土区气候、地貌、植被及人类开垦等活动与黑土侵蚀之间的关系，指出了黑土区农业开垦与耕作是导致黑土流失的主要原因，同时，在人类干预条件下，某些自然因素对黑土加速侵蚀的影响就会明显地凸现出来。实际上，黑土区独特的自然环境与人类活动方式已经使其成为目前中国土壤侵蚀潜在危险性最大的地区之一。目前，黑土流失速度相当快．不少地区已经出现了成土母质露于地表的现象，土壤侵蚀严重。如果我们现在还不能正确认识黑土地治理的紧迫性，黑土区很快就将变为名副其实的“不毛之地”了。
范昊明 蔡强国 王红闪
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Temporal and Spatial Patterns of Wind Erosion Climate Indices and Their Responses to Atmospheric and Oceanic Circulation Patterns in the Chinese Mollisol Region over the Past 61 Years [PDF]
[Objective] A study on the spatial and temporal patterns of wind erosion climate indices and their responses to atmospheric and oceanic circulation patterns in the Chinese Mollisol region is of great significance for the early warning and prevention of ...
FU Jinxia +6 more
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Spatiotemporal Differentiation and Driving Factors of Green Efficiency of Agricultural Water Use in China [PDF]
, 2023 [Objective] The spatiotemporal differentiation and evolution characteristics of the green efficiency of agricultural water use in China and the current status of Chinese agricultural development were analyzed in order to further promote high-quality ...
Cao Jian, Liu Shixiang
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Monitoring of Cultivated Land Quality Grade Changes Based on Spatiotemporal Scanning Statistics [PDF]
, 2023 [Objective] The spatiotemporal variation and distribution of cultivated land quality at Minhou County, Fujian Province over many years were analyzed in order to provide new ideas and new help for the study of spatiotemporal pattern evolution of ...
Chen Hanyue +6 more
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Response of Runoff and Sediment Yield from Maize Slope Farmland in Karst Areas to Slope Gradient [PDF]
[Objective] To elucidate the responses of surface runoff, subsurface runoff, and underground runoff hydrological pathways to slope in maize sloping farmland in Karst regions.
DAI Quanhou +4 more
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Integrative 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
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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
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“We are adapting to it because it is within us”: The co‐becoming of COVID‐19 in Malawi
World 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
Determination of 34 Elements in Ground Substrate of Black Soil by ICP-MS/OES with Alkali Melting Digestion [PDF]
The organic matter content in black soil samples is high, typically ranging from 3% to 10%. Traditional pretreatment methods such as open acid dissolution digestion, microwave acid dissolution and digestion, high-pressure closed acid dissolution and ...
Bing LU +5 more
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Shuitu Baochi Xuebao, 2023 东北黑土带是我国重要的商品粮生产基地,土壤质量退化、水土流失等问题直接影响生态与粮食供给安全,为明晰东北黑土带土地利用变化特征及评价生态敏感性,以2000年、2005年、2010年、2015年、2020年东北黑土带5期土地利用数据为基础,采用转移矩阵、地理探测器、综合生态风险评价等方法,研究景观格局及生态风险变化趋势。结果表明:(1)2000-2020年,研究区未利用地面积增加1 035.7km2,水域面积减少975.8 km2,土地利用变化最明显,耕地是阶段性变化较为剧烈的土地利用方式;(2 ...
晋一然 +4 more
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