Results 31 to 40 of about 172 (121)
China's Eco‐Civilisation, Climate Leviathan, and Hobbesian Energy Transition
Antipode, Volume 57, Issue 3, Page 830-861, May 2025.Abstract Scholars have hitherto tended to theorise China's ecological civilisation project either as a form of environmental authoritarianism or as a vision of eco‐socialism. This paper contributes to the conversation by conducting a textual analysis of Chinese scholarly discussions on eco‐civilisation.
David Chen
wiley +1 more source
An Inexact System Programming for Agricultural Land Utilization Based on Control of Non-point Source Pollution in Wuchuan Catchment [PDF]
, 2006 以福建省九龙江西溪五川流域为例,借助区间数系统优化模型和AGNPS模拟模型,对现有农业生产土地利用方式和管理措施性土地利用方式进行了系统分析,探讨通过土地利用的调整,实现低成本控制农业面源污染的最佳途径。结果表明,五川流域目前的土地利用模式不能满足面源污染控制和经济效益最大化的共同要求,其农业生产习惯和面源污染控制措施也需要适当调整。总体上现有土地利用的经济收益低于最佳土地利用优化的下限收益,环境效益一般的坡草地、香蕉地、果园、菜地和村庄用地所占比例过多。农业面源污染控制性措施的用地规划不够 ...
刘建昌 +3 more
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Review of Policy Research, Volume 42, Issue 2, Page 393-422, March 2025.Abstract Resolving policy potential disparities and coordinating among multiple stakeholders are essential components of effective policy implementation. Nevertheless, there has been limited scholarly attention to the causes and remedies for grassroots implementation challenges, particularly through the lens of new collective action theory and the ...
Chen Ran +3 more
wiley +1 more source
Implementation of scientific approaches in a soil conservation agriculture and an agrarian policy for north-eastern Chinese chernozems fertility reproduction [PDF]
The history of a Chinese conservation agriculture formation was observed. There also was highlighted an agrarian policy of the Chinese government to conserve the chernozem’s fertility. Chinese chernozems properties changes under: conservation and contour
Kravchenko, Y.
core +1 more source
Shuitu Baochi Xuebao, 2008 采用静态箱—气相色谱法对保护性耕作和常规耕作小麦田的N_2O排放进行了原位测量,测量了土壤温度、水分、无机氮等相关影响因子。结果表明:(1)保护性耕作及常规耕作麦田N_2O的排放具有明显的季节性变化规律,各处理变化趋势较为一致。(2)N_2O的平均排放通量和季节排放量,除免耕秸秆还田外,保护性耕作与常规耕作差异显著。(3)在小麦生长季内,保护性耕作农田均表现为N_2O的排放源。(4)各处理N_2O季节排放量大小顺序为:耙耕秸秆还田(1.64 kg/hm~2)>旋耕秸秆还田(1.59 kg/hm~2 ...
赵建波 +7 more
doaj
Integrative Conservation, Volume 3, Issue 4, Page 312-329, December 2024.Biosphere reserves aim to protect global biodiversity alongside social and economic development. In the Cape Floristic Region, biosphere reserves are an effective conservation approach to protect arthropods against habitat transformation in this biodiverse region.
Michael J. Samways +3 more
wiley +1 more source
Shuitu Baochi Xuebao, 2006 大田试验研究了保护性耕作对土壤微生物量、活跃微生物量、土壤呼吸、呼吸商、土壤酶的影响。结果表明，秸秆还田能够显著提高土壤微生物量碳和活跃微生物量，深松耕还田能显著提高土壤活跃微生物量。随耕作作业之后时间的推迟，活跃生物量减小。秸秆还田初期（小麦越冬期）能显著提高土壤呼吸作用，提高99．7％；后期（小麦播种期）能显著降低土壤呼吸，降低16．6％。随耕作作业之后时间的推迟，秸秆还田和保护性耕作都会减少农田向大气中CO2的排放，减少土壤碳库的亏损。深松耕还田显著提高土壤脲酶、蔗糖酶活性 ...
王芸 +7 more
doaj +2 more sources
Prevention and Control of Agricultural Non-Point Source Pollutions in UK and Suggestions to China [PDF]
, 2016 Currently, the world is facing challenges of maintaining food production growth while improving agricultural ecological environmental quality. The prevention and control of agricultural non-point source pollution, a key component of these challenges, is ...
Bellarby, Jessica +5 more
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Simulation on Soil Carbon, Nitrogen Cycles and Output Characteristics at Banana Fields, Southeast China [PDF]
, 2011 土壤C、N循环是农业生态系统最基本的生态过程，了解土壤C、N循环是研究陆地生态系统C、N循环的重要前提。本文以南靖县五川流域的一个小流域为研究区域，选取施肥量高、面积大的种植香蕉土地利用类型为例，采取模型模拟的方法，应用NCSWAP模型模拟了较长时间尺度下(1998~2007年)土壤C、N各种循环过程及输出特征，对可能影响C、N循环的管理措施因素进行情景模拟分析，最后对农业生产和管理环节提出建设性的措施，取得了如下研究成果： (1)对种植香蕉土壤的NO3--N和SOC含量季节性变化进行了验证 ...
黄虹
core
Shuitu Baochi Xuebao, 2022 为探究长期秸秆覆盖免耕对黑土坡耕地土壤结构的影响以及水土保持效应,通过秸秆覆盖免耕(NT)和传统顺坡耕作(CT)2组长期定位田间试验,对土壤结构、土壤保水能力、保土效应作对比分析。结果表明:NT与CT相应性状比较,土壤容重没有显著增加(P＞0.05),在0—20 cm土层,虽总孔隙度和非毛管孔隙度低,但增加了土壤毛管孔隙度和水稳性大团聚体(WR0.25)含量,WR0.25含量和平均重量直径(MWD)差异均达到显著水平(P＜0.05);分别提高了垄台土壤初始入渗和稳定入渗速率28.8%,24.7%;0 ...
张兴义 +4 more
doaj +2 more sources