Water Conservation Function of Artificial Forests in Kubuqi Desert [PDF]
, 2023 [Objective] Research was conducted on understory litter and soil hydrological function for artificial forests in the forest protection station in the eastern section of the Kubuqi Desert.
Chen Hongwei +7 more
core +1 more source
Water-holding Capacity of Reclaimed Grassland with Different Ages in Karst Regions [PDF]
, 2023 [Objective] The water-holding capacity of reclaimed grassland of different ages was studied in order to provide a scientific basis for water retention and soil and water conservation of reclaimed grassland in karst regions.
Li Xuemei +3 more
core +1 more source
Ecological Service Function Evaluation of Urban Greening Shrubs in Guanzhong Region, Shaanxi Province [PDF]
, 2023 [Objective] The landscapes and ecological service functions were comprehensively evaluated in order to provide scientific guidance for the selection of urban greening shrub species. [Methods] Several indexes including landscape service functions (such as
Gai Shuaizi +5 more
core +1 more source
Analysis on Stoichiometric Characteristics of a Populus Alba L. var Pyramidalis Protective Forest in Alar Reclamation Area [PDF]
, 2022 [Objective] The contents of C, N, P, and their ecological stoichiometry characteristic contained in foliage, branches, litter, and soil of different age grades of Populus alba L.
Ge Tingjin +5 more
core +1 more source
Effects of Winter Irrigation on Soil Water-heat-salt Migration and Crop Growth During Freezing-Thawing Period in Qingtongxia Irrigation District of Ningxia [PDF]
, 2023 [Objective] The effects of winter irrigation on soil water-heat-salt migration and crop growth during the freezing-thawing period were analyzed in order to provide a scientific basis for controlling soil salinization, and to ensure food security ...
Han Yuping +4 more
core +1 more source
Shuitu Baochi Xuebao, 2023 黄河流域具有多类别的泥沙来源区,水沙异源特性突出,研究水土保持综合治理空间均衡性,对于优化水土保持空间布局和有效持续减少入黄泥沙极为必要。基于黄河泥沙来源区特征和水土保持综合治理现状分析,利用统计学理论与方法,研究水土保持综合治理空间均衡性的概念、评价原理和评价方法,并对治理现状的均衡性进行评价。结果表明:(1)与流域水土流失强度空间分异性相对应、且在一定程度上能够有效控制侵蚀产沙强度的治理是空间治理均衡性的基本体现,其治理程度可以利用治理效应定量反映;(2)不同治理程度的减沙作用不同的 ...
姚文艺, 焦鹏
doaj
Zhejiang Daxue xuebao. Lixue ban, 2011 通过建立时间序列模型，对ADHD儿童与正常儿童的听觉持续性注意水平进行拟合，并分析2组被试间的差异，动态地观测ADHD儿童的注意缺陷水平，并实现对ADHD儿童注意水平的预测.被试选取ADHD儿童30名, 正常儿童10名，对被试进行听觉持续性操作测试，对每个序列的平均正确率进行时间序列模型分析，比较2组被试间的差异.根据数据的特征选用Holt模型对ADHD儿童的持续性注意水平进行建模及拟合，而正常儿童组则选用简单模型(Simple).与正常儿童相比，ADHD儿童存在显著的注意缺陷特征 ...
LIUSi-yan(刘斯彦) +2 more
doaj +1 more source
Shuitu Baochi Xuebao, 2021 为了研究中国西南水梯田的土壤水分特性，以云南哈尼梯田为例，选取哈尼梯田核心区全福庄小流域内林地、荒草地、旱地和水田4种土地利用类型，分层取0—10，10—20，20—40，40—60，60—80，80—100 cm深度土样测其主要土壤理化指标和土壤水分特征曲线，分析其土壤的持水性和水分有效性。结果表明：（1）哈尼梯田4种不同土地利用类型土壤容重变化范围为0.61~1.41 g/cm3，且0—40 cm与40—100 cm差异性显著，土壤有机质含量为1.17%~9.65 ...
李源, 宋维峰, 马建刚
doaj
До питання щодо становлення аквакультури в умовах органічного виробництва України [PDF]
, 2020 Особливості становлення аквакультури в умовах органічного ...
Овдіюк, В. М. +1 more
core
Accumulation Characteristics and Hydrological Effects of Litter in Mixed Robinia pseudoacacia Plantations [PDF]
[Objective] Studying the accumulation characteristics and hydrological effects of typical mixed Robinia pseudoacacia plantations is crucial for deeply investigating the water conservation capacity of artificial forests on the Loess Plateau.
CAO Zetao +5 more
core +1 more source