[1]宣立辉,康凡,谷建才,等.冀北地区典型林分枯落物层与土壤层的水文效应[J].水土保持研究,2018,25(04):86-91.
　XUAN Lihui,KANG FAN,GU Jiancai,et al.Hydrological Effects of Litter and Soil Layers in Typical Stands of North Hebei[J].Research of Soil and Water Conservation,2018,25(04):86-91.
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冀北地区典型林分枯落物层与土壤层的水文效应

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 25 期数: 2018年04期 页码: 86-91 栏目: 出版日期: 2018-06-13
Title:
Hydrological Effects of Litter and Soil Layers in Typical Stands of North Hebei
作者:
宣立辉1, 康凡2, 谷建才1, 黄冬梅3
1. 河北农业大学 林学院, 河北 保定 071000;
2. 廊坊泽通林业公司, 河北 廊坊 065000;
3. 河北农业大学 理学院, 河北 保定 071000
Author(s):
XUAN Lihui1, KANG FAN2, GU Jiancai1, HUANG Dongmei3
1. College of Forestry, Hebei Agricultural University, Baoding, Hebei 071000, China;
2. Zetong Forestry Company of Langfang, Langfang, Hebei 065000, China;
3. College of Science, Hebei Agricultural University, Baoding, Hebei 071000, China
关键词:
冀北地区; 小坝子乡; 枯落物; 土壤; 水文效应
Keywords:
north Hebei; Xiaobazi Township; litter; soil; hydrological effect
分类号:
S715
摘要:
以丰宁县4种典型林分为研究对象，主要采用室内浸水法和环刀浸泡法，进行了枯落物的持水量、吸水速度以及土壤物理性质等的测定，并对其水文效应进行了研究。结果显示：枯落物的总蓄积在9.58~11.50 t/hm2，蓄积量大小排序为：杨树针阔混交林 > 杂木林 > 杨树阔叶混交林 > 榆树阔叶混交林；杨树阔叶混交林的最大持水量最大为14.56 t/hm2，其最大持水率最大为295.46%。土壤的平均容重0.77~0.98 g/cm3，其大小顺序为：杨树针阔混交林 > 杂木林 > 杨树阔叶混交林 > 榆树阔叶混交林；土壤总孔隙度48.98%~56.72%，其中最大为杨树阔叶混交林，最小为杂木林；土壤最大持水量在623.67~726.33 t/hm2，其中最大持水量的最大值是最小值的1.16倍。土壤初渗速率其变动范围在23.95~28.12 mm/min，其中杨树针阔混交林土壤初渗速率最大为：28.12 mm/min，榆树阔叶混交林的土壤初渗速率最小为：23.95 mm/min。
Abstract:
Four kinds of typical forests in Fengning County were taken as the research objects, indoor immersion method and ring knife immersion method were adopted to determine the water holding capacity, water absorption rate and soil physical properties of litter, and the hydrological effect was studied. The results showed that the total accumulation of litter was 9.58~11.50 t/hm2, the volumes decreased in the order: poplar theropencedrymion > shaw > poplar broad-leaved mixed forest > elm broad-leaved mixed forest; the maximum water holding capacity of poplar broad-leaved mixed forest was 14.56 t/hm2, and the maximum water holding rate was 295.46%; the average soil bulk densities were between 0.77~0.98 g/cm3; the densities decreased in the order: poplar theropencedrymion > shaw > poplar broad-leaved mixed forest>elm broad-leaved mixed forest; the total soil porosity was 48.98%~56.72%, the largest was found in the poplar broad-leaved mixed forest, the minimum was observed in shaw; the maximum soil water holding capacity was 623.67~726.33 t/hm2, and the maximum water holding capacity of maximum value was 1.16 times as much as that of the minimum. The initial infiltration rate of soil varied from 23.95 mm/min to 28.12 mm/min. The initial infiltration rate in poplar theropencedrymion was 28.12 mm/min, and the initial infiltration rate in elm broad-leaved mixed forest was minimum, it was 23.95 mm/min.

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备注/Memo

收稿日期:2017-09-02;改回日期:2017-09-15。
基金项目:国家重点研发计划课题“坝上高原及华北北部山地沙化土地治理与沙产业技术研发及示范”（2016YFC0500802）
作者简介:宣立辉(1991-),女,河北玉田人,在读硕士,研究方向为森林可持续经营。E-mail:1548896002@qq.com
通讯作者:黄冬梅(1963-),女,河北南皮人,硕士,教授,主要从事森林资源资产评估研究。E-mail:huanghdm@qq.com;谷建才(1963-),男,河北藁城人,博士,教授,主要从事森林可持续经营、森林资源资产评估研究。E-mail:gujiancai@126.com

更新日期/Last Update: 1900-01-01